correct spout homo and refine performance

8 years ago · fc84400773
parent b3e32dd017
commit fc84400773
17 changed files with 2644 additions and 145 deletions
--- a/Frozen.avc
+++ b/Frozen.avc
--- a/Unity_2018_Frozen/Assets/Frozen/CosineGradient.asset
+++ b/Unity_2018_Frozen/Assets/Frozen/CosineGradient.asset
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--- a/Unity_2018_Frozen/Assets/Frozen/Frozen.unity
+++ b/Unity_2018_Frozen/Assets/Frozen/Frozen.unity
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--- a/Unity_2018_Frozen/Assets/Frozen/Material/Point.mat
+++ b/Unity_2018_Frozen/Assets/Frozen/Material/Point.mat
@ -81,7 +81,7 @@ Material:
    - _Mode: 0
    - _OcclusionStrength: 1
    - _Parallax: 0.02
-    - _Size: 0.005
+    - _Size: 0.0164
    - _SmoothnessTextureChannel: 0
    - _SoftParticlesEnabled: 0
    - _SoftParticlesFarFadeDistance: 1
--- a/Unity_2018_Frozen/Assets/Frozen/PostProcessingProfile.asset
+++ b/Unity_2018_Frozen/Assets/Frozen/PostProcessingProfile.asset
@ -45,7 +45,7 @@ MonoBehaviour:
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    value: 0
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@ -123,10 +123,10 @@ MonoBehaviour:
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--- a/Unity_2018_Frozen/Assets/Frozen/Script/SnowflakeParticleUpdater.cs
+++ b/Unity_2018_Frozen/Assets/Frozen/Script/SnowflakeParticleUpdater.cs
@ -88,7 +88,7 @@ namespace UltraCombos.Frozen
            {
                shader.SetFloat("timeStep", time_step);
                shader.SetFloat("timeValue", Utilities.GetTimeValue());
-                shader.SetInt("home_count", kinectOpticalFlow.HomeCount);
+                //shader.SetInt("home_count", kinectOpticalFlow.HomeCount);
                shader.SetFloat("bufferCount", particleBuffer.count);

