chwan1
6 years ago
parent
7d829c63cc
commit
43a7dff3c8
763 changed files with 142 additions and 61745 deletions
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#ifndef __COLOR_CONVERT__ |
|
||||||
#define __COLOR_CONVERT__ |
|
||||||
|
|
||||||
float3 rgb2hsv(float3 c) |
|
||||||
{ |
|
||||||
float4 K = float4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0); |
|
||||||
float4 p = lerp(float4(c.bg, K.wz), float4(c.gb, K.xy), step(c.b, c.g)); |
|
||||||
float4 q = lerp(float4(p.xyw, c.r), float4(c.r, p.yzx), step(p.x, c.r)); |
|
||||||
|
|
||||||
float d = q.x - min(q.w, q.y); |
|
||||||
float e = 1.0e-10; |
|
||||||
return float3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x); |
|
||||||
} |
|
||||||
|
|
||||||
float3 rgb2hsv(float r, float g, float b) { return rgb2hsv(float3(r, g, b)); } |
|
||||||
|
|
||||||
float3 hsv2rgb(float3 c) |
|
||||||
{ |
|
||||||
float4 K = float4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0); |
|
||||||
float3 p = abs(frac(c.xxx + K.xyz) * 6.0 - K.www); |
|
||||||
return c.z * lerp(K.xxx, saturate(p - K.xxx), c.y); |
|
||||||
} |
|
||||||
|
|
||||||
float3 hsv2rgb(float h, float s, float v) { return hsv2rgb(float3(h, s, v)); } |
|
||||||
|
|
||||||
float3 rgb2yuv(float3 c) |
|
||||||
{ |
|
||||||
float Y = 0.2989 * c.r + 0.5866 * c.g + 0.1145 * c.b; |
|
||||||
float Cr = -0.169 * c.r - 0.331 * c.g + 0.5 * c.b + 0.5; |
|
||||||
float Cb = 0.5 * c.r - 0.419 * c.g - 0.081 * c.b + 0.5; |
|
||||||
return float3(Y, Cr, Cb); |
|
||||||
} |
|
||||||
|
|
||||||
float3 yuv2rgb(float3 c) |
|
||||||
{ |
|
||||||
float R = c.x + 1.13983 * (c.z - 0.5); |
|
||||||
float G = c.x - 0.39465 * (c.y - 0.5) - 0.5806 * (c.z - 0.5); |
|
||||||
float B = c.x + 2.03211 * (c.y - 0.5); |
|
||||||
return float3(R, G, B); |
|
||||||
} |
|
||||||
|
|
||||||
|
|
||||||
|
|
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#endif // __COLOR_CONVERT__ |
|
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@ -1,17 +0,0 @@ |
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#ifndef __ULTRACOMBOS_DEFINES__ |
|
||||||
#define __ULTRACOMBOS_DEFINES__ |
|
||||||
|
|
||||||
#define WORK_GROUP_SIZE 512 |
|
||||||
|
|
||||||
struct Particle |
|
||||||
{ |
|
||||||
float3 position; |
|
||||||
float seed; |
|
||||||
float4 color; |
|
||||||
float3 velocity; |
|
||||||
float life; |
|
||||||
float4 quat; |
|
||||||
float4x4 model_matrix; |
|
||||||
}; |
|
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|
|
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#endif // __ULTRACOMBOS_DEFINES__ |
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@ -1,231 +0,0 @@ |
|||||||
#ifndef __MATH__ |
|
||||||
#define __MATH__ |
|
||||||
|
|
||||||
#define FLT_EPSILON 1.192092896e-07 |
|
||||||
|
|
||||||
float ofMap(float value, float inputMin, float inputMax, float outputMin, float outputMax, int bClamp) |
|
||||||
{ |
|
||||||
if (abs(inputMin - inputMax) < FLT_EPSILON) { |
|
||||||
return outputMin; |
|
||||||
} |
|
||||||
else { |
|
||||||
float outVal = ((value - inputMin) / (inputMax - inputMin) * (outputMax - outputMin) + outputMin); |
|
||||||
if (bClamp > 0) { |
|
||||||
if (outputMax < outputMin) { |
|
||||||
if (outVal < outputMax) outVal = outputMax; |
|
||||||
else if (outVal > outputMin) outVal = outputMin; |
|
||||||
} |
|
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else { |
|
||||||
if (outVal > outputMax) outVal = outputMax; |
|
||||||
else if (outVal < outputMin) outVal = outputMin; |
|
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} |
|
||||||
} |
|
||||||
return outVal; |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
float2 ofMap(float2 value, float2 inputMin, float2 inputMax, float2 outputMin, float2 outputMax, int bClamp) |
|
||||||
{ |
|
||||||
float x = ofMap(value.x, inputMin.x, inputMax.x, outputMin.x, outputMax.x, bClamp); |
|
||||||
float y = ofMap(value.y, inputMin.y, inputMax.y, outputMin.y, outputMax.y, bClamp); |
|
||||||
return float2(x, y); |
|
||||||
} |
|
||||||
|
|
||||||
float3 ofMap(float3 value, float3 inputMin, float3 inputMax, float3 outputMin, float3 outputMax, int bClamp) |
|
||||||
{ |
|
||||||
float x = ofMap(value.x, inputMin.x, inputMax.x, outputMin.x, outputMax.x, bClamp); |
|
||||||
float y = ofMap(value.y, inputMin.y, inputMax.y, outputMin.y, outputMax.y, bClamp); |
|
||||||
float z = ofMap(value.z, inputMin.z, inputMax.z, outputMin.z, outputMax.z, bClamp); |
|
||||||
return float3(x, y, z); |
|
||||||
} |
|
||||||
|
|
||||||
float2x2 RotationMatrix(float a) |
|
||||||
{ |
|
||||||
float2x2 rot = { cos(a), -sin(a), sin(a), cos(a) }; |
|
||||||
return rot; |
|
||||||
} |
|
||||||
|
|
||||||
// implement from Rodrigues rotation formula |
|
||||||
float3x3 RotationMatrix(float3 from, float3 to) |
|
||||||
{ |
|
||||||
float3 a = normalize(from); |
|
||||||
float3 b = normalize(to); |
|
||||||
float3 v = cross(a, b); |
|
||||||
float s = length(v); |
|
||||||
float c = dot(a, b); |
|
||||||
float3x3 W = { 0, -v.z, v.y, v.z, 0, -v.x, -v.y, v.x, 0 }; |
|
||||||
float3x3 I = { 1, 0, 0, 0, 1, 0, 0, 0, 1 }; |
|
||||||
float3x3 R = I + W * s + W * W * (1.0f - c); |
|
||||||
//float theta = acos( dot(a, b) ); |
|
||||||
//float3x3 R = I + W * sin(theta) + W * W * (1.0f - cos(theta)); |
|
||||||
return R; |
|
||||||
} |
|
||||||
|
|
||||||
float Rand(float2 co) |
|
||||||
{ |
|
||||||
return frac(sin(dot(co.xy, float2(12.9898, 78.233))) * 43758.5453); |
|
||||||
} |
|
||||||
|
|
||||||
float4 MakeQuaternion(float pitch, float roll, float yaw) |
|
||||||
{ |
|
||||||
float4 q; |
|
||||||
float t0 = cos(yaw * 0.5f); |
|
||||||
float t1 = sin(yaw * 0.5f); |
|
||||||
float t2 = cos(roll * 0.5f); |
|
||||||
float t3 = sin(roll * 0.5f); |
|
||||||
float t4 = cos(pitch * 0.5f); |
|
||||||
float t5 = sin(pitch * 0.5f); |
|
||||||
|
|
||||||
q.w = t0 * t2 * t4 + t1 * t3 * t5; |
|
||||||
q.x = t0 * t3 * t4 - t1 * t2 * t5; |
|
||||||
q.y = t0 * t2 * t5 + t1 * t3 * t4; |
|
||||||
q.z = t1 * t2 * t4 - t0 * t3 * t5; |
|
||||||
return q; |
|
||||||
} |
|
||||||
|
|
||||||
// Quaternion |
|
||||||
|
|
||||||
float4 quat_from_axis_angle(float3 axis, float angle) |
|
||||||
{ |
|
||||||
float4 qr; |
|
||||||
float half_angle = (angle * 0.5);// *3.14159 / 180.0; |
|
||||||
qr.x = axis.x * sin(half_angle); |
|
||||||
qr.y = axis.y * sin(half_angle); |
|
||||||
qr.z = axis.z * sin(half_angle); |
|
||||||
qr.w = cos(half_angle); |
|
||||||
return qr; |
|
||||||
} |
|
||||||
|
|
||||||
float4 quat_conj(float4 q) |
|
||||||
{ |
|
||||||
return float4(-q.x, -q.y, -q.z, q.w); |
|
||||||
} |
|
||||||
|
|
||||||
float4 quat_mult(float4 q1, float4 q2) |
|
||||||
{ |
|
||||||
float4 qr; |
|
||||||
qr.x = (q1.w * q2.x) + (q1.x * q2.w) + (q1.y * q2.z) - (q1.z * q2.y); |
|
||||||
qr.y = (q1.w * q2.y) - (q1.x * q2.z) + (q1.y * q2.w) + (q1.z * q2.x); |
|
||||||
qr.z = (q1.w * q2.z) + (q1.x * q2.y) - (q1.y * q2.x) + (q1.z * q2.w); |
|
||||||
qr.w = (q1.w * q2.w) - (q1.x * q2.x) - (q1.y * q2.y) - (q1.z * q2.z); |
|
||||||
return qr; |
|
||||||
} |
|
||||||
|
|
||||||
float3 rotate_vertex_position(float3 position, float4 quat) |
|
||||||
{ |
|
||||||
return position + 2.0f * cross(quat.xyz, cross(quat.xyz, position) + quat.w * position); |
|
||||||
} |
|
||||||
|
|
||||||
float3 rotate_vertex_position(float3 position, float3 axis, float angle) |
|
||||||
{ |
|
||||||
float4 q = quat_from_axis_angle(axis, angle); |
|
||||||
return rotate_vertex_position(position, q); |
|
||||||
//float4 v = position.xyz; |
|
||||||
//return v + 2.0 * cross(q.xyz, cross(q.xyz, v) + q.w * v); |
|
||||||
} |
|
||||||
|
|
||||||
void calc_tangents(float3 vertices[4], float3 normals[4], float2 texcoords[4], out float4 tangents[4]) |
|
||||||
{ |
|
||||||
//float4 tangents[3]; |
|
||||||
float3 tan1[4]; |
|
||||||
float3 tan2[4]; |
|
||||||
int i; |
|
||||||
|
|
||||||
for (i = 0; i < 4; i++) |
|
||||||
{ |
|
||||||
tan1[i] = tan2[i] = float3(0, 0, 0); |
|
||||||
} |
|
||||||
|
|
||||||
for (i = 0; i < 4 - 2; i++) |
|
||||||
{ |
|
||||||
int i1 = 0; |
|
||||||
int i2 = i + 1; |
|
||||||
int i3 = i + 2; |
|
||||||
|
|
||||||
float3 v1 = vertices[i1]; |
|
||||||
float3 v2 = vertices[i2]; |
|
||||||
float3 v3 = vertices[i3]; |
|
||||||
|
|
||||||
float2 w1 = texcoords[i1]; |
|
||||||
float2 w2 = texcoords[i2]; |
|
||||||
float2 w3 = texcoords[i3]; |
|
||||||
|
|
||||||
float x1 = v2.x - v1.x; |
|
||||||
float x2 = v3.x - v1.x; |
|
||||||
float y1 = v2.y - v1.y; |
|
||||||
float y2 = v3.y - v1.y; |
|
||||||
float z1 = v2.z - v1.z; |
|
||||||
float z2 = v3.z - v1.z; |
|
||||||
|
|
||||||
float s1 = w2.x - w1.x; |
|
||||||
float s2 = w3.x - w1.x; |
|
||||||
float t1 = w2.y - w1.y; |
|
||||||
float t2 = w3.y - w1.y; |
|
||||||
|
|
