update Particle with Kinect

Unity_2018_Frozen/Assets/Frozen/Frozen.unity

@@ -38,7 +38,7 @@ RenderSettings:
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   m_Sun: {fileID: 0}
-  m_IndirectSpecularColor: {r: 0.060945295, g: 0.054545894, b: 0.039643742, a: 1}
+  m_IndirectSpecularColor: {r: 0.021216419, g: 0.053037528, b: 0.08577963, a: 1}
 --- !u!157 &3
 LightmapSettings:
   m_ObjectHideFlags: 0
@@ -236,7 +236,7 @@ Camera:
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     m_Bits: 4294967295
-  m_RenderingPath: 3
+  m_RenderingPath: 1
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   m_TargetEye: 3
@@ -254,7 +254,7 @@ Transform:
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   m_GameObject: {fileID: 151858420}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 0, y: 1, z: -10}
+  m_LocalPosition: {x: 0, y: 1, z: -5}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
@@ -544,17 +544,17 @@ MonoBehaviour:
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   m_Name: 
   m_EditorClassIdentifier: 
   reset: 0
   maxParticles: 100000
   particleBuffer: {fileID: 438615022}
-  homeBuffer: {fileID: 1375512057}
-  homeVelocityBuffer: {fileID: 1924148042}
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   uniformBuffer: {fileID: 441718966}
   cosineGradient: {fileID: 11400000, guid: 2138651e11178d04ba510ef9164baf46, type: 2}
+  kinectOpticalFlow: {fileID: 1848145251}
+  smokeFluidSim: {fileID: 774429923}
   debug: 
 --- !u!1 &368967883
 GameObject:
@@ -649,14 +649,14 @@ Camera:
   near clip plane: 0.3
   far clip plane: 1000
   field of view: 60
-  orthographic: 0
+  orthographic: 1
   orthographic size: 5
   m_Depth: 0
   m_CullingMask:
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     m_Bits: 4294967295
-  m_RenderingPath: 3
-  m_TargetTexture: {fileID: 0}
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   m_TargetEye: 3
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-  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: -0.08047724, y: 0.520406, z: -0.95207787}
+  m_LocalRotation: {x: 0.7071068, y: 0, z: 0, w: 0.7071068}
+  m_LocalPosition: {x: 0, y: 10, z: 0}
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   m_Children: []
   m_Father: {fileID: 0}
   m_RootOrder: 1
-  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_LocalEulerAnglesHint: {x: 90, y: 0, z: 0}
 --- !u!1 &386695295
 GameObject:
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@@ -708,7 +708,7 @@ Transform:
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   - {fileID: 1848145250}
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-  m_RootOrder: 5
+  m_RootOrder: 7
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 --- !u!1 &401185750
 GameObject:
@@ -740,7 +740,7 @@ Transform:
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@@ -783,6 +783,100 @@ Transform:
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   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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+  - component: {fileID: 439594036}
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+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
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+--- !u!114 &439594036
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+--- !u!114 &439594037
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+  m_DefaultSpriteDPI: 96
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+--- !u!223 &439594038
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+  m_Camera: {fileID: 151858423}
+  m_PlaneDistance: 100
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+  m_ReceivesEvents: 1
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+--- !u!224 &439594039
+RectTransform:
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+  m_GameObject: {fileID: 439594035}
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+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 0, y: 0, z: 0}
+  m_Children:
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+  m_Father: {fileID: 0}
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+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 0, y: 0}
+  m_Pivot: {x: 0, y: 0}
 --- !u!1 &441718963
 GameObject:
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@@ -1047,7 +1141,7 @@ Transform:
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   m_Father: {fileID: 0}
-  m_RootOrder: 8
+  m_RootOrder: 10
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 --- !u!1 &618046638
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@@ -1139,8 +1233,75 @@ Transform:
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-  m_RootOrder: 7
+  m_RootOrder: 9
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+  m_Name: RawImage
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!224 &770059767
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+  m_SizeDelta: {x: 640, y: 360}
+  m_Pivot: {x: 1, y: 1}
+--- !u!114 &770059768
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+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
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+    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
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+  m_Texture: {fileID: 8400000, guid: 6921d0717fba0654597a7ad3fb5c47e7, type: 2}
+  m_UVRect:
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+--- !u!222 &770059769
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+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 770059766}
 --- !u!1001 &774429922
 Prefab:
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@@ -1262,7 +1423,7 @@ Prefab:
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     - target: {fileID: 11400000, guid: 0b40c0b4ea4208b4792d95085b850676, type: 2}
       propertyPath: doDraw
-      value: 1
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       objectReference: {fileID: 0}
     - target: {fileID: 100000, guid: 0b40c0b4ea4208b4792d95085b850676, type: 2}
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@@ -1564,7 +1725,7 @@ Light:
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-  m_Intensity: 1
+  m_Intensity: 0.2
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   m_SpotAngle: 30
   m_CookieSize: 10
@@ -1596,13 +1757,13 @@ Transform:
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-  m_LocalPosition: {x: 0, y: 3, z: 0}
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   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
   m_RootOrder: 2
-  m_LocalEulerAnglesHint: {x: 5, y: -30, z: 0}
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 GameObject:
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@@ -1724,6 +1885,50 @@ MonoBehaviour:
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 --- !u!1 &1430681566
 GameObject:
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@@ -1964,7 +2169,7 @@ MonoBehaviour:
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-  clearShader: {fileID: 7200000, guid: 5a8d2c045ee23f743a54f85301ca1c0b, type: 3}
+  applyShader: {fileID: 7200000, guid: 5a8d2c045ee23f743a54f85301ca1c0b, type: 3}
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   clipMin: {x: -0.85, y: 0.3, z: 0}
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@@ -2018,3 +2223,65 @@ MonoBehaviour:
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Unity_2018_Frozen/Assets/Frozen/FrozenCanvas.renderTexture