                if (cosineGradient != null)
@ -105,6 +105,7 @@ namespace UltraCombos.Frozen

                shader.SetBuffer(0, particleBuffer.bufferName, particleBuffer.obj);
                shader.SetBuffer(0, uniformBuffer.bufferName, uniformBuffer.obj);
+                shader.SetBuffer(0, "home_count_buffer", kinectOpticalFlow.HomeCountBuffer);
                shader.SetBuffer(0, "home_position_buffer", kinectOpticalFlow.HomePositionBuffer);
                shader.SetBuffer(0, "home_velocity_buffer", kinectOpticalFlow.HomeVelocityBuffer);
                shader.SetBuffer(0, "fluid_velocity_buffer", smokeFluidSim.VelocityBuffer);
--- a/Unity_2018_Frozen/Assets/Frozen/Script/SpaceHomography.cs
+++ b/Unity_2018_Frozen/Assets/Frozen/Script/SpaceHomography.cs
@ -0,0 +1,191 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class SpaceHomography : MonoBehaviour
+{
+    public Vector3 space;
+
+    Matrix4x4 front_homo;
+    Matrix4x4 left_homo;
+    Matrix4x4 right_homo;
+
+    Vector2 texture_size;
+
+    private void Start()
+    {
+        float dim = space.x + space.z * 2.0f;
+        //Vector2 canvas_size = new Vector2(space.x + space.z * 2.0f, space.y + space.z * 2.0f);
+        //Vector2 clipped_size = new Vector2(space.x, 3200);
+        var rt = GetComponent<Camera>().targetTexture;
+        texture_size = new Vector2(rt.width, rt.height);
+
+        float offset = 0.5f;
+        var src = new List<Vector2>();
+        var dst = new List<Vector2>();
+
+        // front
+        {
+            src.Clear();
+            src.Add(new Vector2(0, 0));
+            src.Add(new Vector2(dim, 0));
+            src.Add(new Vector2(space.z, space.z));
+            src.Add(new Vector2(space.z + space.x, space.z));
+            for (int i = 0; i < src.Count; i++)
+                src[i] += Vector2.one * offset;
+
+            dst.Clear();
+            dst.Add(new Vector2(space.z, 0));
+            dst.Add(new Vector2(space.z + space.x, 0));
+            dst.Add(new Vector2(space.z, space.z));
+            dst.Add(new Vector2(space.z + space.x, space.z));
+            for (int i = 0; i < dst.Count; i++)
+                dst[i] += Vector2.one * offset;
+
+            front_homo = Matrix4x4.identity;
+            FindHomography(dst.ToArray(), src.ToArray(), ref front_homo);
+        }
+
+        // left
+        {
+            src.Clear();
+            src.Add(new Vector2(0, 0));
+            src.Add(new Vector2(0, dim));
+            src.Add(new Vector2(space.z, space.z));
+            src.Add(new Vector2(space.z, space.z + space.x));
+            for (int i = 0; i < src.Count; i++)
+                src[i] += Vector2.one * offset;
+
+            dst.Clear();
+            dst.Add(new Vector2(0, space.z));
+            dst.Add(new Vector2(0, space.z + space.x));
+            dst.Add(new Vector2(space.z, space.z));
+            dst.Add(new Vector2(space.z, space.z + space.x));
+            for (int i = 0; i < dst.Count; i++)
+                dst[i] += Vector2.one * offset;
+
+            left_homo = Matrix4x4.identity;
+            FindHomography(dst.ToArray(), src.ToArray(), ref left_homo);
+        }
+
+        // right
+        {
+            src.Clear();
+            src.Add(new Vector2(dim, 0));
+            src.Add(new Vector2(dim, dim));
+            src.Add(new Vector2(space.z + space.x, space.z));
+            src.Add(new Vector2(space.z + space.x, space.z + space.x));
+            for (int i = 0; i < src.Count; i++)
+                src[i] += Vector2.one * offset;
+
+            dst.Clear();
+            dst.Add(new Vector2(dim, space.z));
+            dst.Add(new Vector2(dim, space.z + space.x));
+            dst.Add(new Vector2(space.z + space.x, space.z));
+            dst.Add(new Vector2(space.z + space.x, space.z + space.x));
+            for (int i = 0; i < dst.Count; i++)
+                dst[i] += Vector2.one * offset;
+
+            right_homo = Matrix4x4.identity;
+            FindHomography(dst.ToArray(), src.ToArray(), ref right_homo);
+        }
+    }
+
+    private void Update()
+    {
+        Shader.SetGlobalMatrix("front_homo", front_homo);
+        Shader.SetGlobalMatrix("left_homo", left_homo);
+        Shader.SetGlobalMatrix("right_homo", right_homo);
+        Shader.SetGlobalVector("homo_space", space);
+        Shader.SetGlobalVector("texture_size", texture_size);
+    }
+
+    void FindHomography(Vector2[] src, Vector2[] dest, ref Matrix4x4 homography)
+    {
+
+        float[,] P = new float[,]{
+        {-src[0].x, -src[0].y, -1,   0,   0,  0, src[0].x*dest[0].x, src[0].y*dest[0].x, -dest[0].x }, // h11  
+        {  0,   0,  0, -src[0].x, -src[0].y, -1, src[0].x*dest[0].y, src[0].y*dest[0].y, -dest[0].y }, // h12  
+          
+        {-src[1].x, -src[1].y, -1,   0,   0,  0, src[1].x*dest[1].x, src[1].y*dest[1].x, -dest[1].x }, // h13  
+        {  0,   0,  0, -src[1].x, -src[1].y, -1, src[1].x*dest[1].y, src[1].y*dest[1].y, -dest[1].y }, // h21  
+          
+        {-src[2].x, -src[2].y, -1,   0,   0,  0, src[2].x*dest[2].x, src[2].y*dest[2].x, -dest[2].x }, // h22  
+        {  0,   0,  0, -src[2].x, -src[2].y, -1, src[2].x*dest[2].y, src[2].y*dest[2].y, -dest[2].y }, // h23  
+          
+        {-src[3].x, -src[3].y, -1,   0,   0,  0, src[3].x*dest[3].x, src[3].y*dest[3].x, -dest[3].x }, // h31  
+        {  0,   0,  0, -src[3].x, -src[3].y, -1, src[3].x*dest[3].y, src[3].y*dest[3].y, -dest[3].y }, // h32  
+    	};
+
+        GaussianElimination(ref P, 9);
+
+        float[] aux_H ={ P[0,8],P[3,8],0,P[6,8], // h11  h21 0 h31  
+	                     P[1,8],P[4,8],0,P[7,8], // h12  h22 0 h32  
+	                     0      ,      0,1,0,    // 0    0   0 0  
+	                     P[2,8],P[5,8],0,1};     // h13  h23 0 h33  
+
+        for (int i = 0; i < 16; i++) homography[i] = aux_H[i];
+
+    }
+
+    void GaussianElimination(ref float[,] A, int n)
+    {
+
+        int i = 0;
+        int j = 0;
+        int m = n - 1;
+        while (i < m && j < n)
+        {
+
+            int maxi = i;
+            for (int k = i + 1; k < m; k++)
+            {
+                if (Mathf.Abs(A[k, j]) > Mathf.Abs(A[maxi, j]))
+                {
+                    maxi = k;
+                }
+            }
+            if (A[maxi, j] != 0)
+            {
+
+                if (i != maxi)
+                    for (int k = 0; k < n; k++)
+                    {
+                        float aux = A[i, k];
+                        A[i, k] = A[maxi, k];
+                        A[maxi, k] = aux;
+                    }
+
+                float A_ij = A[i, j];
+                for (int k = 0; k < n; k++)
+                {
+                    A[i, k] /= A_ij;
+                }
+
+                for (int u = i + 1; u < m; u++)
+                {
+
+                    float A_uj = A[u, j];
+                    for (int k = 0; k < n; k++)
+                    {
+                        A[u, k] -= A_uj * A[i, k];
+                    }
+
+                }
+
+                i++;
+            }
+            j++;
+        }
+        for (int k = m - 2; k >= 0; k--)
+        {
+            for (int l = k + 1; l < n - 1; l++)
+            {
+                A[k, m] -= A[k, l] * A[l, m];
+
+            }
+        }
+    }
+
+
+}
--- a/Unity_2018_Frozen/Assets/Frozen/Script/SpaceHomography.cs.meta
+++ b/Unity_2018_Frozen/Assets/Frozen/Script/SpaceHomography.cs.meta
@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 7cf1e6cce802d3c49a437b3125a95960
+timeCreated: 1523516889
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Unity_2018_Frozen/Assets/Frozen/Shader/FrozenParticleUnlitPoint.shader
+++ b/Unity_2018_Frozen/Assets/Frozen/Shader/FrozenParticleUnlitPoint.shader
@ -2,10 +2,8 @@
 {
 	Properties
 	{
-		_Color("Color", Color) = (1,1,1,1)
-		_MainTex("Albedo (RGB)", 2D) = "white" {}
 		_Emission("Emission", Range(0, 5)) = 0.0
-		_Size("Size", Range(0, 1)) = 0.1
+		_Size("Size", Range(0.0, 0.1)) = 0.01
 	}
 	