||||||
float r = 1.0f / (s1 * t2 - s2 * t1); |
|
||||||
float3 sdir = float3((t2 * x1 - t1 * x2) * r, (t2 * y1 - t1 * y2) * r, (t2 * z1 - t1 * z2) * r); |
|
||||||
float3 tdir = float3((s1 * x2 - s2 * x1) * r, (s1 * y2 - s2 * y1) * r, (s1 * z2 - s2 * z1) * r); |
|
||||||
|
|
||||||
tan1[i1] += sdir; |
|
||||||
tan1[i2] += sdir; |
|
||||||
tan1[i3] += sdir; |
|
||||||
|
|
||||||
tan2[i1] += tdir; |
|
||||||
tan2[i2] += tdir; |
|
||||||
tan2[i3] += tdir; |
|
||||||
} |
|
||||||
|
|
||||||
for (i = 0; i < 4; i++) |
|
||||||
{ |
|
||||||
float3 n = normals[i]; |
|
||||||
float3 t = tan1[i]; |
|
||||||
|
|
||||||
tangents[i].xyz = tan1[i]; |
|
||||||
tangents[i].w = (dot(cross(n, t), tan2[i]) < 0.0f) ? -1.0f : 1.0f; |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
float4x4 quat_to_rotation_matrix(float4 q) |
|
||||||
{ |
|
||||||
return float4x4( |
|
||||||
1.0 - 2.0*q.y*q.y - 2.0*q.z*q.z, 2.0*q.x*q.y - 2.0*q.z*q.w, 2.0*q.x*q.z + 2.0*q.y*q.w, 0.0, |
|
||||||
2.0*q.x*q.y + 2.0*q.z*q.w, 1.0 - 2.0*q.x*q.x - 2.0*q.z*q.z, 2.0*q.y*q.z - 2.0*q.x*q.w, 0.0, |
|
||||||
2.0*q.x*q.z - 2.0*q.y*q.w, 2.0*q.y*q.z + 2.0*q.x*q.w, 1.0 - 2.0*q.x*q.x - 2.0*q.y*q.y, 0.0, |
|
||||||
0.0, 0.0, 0.0, 1.0); |
|
||||||
} |
|
||||||
|
|
||||||
float4x4 make_translation_matrix(float3 trans) |
|
||||||
{ |
|
||||||
return float4x4( |
|
||||||
1, 0, 0, trans.x, |
|
||||||
0, 1, 0, trans.y, |
|
||||||
0, 0, 1, trans.z, |
|
||||||
0, 0, 0, 1 |
|
||||||
); |
|
||||||
} |
|
||||||
|
|
||||||
float4x4 make_scaling_matrix(float s) |
|
||||||
{ |
|
||||||
return float4x4( |
|
||||||
s, 0, 0, 0, |
|
||||||
0, s, 0, 0, |
|
||||||
0, 0, s, 0, |
|
||||||
0, 0, 0, 1 |
|
||||||
); |
|
||||||
} |
|
||||||
|
|
||||||
const float4x4 identity_matrix = { |
|
||||||
1, 0, 0, 0, |
|
||||||
0, 1, 0, 0, |
|
||||||
0, 0, 1, 0, |
|
||||||
0, 0, 0, 1 |
|
||||||
}; |
|
||||||
|
|
||||||
half3 cosine_gradient(half3 A, half3 B, half3 C, half3 D, float t) |
|
||||||
{ |
|
||||||
return saturate(A + B * cos(C * t + D)); |
|
||||||
} |
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
#endif // __MATH__ |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: b75108e9e753c044eae1762becba5b2f |
|
||||||
timeCreated: 1513318177 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,8 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: fa89158a0f676c9479248d6a1b0cee36 |
|
||||||
ComputeShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
currentAPIMask: 4 |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: c968022c15bd5254385140a51e15c802 |
|
||||||
folderAsset: yes |
|
||||||
timeCreated: 1513318177 |
|
||||||
licenseType: Free |
|
||||||
DefaultImporter: |
|
||||||
externalObjects: {} |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,55 +0,0 @@ |
|||||||
#ifndef __CELLULAE_2D__ |
|
||||||
#define __CELLULAE_2D__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// Cellular noise ("Worley noise") in 2D in GLSL. |
|
||||||
// Copyright (c) Stefan Gustavson 2011-04-19. All rights reserved. |
|
||||||
// This code is released under the conditions of the MIT license. |
|
||||||
// See LICENSE file for details. |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
|
|
||||||
// Cellular noise, returning F1 and F2 in a vec2. |
|
||||||
// Standard 3x3 search window for good F1 and F2 values |
|
||||||
float2 cellular(float2 P) { |
|
||||||
const float K = 0.142857142857; // 1/7 |
|
||||||
const float Ko = 0.428571428571; // 3/7 |
|
||||||
const float jitter = 1.0; // Less gives more regular pattern |
|
||||||
float2 Pi = mod289(floor(P)); |
|
||||||
float2 Pf = frac(P); |
|
||||||
float3 oi = float3(-1.0, 0.0, 1.0); |
|
||||||
float3 of = float3(-0.5, 0.5, 1.5); |
|
||||||
float3 px = permute(Pi.x + oi); |
|
||||||
float3 p = permute(px.x + Pi.y + oi); // p11, p12, p13 |
|
||||||
float3 ox = fract(p*K) - Ko; |
|
||||||
float3 oy = mod7(floor(p*K))*K - Ko; |
|
||||||
float3 dx = Pf.x + 0.5 + jitter*ox; |
|
||||||
float3 dy = Pf.y - of + jitter*oy; |
|
||||||
float3 d1 = dx * dx + dy * dy; // d11, d12 and d13, squared |
|
||||||
p = permute(px.y + Pi.y + oi); // p21, p22, p23 |
|
||||||
ox = fract(p*K) - Ko; |
|
||||||
oy = mod7(floor(p*K))*K - Ko; |
|
||||||
dx = Pf.x - 0.5 + jitter*ox; |
|
||||||
dy = Pf.y - of + jitter*oy; |
|
||||||
float3 d2 = dx * dx + dy * dy; // d21, d22 and d23, squared |
|
||||||
p = permute(px.z + Pi.y + oi); // p31, p32, p33 |
|
||||||
ox = frac(p*K) - Ko; |
|
||||||
oy = mod7(floor(p*K))*K - Ko; |
|
||||||
dx = Pf.x - 1.5 + jitter*ox; |
|
||||||
dy = Pf.y - of + jitter*oy; |
|
||||||
float3 d3 = dx * dx + dy * dy; // d31, d32 and d33, squared |
|
||||||
// Sort out the two smallest distances (F1, F2) |
|
||||||
float3 d1a = min(d1, d2); |
|
||||||
d2 = max(d1, d2); // Swap to keep candidates for F2 |
|
||||||
d2 = min(d2, d3); // neither F1 nor F2 are now in d3 |
|
||||||
d1 = min(d1a, d2); // F1 is now in d1 |
|
||||||
d2 = max(d1a, d2); // Swap to keep candidates for F2 |
|
||||||
d1.xy = (d1.x < d1.y) ? d1.xy : d1.yx; // Swap if smaller |
|
||||||
d1.xz = (d1.x < d1.z) ? d1.xz : d1.zx; // F1 is in d1.x |
|
||||||
d1.yz = min(d1.yz, d2.yz); // F2 is now not in d2.yz |
|
||||||
d1.y = min(d1.y, d1.z); // nor in d1.z |
|
||||||
d1.y = min(d1.y, d2.x); // F2 is in d1.y, we're done. |
|
||||||
return sqrt(d1.xy); |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: dabc3d39937cf8b44b436eb48779d989 |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,50 +0,0 @@ |
|||||||
#ifndef __CELLULAE_2X2__ |
|
||||||
#define __CELLULAE_2X2__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// Cellular noise ("Worley noise") in 2D in GLSL. |
|
||||||
// Copyright (c) Stefan Gustavson 2011-04-19. All rights reserved. |
|
||||||
// This code is released under the conditions of the MIT license. |
|
||||||
// See LICENSE file for details. |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
|
|
||||||
// Cellular noise, returning F1 and F2 in a vec2. |
|
||||||
// Speeded up by using 2x2 search window instead of 3x3, |
|
||||||
// at the expense of some strong pattern artifacts. |
|
||||||
// F2 is often wrong and has sharp discontinuities. |
|
||||||
// If you need a smooth F2, use the slower 3x3 version. |
|
||||||
// F1 is sometimes wrong, too, but OK for most purposes. |
|
||||||
float2 cellular2x2(float2 P) { |
|
||||||
const float K = 0.142857142857; // 1/7 |
|
||||||
const float K2 = 0.0714285714285; // K/2 |
|
||||||
const float jitter = 0.8; // jitter 1.0 makes F1 wrong more often |
|
||||||
float2 Pi = mod289(floor(P)); |
|
||||||
float2 Pf = fract(P); |
|
||||||
float4 Pfx = Pf.x + vec4(-0.5, -1.5, -0.5, -1.5); |
|
||||||
float4 Pfy = Pf.y + vec4(-0.5, -0.5, -1.5, -1.5); |
|
||||||
float4 p = permute(Pi.x + vec4(0.0, 1.0, 0.0, 1.0)); |
|
||||||
p = permute(p + Pi.y + vec4(0.0, 0.0, 1.0, 1.0)); |
|
||||||
float4 ox = mod7(p)*K+K2; |
|
||||||
float4 oy = mod7(floor(p*K))*K+K2; |
|
||||||
float4 dx = Pfx + jitter*ox; |
|
||||||
float4 dy = Pfy + jitter*oy; |
|
||||||
float4 d = dx * dx + dy * dy; // d11, d12, d21 and d22, squared |
|
||||||
// Sort out the two smallest distances |
|
||||||
#if false |
|
||||||
// Cheat and pick only F1 |
|
||||||
d.xy = min(d.xy, d.zw); |
|
||||||
d.x = min(d.x, d.y); |
|
||||||
return vec2(sqrt(d.x)); // F1 duplicated, F2 not computed |
|
||||||
#else |
|
||||||
// Do it right and find both F1 and F2 |
|
||||||
d.xy = (d.x < d.y) ? d.xy : d.yx; // Swap if smaller |
|
||||||
d.xz = (d.x < d.z) ? d.xz : d.zx; |
|
||||||
d.xw = (d.x < d.w) ? d.xw : d.wx; |
|
||||||
d.y = min(d.y, d.z); |
|
||||||
d.y = min(d.y, d.w); |
|
||||||
return sqrt(d.xy); |
|
||||||
#endif |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: 286f253b43aa8bc4cbe7c7d3bc1e6500 |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
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|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,67 +0,0 @@ |
|||||||
#ifndef __CELLULAE_2X2X2__ |
|
||||||
#define __CELLULAE_2X2X2__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// Cellular noise ("Worley noise") in 3D in GLSL. |
|
||||||
// Copyright (c) Stefan Gustavson 2011-04-19. All rights reserved. |
|
||||||
// This code is released under the conditions of the MIT license. |
|
||||||
// See LICENSE file for details. |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
|
|
||||||
// Cellular noise, returning F1 and F2 in a vec2. |
|
||||||
// Speeded up by using 2x2x2 search window instead of 3x3x3, |
|
||||||
// at the expense of some pattern artifacts. |
|
||||||
// F2 is often wrong and has sharp discontinuities. |
|
||||||
// If you need a good F2, use the slower 3x3x3 version. |
|
||||||
float2 cellular2x2x2(float3 P) { |
|
||||||