@@ -0,0 +1,33 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!84 &8400000
+RenderTexture:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_Name: FrozenCanvas
+  m_ImageContentsHash:
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+    Hash: 00000000000000000000000000000000
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+  m_Width: 3840
+  m_Height: 2160
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Unity_2018_Frozen/Assets/Frozen/FrozenCanvas.renderTexture.meta

@@ -0,0 +1,10 @@
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+licenseType: Free
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Unity_2018_Frozen/Assets/Frozen/Material/Ground.mat

@@ -8,8 +8,8 @@ Material:
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   m_Name: Ground
   m_Shader: {fileID: 46, guid: 0000000000000000f000000000000000, type: 0}
-  m_ShaderKeywords: 
-  m_LightmapFlags: 4
+  m_ShaderKeywords: _EMISSION
+  m_LightmapFlags: 1
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   m_DoubleSidedGI: 0
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@@ -72,5 +72,5 @@ Material:
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     - _ZWrite: 1
     m_Colors:
-    - _Color: {r: 1, g: 1, b: 1, a: 0.9019608}
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}

Unity_2018_Frozen/Assets/Frozen/Material/Snowflake.mat

@@ -41,7 +41,7 @@ Material:
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     - _MainTex:
-        m_Texture: {fileID: 2800000, guid: f59ee687c02517e45819a3f0bcf97b7f, type: 3}
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@@ -64,7 +64,7 @@ Material:
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     - _ColorMode: 0
     - _Cull: 0
-    - _Cutoff: 0.068
+    - _Cutoff: 0.5
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@@ -91,7 +91,7 @@ Material:
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-    - _Color: {r: 5.153, g: 5.153, b: 5.153, a: 1}
+    - _Color: {r: 5.168, g: 5.168, b: 5.168, a: 1}
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     - _SoftParticleFadeParams: {r: 0, g: 0, b: 0, a: 0}

Unity_2018_Frozen/Assets/Frozen/ParticleUniforms.asset

@@ -13,18 +13,18 @@ MonoBehaviour:
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   movement: 1
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-  velocityDamping: 1
-  lifeDuration: 0
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+  lifeDuration: 7
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-  homeStrength: 0.116
-  noiseStrength: 0.126
+  convergence: 0
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+  noiseStrength: 0.037
   noiseSeed: 0.5
   noiseTimeScale: 1
   noiseFrequency: 0.29
   forceDirection: {x: 0, y: -1, z: 0}
-  forceStrength: 0.015
+  forceStrength: 0.05
   impulsePosition: {x: 0, y: 0, z: 0}
   impulseRadius: 3
-  impulseStrength: -1
+  impulseStrength: 1

Unity_2018_Frozen/Assets/Frozen/PostProcessingProfile.asset

@@ -33,7 +33,7 @@ MonoBehaviour:
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   intensity:
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Unity_2018_Frozen/Assets/Frozen/Script.meta

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+timeCreated: 1519889654
+licenseType: Free
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Unity_2018_Frozen/Assets/Frozen/Script/SnowflakeParticleUpdater.cs