 	SubShader
@ -29,18 +27,17 @@
 			struct v2g
 			{
 				float4 vertex : SV_POSITION;
+				float4 color : COLOR;
 			};

 			struct g2f
 			{
 				float4 vertex : SV_POSITION;
 				float2 uv : TEXCOORD;
+				float4 color : COLOR;
 				UNITY_FOG_COORDS(1)
 			};

-			sampler2D _MainTex;
-			float4 _MainTex_ST;
-
 			fixed4 _Color;
 			half _Emission;
 			half _Size;
@ -56,19 +53,21 @@
 #ifdef SHADER_API_D3D11
 				o.vertex = mul(model_matrix, float4(ssbo[vid].position, 1.0));
 				o.vertex.w = ssbo[vid].life;
+				o.color = ssbo[vid].color;
 #endif
 				return o;
 			}

-			[maxvertexcount(6)]
+			[maxvertexcount(4)]
 			void geom(point v2g input[1], inout TriangleStream<g2f> OutputStream)
 			{
 				float3 position = input[0].vertex.xyz;
 				position = UnityObjectToViewPos(position);
 				float size = _Size * pow(saturate(1.0f - input[0].vertex.w), 1.0f / 2.2f);
-				const int side = 4;
-				float3 vertices[side];
-				float2 uvs[side];
+				const int side = 3;
+
+				g2f o = (g2f)0;
+				o.color = input[0].color;

 				float delta_a = UNITY_PI * 2.0f / side;
 				for (int i = 0; i < side; i++)
@ -76,36 +75,20 @@
 					float a = delta_a * i;
 					float x = cos(-a);
 					float y = sin(-a);
-					vertices[i] = position + float3(x * size, y * size, 0);
-					uvs[i] = float2(x, y) * 0.5f + 0.5f;
-				}
-
-				g2f o = (g2f)0;
-
-				int index;
-				for (int k = 0; k < side - 2; k++)
-				{
-					for (int j = 0; j < 3; j++)
-					{
-						index = (j == 0) ? 0 : (k + j);