const float K = 0.142857142857; // 1/7 |
|
||||||
const float Ko = 0.428571428571; // 1/2-K/2 |
|
||||||
const float K2 = 0.020408163265306; // 1/(7*7) |
|
||||||
const float Kz = 0.166666666667; // 1/6 |
|
||||||
const float Kzo = 0.416666666667; // 1/2-1/6*2 |
|
||||||
const float jitter = 0.8; // smaller jitter gives less errors in F2 |
|
||||||
float3 Pi = mod289(floor(P)); |
|
||||||
float3 Pf = fract(P); |
|
||||||
float4 Pfx = Pf.x + vec4(0.0, -1.0, 0.0, -1.0); |
|
||||||
float4 Pfy = Pf.y + vec4(0.0, 0.0, -1.0, -1.0); |
|
||||||
float4 p = permute(Pi.x + vec4(0.0, 1.0, 0.0, 1.0)); |
|
||||||
p = permute(p + Pi.y + vec4(0.0, 0.0, 1.0, 1.0)); |
|
||||||
float4 p1 = permute(p + Pi.z); // z+0 |
|
||||||
float4 p2 = permute(p + Pi.z + vec4(1.0)); // z+1 |
|
||||||
float4 ox1 = frac(p1*K) - Ko; |
|
||||||
float4 oy1 = mod7(floor(p1*K))*K - Ko; |
|
||||||
float4 oz1 = floor(p1*K2)*Kz - Kzo; // p1 < 289 guaranteed |
|
||||||
float4 ox2 = fract(p2*K) - Ko; |
|
||||||
float4 oy2 = mod7(floor(p2*K))*K - Ko; |
|
||||||
float4 oz2 = floor(p2*K2)*Kz - Kzo; |
|
||||||
float4 dx1 = Pfx + jitter*ox1; |
|
||||||
float4 dy1 = Pfy + jitter*oy1; |
|
||||||
float4 dz1 = Pf.z + jitter*oz1; |
|
||||||
float4 dx2 = Pfx + jitter*ox2; |
|
||||||
float4 dy2 = Pfy + jitter*oy2; |
|
||||||
float4 dz2 = Pf.z - 1.0 + jitter*oz2; |
|
||||||
float4 d1 = dx1 * dx1 + dy1 * dy1 + dz1 * dz1; // z+0 |
|
||||||
float4 d2 = dx2 * dx2 + dy2 * dy2 + dz2 * dz2; // z+1 |
|
||||||
|
|
||||||
// Sort out the two smallest distances (F1, F2) |
|
||||||
#if false |
|
||||||
// Cheat and sort out only F1 |
|
||||||
d1 = min(d1, d2); |
|
||||||
d1.xy = min(d1.xy, d1.wz); |
|
||||||
d1.x = min(d1.x, d1.y); |
|
||||||
return vec2(sqrt(d1.x)); |
|
||||||
#else |
|
||||||
// Do it right and sort out both F1 and F2 |
|
||||||
vec4 d = min(d1,d2); // F1 is now in d |
|
||||||
d2 = max(d1,d2); // Make sure we keep all candidates for F2 |
|
||||||
d.xy = (d.x < d.y) ? d.xy : d.yx; // Swap smallest to d.x |
|
||||||
d.xz = (d.x < d.z) ? d.xz : d.zx; |
|
||||||
d.xw = (d.x < d.w) ? d.xw : d.wx; // F1 is now in d.x |
|
||||||
d.yzw = min(d.yzw, d2.yzw); // F2 now not in d2.yzw |
|
||||||
d.y = min(d.y, d.z); // nor in d.z |
|
||||||
d.y = min(d.y, d.w); // nor in d.w |
|
||||||
d.y = min(d.y, d2.x); // F2 is now in d.y |
|
||||||
return sqrt(d.xy); // F1 and F2 |
|
||||||
#endif |
|
||||||
} |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: 4990a2164abda5d4b99a145d3253bf9f |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,177 +0,0 @@ |
|||||||
#ifndef __CELLULAE_3D__ |
|
||||||
#define __CELLULAE_3D__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// Cellular noise ("Worley noise") in 3D in GLSL. |
|
||||||
// Copyright (c) Stefan Gustavson 2011-04-19. All rights reserved. |
|
||||||
// This code is released under the conditions of the MIT license. |
|
||||||
// See LICENSE file for details. |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
|
|
||||||
// Cellular noise, returning F1 and F2 in a vec2. |
|
||||||
// 3x3x3 search region for good F2 everywhere, but a lot |
|
||||||
// slower than the 2x2x2 version. |
|
||||||
// The code below is a bit scary even to its author, |
|
||||||
// but it has at least half decent performance on a |
|
||||||
// modern GPU. In any case, it beats any software |
|
||||||
// implementation of Worley noise hands down. |
|
||||||
|
|
||||||
float2 cellular(float3 P) { |
|
||||||
const float K = 0.142857142857; // 1/7 |
|
||||||
const float Ko = 0.428571428571; // 1/2-K/2 |
|
||||||
const float K2 = 0.020408163265306; // 1/(7*7) |
|
||||||
const float Kz = 0.166666666667; // 1/6 |
|
||||||
const float Kzo = 0.416666666667; // 1/2-1/6*2 |
|
||||||
const float jitter = 1.0; // smaller jitter gives more regular pattern |
|
||||||
|
|
||||||
float3 Pi = mod289(floor(P)); |
|
||||||
float3 Pf = frac(P) - 0.5; |
|
||||||
|
|
||||||
float3 Pfx = Pf.x + float3(1.0, 0.0, -1.0); |
|
||||||
float3 Pfy = Pf.y + float3(1.0, 0.0, -1.0); |
|
||||||
float3 Pfz = Pf.z + float3(1.0, 0.0, -1.0); |
|
||||||
|
|
||||||
float3 p = permute(Pi.x + float3(-1.0, 0.0, 1.0)); |
|
||||||
float3 p1 = permute(p + Pi.y - 1.0); |
|
||||||
float3 p2 = permute(p + Pi.y); |
|
||||||
float3 p3 = permute(p + Pi.y + 1.0); |
|
||||||
|
|
||||||
float3 p11 = permute(p1 + Pi.z - 1.0); |
|
||||||
float3 p12 = permute(p1 + Pi.z); |
|
||||||
float3 p13 = permute(p1 + Pi.z + 1.0); |
|
||||||
|
|
||||||
float3 p21 = permute(p2 + Pi.z - 1.0); |
|
||||||
float3 p22 = permute(p2 + Pi.z); |
|
||||||
float3 p23 = permute(p2 + Pi.z + 1.0); |
|
||||||
|
|
||||||
float3 p31 = permute(p3 + Pi.z - 1.0); |
|
||||||
float3 p32 = permute(p3 + Pi.z); |
|
||||||
float3 p33 = permute(p3 + Pi.z + 1.0); |
|
||||||
|
|
||||||
float3 ox11 = frac(p11*K) - Ko; |
|
||||||
float3 oy11 = mod7(floor(p11*K))*K - Ko; |
|
||||||
float3 oz11 = floor(p11*K2)*Kz - Kzo; // p11 < 289 guaranteed |
|
||||||
|
|
||||||
float3 ox12 = frac(p12*K) - Ko; |
|
||||||
float3 oy12 = mod7(floor(p12*K))*K - Ko; |
|
||||||
float3 oz12 = floor(p12*K2)*Kz - Kzo; |
|
||||||
|
|
||||||
float3 ox13 = frac(p13*K) - Ko; |
|
||||||
float3 oy13 = mod7(floor(p13*K))*K - Ko; |
|
||||||
float3 oz13 = floor(p13*K2)*Kz - Kzo; |
|
||||||
|
|
||||||
float3 ox21 = frac(p21*K) - Ko; |
|
||||||
float3 oy21 = mod7(floor(p21*K))*K - Ko; |
|
||||||
float3 oz21 = floor(p21*K2)*Kz - Kzo; |
|
||||||
|
|
||||||
float3 ox22 = frac(p22*K) - Ko; |
|
||||||
float3 oy22 = mod7(floor(p22*K))*K - Ko; |
|
||||||
float3 oz22 = floor(p22*K2)*Kz - Kzo; |
|
||||||
|
|
||||||
float3 ox23 = frac(p23*K) - Ko; |
|
||||||
float3 oy23 = mod7(floor(p23*K))*K - Ko; |
|
||||||
float3 oz23 = floor(p23*K2)*Kz - Kzo; |
|
||||||
|
|
||||||
float3 ox31 = frac(p31*K) - Ko; |
|
||||||
float3 oy31 = mod7(floor(p31*K))*K - Ko; |
|
||||||
float3 oz31 = floor(p31*K2)*Kz - Kzo; |
|
||||||
|
|
||||||
float3 ox32 = frac(p32*K) - Ko; |
|
||||||
float3 oy32 = mod7(floor(p32*K))*K - Ko; |
|
||||||
float3 oz32 = floor(p32*K2)*Kz - Kzo; |
|
||||||
|
|
||||||
float3 ox33 = frac(p33*K) - Ko; |
|
||||||
float3 oy33 = mod7(floor(p33*K))*K - Ko; |
|
||||||
float3 oz33 = floor(p33*K2)*Kz - Kzo; |
|
||||||
|
|
||||||
float3 dx11 = Pfx + jitter*ox11; |
|
||||||
float3 dy11 = Pfy.x + jitter*oy11; |
|
||||||
float3 dz11 = Pfz.x + jitter*oz11; |
|
||||||
|
|
||||||
float3 dx12 = Pfx + jitter*ox12; |
|
||||||
float3 dy12 = Pfy.x + jitter*oy12; |
|
||||||
float3 dz12 = Pfz.y + jitter*oz12; |
|
||||||
|
|
||||||
float3 dx13 = Pfx + jitter*ox13; |
|
||||||
float3 dy13 = Pfy.x + jitter*oy13; |
|
||||||
float3 dz13 = Pfz.z + jitter*oz13; |
|
||||||
|
|
||||||
float3 dx21 = Pfx + jitter*ox21; |
|
||||||
float3 dy21 = Pfy.y + jitter*oy21; |
|
||||||
float3 dz21 = Pfz.x + jitter*oz21; |
|
||||||
|
|
||||||
float3 dx22 = Pfx + jitter*ox22; |
|
||||||
float3 dy22 = Pfy.y + jitter*oy22; |
|
||||||
float3 dz22 = Pfz.y + jitter*oz22; |
|
||||||
|
|
||||||
float3 dx23 = Pfx + jitter*ox23; |
|
||||||
float3 dy23 = Pfy.y + jitter*oy23; |
|
||||||
float3 dz23 = Pfz.z + jitter*oz23; |
|
||||||
|
|
||||||
float3 dx31 = Pfx + jitter*ox31; |
|
||||||
float3 dy31 = Pfy.z + jitter*oy31; |
|
||||||
float3 dz31 = Pfz.x + jitter*oz31; |
|
||||||
|
|
||||||
float3 dx32 = Pfx + jitter*ox32; |
|
||||||
float3 dy32 = Pfy.z + jitter*oy32; |
|
||||||
float3 dz32 = Pfz.y + jitter*oz32; |
|
||||||
|
|
||||||
float3 dx33 = Pfx + jitter*ox33; |
|
||||||
float3 dy33 = Pfy.z + jitter*oy33; |
|
||||||
float3 dz33 = Pfz.z + jitter*oz33; |
|
||||||
|
|
||||||
float3 d11 = dx11 * dx11 + dy11 * dy11 + dz11 * dz11; |
|
||||||
float3 d12 = dx12 * dx12 + dy12 * dy12 + dz12 * dz12; |
|
||||||
float3 d13 = dx13 * dx13 + dy13 * dy13 + dz13 * dz13; |
|
||||||
float3 d21 = dx21 * dx21 + dy21 * dy21 + dz21 * dz21; |
|
||||||
float3 d22 = dx22 * dx22 + dy22 * dy22 + dz22 * dz22; |
|
||||||
float3 d23 = dx23 * dx23 + dy23 * dy23 + dz23 * dz23; |
|
||||||
float3 d31 = dx31 * dx31 + dy31 * dy31 + dz31 * dz31; |
|
||||||
float3 d32 = dx32 * dx32 + dy32 * dy32 + dz32 * dz32; |
|
||||||
float3 d33 = dx33 * dx33 + dy33 * dy33 + dz33 * dz33; |
|
||||||
|
|
||||||
// Sort out the two smallest distances (F1, F2) |
|
||||||
#if false |
|
||||||
// Cheat and sort out only F1 |
|
||||||
float3 d1 = min(min(d11,d12), d13); |
|
||||||
float3 d2 = min(min(d21,d22), d23); |
|
||||||
float3 d3 = min(min(d31,d32), d33); |
|
||||||
float3 d = min(min(d1,d2), d3); |
|
||||||
d.x = min(min(d.x,d.y),d.z); |
|
||||||
return float2(sqrt(d.x)); // F1 duplicated, no F2 computed |
|
||||||
#else |
|
||||||
// Do it right and sort out both F1 and F2 |
|
||||||
float3 d1a = min(d11, d12); |
|
||||||
d12 = max(d11, d12); |
|
||||||
d11 = min(d1a, d13); // Smallest now not in d12 or d13 |
|
||||||
d13 = max(d1a, d13); |
