Merge branch 'release/0.7.0'

CHANGELOG.md

@@ -1,5 +1,13 @@
 # ChangeLog
 
+## 0.7.0 (2020-02-07)
+
+- 加入高斯模糊V1版本（纯原理篇）
+
+## 0.6.0 (2020-01-17)
+
+- 加入新的圆角裁剪特效 v2 ，支持任意宽高纹理圆角裁剪
+
 ## 0.5.0 (2020-01-13)
 
 - 加入扫光特效

README.md

@@ -1,6 +1,6 @@
 # Cocos Creator Shader Effect Demo
 
-[![](https://img.shields.io/badge/Release-0.5.0-green.svg)](CHANGELOG.md)
+[![](https://img.shields.io/badge/Release-0.7.0-green.svg)](CHANGELOG.md)
 [![](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
 [![](https://img.shields.io/badge/Support-Cocos%20Creator%20v2.2.1-orange.svg)](http://www.cocos.com/creator)
 
@@ -19,6 +19,9 @@
 * [Cocos Creator Shader Effect 系列 - 4 - 老照片特效](https://www.jianshu.com/p/711a54ff2fa0)
 * [Cocos Creator Shader Effect 系列 - 5 - 马赛克/像素化特效](https://www.jianshu.com/p/40e72ab76afd)
 * [Cocos Creator Shader Effect 系列 - 6 - 内发光特效](https://www.jianshu.com/p/326b73f86ecc)
+* [Cocos Creator Shader Effect 系列 - 7 - 点光/扫光特效](https://www.jianshu.com/p/8ff03b34b0bd)
+* [Cocos Creator Shader Effect 系列 - 8 - 高斯模糊](https://www.jianshu.com/p/9e42cbb1d4a8)
+
 
 * 编写中...
 
@@ -26,13 +29,7 @@
 
 ## 三、特效预览
 
-### 扫光（实现原理，可能在编写中，催更可到底部扫码，支持急件~🤣）(2020.01.13更新）
 
-![](static/effects/2d-sprite-flash-light.gif)
-
-### 点光（实现原理，可能在编写中，催更可到底部扫码，支持急件~🤣）(2020.01.12更新）
-
-![](static/effects/2d-sprite-point-light.gif)
 
 ### 内发光（[实现原理](https://www.jianshu.com/p/326b73f86ecc)）
 
@@ -50,14 +47,38 @@
 
 ![](static/effects/2d-sprite-gray.gif)
 
-### 圆角裁剪
+### 点光（[实现原理](https://www.jianshu.com/p/8ff03b34b0bd)）(2020.01.12更新）
+
+![](static/effects/2d-sprite-point-light.gif)
+
+### 扫光（实现原理同点光一样，可参考[点光实现原理文章](https://www.jianshu.com/p/711a54ff2fa0)）(2020.01.13更新）
+
+![](static/effects/2d-sprite-flash-light.gif)
+
+### 圆角裁剪-v1（2020.01.17更新）
 
 > * 声明：此特效为搬运过来的特效，非原创。
 > * 修改的地方：搬运后，在原来的主要代码上加入了自己的理解注释
 > * 实现原理：参考文章 [《圆角计算 Shader》](https://www.cnblogs.com/jqm304775992/p/4987793.html)
 > * 参考代码：Cocos 论坛帖子[《分享更高效的 creator 裁圆角头像 shader》](https://forum.cocos.org/t/creator-shader-2019-10-22-2-2-0/82548) 和对应的 [实现代码](https://github.com/yanjifa/shaderDemo/blob/master/assets/Effect/CircleAvatar.effect)
 