@@ -0,0 +1,115 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace UltraCombos.Frozen
+{
+    public class SnowflakeParticleUpdater : MonoBehaviour
+    {
+        public bool reset = false;
+        [Range(1, 1 << 20)]
+        public int maxParticles = 1 << 15;
+        public StructuredBuffer particleBuffer = null;
+        List<Particle> buffer_data = null;
+
+        public ComputeShader shader = null;
+        ComputeBuffer args_buffer = null;
+
+        public UniformStructuredBuffer uniformBuffer;
+        ParticleUniforms uniforms = null;
+
+        public Klak.Chromatics.CosineGradient cosineGradient = null;
+
+        bool is_initialized = false;
+
+        [SerializeField]
+        KinectOpticalFlow kinectOpticalFlow;
+        [SerializeField]
+        FluidSim3DProject.SmokeFluidSim smokeFluidSim;
+
+        [SerializeField]
+        string debug;
+
+        private void Start()
+        {
+            uniforms = uniformBuffer.uniform as ParticleUniforms;
+            StartCoroutine(Initialize());
+        }
+
+        private void FixedUpdate()
+        {
+            if (is_initialized == false)
+                return;
+
+            if (reset)
+            {
+                reset = false;
+                OnReset();
+            }
+
+            UpdateParticle(Time.fixedDeltaTime);
+        }
+
+        private void OnDestroy()
+        {
+            Utilities.Release(ref args_buffer);
+        }
+
+        private void OnReset()
+        {
+            particleBuffer.SetData(buffer_data);
+        }
+
+        private IEnumerator Initialize()
+        {
+#if false
+            {
+                uint[] args = new uint[3] { (uint)Mathf.CeilToInt((float)maxHomes / WORK_GROUP_SIZE), 1, 1 };
+                home_args_buffer = new ComputeBuffer(1, args.Length * sizeof(uint), ComputeBufferType.IndirectArguments);
+                home_args_buffer.SetData(args);
+            }
+#endif
+            {
+                args_buffer = shader.CreateIndirectComputeArgsBuffer(maxParticles, 1, 1);
+            }
+
+            {
+                buffer_data = new List<Particle>();
+                yield return Utilities.GetRandomParticleData(maxParticles, buffer_data);
+            }
+
+            is_initialized = true;
+            OnReset();
+        }
+
+        private void UpdateParticle(float time_step)
+        {
+            {
+                shader.SetFloat("timeStep", time_step);
+                shader.SetFloat("timeValue", Utilities.GetTimeValue());
+                shader.SetInt("home_count", kinectOpticalFlow.HomeCount);
+                shader.SetFloat("bufferCount", particleBuffer.count);
+
+                if (cosineGradient != null)
+                {
+                    shader.SetVector("coeffsA", cosineGradient.coeffsA);
+                    shader.SetVector("coeffsB", cosineGradient.coeffsB);
+                    shader.SetVector("coeffsC", cosineGradient.coeffsC2);
+                    shader.SetVector("coeffsD", cosineGradient.coeffsD2);
+                }
+
+                shader.SetVector("FluidGridDim", smokeFluidSim.GridDim);
+                shader.SetVector("FluidGridRoot", smokeFluidSim.GridRoot);
+                shader.SetVector("FluidGridSize", smokeFluidSim.GridSize);
+
+                shader.SetBuffer(0, particleBuffer.bufferName, particleBuffer.obj);
+                shader.SetBuffer(0, uniformBuffer.bufferName, uniformBuffer.obj);
+                shader.SetBuffer(0, "home_position_buffer", kinectOpticalFlow.HomePositionBuffer);
+                shader.SetBuffer(0, "home_velocity_buffer", kinectOpticalFlow.HomeVelocityBuffer);
+                shader.SetBuffer(0, "fluid_velocity_buffer", smokeFluidSim.VelocityBuffer);
+
+                shader.DispatchIndirect(0, args_buffer);
+            }
+        }
+    }
+}

Unity_2018_Frozen/Assets/Frozen/Script/SnowflakeParticleUpdater.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 15ad9c9a8c81d2c4184b50d96a669c7d
+timeCreated: 1519889674
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Unity_2018_Frozen/Assets/Frozen/Shader/SnowflakeParticleUpdate.compute