|
||||||
d12 = min(d12, d13); // 2nd smallest now not in d13 |
|
||||||
float3 d2a = min(d21, d22); |
|
||||||
d22 = max(d21, d22); |
|
||||||
d21 = min(d2a, d23); // Smallest now not in d22 or d23 |
|
||||||
d23 = max(d2a, d23); |
|
||||||
d22 = min(d22, d23); // 2nd smallest now not in d23 |
|
||||||
float3 d3a = min(d31, d32); |
|
||||||
d32 = max(d31, d32); |
|
||||||
d31 = min(d3a, d33); // Smallest now not in d32 or d33 |
|
||||||
d33 = max(d3a, d33); |
|
||||||
d32 = min(d32, d33); // 2nd smallest now not in d33 |
|
||||||
float3 da = min(d11, d21); |
|
||||||
d21 = max(d11, d21); |
|
||||||
d11 = min(da, d31); // Smallest now in d11 |
|
||||||
d31 = max(da, d31); // 2nd smallest now not in d31 |
|
||||||
d11.xy = (d11.x < d11.y) ? d11.xy : d11.yx; |
|
||||||
d11.xz = (d11.x < d11.z) ? d11.xz : d11.zx; // d11.x now smallest |
|
||||||
d12 = min(d12, d21); // 2nd smallest now not in d21 |
|
||||||
d12 = min(d12, d22); // nor in d22 |
|
||||||
d12 = min(d12, d31); // nor in d31 |
|
||||||
d12 = min(d12, d32); // nor in d32 |
|
||||||
d11.yz = min(d11.yz,d12.xy); // nor in d12.yz |
|
||||||
d11.y = min(d11.y,d12.z); // Only two more to go |
|
||||||
d11.y = min(d11.y,d11.z); // Done! (Phew!) |
|
||||||
return sqrt(d11.xy); // F1, F2 |
|
||||||
#endif |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: 35eda6f8be41bec4e86fe00e2ced1c0e |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,101 +0,0 @@ |
|||||||
#ifndef __CLASSIC_NOISE_2D__ |
|
||||||
#define __CLASSIC_NOISE_2D__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// |
|
||||||
// GLSL textureless classic 2D noise "cnoise", |
|
||||||
// with an RSL-style periodic variant "pnoise". |
|
||||||
// Author: Stefan Gustavson (stefan.gustavson@liu.se) |
|
||||||
// Version: 2011-08-22 |
|
||||||
// |
|
||||||
// Many thanks to Ian McEwan of Ashima Arts for the |
|
||||||
// ideas for permutation and gradient selection. |
|
||||||
// |
|
||||||
// Copyright (c) 2011 Stefan Gustavson. All rights reserved. |
|
||||||
// Distributed under the MIT license. See LICENSE file. |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
// |
|
||||||
|
|
||||||
// Classic Perlin noise |
|
||||||
float cnoise(float2 P) |
|
||||||
{ |
|
||||||
float4 Pi = floor(P.xyxy) + float4(0.0, 0.0, 1.0, 1.0); |
|
||||||
float4 Pf = frac(P.xyxy) - float4(0.0, 0.0, 1.0, 1.0); |
|
||||||
Pi = mod289(Pi); // To avoid truncation effects in permutation |
|
||||||
float4 ix = Pi.xzxz; |
|
||||||
float4 iy = Pi.yyww; |
|
||||||
float4 fx = Pf.xzxz; |
|
||||||
float4 fy = Pf.yyww; |
|
||||||
|
|
||||||
float4 i = permute(permute(ix) + iy); |
|
||||||
|
|
||||||
float4 gx = frac(i * (1.0 / 41.0)) * 2.0 - 1.0 ; |
|
||||||
float4 gy = abs(gx) - 0.5 ; |
|
||||||
float4 tx = floor(gx + 0.5); |
|
||||||
gx = gx - tx; |
|
||||||
|
|
||||||
float2 g00 = float2(gx.x,gy.x); |
|
||||||
float2 g10 = float2(gx.y,gy.y); |
|
||||||
float2 g01 = float2(gx.z,gy.z); |
|
||||||
float2 g11 = float2(gx.w,gy.w); |
|
||||||
|
|
||||||
float4 norm = taylorInvSqrt(float4(dot(g00, g00), dot(g01, g01), dot(g10, g10), dot(g11, g11))); |
|
||||||
g00 *= norm.x; |
|
||||||
g01 *= norm.y; |
|
||||||
g10 *= norm.z; |
|
||||||
g11 *= norm.w; |
|
||||||
|
|
||||||
float n00 = dot(g00, vec2(fx.x, fy.x)); |
|
||||||
float n10 = dot(g10, vec2(fx.y, fy.y)); |
|
||||||
float n01 = dot(g01, vec2(fx.z, fy.z)); |
|
||||||
float n11 = dot(g11, vec2(fx.w, fy.w)); |
|
||||||
|
|
||||||
float2 fade_xy = fade(Pf.xy); |
|
||||||
float2 n_x = lerp(float2(n00, n01), float2(n10, n11), fade_xy.x); |
|
||||||
float n_xy = lerp(n_x.x, n_x.y, fade_xy.y); |
|
||||||
return 2.3 * n_xy; |
|
||||||
} |
|
||||||
|
|
||||||
// Classic Perlin noise, periodic variant |
|
||||||
float pnoise(float2 P, float2 rep) |
|
||||||
{ |
|
||||||
float4 Pi = floor(P.xyxy) + float4(0.0, 0.0, 1.0, 1.0); |
|
||||||
float4 Pf = frac(P.xyxy) - float4(0.0, 0.0, 1.0, 1.0); |
|
||||||
Pi = mod(Pi, rep.xyxy); // To create noise with explicit period |
|
||||||
Pi = mod289(Pi); // To avoid truncation effects in permutation |
|
||||||
float4 ix = Pi.xzxz; |
|
||||||
float4 iy = Pi.yyww; |
|
||||||
float4 fx = Pf.xzxz; |
|
||||||
float4 fy = Pf.yyww; |
|
||||||
|
|
||||||
float4 i = permute(permute(ix) + iy); |
|
||||||
|
|
||||||
float4 gx = frac(i * (1.0 / 41.0)) * 2.0 - 1.0 ; |
|
||||||
float4 gy = abs(gx) - 0.5 ; |
|
||||||
float4 tx = floor(gx + 0.5); |
|
||||||
gx = gx - tx; |
|
||||||
|
|
||||||
float2 g00 = float2(gx.x,gy.x); |
|
||||||
float2 g10 = float2(gx.y,gy.y); |
|
||||||
float2 g01 = float2(gx.z,gy.z); |
|
||||||
float2 g11 = float2(gx.w,gy.w); |
|
||||||
|
|
||||||
float4 norm = taylorInvSqrt(float4(dot(g00, g00), dot(g01, g01), dot(g10, g10), dot(g11, g11))); |
|
||||||
g00 *= norm.x; |
|
||||||
g01 *= norm.y; |
|
||||||
g10 *= norm.z; |
|
||||||
g11 *= norm.w; |
|
||||||
|
|
||||||
float n00 = dot(g00, float2(fx.x, fy.x)); |
|
||||||
float n10 = dot(g10, float2(fx.y, fy.y)); |
|
||||||
float n01 = dot(g01, float2(fx.z, fy.z)); |
|
||||||
float n11 = dot(g11, float2(fx.w, fy.w)); |
|
||||||
|
|
||||||
float2 fade_xy = fade(Pf.xy); |
|
||||||
float2 n_x = lerp(vec2(n00, n01), float2(n10, n11), fade_xy.x); |
|
||||||
float n_xy = lerp(n_x.x, n_x.y, fade_xy.y); |
|
||||||
return 2.3 * n_xy; |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: 686e838ffd1bb9f4e8f2470120cfcdd1 |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,160 +0,0 @@ |
|||||||
#ifndef __CLASSIC_NOISE_3D__ |
|
||||||
#define __CLASSIC_NOISE_3D__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// |
|
||||||
// GLSL textureless classic 3D noise "cnoise", |
|
||||||
// with an RSL-style periodic variant "pnoise". |
|
||||||
// Author: Stefan Gustavson (stefan.gustavson@liu.se) |
|
||||||
// Version: 2011-10-11 |
|
||||||
// |
|
||||||
// Many thanks to Ian McEwan of Ashima Arts for the |
|
||||||
// ideas for permutation and gradient selection. |
|
||||||
// |
|
||||||
// Copyright (c) 2011 Stefan Gustavson. All rights reserved. |
|
||||||
// Distributed under the MIT license. See LICENSE file. |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
// |
|
||||||
|
|
||||||
// Classic Perlin noise |
|
||||||
float cnoise(float3 P) |
|
||||||
{ |
|
||||||
float3 Pi0 = floor(P); // Integer part for indexing |
|
||||||
float3 Pi1 = Pi0 + float3(1.0); // Integer part + 1 |
|
||||||
Pi0 = mod289(Pi0); |
|
||||||
Pi1 = mod289(Pi1); |
|
||||||
float3 Pf0 = frac(P); // Fractional part for interpolation |
|
||||||
float3 Pf1 = Pf0 - float3(1.0); // Fractional part - 1.0 |
|
||||||
float4 ix = float4(Pi0.x, Pi1.x, Pi0.x, Pi1.x); |
|
||||||
float4 iy = float4(Pi0.yy, Pi1.yy); |
|
||||||
float4 iz0 = Pi0.zzzz; |
|
||||||
float4 iz1 = Pi1.zzzz; |
|
||||||
|
|
||||||
float4 ixy = permute(permute(ix) + iy); |
|
||||||
float4 ixy0 = permute(ixy + iz0); |
|
||||||
float4 ixy1 = permute(ixy + iz1); |
|
||||||
|
|
||||||
float4 gx0 = ixy0 * (1.0 / 7.0); |
|
||||||
float4 gy0 = frac(floor(gx0) * (1.0 / 7.0)) - 0.5; |
|
||||||
gx0 = frac(gx0); |
|
||||||
float4 gz0 = float4(0.5) - abs(gx0) - abs(gy0); |
|
||||||
float4 sz0 = step(gz0, float4(0.0)); |
|
||||||
gx0 -= sz0 * (step(0.0, gx0) - 0.5); |
|
||||||
gy0 -= sz0 * (step(0.0, gy0) - 0.5); |
|
||||||
|
|
||||||
float4 gx1 = ixy1 * (1.0 / 7.0); |
|
||||||
float4 gy1 = frac(floor(gx1) * (1.0 / 7.0)) - 0.5; |
|
||||||
gx1 = frac(gx1); |
|
||||||
float4 gz1 = float4(0.5) - abs(gx1) - abs(gy1); |
|
||||||
float4 sz1 = step(gz1, float4(0.0)); |
|
||||||
gx1 -= sz1 * (step(0.0, gx1) - 0.5); |
|
||||||
gy1 -= sz1 * (step(0.0, gy1) - 0.5); |
|
||||||
|
|
||||||
float3 g000 = float3(gx0.x,gy0.x,gz0.x); |
|
||||||
float3 g100 = float3(gx0.y,gy0.y,gz0.y); |
|
||||||
float3 g010 = float3(gx0.z,gy0.z,gz0.z); |
|
||||||
float3 g110 = float3(gx0.w,gy0.w,gz0.w); |
|
||||||
float3 g001 = float3(gx1.x,gy1.x,gz1.x); |
|
||||||
float3 g101 = float3(gx1.y,gy1.y,gz1.y); |
|
||||||
float3 g011 = float3(gx1.z,gy1.z,gz1.z); |
|
||||||
float3 g111 = float3(gx1.w,gy1.w,gz1.w); |
|
||||||
|
|
||||||
float4 norm0 = taylorInvSqrt(float4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110))); |
|
||||||
g000 *= norm0.x; |
|
||||||
g010 *= norm0.y; |
|
||||||
g100 *= norm0.z; |
|
||||||
g110 *= norm0.w; |
|
||||||
float4 norm1 = taylorInvSqrt(float4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111))); |
|
||||||
g001 *= norm1.x; |
|
||||||
g011 *= norm1.y; |
|
||||||
g101 *= norm1.z; |
|
||||||
g111 *= norm1.w; |
|
||||||
|
|
||||||
float n000 = dot(g000, Pf0); |
|
||||||
float n100 = dot(g100, float3(Pf1.x, Pf0.yz)); |
|
||||||
float n010 = dot(g010, float3(Pf0.x, Pf1.y, Pf0.z)); |
|
||||||
float n110 = dot(g110, float3(Pf1.xy, Pf0.z)); |
|
||||||
float n001 = dot(g001, float3(Pf0.xy, Pf1.z)); |