-![](static/effects/2d-sprite-round-corner-crop.gif)
+**此版本存在局限性：只有在正方形纹理上，才能裁剪出圆角，在非正方形上，无法裁剪出圆角，具体变现为有拉伸效果**
+
+如：下面GIF中第3到5秒演示所示，黄色和红色的非正方形纹理的圆角明显被拉伸
+
+![](static/effects/2d-sprite-round-corner-crop-v1.gif)
+
+### 圆角裁剪-v2（2020.01.17更新）
+
+在 **圆角裁剪-v1** 的原理基础上，新增支持任意宽高纹理的圆角裁剪
+
+如：下面Gif中第3到5秒演示所示，黄色和红色的非正方形纹理也能裁剪出圆角效果
+
+![](static/effects/2d-sprite-round-corner-crop-v2.gif)
+
+### 高斯模糊-V1（[实现原理](https://www.jianshu.com/p/9e42cbb1d4a8)）2020.02.07更新）
+
+![](static/effects/2d-sprite-gaussian-blur-v1.png)
 
 ### 外发光（完善中...）
 

assets/effects/sprite-gaussian-blur-v1.effect

@@ -0,0 +1,196 @@
+// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.  
+// 高斯模糊
+//
+// 参考资料（必读）
+// * http://www.ruanyifeng.com/blog/2012/11/gaussian_blur.html
+// * https://zh.wikipedia.org/wiki/%E9%AB%98%E6%96%AF%E6%A8%A1%E7%B3%8A
+
+
+CCEffect %{
+  techniques:
+  - passes:
+    - vert: vs
+      frag: fs
+      blendState:
+        targets:
+        - blend: true
+      rasterizerState:
+        cullMode: none
+      properties:
+        texture: { value: white }
+        alphaThreshold: { value: 0.5 }
+        # # 标准方差值
+        # stDev: {
+        #   value: 0.84089642,
+        #   inspector: {
+        #     tooltip: "标准方差值"
+        #   }
+        # }
+
+        # 纹理尺寸
+        textureSize: { 
+          value: [100.0, 100.0],
+          inspector: {
+            tooltip: "纹理尺寸px（宽 x 高）"
+          }
+        }
+}%
+
+
+CCProgram vs %{
+  precision highp float;
+
+  #include <cc-global>
+  #include <cc-local>
+
+  in vec3 a_position;
+  in vec4 a_color;
+  out vec4 v_color;
+
+  #if USE_TEXTURE
+  in vec2 a_uv0;
+  out vec2 v_uv0;
+  #endif
+
+  void main () {
+    vec4 pos = vec4(a_position, 1);
+
+    #if CC_USE_MODEL
+    pos = cc_matViewProj * cc_matWorld * pos;
+    #else
+    pos = cc_matViewProj * pos;
+    #endif
+
+    #if USE_TEXTURE
+    v_uv0 = a_uv0;
+    #endif
+
+    v_color = a_color;
+
+    gl_Position = pos;
+  }
+}%
+
+
+CCProgram fs %{
+  precision highp float;
+  
+  #include <alpha-test>
+
+  in vec4 v_color;
+
+  #if USE_TEXTURE
+  in vec2 v_uv0;
+  uniform sampler2D texture;
+  #endif
+
+  #if ENABLE_GAUSSIAN_BLUR
+
+  // 定义无理数
+  #define e 2.718281828459045
+
+  // 定义标准方差值（方差值越大，越模糊，但是需要计算的高斯矩阵范围会变大，从而带来巨大的计算量）
+  // #define stDev 0.84089642
+  #define stDev 1.5
+  // #define stDev 5.0
+  // #define stDev 10.0
+
+  // 定义π
+  #define pi 3.141592653589793
+
+  // 接收外部变量
+  uniform GaussianBlur {
+    // 纹理尺寸（宽 x 高）（px）
+    vec2 textureSize;
+
+    // // 标准方差值
+    // float stDev;
+  }
+
+  /**
+   * 获取权重(对应二维高斯函数公式，见 https://zh.wikipedia.org/wiki/%E9%AB%98%E6%96%AF%E6%A8%A1%E7%B3%8A )