@@ -15,27 +15,31 @@ CBUFFER_START(Variables)
 	float3 coeffsB;
 	float3 coeffsC; 
 	float3 coeffsD;
+	float4 FluidGridDim;
+	float4 FluidGridRoot;
+	float4 FluidGridSize;
 CBUFFER_END
 
 RWStructuredBuffer<Particle> ssbo;
 RWStructuredBuffer<ParticleUniforms> uniform_buffer;
-RWStructuredBuffer<float4> home_buffer;
+RWStructuredBuffer<float4> home_position_buffer;
 RWStructuredBuffer<float4> home_velocity_buffer;
+RWStructuredBuffer<float3> fluid_velocity_buffer;
 
 [numthreads(WORK_GROUP_SIZE, 1, 1)]
 void CSMain(uint3 id : SV_DispatchThreadID)
 {
 	uint idx = id.x;
 	Particle p = ssbo[idx];
-	float4 home = (home_count > 0) ? home_buffer[p.seed * home_count] : float4(0, 0, 0, 1);
-	float4 home_velcity = (home_count > 0) ? home_velocity_buffer[p.seed * home_count] : float4(0, 0, 0, 1);
+	float4 home_position = (home_count > 0) ? home_position_buffer[p.seed * home_count] : float4(0, 0, 0, 1);
+	float4 home_velocity = (home_count > 0) ? home_velocity_buffer[p.seed * home_count] : float4(0, 0, 0, 1);
 	ParticleUniforms uni = uniform_buffer[0];
 
 	float factor = p.color.a;
 	float3 acc = float3(0, 0, 0);
 	float3 F = float3(0, 0, 0);
 
-	//if (lifeDuration > 0.1f)
+	if (home_count > 0)
 	{
 		float duration = uni.lifeDuration * (1.0f + factor * uni.lifeVariation);
 		float current_life = p.life * duration + timeStep;
@@ -50,9 +54,9 @@ void CSMain(uint3 id : SV_DispatchThreadID)
 		{
 			current_life -= duration;
 			//if (isEmit == 0 && current_life > 0.0) current_life -= duration;
-			p.position = home.xyz;
+			p.position = home_position.xyz;
 			p.color.rgb = float3(1, 1, 1);
-			p.velocity = home_velcity.xyz * uni.forceStrength * 100.0f;
+			p.velocity = home_velocity.xyz * 20.0f * pow(length(home_velocity.xyz), 2.0f);
 			//p.velocity = forceDirection * 3.0f;
 		}
 		p.life = current_life / duration;
@@ -94,10 +98,18 @@ void CSMain(uint3 id : SV_DispatchThreadID)
 
 	// impulse
 	{
-		F = uni.impulsePosition - p.position;
-		float mag = F.x*F.x + F.y*F.y + F.z*F.z;
-		float rad2 = uni.impulseRadius * uni.impulseRadius;
-		acc += F * exp(-mag / rad2) * uni.impulseStrength;
+		//F = uni.impulsePosition - p.position;
+		//float mag = F.x*F.x + F.y*F.y + F.z*F.z;
+		//float rad2 = uni.impulseRadius * uni.impulseRadius;
+		//acc += F * exp(-mag / rad2) * uni.impulseStrength;
+	}
+
+	// fluid
+	{
+		float3 dim = ((p.position - FluidGridRoot) / FluidGridSize) * FluidGridDim;
+		int idx = (int)dim.x + (int)dim.y * FluidGridDim.x + (int)dim.z * FluidGridDim.x * FluidGridDim.y;
+		float3 F = fluid_velocity_buffer[idx].xyz * 1.0f;
+		acc += F * uni.impulseStrength;
 	}
 
 	// cosine gradient
@@ -148,7 +160,7 @@ void CSMain(uint3 id : SV_DispatchThreadID)
 		pos = p.position;
 		if (pos.y < 0.0f)
 		{
-			p.velocity.y = abs(p.velocity.y);
+			p.velocity.y = abs(p.velocity.y) * 0.8f;
 			p.position.y = 0.0f;
 		}
 	}