-						o.vertex = mul(UNITY_MATRIX_P, float4(vertices[index], 1.0f));
-						o.uv = TRANSFORM_TEX(uvs[index], _MainTex);
-						UNITY_TRANSFER_FOG(o, o.vertex);
-						OutputStream.Append(o);
-					}
-
-					OutputStream.RestartStrip();
+					o.vertex = mul(UNITY_MATRIX_P, float4(position + float3(x * size, y * size, 0), 1.0f));
+					o.uv = float2(x, y);
+					UNITY_TRANSFER_FOG(o, o.vertex);
+					OutputStream.Append(o);
 				}
-
+				OutputStream.RestartStrip();
 			}

 			fixed4 frag(g2f i) : SV_Target
 			{
-				clip(0.5f / sqrt(2.0f) - length(i.uv - float2(0.5f, 0.5f)));
+				clip(0.5f / sqrt(2.0f) - length(i.uv));

-				fixed4 col = tex2D(_MainTex, i.uv) * _Color;
-				//fixed4 col = _Color;
+				fixed4 col = i.color;
 				col.rgb *= 1 + _Emission;
 				UNITY_APPLY_FOG(i.fogCoord, col);
 				return col;
--- a/Unity_2018_Frozen/Assets/Frozen/Shader/SnowflakeParticleUpdate.compute
+++ b/Unity_2018_Frozen/Assets/Frozen/Shader/SnowflakeParticleUpdate.compute
@ -10,7 +10,7 @@ CBUFFER_START(Variables)
 	float timeStep;
 	float timeValue;
 	float bufferCount;
-	int home_count;
+	//int home_count;
 	float3 coeffsA;
 	float3 coeffsB;
 	float3 coeffsC; 
@ -22,13 +22,15 @@ CBUFFER_END

 RWStructuredBuffer<Particle> ssbo;
 RWStructuredBuffer<ParticleUniforms> uniform_buffer;
-RWStructuredBuffer<float4> home_position_buffer;
-RWStructuredBuffer<float4> home_velocity_buffer;
-RWStructuredBuffer<float3> fluid_velocity_buffer;
+StructuredBuffer<int> home_count_buffer;
+StructuredBuffer<float4> home_position_buffer;
+StructuredBuffer<float4> home_velocity_buffer;
+StructuredBuffer<float3> fluid_velocity_buffer;

