wip - planar reflection.

1aaffc1e · Guerrero, Michael J · e422b87b · 1aaffc1e · 1aaffc1e · 1aaffc1e
Commit 1aaffc1e authored Dec 18, 2019 by Guerrero, Michael J
5 changed files
--- a/Code.meta
+++ b/Code.meta
+fileFormatVersion: 2
+guid: 3364359e6faeb4844947db8cf9f3c737
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Code/PlanarReflection.cs
+++ b/Code/PlanarReflection.cs
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine.Rendering;
+using UnityEngine.Rendering.LWRP;
+using UnityEngine;
+
+
+public class PlanarReflection : MonoBehaviour
+{
+  public Transform reflectionPlaneObject;
+  public Material reflectionMaterial;
+  Camera reflectionCamera;
+  RenderTexture reflectionTexture;
+
+  void Start()
+  {
+    reflectionTexture = new RenderTexture(Screen.width, Screen.height, 24);
+    reflectionMaterial.SetTexture("_reflectionTexture", reflectionTexture);
+    reflectionCamera = gameObject.AddComponent<Camera>();
+    RenderPipelineManager.beginCameraRendering += OnBeginRendering;
+  }
+
+  void OnBeginRendering(ScriptableRenderContext context, Camera camera)
+  {
+    if (camera.tag == "MainCamera")
+    {
+      reflectionCamera.CopyFrom(camera);
+      reflectionCamera.depth -= 1;
+      reflectionCamera.targetTexture = reflectionTexture;
+
+      Vector3 cameraForwardWorld = camera.transform.forward;
+      Vector3 cameraUpWorld = camera.transform.up;
+      Vector3 cameraPosWorld = camera.transform.position;
+
+      Vector3 cameraForwardPlane = reflectionPlaneObject.InverseTransformDirection(cameraForwardWorld);
+      Vector3 cameraUpPlane = reflectionPlaneObject.InverseTransformDirection(cameraUpWorld);
+      Vector3 cameraPosPlane = reflectionPlaneObject.InverseTransformDirection(cameraPosWorld);
+
+      cameraForwardPlane.y *= -1f;
+      cameraUpPlane.y *= -1f;
+      cameraPosPlane.y *= -1f;
+
+      cameraForwardWorld = reflectionPlaneObject.TransformDirection(cameraForwardWorld);
+      cameraUpWorld = reflectionPlaneObject.TransformDirection(cameraUpWorld);
+      cameraPosWorld = reflectionPlaneObject.TransformDirection(cameraPosWorld);
+
+      reflectionCamera.transform.position = cameraPosWorld;
+      reflectionCamera.transform.LookAt(cameraPosWorld + cameraForwardWorld, cameraPosWorld);
+    }
+  }
+}
--- a/Code/PlanarReflection.cs.meta
+++ b/Code/PlanarReflection.cs.meta
+fileFormatVersion: 2
+guid: 8d2e6c76569086d4d9299a91a2ec5f18
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/ShaderGraphs/Demo/[Demo] Planar Reflection.shadergraph
+++ b/ShaderGraphs/Demo/[Demo] Planar Reflection.shadergraph
+{
+    "m_SerializedProperties": [
+        {
+            "typeInfo": {
+                "fullName": "UnityEditor.ShaderGraph.TextureShaderProperty"
+            },
+            "JSONnodeData": "{\n    \"m_Name\": \"Reflection Texture\",\n    \"m_GeneratePropertyBlock\": true,\n    \"m_Guid\": {\n        \"m_GuidSerialized\": \"af840554-a3cf-402b-b615-f7b92d518496\"\n    },\n    \"m_DefaultReferenceName\": \"Texture2D_8B4595A3\",\n    \"m_OverrideReferenceName\": \"_reflectionTexture\",\n    \"m_Precision\": 0,\n    \"m_Value\": {\n        \"m_SerializedTexture\": \"{\\\"texture\\\":{\\\"instanceID\\\":0}}\",\n        \"m_Guid\": \"\"\n    },\n    \"m_Modifiable\": true,\n    \"m_DefaultType\": 0\n}"
+        }
+    ],
+    "m_SerializableNodes": [
+        {
+            "typeInfo": {
+                "fullName": "UnityEditor.ShaderGraph.UnlitMasterNode"
+            },