Unity_2018_Frozen/Assets/Frozen/Texture/Frozen-CC065205.tif.meta

@@ -0,0 +1,87 @@
+fileFormatVersion: 2
+guid: 6dc1e348a9a1d8340b408bdddc7a63f8
+timeCreated: 1519893270
+licenseType: Free
+TextureImporter:
+  fileIDToRecycleName: {}
+  externalObjects: {}
+  serializedVersion: 4
+  mipmaps:
+    mipMapMode: 0
+    enableMipMap: 1
+    sRGBTexture: 1
+    linearTexture: 0
+    fadeOut: 0
+    borderMipMap: 0
+    mipMapsPreserveCoverage: 0
+    alphaTestReferenceValue: 0.5
+    mipMapFadeDistanceStart: 1
+    mipMapFadeDistanceEnd: 3
+  bumpmap:
+    convertToNormalMap: 0
+    externalNormalMap: 0
+    heightScale: 0.25
+    normalMapFilter: 0
+  isReadable: 0
+  grayScaleToAlpha: 0
+  generateCubemap: 6
+  cubemapConvolution: 0
+  seamlessCubemap: 0
+  textureFormat: 1
+  maxTextureSize: 2048
+  textureSettings:
+    serializedVersion: 2
+    filterMode: -1
+    aniso: -1
+    mipBias: -1
+    wrapU: -1
+    wrapV: -1
+    wrapW: -1
+  nPOTScale: 1
+  lightmap: 0
+  compressionQuality: 50
+  spriteMode: 0
+  spriteExtrude: 1
+  spriteMeshType: 1
+  alignment: 0
+  spritePivot: {x: 0.5, y: 0.5}
+  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
+  spritePixelsToUnits: 100
+  alphaUsage: 1
+  alphaIsTransparency: 1
+  spriteTessellationDetail: -1
+  textureType: 0
+  textureShape: 1
+  maxTextureSizeSet: 0
+  compressionQualitySet: 0
+  textureFormatSet: 0
+  platformSettings:
+  - buildTarget: DefaultTexturePlatform
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+  - buildTarget: Standalone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+  spriteSheet:
+    serializedVersion: 2
+    sprites: []
+    outline: []
+    physicsShape: []
+  spritePackingTag: 
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Unity_2018_Frozen/Assets/KinectOpticalFlow/KinectOpticalFlow.cs

@@ -46,8 +46,13 @@ namespace UltraCombos
         [SerializeField]
         string debugInfo;
 
-        ComputeBuffer home_buffer;
-        int home_count;
+        ComputeBuffer home_position_buffer;
+        public ComputeBuffer HomePositionBuffer { get { return home_position_buffer; } }
+        ComputeBuffer home_velocity_buffer;
+        public ComputeBuffer HomeVelocityBuffer { get { return home_velocity_buffer; } }
+        ComputeBuffer count_buffer;
+        int home_count = 0;
+        public int HomeCount { get { return home_count; } }
 
 
         private void Start()
@@ -64,7 +69,9 @@ namespace UltraCombos
             }
 
             {
-                home_buffer = new ComputeBuffer(512 * 424, sizeof(float) * 4, ComputeBufferType.Append);
+                home_position_buffer = new ComputeBuffer(512 * 424, sizeof(float) * 4, ComputeBufferType.Append);
+                home_velocity_buffer = new ComputeBuffer(512 * 424, sizeof(float) * 4, ComputeBufferType.Append);
+                count_buffer = new ComputeBuffer(1, sizeof(int), ComputeBufferType.Raw);
             }
         }
         
@@ -72,15 +79,7 @@ namespace UltraCombos
         {
             if (args_buffer == null)
             {
-#if false
-                int work_group_size = 512;
-                int num_groups = (width * height + work_group_size - 1) / work_group_size;
-                uint[] args = new uint[3] { (uint)num_groups, 1, 1 };
-                args_buffer = new ComputeBuffer(1, args.Length * sizeof(uint), ComputeBufferType.IndirectArguments);
-                args_buffer.SetData(args);
-#else
                 args_buffer = updateShader.CreateIndirectComputeArgsBuffer(width * height, 1, 1);
-#endif
             }
 
             // update 
@@ -105,21 +104,25 @@ namespace UltraCombos
                 foreach (var buf in kinectBuffers)
                     updateShader.SetBuffer(0, buf.bufferName, buf.obj);
                 updateShader.SetBuffer(0, "KinectGridBuffer", kinect_grid_buffer);
+                updateShader.SetBuffer(0, "HomePositionBuffer", home_position_buffer);
+                updateShader.SetBuffer(0, "HomeVelocityBuffer", home_velocity_buffer);
                 updateShader.DispatchIndirect(0, args_buffer);
             }
 