|
||||||
float n101 = dot(g101, float3(Pf1.x, Pf0.y, Pf1.z)); |
|
||||||
float n011 = dot(g011, float3(Pf0.x, Pf1.yz)); |
|
||||||
float n111 = dot(g111, Pf1); |
|
||||||
|
|
||||||
float3 fade_xyz = fade(Pf0); |
|
||||||
float4 n_z = mix(float4(n000, n100, n010, n110), float4(n001, n101, n011, n111), fade_xyz.z); |
|
||||||
float2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y); |
|
||||||
float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); |
|
||||||
return 2.2 * n_xyz; |
|
||||||
} |
|
||||||
|
|
||||||
// Classic Perlin noise, periodic variant |
|
||||||
float pnoise(float3 P, float3 rep) |
|
||||||
{ |
|
||||||
float3 Pi0 = mod(floor(P), rep); // Integer part, modulo period |
|
||||||
float3 Pi1 = mod(Pi0 + float3(1.0), rep); // Integer part + 1, mod period |
|
||||||
Pi0 = mod289(Pi0); |
|
||||||
Pi1 = mod289(Pi1); |
|
||||||
float3 Pf0 = frac(P); // Fractional part for interpolation |
|
||||||
float3 Pf1 = Pf0 - float3(1.0); // Fractional part - 1.0 |
|
||||||
float4 ix = float4(Pi0.x, Pi1.x, Pi0.x, Pi1.x); |
|
||||||
float4 iy = float4(Pi0.yy, Pi1.yy); |
|
||||||
float4 iz0 = Pi0.zzzz; |
|
||||||
float4 iz1 = Pi1.zzzz; |
|
||||||
|
|
||||||
float4 ixy = permute(permute(ix) + iy); |
|
||||||
float4 ixy0 = permute(ixy + iz0); |
|
||||||
float4 ixy1 = permute(ixy + iz1); |
|
||||||
|
|
||||||
float4 gx0 = ixy0 * (1.0 / 7.0); |
|
||||||
float4 gy0 = frac(floor(gx0) * (1.0 / 7.0)) - 0.5; |
|
||||||
gx0 = frac(gx0); |
|
||||||
float4 gz0 = float4(0.5) - abs(gx0) - abs(gy0); |
|
||||||
float4 sz0 = step(gz0, float4(0.0)); |
|
||||||
gx0 -= sz0 * (step(0.0, gx0) - 0.5); |
|
||||||
gy0 -= sz0 * (step(0.0, gy0) - 0.5); |
|
||||||
|
|
||||||
float4 gx1 = ixy1 * (1.0 / 7.0); |
|
||||||
float4 gy1 = frac(floor(gx1) * (1.0 / 7.0)) - 0.5; |
|
||||||
gx1 = frac(gx1); |
|
||||||
float4 gz1 = float4(0.5) - abs(gx1) - abs(gy1); |
|
||||||
float4 sz1 = step(gz1, float4(0.0)); |
|
||||||
gx1 -= sz1 * (step(0.0, gx1) - 0.5); |
|
||||||
gy1 -= sz1 * (step(0.0, gy1) - 0.5); |
|
||||||
|
|
||||||
float3 g000 = float3(gx0.x,gy0.x,gz0.x); |
|
||||||
float3 g100 = float3(gx0.y,gy0.y,gz0.y); |
|
||||||
float3 g010 = float3(gx0.z,gy0.z,gz0.z); |
|
||||||
float3 g110 = float3(gx0.w,gy0.w,gz0.w); |
|
||||||
float3 g001 = float3(gx1.x,gy1.x,gz1.x); |
|
||||||
float3 g101 = float3(gx1.y,gy1.y,gz1.y); |
|
||||||
float3 g011 = float3(gx1.z,gy1.z,gz1.z); |
|
||||||
float3 g111 = float3(gx1.w,gy1.w,gz1.w); |
|
||||||
|
|
||||||
float4 norm0 = taylorInvSqrt(float4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110))); |
|
||||||
g000 *= norm0.x; |
|
||||||
g010 *= norm0.y; |
|
||||||
g100 *= norm0.z; |
|
||||||
g110 *= norm0.w; |
|
||||||
float4 norm1 = taylorInvSqrt(float4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111))); |
|
||||||
g001 *= norm1.x; |
|
||||||
g011 *= norm1.y; |
|
||||||
g101 *= norm1.z; |
|
||||||
g111 *= norm1.w; |
|
||||||
|
|
||||||
float n000 = dot(g000, Pf0); |
|
||||||
float n100 = dot(g100, float3(Pf1.x, Pf0.yz)); |
|
||||||
float n010 = dot(g010, float3(Pf0.x, Pf1.y, Pf0.z)); |
|
||||||
float n110 = dot(g110, float3(Pf1.xy, Pf0.z)); |
|
||||||
float n001 = dot(g001, float3(Pf0.xy, Pf1.z)); |
|
||||||
float n101 = dot(g101, float3(Pf1.x, Pf0.y, Pf1.z)); |
|
||||||
float n011 = dot(g011, float3(Pf0.x, Pf1.yz)); |
|
||||||
float n111 = dot(g111, Pf1); |
|
||||||
|
|
||||||
float3 fade_xyz = fade(Pf0); |
|
||||||
float4 n_z = mix(float4(n000, n100, n010, n110), float4(n001, n101, n011, n111), fade_xyz.z); |
|
||||||
float2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y); |
|
||||||
float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); |
|
||||||
return 2.2 * n_xyz; |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: d455bc260cbec6a47b350e56e5af7cf0 |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,290 +0,0 @@ |
|||||||
#ifndef __CLASSIC_NOISE_4D__ |
|
||||||
#define __CLASSIC_NOISE_4D__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// |
|
||||||
// GLSL textureless classic 4D noise "cnoise", |
|
||||||
// with an RSL-style periodic variant "pnoise". |
|
||||||
// Author: Stefan Gustavson (stefan.gustavson@liu.se) |
|
||||||
// Version: 2011-08-22 |
|
||||||
// |
|
||||||
// Many thanks to Ian McEwan of Ashima Arts for the |
|
||||||
// ideas for permutation and gradient selection. |
|
||||||
// |
|
||||||
// Copyright (c) 2011 Stefan Gustavson. All rights reserved. |
|
||||||
// Distributed under the MIT license. See LICENSE file. |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
// |
|
||||||
|
|
||||||
// Classic Perlin noise |
|
||||||
float cnoise(float4 P) |
|
||||||
{ |
|
||||||
float4 Pi0 = floor(P); // Integer part for indexing |
|
||||||
float4 Pi1 = Pi0 + 1.0; // Integer part + 1 |
|
||||||
Pi0 = mod289(Pi0); |
|
||||||
Pi1 = mod289(Pi1); |
|
||||||
float4 Pf0 = frac(P); // Fractional part for interpolation |
|
||||||
float4 Pf1 = Pf0 - 1.0; // Fractional part - 1.0 |
|
||||||
float4 ix = float4(Pi0.x, Pi1.x, Pi0.x, Pi1.x); |
|
||||||
float4 iy = float4(Pi0.yy, Pi1.yy); |
|
||||||
float4 iz0 = float4(Pi0.zzzz); |
|
||||||
float4 iz1 = float4(Pi1.zzzz); |
|
||||||
float4 iw0 = float4(Pi0.wwww); |
|
||||||
float4 iw1 = float4(Pi1.wwww); |
|
||||||
|
|
||||||
float4 ixy = permute(permute(ix) + iy); |
|
||||||
float4 ixy0 = permute(ixy + iz0); |
|
||||||
float4 ixy1 = permute(ixy + iz1); |
|
||||||
float4 ixy00 = permute(ixy0 + iw0); |
|
||||||
float4 ixy01 = permute(ixy0 + iw1); |
|
||||||
float4 ixy10 = permute(ixy1 + iw0); |
|
||||||
float4 ixy11 = permute(ixy1 + iw1); |
|
||||||
|
|
||||||
float4 gx00 = ixy00 * (1.0 / 7.0); |
|
||||||
float4 gy00 = floor(gx00) * (1.0 / 7.0); |
|
||||||
float4 gz00 = floor(gy00) * (1.0 / 6.0); |
|
||||||
gx00 = frac(gx00) - 0.5; |
|
||||||
gy00 = frac(gy00) - 0.5; |
|
||||||
gz00 = frac(gz00) - 0.5; |
|
||||||
float4 gw00 = float4(0.75) - abs(gx00) - abs(gy00) - abs(gz00); |
|
||||||
float4 sw00 = step(gw00, float4(0.0)); |
|
||||||
gx00 -= sw00 * (step(0.0, gx00) - 0.5); |
|
||||||
gy00 -= sw00 * (step(0.0, gy00) - 0.5); |
|
||||||
|
|
||||||
float4 gx01 = ixy01 * (1.0 / 7.0); |
|
||||||
float4 gy01 = floor(gx01) * (1.0 / 7.0); |
|
||||||
float4 gz01 = floor(gy01) * (1.0 / 6.0); |
|
||||||
gx01 = frac(gx01) - 0.5; |
|
||||||
gy01 = frac(gy01) - 0.5; |
|
||||||
gz01 = frac(gz01) - 0.5; |
|
||||||
float4 gw01 = float4(0.75) - abs(gx01) - abs(gy01) - abs(gz01); |
|
||||||
float4 sw01 = step(gw01, float4(0.0)); |
|
||||||
gx01 -= sw01 * (step(0.0, gx01) - 0.5); |
|
||||||
gy01 -= sw01 * (step(0.0, gy01) - 0.5); |
|
||||||
|
|
||||||
float4 gx10 = ixy10 * (1.0 / 7.0); |
|
||||||
float4 gy10 = floor(gx10) * (1.0 / 7.0); |
|
||||||
float4 gz10 = floor(gy10) * (1.0 / 6.0); |
|
||||||
gx10 = frac(gx10) - 0.5; |
|
||||||
gy10 = frac(gy10) - 0.5; |
|
||||||
gz10 = frac(gz10) - 0.5; |
|
||||||
float4 gw10 = float4(0.75) - abs(gx10) - abs(gy10) - abs(gz10); |
|
||||||
float4 sw10 = step(gw10, float4(0.0)); |
|
||||||
gx10 -= sw10 * (step(0.0, gx10) - 0.5); |
|
||||||
gy10 -= sw10 * (step(0.0, gy10) - 0.5); |
|
||||||
|
|
||||||
float4 gx11 = ixy11 * (1.0 / 7.0); |
|
||||||
float4 gy11 = floor(gx11) * (1.0 / 7.0); |
|
||||||
float4 gz11 = floor(gy11) * (1.0 / 6.0); |
|
||||||
gx11 = frac(gx11) - 0.5; |
|
||||||
gy11 = frac(gy11) - 0.5; |
|
||||||
gz11 = frac(gz11) - 0.5; |
|
||||||
float4 gw11 = float4(0.75) - abs(gx11) - abs(gy11) - abs(gz11); |
|
||||||
float4 sw11 = step(gw11, float4(0.0)); |
|
||||||
gx11 -= sw11 * (step(0.0, gx11) - 0.5); |
|
||||||
gy11 -= sw11 * (step(0.0, gy11) - 0.5); |
|
||||||
|
|
||||||
float4 g0000 = float4(gx00.x,gy00.x,gz00.x,gw00.x); |
|
||||||
float4 g1000 = float4(gx00.y,gy00.y,gz00.y,gw00.y); |
|
||||||
float4 g0100 = float4(gx00.z,gy00.z,gz00.z,gw00.z); |
|
||||||
float4 g1100 = float4(gx00.w,gy00.w,gz00.w,gw00.w); |
|
||||||
float4 g0010 = float4(gx10.x,gy10.x,gz10.x,gw10.x); |
|
||||||
float4 g1010 = float4(gx10.y,gy10.y,gz10.y,gw10.y); |
|
||||||
float4 g0110 = float4(gx10.z,gy10.z,gz10.z,gw10.z); |
|
||||||
float4 g1110 = float4(gx10.w,gy10.w,gz10.w,gw10.w); |
|
||||||
float4 g0001 = float4(gx01.x,gy01.x,gz01.x,gw01.x); |
|
||||||
float4 g1001 = float4(gx01.y,gy01.y,gz01.y,gw01.y); |
|
||||||
float4 g0101 = float4(gx01.z,gy01.z,gz01.z,gw01.z); |
|
||||||
float4 g1101 = float4(gx01.w,gy01.w,gz01.w,gw01.w); |
|
||||||
float4 g0011 = float4(gx11.x,gy11.x,gz11.x,gw11.x); |
|
||||||
float4 g1011 = float4(gx11.y,gy11.y,gz11.y,gw11.y); |
|
||||||
float4 g0111 = float4(gx11.z,gy11.z,gz11.z,gw11.z); |
|
||||||
float4 g1111 = float4(gx11.w,gy11.w,gz11.w,gw11.w); |
|
||||||
|
|
||||||
float4 norm00 = taylorInvSqrt(float4(dot(g0000, g0000), dot(g0100, g0100), dot(g1000, g1000), dot(g1100, g1100))); |
|
||||||