+            "JSONnodeData": "{\n    \"m_GuidSerialized\": \"4ca8152a-df46-4bd6-8b71-cd37a6692a1e\",\n    \"m_GroupGuidSerialized\": \"00000000-0000-0000-0000-000000000000\",\n    \"m_Name\": \"Unlit Master\",\n    \"m_DrawState\": {\n        \"m_Expanded\": true,\n        \"m_Position\": {\n            \"serializedVersion\": \"2\",\n            \"x\": 0.0,\n            \"y\": 0.0,\n            \"width\": 0.0,\n            \"height\": 0.0\n        }\n    },\n    \"m_SerializableSlots\": [\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.PositionMaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 9,\\n    \\\"m_DisplayName\\\": \\\"Position\\\",\\n    \\\"m_SlotType\\\": 0,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"Position\\\",\\n    \\\"m_StageCapability\\\": 1,\\n    \\\"m_Value\\\": {\\n        \\\"x\\\": 0.0,\\n        \\\"y\\\": 0.0,\\n        \\\"z\\\": 0.0\\n    },\\n    \\\"m_DefaultValue\\\": {\\n        \\\"x\\\": 0.0,\\n        \\\"y\\\": 0.0,\\n        \\\"z\\\": 0.0\\n    },\\n    \\\"m_Labels\\\": [\\n        \\\"X\\\",\\n        \\\"Y\\\",\\n        \\\"Z\\\"\\n    ],\\n    \\\"m_Space\\\": 0\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.ColorRGBMaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 0,\\n    \\\"m_DisplayName\\\": \\\"Color\\\",\\n    \\\"m_SlotType\\\": 0,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"Color\\\",\\n    \\\"m_StageCapability\\\": 2,\\n    \\\"m_Value\\\": {\\n        \\\"x\\\": 0.7353569269180298,\\n        \\\"y\\\": 0.7353569269180298,\\n        \\\"z\\\": 0.7353569269180298\\n    },\\n    \\\"m_DefaultValue\\\": {\\n        \\\"x\\\": 0.0,\\n        \\\"y\\\": 0.0,\\n        \\\"z\\\": 0.0\\n    },\\n    \\\"m_Labels\\\": [\\n        \\\"X\\\",\\n        \\\"Y\\\",\\n        \\\"Z\\\"\\n    ],\\n    \\\"m_ColorMode\\\": 0\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.Vector1MaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 7,\\n    \\\"m_DisplayName\\\": \\\"Alpha\\\",\\n    \\\"m_SlotType\\\": 0,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"Alpha\\\",\\n    \\\"m_StageCapability\\\": 2,\\n    \\\"m_Value\\\": 1.0,\\n    \\\"m_DefaultValue\\\": 1.0,\\n    \\\"m_Labels\\\": [\\n        \\\"X\\\"\\n    ]\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.Vector1MaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 8,\\n    \\\"m_DisplayName\\\": \\\"AlphaClipThreshold\\\",\\n    \\\"m_SlotType\\\": 0,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"AlphaClipThreshold\\\",\\n    \\\"m_StageCapability\\\": 2,\\n    \\\"m_Value\\\": 0.5,\\n    \\\"m_DefaultValue\\\": 0.5,\\n    \\\"m_Labels\\\": [\\n        \\\"X\\\"\\n    ]\\n}\"\n        }\n    ],\n    \"m_Precision\": 0,\n    \"m_PreviewExpanded\": true,\n    \"m_CustomColors\": {\n        \"m_SerializableColors\": []\n    },\n    \"m_SerializableSubShaders\": [\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEngine.Rendering.LWRP.LightWeightUnlitSubShader\"\n            },\n            \"JSONnodeData\": \"{}\"\n        }\n    ],\n    \"m_SurfaceType\": 0,\n    \"m_AlphaMode\": 0,\n    \"m_TwoSided\": false,\n    \"m_AddPrecomputedVelocity\": false\n}"
+        },
+        {
+            "typeInfo": {
+                "fullName": "UnityEditor.ShaderGraph.SampleTexture2DNode"
+            },