+            {
+                ComputeBuffer.CopyCount(home_position_buffer, count_buffer, 0);
+                var data = new int[count_buffer.count];
+                count_buffer.GetData(data);
+                home_count = data[0];
+                debugInfo = string.Format("{0}", home_count);
+                home_position_buffer.SetCounterValue(0);
+                home_velocity_buffer.SetCounterValue(0);
+            }
+
             if (clear_grid_buffer_args_buffer == null)
             {
-#if false
-                uint work_group_size = 8;
-                Vector3 dim = fluidSimulation.GridDim;
-                uint[] args = new uint[3] { (uint)dim.x / work_group_size, (uint)dim.y / work_group_size, (uint)dim.z / work_group_size };
-                clear_grid_buffer_args_buffer = new ComputeBuffer(1, args.Length * sizeof(uint), ComputeBufferType.IndirectArguments);
-                clear_grid_buffer_args_buffer.SetData(args);
-#else
                 Vector3Int dim = Vector3Int.FloorToInt(fluidSimulation.GridDim);
                 clear_grid_buffer_args_buffer = applyShader.CreateIndirectComputeArgsBuffer(dim.x, dim.y, dim.z);
-#endif
             }
 
             {

Unity_2018_Frozen/Assets/KinectOpticalFlow/KinectUpdateShader.compute

@@ -5,6 +5,9 @@ RWStructuredBuffer<float4> KinectPositionBuffer;
 RWStructuredBuffer<float4> KinectVelocityBuffer;
 RWStructuredBuffer<float4> KinectGridBuffer;
 
+AppendStructuredBuffer<float4> HomePositionBuffer;
+AppendStructuredBuffer<float4> HomeVelocityBuffer;
+
 Texture2D<float4> PositionTexture;
 Texture2D<float4> VelocityTexture;
 
@@ -47,24 +50,17 @@ void CSMain (uint3 id : SV_DispatchThreadID)
 			grid_index = (int)grid_pos.x + (int)grid_pos.y * FluidDim.x + (int)grid_pos.z * FluidDim.x * FluidDim.y;
 			KinectGridBuffer[grid_index] += float4(vel.xyz, 1);
 
-			//const int layer = 0;
-			//for (int i = 0; i < layer; i++)
-			//{
-			//	grid_index += FluidDim.x * FluidDim.y;
-			//	KinectGridBuffer[grid_index] += float4(vel.xyz, 1);
-			//}
-
-			///PositionBuffer.Append(float4(pos.xyz, grid_index));
-			///VelocityBuffer.Append(float4(vel.xyz, 0));
+			if (pos_mag > 1.0f)
+			{
+				HomePositionBuffer.Append(float4(pos.xyz, 0));
+				HomeVelocityBuffer.Append(float4(vel.xyz, 0));
+			}
+				
 		}
 
 		KinectPositionBuffer[id.x] = float4(pos.xyz, grid_index);
 		KinectVelocityBuffer[id.x] = float4((pos_mag == 0.0f) ? float3(0, 0, 0) : vel.xyz, 0);
 
-		//FullPositionBuffer[id.x] = float4(pos.xyz, grid_index);
-		//FullVelocityBuffer[id.x] = float4((pos_mag == 0.0f) ? float3(0, 0, 0) : vel.xyz, 0);
 	}
 	
-	//PositionBuffer.Append(float4(0, 0, 0, 1));
-	//Result[id.xy] = float4(id.x & id.y, (id.x & 15)/15.0, (id.y & 15)/15.0, 0.0); 
 }

Unity_2018_Frozen/ProjectSettings/EditorBuildSettings.asset

@@ -4,4 +4,7 @@
 EditorBuildSettings:
   m_ObjectHideFlags: 0
   serializedVersion: 2
-  m_Scenes: []
+  m_Scenes:
+  - enabled: 1
+    path: Assets/Frozen/Frozen.unity
+    guid: 34b4afb9026442541b75a5cc9009882b

Unity_2018_Frozen/ProjectSettings/GraphicsSettings.asset

@@ -35,6 +35,8 @@ GraphicsSettings:
   - {fileID: 15106, guid: 0000000000000000f000000000000000, type: 0}
   - {fileID: 10753, guid: 0000000000000000f000000000000000, type: 0}
   - {fileID: 10770, guid: 0000000000000000f000000000000000, type: 0}
+  - {fileID: 17000, guid: 0000000000000000f000000000000000, type: 0}
+  - {fileID: 16000, guid: 0000000000000000f000000000000000, type: 0}
   m_PreloadedShaders: []
   m_SpritesDefaultMaterial: {fileID: 10754, guid: 0000000000000000f000000000000000,
     type: 0}