g0000 *= norm00.x; |
|
||||||
g0100 *= norm00.y; |
|
||||||
g1000 *= norm00.z; |
|
||||||
g1100 *= norm00.w; |
|
||||||
|
|
||||||
float4 norm01 = taylorInvSqrt(float4(dot(g0001, g0001), dot(g0101, g0101), dot(g1001, g1001), dot(g1101, g1101))); |
|
||||||
g0001 *= norm01.x; |
|
||||||
g0101 *= norm01.y; |
|
||||||
g1001 *= norm01.z; |
|
||||||
g1101 *= norm01.w; |
|
||||||
|
|
||||||
float4 norm10 = taylorInvSqrt(float4(dot(g0010, g0010), dot(g0110, g0110), dot(g1010, g1010), dot(g1110, g1110))); |
|
||||||
g0010 *= norm10.x; |
|
||||||
g0110 *= norm10.y; |
|
||||||
g1010 *= norm10.z; |
|
||||||
g1110 *= norm10.w; |
|
||||||
|
|
||||||
float4 norm11 = taylorInvSqrt(float4(dot(g0011, g0011), dot(g0111, g0111), dot(g1011, g1011), dot(g1111, g1111))); |
|
||||||
g0011 *= norm11.x; |
|
||||||
g0111 *= norm11.y; |
|
||||||
g1011 *= norm11.z; |
|
||||||
g1111 *= norm11.w; |
|
||||||
|
|
||||||
float n0000 = dot(g0000, Pf0); |
|
||||||
float n1000 = dot(g1000, float4(Pf1.x, Pf0.yzw)); |
|
||||||
float n0100 = dot(g0100, float4(Pf0.x, Pf1.y, Pf0.zw)); |
|
||||||
float n1100 = dot(g1100, float4(Pf1.xy, Pf0.zw)); |
|
||||||
float n0010 = dot(g0010, float4(Pf0.xy, Pf1.z, Pf0.w)); |
|
||||||
float n1010 = dot(g1010, float4(Pf1.x, Pf0.y, Pf1.z, Pf0.w)); |
|
||||||
float n0110 = dot(g0110, float4(Pf0.x, Pf1.yz, Pf0.w)); |
|
||||||
float n1110 = dot(g1110, float4(Pf1.xyz, Pf0.w)); |
|
||||||
float n0001 = dot(g0001, float4(Pf0.xyz, Pf1.w)); |
|
||||||
float n1001 = dot(g1001, float4(Pf1.x, Pf0.yz, Pf1.w)); |
|
||||||
float n0101 = dot(g0101, float4(Pf0.x, Pf1.y, Pf0.z, Pf1.w)); |
|
||||||
float n1101 = dot(g1101, float4(Pf1.xy, Pf0.z, Pf1.w)); |
|
||||||
float n0011 = dot(g0011, float4(Pf0.xy, Pf1.zw)); |
|
||||||
float n1011 = dot(g1011, float4(Pf1.x, Pf0.y, Pf1.zw)); |
|
||||||
float n0111 = dot(g0111, float4(Pf0.x, Pf1.yzw)); |
|
||||||
float n1111 = dot(g1111, Pf1); |
|
||||||
|
|
||||||
float4 fade_xyzw = fade(Pf0); |
|
||||||
float4 n_0w = lerp(float4(n0000, n1000, n0100, n1100), float4(n0001, n1001, n0101, n1101), fade_xyzw.w); |
|
||||||
float4 n_1w = lerp(float4(n0010, n1010, n0110, n1110), float4(n0011, n1011, n0111, n1111), fade_xyzw.w); |
|
||||||
float4 n_zw = lerp(n_0w, n_1w, fade_xyzw.z); |
|
||||||
float2 n_yzw = lerp(n_zw.xy, n_zw.zw, fade_xyzw.y); |
|
||||||
float n_xyzw = lerp(n_yzw.x, n_yzw.y, fade_xyzw.x); |
|
||||||
return 2.2 * n_xyzw; |
|
||||||
} |
|
||||||
|
|
||||||
// Classic Perlin noise, periodic version |
|
||||||
float pnoise(float4 P, float4 rep) |
|
||||||
{ |
|
||||||
float4 Pi0 = mod(floor(P), rep); // Integer part modulo rep |
|
||||||
float4 Pi1 = mod(Pi0 + 1.0, rep); // Integer part + 1 mod rep |
|
||||||
Pi0 = mod289(Pi0); |
|
||||||
Pi1 = mod289(Pi1); |
|
||||||
float4 Pf0 = frac(P); // Fractional part for interpolation |
|
||||||
float4 Pf1 = Pf0 - 1.0; // Fractional part - 1.0 |
|
||||||
float4 ix = float4(Pi0.x, Pi1.x, Pi0.x, Pi1.x); |
|
||||||
float4 iy = float4(Pi0.yy, Pi1.yy); |
|
||||||
float4 iz0 = float4(Pi0.zzzz); |
|
||||||
float4 iz1 = float4(Pi1.zzzz); |
|
||||||
float4 iw0 = float4(Pi0.wwww); |
|
||||||
float4 iw1 = float4(Pi1.wwww); |
|
||||||
|
|
||||||
float4 ixy = permute(permute(ix) + iy); |
|
||||||
float4 ixy0 = permute(ixy + iz0); |
|
||||||
float4 ixy1 = permute(ixy + iz1); |
|
||||||
float4 ixy00 = permute(ixy0 + iw0); |
|
||||||
float4 ixy01 = permute(ixy0 + iw1); |
|
||||||
float4 ixy10 = permute(ixy1 + iw0); |
|
||||||
float4 ixy11 = permute(ixy1 + iw1); |
|
||||||
|
|
||||||
float4 gx00 = ixy00 * (1.0 / 7.0); |
|
||||||
float4 gy00 = floor(gx00) * (1.0 / 7.0); |
|
||||||
float4 gz00 = floor(gy00) * (1.0 / 6.0); |
|
||||||
gx00 = frac(gx00) - 0.5; |
|
||||||
gy00 = frac(gy00) - 0.5; |
|
||||||
gz00 = frac(gz00) - 0.5; |
|
||||||
float4 gw00 = float4(0.75) - abs(gx00) - abs(gy00) - abs(gz00); |
|
||||||
float4 sw00 = step(gw00, float4(0.0)); |
|
||||||
gx00 -= sw00 * (step(0.0, gx00) - 0.5); |
|
||||||
gy00 -= sw00 * (step(0.0, gy00) - 0.5); |
|
||||||
|
|
||||||
float4 gx01 = ixy01 * (1.0 / 7.0); |
|
||||||
float4 gy01 = floor(gx01) * (1.0 / 7.0); |
|
||||||
float4 gz01 = floor(gy01) * (1.0 / 6.0); |
|
||||||
gx01 = frac(gx01) - 0.5; |
|
||||||
gy01 = frac(gy01) - 0.5; |
|
||||||
gz01 = frac(gz01) - 0.5; |
|
||||||
float4 gw01 = float4(0.75) - abs(gx01) - abs(gy01) - abs(gz01); |
|
||||||
float4 sw01 = step(gw01, float4(0.0)); |
|
||||||
gx01 -= sw01 * (step(0.0, gx01) - 0.5); |
|
||||||
gy01 -= sw01 * (step(0.0, gy01) - 0.5); |
|
||||||
|
|
||||||
float4 gx10 = ixy10 * (1.0 / 7.0); |
|
||||||
float4 gy10 = floor(gx10) * (1.0 / 7.0); |
|
||||||
float4 gz10 = floor(gy10) * (1.0 / 6.0); |
|
||||||
gx10 = frac(gx10) - 0.5; |
|
||||||
gy10 = frac(gy10) - 0.5; |
|
||||||
gz10 = frac(gz10) - 0.5; |
|
||||||
float4 gw10 = float4(0.75) - abs(gx10) - abs(gy10) - abs(gz10); |
|
||||||
float4 sw10 = step(gw10, float4(0.0)); |
|
||||||
gx10 -= sw10 * (step(0.0, gx10) - 0.5); |
|
||||||
gy10 -= sw10 * (step(0.0, gy10) - 0.5); |
|
||||||
|
|
||||||
float4 gx11 = ixy11 * (1.0 / 7.0); |
|
||||||
float4 gy11 = floor(gx11) * (1.0 / 7.0); |
|
||||||
float4 gz11 = floor(gy11) * (1.0 / 6.0); |
|
||||||
gx11 = frac(gx11) - 0.5; |
|
||||||
gy11 = frac(gy11) - 0.5; |
|
||||||
gz11 = frac(gz11) - 0.5; |
|
||||||
float4 gw11 = float4(0.75) - abs(gx11) - abs(gy11) - abs(gz11); |
|
||||||
float4 sw11 = step(gw11, float4(0.0)); |
|
||||||
gx11 -= sw11 * (step(0.0, gx11) - 0.5); |
|
||||||
gy11 -= sw11 * (step(0.0, gy11) - 0.5); |
|
||||||
|
|
||||||
float4 g0000 = float4(gx00.x,gy00.x,gz00.x,gw00.x); |
|
||||||
float4 g1000 = float4(gx00.y,gy00.y,gz00.y,gw00.y); |
|
||||||
float4 g0100 = float4(gx00.z,gy00.z,gz00.z,gw00.z); |
|
||||||
float4 g1100 = float4(gx00.w,gy00.w,gz00.w,gw00.w); |
|
||||||
float4 g0010 = float4(gx10.x,gy10.x,gz10.x,gw10.x); |
|
||||||
float4 g1010 = float4(gx10.y,gy10.y,gz10.y,gw10.y); |
|
||||||
float4 g0110 = float4(gx10.z,gy10.z,gz10.z,gw10.z); |
|
||||||
float4 g1110 = float4(gx10.w,gy10.w,gz10.w,gw10.w); |
|
||||||
float4 g0001 = float4(gx01.x,gy01.x,gz01.x,gw01.x); |
|
||||||
float4 g1001 = float4(gx01.y,gy01.y,gz01.y,gw01.y); |
|
||||||
float4 g0101 = float4(gx01.z,gy01.z,gz01.z,gw01.z); |
|
||||||
float4 g1101 = float4(gx01.w,gy01.w,gz01.w,gw01.w); |
|
||||||
float4 g0011 = float4(gx11.x,gy11.x,gz11.x,gw11.x); |
|
||||||
float4 g1011 = float4(gx11.y,gy11.y,gz11.y,gw11.y); |
|
||||||
float4 g0111 = float4(gx11.z,gy11.z,gz11.z,gw11.z); |
|
||||||
float4 g1111 = float4(gx11.w,gy11.w,gz11.w,gw11.w); |
|
||||||
|
|
||||||
float4 norm00 = taylorInvSqrt(float4(dot(g0000, g0000), dot(g0100, g0100), dot(g1000, g1000), dot(g1100, g1100))); |
|
||||||
g0000 *= norm00.x; |
|
||||||
g0100 *= norm00.y; |
|
||||||
g1000 *= norm00.z; |
|
||||||
g1100 *= norm00.w; |
|
||||||
|
|
||||||
float4 norm01 = taylorInvSqrt(float4(dot(g0001, g0001), dot(g0101, g0101), dot(g1001, g1001), dot(g1101, g1101))); |
|
||||||
g0001 *= norm01.x; |
|
||||||
g0101 *= norm01.y; |
|
||||||
g1001 *= norm01.z; |
|
||||||
g1101 *= norm01.w; |
|
||||||
|
|
||||||
float4 norm10 = taylorInvSqrt(float4(dot(g0010, g0010), dot(g0110, g0110), dot(g1010, g1010), dot(g1110, g1110))); |
|
||||||
g0010 *= norm10.x; |
|
||||||
g0110 *= norm10.y; |
|
||||||
g1010 *= norm10.z; |
|
||||||
g1110 *= norm10.w; |
|
||||||
|
|
||||||
float4 norm11 = taylorInvSqrt(float4(dot(g0011, g0011), dot(g0111, g0111), dot(g1011, g1011), dot(g1111, g1111))); |
|
||||||
g0011 *= norm11.x; |
|
||||||
g0111 *= norm11.y; |
|
||||||
g1011 *= norm11.z; |
|
||||||
g1111 *= norm11.w; |
|
||||||
|
|
||||||
float n0000 = dot(g0000, Pf0); |
|
||||||
float n1000 = dot(g1000, float4(Pf1.x, Pf0.yzw)); |
|
||||||
float n0100 = dot(g0100, float4(Pf0.x, Pf1.y, Pf0.zw)); |
|
||||||
float n1100 = dot(g1100, float4(Pf1.xy, Pf0.zw)); |
|
||||||
float n0010 = dot(g0010, float4(Pf0.xy, Pf1.z, Pf0.w)); |
|
||||||
float n1010 = dot(g1010, float4(Pf1.x, Pf0.y, Pf1.z, Pf0.w)); |
|
||||||
float n0110 = dot(g0110, float4(Pf0.x, Pf1.yz, Pf0.w)); |
|
||||||
float n1110 = dot(g1110, float4(Pf1.xyz, Pf0.w)); |
|
||||||
float n0001 = dot(g0001, float4(Pf0.xyz, Pf1.w)); |
|
||||||
float n1001 = dot(g1001, float4(Pf1.x, Pf0.yz, Pf1.w)); |
|
||||||
float n0101 = dot(g0101, float4(Pf0.x, Pf1.y, Pf0.z, Pf1.w)); |
|
||||||
float n1101 = dot(g1101, float4(Pf1.xy, Pf0.z, Pf1.w)); |
|
||||||
float n0011 = dot(g0011, float4(Pf0.xy, Pf1.zw)); |
|
||||||
float n1011 = dot(g1011, float4(Pf1.x, Pf0.y, Pf1.zw)); |
|
||||||
float n0111 = dot(g0111, float4(Pf0.x, Pf1.yzw)); |
|
||||||
float n1111 = dot(g1111, Pf1); |
|
||||||
|
|
||||||
float4 fade_xyzw = fade(Pf0); |
|
||||||
float4 n_0w = lerp(float4(n0000, n1000, n0100, n1100), float4(n0001, n1001, n0101, n1101), fade_xyzw.w); |
|
||||||
