加入Pixelize系9种像素化后处理

加入Pixelize系9种像素化后处理

Author: QianMo

Assets/X-PostProcessing/Effects/PixelizeCircle.meta

@@ -0,0 +1,53 @@
+//----------------------------------------------------------------------------------------------------------
+// X-PostProcessing Library
+// created by QianMo @ 2020
+//----------------------------------------------------------------------------------------------------------
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+using UnityEditor.Rendering.PostProcessing;
+using UnityEngine.Rendering.PostProcessing;
+
+namespace XPostProcessing
+{
+    [PostProcessEditor(typeof(PixelizeCircle))]
+    public sealed class PixelizeCircleEditor : PostProcessEffectEditor<PixelizeCircle>
+    {
+
+        SerializedParameterOverride pixelSize;
+        SerializedParameterOverride circleRadius;
+        SerializedParameterOverride pixelIntervalX;
+        SerializedParameterOverride pixelIntervalY;
+        SerializedParameterOverride BackgroundColor;
+
+        public override void OnEnable()
+        {
+            pixelSize = FindParameterOverride(x => x.pixelSize);
+            circleRadius = FindParameterOverride(x => x.circleRadius);
+            pixelIntervalX = FindParameterOverride(x => x.pixelIntervalX);
+            pixelIntervalY = FindParameterOverride(x => x.pixelIntervalY);
+            BackgroundColor = FindParameterOverride(x => x.BackgroundColor);
+        }
+
+        public override string GetDisplayTitle()
+        {
+            return XPostProcessingEditorUtility.DISPLAY_TITLE_PREFIX + base.GetDisplayTitle();
+        }
+
+        public override void OnInspectorGUI()
+        {
+            EditorUtilities.DrawHeaderLabel("Core Property");
+            PropertyField(pixelSize);
+            PropertyField(circleRadius);
+            PropertyField(BackgroundColor);
+
+            EditorUtilities.DrawHeaderLabel("Pixel Interval");
+            PropertyField(pixelIntervalX);
+            PropertyField(pixelIntervalY);
+        }
+
+    }
+}

Assets/X-PostProcessing/Effects/PixelizeCircle/Editor.meta

@@ -0,0 +1,66 @@
+//----------------------------------------------------------------------------------------------------------
+// X-PostProcessing Library
+// created by QianMo @ 2020
+//----------------------------------------------------------------------------------------------------------
+
+using System;
+using UnityEngine;
+using UnityEngine.Rendering;
+using UnityEngine.Rendering.PostProcessing;
+
+
+namespace XPostProcessing
+{
+
+    [Serializable]
+    [PostProcess(typeof(PixelizeCircleRenderer), PostProcessEvent.BeforeStack, "X-PostProcessing/Pixelize/PixelizeCircle")]
+    public class PixelizeCircle : PostProcessEffectSettings
+    {
+
+        [Range(0.01f, 1.0f)]
+        public FloatParameter pixelSize = new FloatParameter { value = 0.8f };
+        [Range(0.01f, 1.0f)]
+        public FloatParameter circleRadius = new FloatParameter { value = 0.45f };
+        [Range(0.2f, 5.0f), Tooltip("Pixel interval X")]
+        public FloatParameter pixelIntervalX = new FloatParameter { value = 1f };
+        [Range(0.2f, 5.0f), Tooltip("Pixel interval Y")]
+        public FloatParameter pixelIntervalY = new FloatParameter { value = 1f };
+        [ColorUsageAttribute(true, true, 0f, 20f, 0.125f, 3f)]
+        public ColorParameter BackgroundColor = new ColorParameter { value = new Color(0.0f, 0.0f, 0.0f) };
+
+    }
+
+    public sealed class PixelizeCircleRenderer : PostProcessEffectRenderer<PixelizeCircle>
+    {
+        private const string PROFILER_TAG = "X-PixelizeCircle";
+        private Shader shader;
+
+        public override void Init()
+        {
+            shader = Shader.Find("Hidden/X-PostProcessing/PixelizeCircle");
+        }
+
+        public override void Release()
+        {
+            base.Release();
+        }
+
+        public override void Render(PostProcessRenderContext context)
+        {
+            CommandBuffer cmd = context.command;
+            PropertySheet sheet = context.propertySheets.Get(shader);
+            cmd.BeginSample(PROFILER_TAG);
+
+            float size = (1.01f - settings.pixelSize) * 300f;
+            Vector4 parameters = new Vector4(size, ((context.screenWidth * 2 / context.screenHeight) * size / Mathf.Sqrt(3f)), settings.circleRadius, 0f);
+
+            sheet.properties.SetVector("_Params", parameters);
+            sheet.properties.SetFloat("_PixelIntervalX", settings.pixelIntervalX);
+            sheet.properties.SetFloat("_PixelIntervalY", settings.pixelIntervalY);
+            sheet.properties.SetColor("_BackgroundColor", settings.BackgroundColor);
+
+            cmd.BlitFullscreenTriangle(context.source, context.destination, sheet, 0);
+            cmd.EndSample(PROFILER_TAG);
+        }
+    }
+}