 [numthreads(WORK_GROUP_SIZE, 1, 1)]
 void CSMain(uint3 id : SV_DispatchThreadID)
 {
+	int home_count = home_count_buffer[0];
 	uint idx = id.x;
 	Particle p = ssbo[idx];
 	float4 home_position = (home_count > 0) ? home_position_buffer[p.seed * home_count] : float4(0, 0, 0, 1);
--- a/Unity_2018_Frozen/Assets/Frozen/Shader/SpaceMapping.shader
+++ b/Unity_2018_Frozen/Assets/Frozen/Shader/SpaceMapping.shader
@ -0,0 +1,101 @@
+Shader "Frozen/SpaceMapping"
+{
+	Properties
+	{
+		_MainTex ("Texture", 2D) = "white" {}
+		yFlip ("display name", Int) = 0
+	}
+	SubShader
+	{
+		Tags { "RenderType"="Opeque" }
+		LOD 100
+		//Blend One Zero
+		Blend One OneMinusSrcAlpha
+		
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			// make fog work
+			#pragma multi_compile_fog
+			
+			#include "UnityCG.cginc"
+
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			struct v2f
+			{
+				float4 vertex : SV_POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			sampler2D _MainTex;
+			float4 _MainTex_ST;
+			int yFlip;
+
+			v2f vert (appdata v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+				return o;
+			}
+			
+			float4x4 front_homo;
+			float4x4 left_homo;
+			float4x4 right_homo;
+			float3 homo_space;
+			float2 texture_size;
+
+			fixed4 frag (v2f i) : SV_Target
+			{
+				float2 uv = i.uv;
+				//if (yFlip == 1) uv = i.uv * float2(1.0, -1.0) + float2(0.0, 1.0);
+				fixed4 col = tex2D(_MainTex, uv);
+				col.rgb *= col.a;
+			
+				const float3 space = homo_space;
+				//const float2 size = float2(space.x + space.z * 2.0, space.y + space.z * 2.0);
+				//const float dim = space.x + space.z * 2.0;
+				const float2 clipped_size = texture_size;
+
+				float2 pos = uv * clipped_size;
+				
+				if (pos.y <= space.z)
+				{
+					float4 homo_pos = mul(front_homo, float4(pos, 0, 1));
+					pos = homo_pos.xy / homo_pos.w;
+
+					//if (pos.x < space.z || pos.x > space.z + space.x) pos = float2(clipped_size.x * 0.5, clipped_size.y);
+				}
+				else if (pos.x <= space.z)
+				{
+					float4 homo_pos = mul(left_homo, float4(pos, 0, 1));
+					pos = homo_pos.xy / homo_pos.w;
+				}
+				else if (pos.x >= space.z + space.x)
+				{
+					float4 homo_pos = mul(right_homo, float4(pos, 0, 1));
+					pos = homo_pos.xy / homo_pos.w;
+				}
+
+				
+				uv = pos / clipped_size;
+				if (yFlip == 1) uv = uv * float2(1.0, -1.0) + float2(0.0, 1.0);
+				col = tex2D(_MainTex, uv);
+
+				//col = tex2D(_MainTex, i.uv * float2(1.0, -1.0) + float2(0.0, 1.0));
+
+				//col = float4(i.uv, 0.0, 1.0);
+
+				return col;
+			}
+			ENDCG
+		}
+	}
+}
--- a/Unity_2018_Frozen/Assets/Frozen/Shader/SpaceMapping.shader.meta
+++ b/Unity_2018_Frozen/Assets/Frozen/Shader/SpaceMapping.shader.meta
@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 499c23f758325064e88cd0632bcb368f
+timeCreated: 1490605733
+licenseType: Free
+ShaderImporter:
+  defaultTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Unity_2018_Frozen/Assets/Frozen/Texture/RenderTexture-Final.renderTexture
+++ b/Unity_2018_Frozen/Assets/Frozen/Texture/RenderTexture-Final.renderTexture
@ -18,7 +18,7 @@ RenderTexture:
  m_ColorFormat: 0
  m_MipMap: 0
  m_GenerateMips: 1
-  m_SRGB: 0
+  m_SRGB: 1
  m_UseDynamicScale: 0
  m_BindMS: 0
  m_TextureSettings:
--- a/Unity_2018_Frozen/Assets/Frozen/Texture/RenderTexture-Particle.renderTexture
+++ b/Unity_2018_Frozen/Assets/Frozen/Texture/RenderTexture-Particle.renderTexture
@ -18,7 +18,7 @@ RenderTexture:
  m_ColorFormat: 0
  m_MipMap: 0
  m_GenerateMips: 1
-  m_SRGB: 0
+  m_SRGB: 1
  m_UseDynamicScale: 0
  m_BindMS: 0
  m_TextureSettings:
--- a/Unity_2018_Frozen/Assets/Frozen/Texture/RenderTexture-Scene.renderTexture
+++ b/Unity_2018_Frozen/Assets/Frozen/Texture/RenderTexture-Scene.renderTexture
@ -18,7 +18,7 @@ RenderTexture:
  m_ColorFormat: 0
  m_MipMap: 0
  m_GenerateMips: 1
-  m_SRGB: 0
+  m_SRGB: 1
  m_UseDynamicScale: 0
  m_BindMS: 0
  m_TextureSettings:
--- a/Unity_2018_Frozen/Assets/KinectOpticalFlow/KinectOpticalFlow.cs
+++ b/Unity_2018_Frozen/Assets/KinectOpticalFlow/KinectOpticalFlow.cs
@ -51,6 +51,7 @@ namespace UltraCombos
        ComputeBuffer home_velocity_buffer;
        public ComputeBuffer HomeVelocityBuffer { get { return home_velocity_buffer; } }
        ComputeBuffer home_count_buffer;
+        public ComputeBuffer HomeCountBuffer { get { return home_count_buffer; } }
        int home_count = 0;
        public int HomeCount { get { return home_count; } }

@ -110,10 +111,15 @@ namespace UltraCombos
            }

            {
+
                ComputeBuffer.CopyCount(home_position_buffer, home_count_buffer, 0);
+#if false
                var data = new int[home_count_buffer.count];
                home_count_buffer.GetData(data);
                home_count = data[0];
+#else
+                home_count = 0;
+#endif
                debugInfo = string.Format("{0}", home_count);
                home_position_buffer.SetCounterValue(0);
                home_velocity_buffer.SetCounterValue(0);
--- a/Unity_2018_Frozen/ProjectSettings/ProjectVersion.txt
+++ b/Unity_2018_Frozen/ProjectSettings/ProjectVersion.txt
@ -1 +1 @@
-m_EditorVersion: 2017.3.1f1
+m_EditorVersion: 2017.4.1f1