float4 n_1w = lerp(float4(n0010, n1010, n0110, n1110), float4(n0011, n1011, n0111, n1111), fade_xyzw.w); |
|
||||||
float4 n_zw = lerp(n_0w, n_1w, fade_xyzw.z); |
|
||||||
float2 n_yzw = lerp(n_zw.xy, n_zw.zw, fade_xyzw.y); |
|
||||||
float n_xyzw = lerp(n_yzw.x, n_yzw.y, fade_xyzw.x); |
|
||||||
return 2.2 * n_xyzw; |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: 1dd8a94fd1cd7714ab6ea45bc0ca4fd6 |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,66 +0,0 @@ |
|||||||
#ifndef __NOISE_2D__ |
|
||||||
#define __NOISE_2D__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// |
|
||||||
// Description : Array and textureless GLSL 2D simplex noise function. |
|
||||||
// Author : Ian McEwan, Ashima Arts. |
|
||||||
// Maintainer : stegu |
|
||||||
// Lastmod : 20110822 (ijm) |
|
||||||
// License : Copyright (C) 2011 Ashima Arts. All rights reserved. |
|
||||||
// Distributed under the MIT License. See LICENSE file. |
|
||||||
// https://github.com/ashima/webgl-noise |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
// |
|
||||||
|
|
||||||
float snoise(float2 v) |
|
||||||
{ |
|
||||||
const float4 C = float4(0.211324865405187, // (3.0-sqrt(3.0))/6.0 |
|
||||||
0.366025403784439, // 0.5*(sqrt(3.0)-1.0) |
|
||||||
-0.577350269189626, // -1.0 + 2.0 * C.x |
|
||||||
0.024390243902439); // 1.0 / 41.0 |
|
||||||
// First corner |
|
||||||
float2 i = floor(v + dot(v, C.yy) ); |
|
||||||
float2 x0 = v - i + dot(i, C.xx); |
|
||||||
|
|
||||||
// Other corners |
|
||||||
float2 i1; |
|
||||||
//i1.x = step( x0.y, x0.x ); // x0.x > x0.y ? 1.0 : 0.0 |
|
||||||
//i1.y = 1.0 - i1.x; |
|
||||||
i1 = (x0.x > x0.y) ? float2(1.0, 0.0) : float2(0.0, 1.0); |
|
||||||
// x0 = x0 - 0.0 + 0.0 * C.xx ; |
|
||||||
// x1 = x0 - i1 + 1.0 * C.xx ; |
|
||||||
// x2 = x0 - 1.0 + 2.0 * C.xx ; |
|
||||||
float4 x12 = x0.xyxy + C.xxzz; |
|
||||||
x12.xy -= i1; |
|
||||||
|
|
||||||
// Permutations |
|
||||||
i = mod289(i); // Avoid truncation effects in permutation |
|
||||||
float3 p = permute( permute( i.y + float3(0.0, i1.y, 1.0 )) |
|
||||||
+ i.x + float3(0.0, i1.x, 1.0 )); |
|
||||||
|
|
||||||
float3 m = max(0.5 - float3(dot(x0,x0), dot(x12.xy,x12.xy), dot(x12.zw,x12.zw)), 0.0); |
|
||||||
m = m*m ; |
|
||||||
m = m*m ; |
|
||||||
|
|
||||||
// Gradients: 41 points uniformly over a line, mapped onto a diamond. |
|
||||||
// The ring size 17*17 = 289 is close to a multiple of 41 (41*7 = 287) |
|
||||||
|
|
||||||
float3 x = 2.0 * frac(p * C.www) - 1.0; |
|
||||||
float3 h = abs(x) - 0.5; |
|
||||||
float3 ox = floor(x + 0.5); |
|
||||||
float3 a0 = x - ox; |
|
||||||
|
|
||||||
// Normalise gradients implicitly by scaling m |
|
||||||
// Approximation of: m *= inversesqrt( a0*a0 + h*h ); |
|
||||||
m *= 1.79284291400159 - 0.85373472095314 * ( a0*a0 + h*h ); |
|
||||||
|
|
||||||
// Compute final noise value at P |
|
||||||
float3 g; |
|
||||||
g.x = a0.x * x0.x + h.x * x0.y; |
|
||||||
g.yz = a0.yz * x12.xz + h.yz * x12.yw; |
|
||||||
return 130.0 * dot(m, g); |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: dc4d13d9bf897e24e811156756e27090 |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,93 +0,0 @@ |
|||||||
#ifndef __NOISE_3D__ |
|
||||||
#define __NOISE_3D__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// |
|
||||||
// Description : Array and textureless GLSL 2D/3D/4D simplex |
|
||||||
// noise functions. |
|
||||||
// Author : Ian McEwan, Ashima Arts. |
|
||||||
// Maintainer : stegu |
|
||||||
// Lastmod : 20110822 (ijm) |
|
||||||
// License : Copyright (C) 2011 Ashima Arts. All rights reserved. |
|
||||||
// Distributed under the MIT License. See LICENSE file. |
|
||||||
// https://github.com/ashima/webgl-noise |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
// |
|
||||||
|
|
||||||
float snoise(float3 v) |
|
||||||
{ |
|
||||||
const float2 C = float2(1.0/6.0, 1.0/3.0) ; |
|
||||||
const float4 D = float4(0.0, 0.5, 1.0, 2.0); |
|
||||||
|
|
||||||
// First corner |
|
||||||
float3 i = floor(v + dot(v, C.yyy) ); |
|
||||||
float3 x0 = v - i + dot(i, C.xxx) ; |
|
||||||
|
|
||||||
// Other corners |
|
||||||
float3 g = step(x0.yzx, x0.xyz); |
|
||||||
float3 l = 1.0 - g; |
|
||||||
float3 i1 = min( g.xyz, l.zxy ); |
|
||||||
float3 i2 = max( g.xyz, l.zxy ); |
|
||||||
|
|
||||||
// x0 = x0 - 0.0 + 0.0 * C.xxx; |
|
||||||
// x1 = x0 - i1 + 1.0 * C.xxx; |
|
||||||
// x2 = x0 - i2 + 2.0 * C.xxx; |
|
||||||
// x3 = x0 - 1.0 + 3.0 * C.xxx; |
|
||||||
float3 x1 = x0 - i1 + C.xxx; |
|
||||||
float3 x2 = x0 - i2 + C.yyy; // 2.0*C.x = 1/3 = C.y |
|
||||||
float3 x3 = x0 - D.yyy; // -1.0+3.0*C.x = -0.5 = -D.y |
|
||||||
|
|
||||||
// Permutations |
|
||||||
i = mod289(i); |
|
||||||
float4 p = permute( permute( permute( |
|
||||||
i.z + float4(0.0, i1.z, i2.z, 1.0 )) |
|
||||||
+ i.y + float4(0.0, i1.y, i2.y, 1.0 )) |
|
||||||
+ i.x + float4(0.0, i1.x, i2.x, 1.0 )); |
|
||||||
|
|
||||||
// Gradients: 7x7 points over a square, mapped onto an octahedron. |
|
||||||
// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294) |
|
||||||
float n_ = 0.142857142857; // 1.0/7.0 |
|
||||||
float3 ns = n_ * D.wyz - D.xzx; |
|
||||||
|
|
||||||
float4 j = p - 49.0 * floor(p * ns.z * ns.z); // mod(p,7*7) |
|
||||||
|
|
||||||
float4 x_ = floor(j * ns.z); |
|
||||||
float4 y_ = floor(j - 7.0 * x_ ); // mod(j,N) |
|
||||||
|
|
||||||
float4 x = x_ *ns.x + ns.yyyy; |
|
||||||
float4 y = y_ *ns.x + ns.yyyy; |
|
||||||
float4 h = 1.0 - abs(x) - abs(y); |
|
||||||
|
|
||||||
float4 b0 = float4( x.xy, y.xy ); |
|
||||||
float4 b1 = float4( x.zw, y.zw ); |
|
||||||
|
|
||||||
//float4 s0 = float4(lessThan(b0,0.0))*2.0 - 1.0; |
|
||||||
//float4 s1 = float4(lessThan(b1,0.0))*2.0 - 1.0; |
|
||||||
float4 s0 = floor(b0)*2.0 + 1.0; |
|
||||||
float4 s1 = floor(b1)*2.0 + 1.0; |
|
||||||
float4 sh = -step(h, float4(0.0)); |
|
||||||
|
|
||||||
float4 a0 = b0.xzyw + s0.xzyw*sh.xxyy ; |
|
||||||
float4 a1 = b1.xzyw + s1.xzyw*sh.zzww ; |
|
||||||
|
|
||||||
float3 p0 = float3(a0.xy,h.x); |
|
||||||
float3 p1 = float3(a0.zw,h.y); |
|
||||||
float3 p2 = float3(a1.xy,h.z); |
|
||||||
float3 p3 = float3(a1.zw,h.w); |
|
||||||
|
|
||||||
//Normalise gradients |
|
||||||
float4 norm = taylorInvSqrt(float4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3))); |
|
||||||
p0 *= norm.x; |
|
||||||
p1 *= norm.y; |
|
||||||
p2 *= norm.z; |
|
||||||
p3 *= norm.w; |
|
||||||
|
|
||||||
// Mix final noise value |
|
||||||
float4 m = max(0.6 - float4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0); |
|
||||||
m = m * m; |
|
||||||
return 42.0 * dot( m*m, float4( dot(p0,x0), dot(p1,x1), |
|
||||||
dot(p2,x2), dot(p3,x3) ) ); |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: 57958dda2d526f4468d4d3fe372c1f27 |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,101 +0,0 @@ |
|||||||
#ifndef __NOISE_3D_GRAD__ |
|
||||||
#define __NOISE_3D_GRAD__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// |
|
||||||
// Description : Array and textureless GLSL 2D/3D/4D simplex |
|
||||||
// noise functions. |
|
||||||
// Author : Ian McEwan, Ashima Arts. |
|
||||||
// Maintainer : stegu |
|
||||||
// Lastmod : 20110822 (ijm) |
|
||||||
// License : Copyright (C) 2011 Ashima Arts. All rights reserved. |
|
||||||
// Distributed under the MIT License. See LICENSE file. |
|
||||||
// https://github.com/ashima/webgl-noise |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
// |
|
||||||
|
|
||||||
float snoise(float3 v, out float3 gradient) |
|
||||||
{ |
|
||||||
const float2 C = float2(1.0/6.0, 1.0/3.0) ; |
|
||||||
const float4 D = float4(0.0, 0.5, 1.0, 2.0); |
|
||||||
|
|
||||||
// First corner |
|
||||||
float3 i = floor(v + dot(v, C.yyy) ); |
|
||||||
float3 x0 = v - i + dot(i, C.xxx) ; |
|
||||||
|
|
||||||
// Other corners |
|
||||||
float3 g = step(x0.yzx, x0.xyz); |
|
||||||
float3 l = 1.0 - g; |
|
||||||
float3 i1 = min( g.xyz, l.zxy ); |
|
||||||
float3 i2 = max( g.xyz, l.zxy ); |
|
||||||
|
|
||||||
// x0 = x0 - 0.0 + 0.0 * C.xxx; |
|
||||||
// x1 = x0 - i1 + 1.0 * C.xxx; |
|
||||||
// x2 = x0 - i2 + 2.0 * C.xxx; |
|
||||||
// x3 = x0 - 1.0 + 3.0 * C.xxx; |
|
||||||
float3 x1 = x0 - i1 + C.xxx; |
|
||||||
float3 x2 = x0 - i2 + C.yyy; // 2.0*C.x = 1/3 = C.y |
|
||||||
float3 x3 = x0 - D.yyy; // -1.0+3.0*C.x = -0.5 = -D.y |
|
||||||
|
|
||||||
// Permutations |
|
||||||
i = mod289(i); |
|
||||||
float4 p = permute( permute( permute( |
|
||||||
i.z + float4(0.0, i1.z, i2.z, 1.0 )) |
|
||||||
+ i.y + float4(0.0, i1.y, i2.y, 1.0 )) |
|
||||||
+ i.x + float4(0.0, i1.x, i2.x, 1.0 )); |
|
||||||
|
|
||||||
// Gradients: 7x7 points over a square, mapped onto an octahedron. |
|
||||||
// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294) |
|
||||||
float n_ = 0.142857142857; // 1.0/7.0 |