Assets/X-PostProcessing/Effects/PixelizeCircle/Editor/PixelizeCircleEditor.cs

@@ -0,0 +1,16 @@
+
+# Pixelize Circle
+
+## Source Code List
+- [Shader Code](Shader/PixelizeCircle.shader)
+- [C# Code](PixelizeCircle.cs)
+- [Editor Code](Editor/PixelizeCircleEditor.cs)
+
+
+## Property
+![](https://raw.githubusercontent.com/QianMo/X-PostProcessing-Gallery/master/Media/Pixelize/PixelizeCircle/PixelizeCircleProperty.jpg)
+
+## Gallery
+![](https://raw.githubusercontent.com/QianMo/X-PostProcessing-Gallery/master/Media/Pixelize/PixelizeCircle/PixelizeCircle.jpg)
+
+![](https://raw.githubusercontent.com/QianMo/X-PostProcessing-Gallery/master/Media/Pixelize/PixelizeCircle/PixelizeCircle.gif)

Assets/X-PostProcessing/Effects/PixelizeCircle/Editor/PixelizeCircleEditor.cs.meta

@@ -0,0 +1,70 @@
+//----------------------------------------------------------------------------------------------------------
+// X-PostProcessing Library
+// created by QianMo @ 2020
+//----------------------------------------------------------------------------------------------------------
+
+Shader "Hidden/X-PostProcessing/PixelizeCircle"
+{
+	SubShader
+	{
+		Cull Off ZWrite Off ZTest Always
+		
+		Pass
+		{
+			HLSLPROGRAM
+			
+			#pragma vertex VertDefault
+			#pragma fragment Frag
+			
+			#include "../../../Shaders/StdLib.hlsl"
+			#include "../../../Shaders/XPostProcessing.hlsl"
+			
+			
+			
+			float4 _Params;
+			float _PixelRatio;
+			float _PixelIntervalX;
+			float _PixelIntervalY;
+			half4 _BackgroundColor;
+
+
+			float4 CirclePixelize(float2 uv)
+			{
+				float pixelScale = 1.0 / _Params.x;
+
+				float ratio = _ScreenParams.y / _ScreenParams.x;
+				uv.x = uv.x / ratio;
+
+				//x和y坐标分别除以缩放系数，在用floor向下取整，再乘以缩放系数，得到分段UV
+				float2 coord = half2(_PixelIntervalX *  floor(uv.x / (pixelScale * _PixelIntervalX)), (_PixelIntervalY)* floor(uv.y / (pixelScale * _PixelIntervalY)));
+
+				//求解圆心坐标
+				float2 circleCenter = coord * pixelScale + pixelScale * 0.5;
+
+				//计算当前uv值隔圆心的距离，并乘以缩放系数
+				float dist = length(uv - circleCenter) * _Params.x;
+				//圆心坐标乘以缩放系数
+				circleCenter.x *= ratio;
+
+				//采样
+				float4 screenColor = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, circleCenter);
+
+				//对于距离大于半径的像素，替换为背景色
+				if (dist > _Params.z)  screenColor = _BackgroundColor;
+
+				return screenColor;
+			}
+		
+			
+			
+			float4 Frag(VaryingsDefault i): SV_Target
+			{
+
+				return CirclePixelize(i.texcoord);
+			}
+			
+			ENDHLSL
+			
+		}
+	}
+}

Assets/X-PostProcessing/Effects/PixelizeCircle/PixelizeCircle.cs

@@ -0,0 +1,39 @@
+//----------------------------------------------------------------------------------------------------------
+// X-PostProcessing Library
+// created by QianMo @ 2020
+//----------------------------------------------------------------------------------------------------------
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+using UnityEditor.Rendering.PostProcessing;
+using UnityEngine.Rendering.PostProcessing;
+
+namespace XPostProcessing
+{
+    [PostProcessEditor(typeof(PixelizeDiamond))]
+    public sealed class PixelizeDiamondEditor : PostProcessEffectEditor<PixelizeDiamond>
+    {
+
+        SerializedParameterOverride pixelSize;
+
+
+        public override void OnEnable()
+        {
+            pixelSize = FindParameterOverride(x => x.pixelSize);
+        }
+
+        public override string GetDisplayTitle()
+        {
+            return XPostProcessingEditorUtility.DISPLAY_TITLE_PREFIX + base.GetDisplayTitle();
+        }
+
+        public override void OnInspectorGUI()
+        {
+            PropertyField(pixelSize);
+        }
+
+    }
+}