+            "JSONnodeData": "{\n    \"m_GuidSerialized\": \"7d28e3b9-175f-411f-bc1b-4034a92330d3\",\n    \"m_GroupGuidSerialized\": \"00000000-0000-0000-0000-000000000000\",\n    \"m_Name\": \"Sample Texture 2D\",\n    \"m_DrawState\": {\n        \"m_Expanded\": true,\n        \"m_Position\": {\n            \"serializedVersion\": \"2\",\n            \"x\": -449.0,\n            \"y\": 2.0,\n            \"width\": 0.0,\n            \"height\": 0.0\n        }\n    },\n    \"m_SerializableSlots\": [\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.Vector4MaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 0,\\n    \\\"m_DisplayName\\\": \\\"RGBA\\\",\\n    \\\"m_SlotType\\\": 1,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"RGBA\\\",\\n    \\\"m_StageCapability\\\": 2,\\n    \\\"m_Value\\\": {\\n        \\\"x\\\": 0.0,\\n        \\\"y\\\": 0.0,\\n        \\\"z\\\": 0.0,\\n        \\\"w\\\": 0.0\\n    },\\n    \\\"m_DefaultValue\\\": {\\n        \\\"x\\\": 0.0,\\n        \\\"y\\\": 0.0,\\n        \\\"z\\\": 0.0,\\n        \\\"w\\\": 0.0\\n    }\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.Vector1MaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 4,\\n    \\\"m_DisplayName\\\": \\\"R\\\",\\n    \\\"m_SlotType\\\": 1,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"R\\\",\\n    \\\"m_StageCapability\\\": 2,\\n    \\\"m_Value\\\": 0.0,\\n    \\\"m_DefaultValue\\\": 0.0,\\n    \\\"m_Labels\\\": [\\n        \\\"X\\\"\\n    ]\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.Vector1MaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 5,\\n    \\\"m_DisplayName\\\": \\\"G\\\",\\n    \\\"m_SlotType\\\": 1,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"G\\\",\\n    \\\"m_StageCapability\\\": 2,\\n    \\\"m_Value\\\": 0.0,\\n    \\\"m_DefaultValue\\\": 0.0,\\n    \\\"m_Labels\\\": [\\n        \\\"X\\\"\\n    ]\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.Vector1MaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 6,\\n    \\\"m_DisplayName\\\": \\\"B\\\",\\n    \\\"m_SlotType\\\": 1,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"B\\\",\\n    \\\"m_StageCapability\\\": 2,\\n    \\\"m_Value\\\": 0.0,\\n    \\\"m_DefaultValue\\\": 0.0,\\n    \\\"m_Labels\\\": [\\n        \\\"X\\\"\\n    ]\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.Vector1MaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 7,\\n    \\\"m_DisplayName\\\": \\\"A\\\",\\n    \\\"m_SlotType\\\": 1,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"A\\\",\\n    \\\"m_StageCapability\\\": 2,\\n    \\\"m_Value\\\": 0.0,\\n    \\\"m_DefaultValue\\\": 0.0,\\n    \\\"m_Labels\\\": [\\n        \\\"X\\\"\\n    ]\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.Texture2DInputMaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 1,\\n    \\\"m_DisplayName\\\": \\\"Texture\\\",\\n    \\\"m_SlotType\\\": 0,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"Texture\\\",\\n    \\\"m_StageCapability\\\": 3,\\n    \\\"m_Texture\\\": {\\n        \\\"m_SerializedTexture\\\": \\\"{\\\\\\\"texture\\\\\\\":{\\\\\\\"instanceID\\\\\\\":0}}\\\",\\n        \\\"m_Guid\\\": \\\"\\\"\\n    },\\n    \\\"m_DefaultType\\\": 0\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.UVMaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 2,\\n    \\\"m_DisplayName\\\": \\\"UV\\\",\\n    \\\"m_SlotType\\\": 0,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"UV\\\",\\n    \\\"m_StageCapability\\\": 3,\\n    \\\"m_Value\\\": {\\n        \\\"x\\\": 0.0,\\n        \\\"y\\\": 0.0\\n    },\\n    \\\"m_DefaultValue\\\": {\\n        \\\"x\\\": 0.0,\\n        \\\"y\\\": 0.0\\n    },\\n    \\\"m_Labels\\\": [\\n        \\\"X\\\",\\n        \\\"Y\\\"\\n    ],\\n    \\\"m_Channel\\\": 0\\n}\"\n        },\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.SamplerStateMaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 3,\\n    \\\"m_DisplayName\\\": \\\"Sampler\\\",\\n    \\\"m_SlotType\\\": 0,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"Sampler\\\",\\n    \\\"m_StageCapability\\\": 3\\n}\"\n        }\n    ],\n    \"m_Precision\": 0,\n    \"m_PreviewExpanded\": true,\n    \"m_CustomColors\": {\n        \"m_SerializableColors\": []\n    },\n    \"m_TextureType\": 0,\n    \"m_NormalMapSpace\": 0\n}"
+        },
+        {
+            "typeInfo": {
+                "fullName": "UnityEditor.ShaderGraph.PropertyNode"
+            },
+            "JSONnodeData": "{\n    \"m_GuidSerialized\": \"ba255d20-aeac-45a5-a400-d6df423f68e9\",\n    \"m_GroupGuidSerialized\": \"00000000-0000-0000-0000-000000000000\",\n    \"m_Name\": \"Property\",\n    \"m_DrawState\": {\n        \"m_Expanded\": true,\n        \"m_Position\": {\n            \"serializedVersion\": \"2\",\n            \"x\": -698.0,\n            \"y\": -18.0,\n            \"width\": 0.0,\n            \"height\": 0.0\n        }\n    },\n    \"m_SerializableSlots\": [\n        {\n            \"typeInfo\": {\n                \"fullName\": \"UnityEditor.ShaderGraph.Texture2DMaterialSlot\"\n            },\n            \"JSONnodeData\": \"{\\n    \\\"m_Id\\\": 0,\\n    \\\"m_DisplayName\\\": \\\"Reflection Texture\\\",\\n    \\\"m_SlotType\\\": 1,\\n    \\\"m_Priority\\\": 2147483647,\\n    \\\"m_Hidden\\\": false,\\n    \\\"m_ShaderOutputName\\\": \\\"Out\\\",\\n    \\\"m_StageCapability\\\": 3\\n}\"\n        }\n    ],\n    \"m_Precision\": 0,\n    \"m_PreviewExpanded\": true,\n    \"m_CustomColors\": {\n        \"m_SerializableColors\": []\n    },\n    \"m_PropertyGuidSerialized\": \"af840554-a3cf-402b-b615-f7b92d518496\"\n}"
+        }
+    ],
+    "m_Groups": [],
+    "m_SerializableEdges": [
+        {
+            "typeInfo": {
+                "fullName": "UnityEditor.Graphing.Edge"
+            },
+            "JSONnodeData": "{\n    \"m_OutputSlot\": {\n        \"m_SlotId\": 0,\n        \"m_NodeGUIDSerialized\": \"7d28e3b9-175f-411f-bc1b-4034a92330d3\"\n    },\n    \"m_InputSlot\": {\n        \"m_SlotId\": 0,\n        \"m_NodeGUIDSerialized\": \"4ca8152a-df46-4bd6-8b71-cd37a6692a1e\"\n    }\n}"
+        },
+        {
+            "typeInfo": {
+                "fullName": "UnityEditor.Graphing.Edge"
+            },
+            "JSONnodeData": "{\n    \"m_OutputSlot\": {\n        \"m_SlotId\": 0,\n        \"m_NodeGUIDSerialized\": \"ba255d20-aeac-45a5-a400-d6df423f68e9\"\n    },\n    \"m_InputSlot\": {\n        \"m_SlotId\": 1,\n        \"m_NodeGUIDSerialized\": \"7d28e3b9-175f-411f-bc1b-4034a92330d3\"\n    }\n}"
+        }
+    ],
+    "m_PreviewData": {
+        "serializedMesh": {
+            "m_SerializedMesh": "{\"mesh\":{\"instanceID\":0}}",
+            "m_Guid": ""
+        }
+    },
+    "m_Path": "Shader Graphs",
+    "m_ConcretePrecision": 0,
+    "m_ActiveOutputNodeGuidSerialized": "4ca8152a-df46-4bd6-8b71-cd37a6692a1e"
+}
\ No newline at end of file
--- a/ShaderGraphs/Demo/[Demo] Planar Reflection.shadergraph.meta
+++ b/ShaderGraphs/Demo/[Demo] Planar Reflection.shadergraph.meta
+fileFormatVersion: 2
+guid: 001839a6b3754194d96eb68f23b6a47e
+ScriptedImporter:
+  internalIDToNameTable: []
+  externalObjects: {}
+  serializedVersion: 2
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+  script: {fileID: 11500000, guid: 625f186215c104763be7675aa2d941aa, type: 3}