|
||||||
float3 ns = n_ * D.wyz - D.xzx; |
|
||||||
|
|
||||||
float4 j = p - 49.0 * floor(p * ns.z * ns.z); // mod(p,7*7) |
|
||||||
|
|
||||||
float4 x_ = floor(j * ns.z); |
|
||||||
float4 y_ = floor(j - 7.0 * x_ ); // mod(j,N) |
|
||||||
|
|
||||||
float4 x = x_ *ns.x + ns.yyyy; |
|
||||||
float4 y = y_ *ns.x + ns.yyyy; |
|
||||||
float4 h = 1.0 - abs(x) - abs(y); |
|
||||||
|
|
||||||
float4 b0 = float4( x.xy, y.xy ); |
|
||||||
float4 b1 = float4( x.zw, y.zw ); |
|
||||||
|
|
||||||
//float4 s0 = float4(lessThan(b0,0.0))*2.0 - 1.0; |
|
||||||
//float4 s1 = float4(lessThan(b1,0.0))*2.0 - 1.0; |
|
||||||
float4 s0 = floor(b0)*2.0 + 1.0; |
|
||||||
float4 s1 = floor(b1)*2.0 + 1.0; |
|
||||||
float4 sh = -step(h, float4(0, 0, 0, 0)); |
|
||||||
|
|
||||||
float4 a0 = b0.xzyw + s0.xzyw*sh.xxyy ; |
|
||||||
float4 a1 = b1.xzyw + s1.xzyw*sh.zzww ; |
|
||||||
|
|
||||||
float3 p0 = float3(a0.xy,h.x); |
|
||||||
float3 p1 = float3(a0.zw,h.y); |
|
||||||
float3 p2 = float3(a1.xy,h.z); |
|
||||||
float3 p3 = float3(a1.zw,h.w); |
|
||||||
|
|
||||||
//Normalise gradients |
|
||||||
float4 norm = taylorInvSqrt(float4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3))); |
|
||||||
p0 *= norm.x; |
|
||||||
p1 *= norm.y; |
|
||||||
p2 *= norm.z; |
|
||||||
p3 *= norm.w; |
|
||||||
|
|
||||||
// Mix final noise value |
|
||||||
float4 m = max(0.6 - float4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0); |
|
||||||
float4 m2 = m * m; |
|
||||||
float4 m4 = m2 * m2; |
|
||||||
float4 pdotx = float4(dot(p0,x0), dot(p1,x1), dot(p2,x2), dot(p3,x3)); |
|
||||||
|
|
||||||
// Determine noise gradient |
|
||||||
float4 temp = m2 * m * pdotx; |
|
||||||
gradient = -8.0 * (temp.x * x0 + temp.y * x1 + temp.z * x2 + temp.w * x3); |
|
||||||
gradient += m4.x * p0 + m4.y * p1 + m4.z * p2 + m4.w * p3; |
|
||||||
gradient *= 42.0; |
|
||||||
|
|
||||||
return 42.0 * dot(m4, pdotx); |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: f71fd4322ebeb1b449257aef7f8856f6 |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,110 +0,0 @@ |
|||||||
#ifndef __NOISE_4D__ |
|
||||||
#define __NOISE_4D__ |
|
||||||
|
|
||||||
#include "noiseMath.cginc" |
|
||||||
|
|
||||||
// |
|
||||||
// Description : Array and textureless GLSL 2D/3D/4D simplex |
|
||||||
// noise functions. |
|
||||||
// Author : Ian McEwan, Ashima Arts. |
|
||||||
// Maintainer : stegu |
|
||||||
// Lastmod : 20110822 (ijm) |
|
||||||
// License : Copyright (C) 2011 Ashima Arts. All rights reserved. |
|
||||||
// Distributed under the MIT License. See LICENSE file. |
|
||||||
// https://github.com/ashima/webgl-noise |
|
||||||
// https://github.com/stegu/webgl-noise |
|
||||||
// |
|
||||||
|
|
||||||
float4 grad4(float j, float4 ip) |
|
||||||
{ |
|
||||||
const float4 ones = float4(1.0, 1.0, 1.0, -1.0); |
|
||||||
float4 p, s; |
|
||||||
|
|
||||||
p.xyz = floor( frac (float3(j) * ip.xyz) * 7.0) * ip.z - 1.0; |
|
||||||
p.w = 1.5 - dot(abs(p.xyz), ones.xyz); |
|
||||||
s = float4(lessThan(p, float4(0.0))); |
|
||||||
p.xyz = p.xyz + (s.xyz*2.0 - 1.0) * s.www; |
|
||||||
|
|
||||||
return p; |
|
||||||
} |
|
||||||
|
|
||||||
float snoise(float4 v) |
|
||||||
{ |
|
||||||
// (sqrt(5) - 1)/4 = F4, used once below |
|
||||||
const float F4 = 0.309016994374947451; |
|
||||||
const float4 C = float4( 0.138196601125011, // (5 - sqrt(5))/20 G4 |
|
||||||
0.276393202250021, // 2 * G4 |
|
||||||
0.414589803375032, // 3 * G4 |
|
||||||
-0.447213595499958); // -1 + 4 * G4 |
|
||||||
|
|
||||||
// First corner |
|
||||||
float4 i = floor(v + dot(v, float4(F4)) ); |
|
||||||
float4 x0 = v - i + dot(i, C.xxxx); |
|
||||||
|
|
||||||
// Other corners |
|
||||||
|
|
||||||
// Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI) |
|
||||||
float4 i0; |
|
||||||
float3 isX = step( x0.yzw, x0.xxx ); |
|
||||||
float3 isYZ = step( x0.zww, x0.yyz ); |
|
||||||
// i0.x = dot( isX, float3( 1.0 ) ); |
|
||||||
i0.x = isX.x + isX.y + isX.z; |
|
||||||
i0.yzw = 1.0 - isX; |
|
||||||
// i0.y += dot( isYZ.xy, float2( 1.0 ) ); |
|
||||||
i0.y += isYZ.x + isYZ.y; |
|
||||||
i0.zw += 1.0 - isYZ.xy; |
|
||||||
i0.z += isYZ.z; |
|
||||||
i0.w += 1.0 - isYZ.z; |
|
||||||
|
|
||||||
// i0 now contains the unique values 0,1,2,3 in each channel |
|
||||||
float4 i3 = clamp( i0, 0.0, 1.0 ); |
|
||||||
float4 i2 = clamp( i0-1.0, 0.0, 1.0 ); |
|
||||||
float4 i1 = clamp( i0-2.0, 0.0, 1.0 ); |
|
||||||
|
|
||||||
// x0 = x0 - 0.0 + 0.0 * C.xxxx |
|
||||||
// x1 = x0 - i1 + 1.0 * C.xxxx |
|
||||||
// x2 = x0 - i2 + 2.0 * C.xxxx |
|
||||||
// x3 = x0 - i3 + 3.0 * C.xxxx |
|
||||||
// x4 = x0 - 1.0 + 4.0 * C.xxxx |
|
||||||
float4 x1 = x0 - i1 + C.xxxx; |
|
||||||
float4 x2 = x0 - i2 + C.yyyy; |
|
||||||
float4 x3 = x0 - i3 + C.zzzz; |
|
||||||
float4 x4 = x0 + C.wwww; |
|
||||||
|
|
||||||
// Permutations |
|
||||||
i = mod289(i); |
|
||||||
float j0 = permute( permute( permute( permute(i.w) + i.z) + i.y) + i.x); |
|
||||||
float4 j1 = permute( permute( permute( permute ( |
|
||||||
i.w + float4(i1.w, i2.w, i3.w, 1.0 )) |
|
||||||
+ i.z + float4(i1.z, i2.z, i3.z, 1.0 )) |
|
||||||
+ i.y + float4(i1.y, i2.y, i3.y, 1.0 )) |
|
||||||
+ i.x + float4(i1.x, i2.x, i3.x, 1.0 )); |
|
||||||
|
|
||||||
// Gradients: 7x7x6 points over a cube, mapped onto a 4-cross polytope |
|
||||||
// 7*7*6 = 294, which is close to the ring size 17*17 = 289. |
|
||||||
float4 ip = float4(1.0/294.0, 1.0/49.0, 1.0/7.0, 0.0) ; |
|
||||||
|
|
||||||
float4 p0 = grad4(j0, ip); |
|
||||||
float4 p1 = grad4(j1.x, ip); |
|
||||||
float4 p2 = grad4(j1.y, ip); |
|
||||||
float4 p3 = grad4(j1.z, ip); |
|
||||||
float4 p4 = grad4(j1.w, ip); |
|
||||||
|
|
||||||
// Normalise gradients |
|
||||||
float4 norm = taylorInvSqrt(float4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3))); |
|
||||||
p0 *= norm.x; |
|
||||||
p1 *= norm.y; |
|
||||||
p2 *= norm.z; |
|
||||||
p3 *= norm.w; |
|
||||||
p4 *= taylorInvSqrt(dot(p4,p4)); |
|
||||||
|
|
||||||
// Mix contributions from the five corners |
|
||||||
float3 m0 = max(0.6 - float3(dot(x0,x0), dot(x1,x1), dot(x2,x2)), 0.0); |
|
||||||
float2 m1 = max(0.6 - float2(dot(x3,x3), dot(x4,x4) ), 0.0); |
|
||||||
m0 = m0 * m0; |
|
||||||
m1 = m1 * m1; |
|
||||||
return 49.0 * ( dot(m0*m0, float3( dot( p0, x0 ), dot( p1, x1 ), dot( p2, x2 ))) |
|
||||||
+ dot(m1*m1, float2( dot( p3, x3 ), dot( p4, x4 ) ) ) ) ; |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,10 +0,0 @@ |
|||||||
fileFormatVersion: 2 |
|
||||||
guid: 098c1c0087563154b884b2b3de5b3309 |
|
||||||
timeCreated: 1511764501 |
|
||||||
licenseType: Free |
|
||||||
ShaderImporter: |
|
||||||
externalObjects: {} |
|
||||||
defaultTextures: [] |
|
||||||
userData: |
|
||||||
assetBundleName: |
|
||||||
assetBundleVariant: |
|
||||||
@ -1,63 +0,0 @@ |
|||||||
#ifndef __NOISE_MATH__ |
|
||||||
#define __NOISE_MATH__ |
|
||||||
|
|
||||||
// Modulo 289 without a division (only multiplications) |
|
||||||
float mod289(float x) { |
|
||||||
return x - floor(x * (1.0 / 289.0)) * 289.0; |
|
||||||
} |
|
||||||
|
|
||||||
float2 mod289(float2 x) { |
|
||||||
return x - floor(x * (1.0 / 289.0)) * 289.0; |
|
||||||
} |
|
||||||
|
|
||||||
float3 mod289(float3 x) { |
|
||||||
return x - floor(x * (1.0 / 289.0)) * 289.0; |
|
||||||
} |
|
||||||
|
|
||||||
float4 mod289(float4 x) { |
|
||||||
return x - floor(x * (1.0 / 289.0)) * 289.0; |
|
||||||
} |
|
||||||
|
|
||||||
// Modulo 7 without a division |
|
||||||
float3 mod7(float3 x) { |
|
||||||
return x - floor(x * (1.0 / 7.0)) * 7.0; |
|
||||||
} |
|
||||||
|
|
||||||
float4 mod7(float4 x) { |
|
||||||
return x - floor(x * (1.0 / 7.0)) * 7.0; |
|
||||||
} |
|
||||||
|
|
||||||
// Permutation polynomial: (34x^2 + x) mod 289 |
|
||||||
float permute(float x) { |
|
||||||
return mod289(((x*34.0) + 1.0)*x); |
|
||||||
} |
|
||||||
|
|
||||||
float3 permute(float3 x) { |
|
||||||
return mod289((34.0 * x + 1.0) * x); |
|
||||||
} |
|
||||||
|
|
||||||
float4 permute(float4 x) { |
|
||||||
return mod289((34.0 * x + 1.0) * x); |
|
||||||
} |
|
||||||
|
|
||||||
float taylorInvSqrt(float r) { |
|
||||||
return 1.79284291400159 - 0.85373472095314 * r; |
|
||||||
} |
|
||||||
|
|
||||||
float4 taylorInvSqrt(float4 r) { |
|
||||||
return 1.79284291400159 - 0.85373472095314 * r; |
|
||||||
} |
|
||||||
|
|
||||||
float2 fade(float2 t) { |
|
||||||
return t*t*t*(t*(t*6.0 - 15.0) + 10.0); |
|
||||||
} |
|
||||||
|
|
||||||
float3 fade(float3 t) { |
|
||||||
return t*t*t*(t*(t*6.0 - 15.0) + 10.0); |
|
||||||
} |
|
||||||
|
|
||||||
float4 fade(float4 t) { |
|
||||||
return t*t*t*(t*(t*6.0 - 15.0) + 10.0); |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
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Reference in new issue