+   */
+  float getWeight(float x, float y) {
+    return (1.0 / (2.0 * pi * pow(stDev, 2.0))) * pow(1.0 / e, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(stDev, 2.0)));
+  }
+
+  #endif
+
+  void main () {
+    vec4 o = vec4(1, 1, 1, 1);
+
+    #if USE_TEXTURE
+    o *= texture(texture, v_uv0);
+      #if CC_USE_ALPHA_ATLAS_TEXTURE
+      o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;
+      #endif
+    #endif
+
+    o *= v_color;
+
+    ALPHA_TEST(o);
+
+    gl_FragColor = o;
+    #if ENABLE_GAUSSIAN_BLUR
+
+      // 根据高斯分布（也叫正态分布），在3个标准差范围内的分布比例占到99%的权重，因此我们只需要计算矩阵范围 [6 * stDev + 1, 6 * stDev +1] 上的权重
+      const float size = floor(stDev * 6.0 + 1.0);
+      const float halfSize = floor(size / 2.0);
+
+      // 步骤一：计算高斯矩阵上所有权重的和
+
+      // // v1：遍历所有点，每个点都计算权重
+      // float totalWeight = 0.0; 
+      // for(float x = -halfSize; x<= halfSize; x++) {
+      //   for (float y = -halfSize; y<= halfSize; y++) {
+      //     totalWeight += getWeight(x, y);
+      //   }
+      // } 
+
+      // v2：因为高斯分布是对称的，所以只计算原点、X轴正方向 * 2 、Y轴正方向 * 2 、第一象限的权重 * 4即可求出所有权重之和，相比起v1版本，减少很多循环计算
+
+      // 原点
+      float totalWeight = getWeight(0.0, 0.0);
+
+      // X轴正方向上的权重 * 2.0 就是整个X轴上的权重
+      for(float x = 1.0; x <= halfSize; x++) {
+          totalWeight += getWeight(x, 0.0) * 2.0;
+      } 
+      // Y轴正方向上的权重 * 2.0 就是整个Y轴上的权重
+      for(float y = 1.0; y <= halfSize; y++) {
+          totalWeight += getWeight(0.0, y) * 2.0;
+      } 
+      // 第一象限的权重 * 4.0 就是4个象限的权重
+      for(float x = 1.0; x <= halfSize; x++) {
+        for (float y = 1.0; y<= halfSize; y++) {
+          totalWeight += getWeight(x, y) * 4.0;
+        }
+      }
+
+      // TODO:
+      //
+      // 因为权重矩阵是一次性计算即可不断应用，因此可以将权重矩阵的计算放到CPU计算，并传入到Shader直接渲染，因此有以下优化方案
+      //
+      // v3：原始权重矩阵在CPU计算并传入到Shader
+      // v4：加权平均后的权重矩阵在CPU计算并传入Shader
+
+
+      // 步骤二：采样周边像素并应用加权平均值，得出最终像素值
+      vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);
+      // float divider = 0.01; 
+      float onePxWidth = 1.0 / textureSize.x;
+      float onePxHeight = 1.0 / textureSize.y;
+      for(float x = -halfSize; x<= halfSize; x++) {
+        for (float y = -halfSize; y<= halfSize; y++) {
+          // 求出对应坐标的真正权重（对应权重矩阵）
+          float weight = getWeight(x, y) / totalWeight;
+
+          // 求出对应坐标像素颜色值的加权值
+          // finalColor += texture(texture, v_uv0 + vec2(divider * x, divider * y)) * weight;
+          finalColor += texture(texture, v_uv0 + vec2(onePxWidth * x, onePxHeight * y)) * weight;
+        }
+      }
+      gl_FragColor = finalColor;
+    #endif
+  }
+}%

assets/effects/sprite-gaussian-blur-v1.effect.meta

@@ -0,0 +1,17 @@
+{
+  "ver": "1.0.23",
+  "uuid": "41f4d474-d707-45bb-af93-637573f92d54",
+  "compiledShaders": [
+    {
+      "glsl1": {
+        "vert": "\nprecision highp float;\nuniform mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\n\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\n\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n\n  v_color = a_color;\n\n  gl_Position = pos;\n}\n",
+        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_GAUSSIAN_BLUR\n\nuniform vec2 textureSize;\n/**\n * 获取权重(对应二维高斯函数公式，见 https:\n\n */\nfloat getWeight(float x, float y) {\n  return (1.0 / (2.0 * 3.141592653589793 * pow(1.5, 2.0))) * pow(1.0 / 2.718281828459045, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(1.5, 2.0)));\n}\n\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture2D(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  gl_FragColor = o;\n  #if ENABLE_GAUSSIAN_BLUR\n\n    const float size = floor(1.5 * 6.0 + 1.0);\n    const float halfSize = floor(size / 2.0);\n\n    float totalWeight = getWeight(0.0, 0.0);\n\n    for(float x = 1.0; x <= halfSize; x++) {\n        totalWeight += getWeight(x, 0.0) * 2.0;\n    }\n\n    for(float y = 1.0; y <= halfSize; y++) {\n        totalWeight += getWeight(0.0, y) * 2.0;\n    }\n\n    for(float x = 1.0; x <= halfSize; x++) {\n      for (float y = 1.0; y<= halfSize; y++) {\n        totalWeight += getWeight(x, y) * 4.0;\n      }\n    }\n\n    vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);\n\n    float onePxWidth = 1.0 / textureSize.x;\n    float onePxHeight = 1.0 / textureSize.y;\n    for(float x = -halfSize; x<= halfSize; x++) {\n      for (float y = -halfSize; y<= halfSize; y++) {\n\n        float weight = getWeight(x, y) / totalWeight;\n\n        finalColor += texture2D(texture, v_uv0 + vec2(onePxWidth * x, onePxHeight * y)) * weight;\n      }\n    }\n    gl_FragColor = finalColor;\n  #endif\n}\n"
+      },
+      "glsl3": {
+        "vert": "\nprecision highp float;\nuniform CCGlobal {\n  vec4 cc_time;\n\n  vec4 cc_screenSize;\n\n  vec4 cc_screenScale;\n\n  vec4 cc_nativeSize;\n\n  mat4 cc_matView;\n  mat4 cc_matViewInv;\n  mat4 cc_matProj;\n  mat4 cc_matProjInv;\n  mat4 cc_matViewProj;\n  mat4 cc_matViewProjInv;\n  vec4 cc_cameraPos;\n\n  vec4 cc_exposure;\n\n  vec4 cc_mainLitDir;\n\n  vec4 cc_mainLitColor;\n\n  vec4 cc_ambientSky;\n  vec4 cc_ambientGround;\n};\nuniform CCLocal {\n  mat4 cc_matWorld;\n  mat4 cc_matWorldIT;\n};\n\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\n\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n\n  v_color = a_color;\n\n  gl_Position = pos;\n}\n",
+        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform ALPHA_TEST {\n    float alphaThreshold;\n  }\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nin vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_GAUSSIAN_BLUR\n\nuniform GaussianBlur {\n\n  vec2 textureSize;\n\n}\n\n/**\n * 获取权重(对应二维高斯函数公式，见 https:\n\n */\nfloat getWeight(float x, float y) {\n  return (1.0 / (2.0 * 3.141592653589793 * pow(1.5, 2.0))) * pow(1.0 / 2.718281828459045, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(1.5, 2.0)));\n}\n\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  gl_FragColor = o;\n  #if ENABLE_GAUSSIAN_BLUR\n\n    const float size = floor(1.5 * 6.0 + 1.0);\n    const float halfSize = floor(size / 2.0);\n\n    float totalWeight = getWeight(0.0, 0.0);\n\n    for(float x = 1.0; x <= halfSize; x++) {\n        totalWeight += getWeight(x, 0.0) * 2.0;\n    }\n\n    for(float y = 1.0; y <= halfSize; y++) {\n        totalWeight += getWeight(0.0, y) * 2.0;\n    }\n\n    for(float x = 1.0; x <= halfSize; x++) {\n      for (float y = 1.0; y<= halfSize; y++) {\n        totalWeight += getWeight(x, y) * 4.0;\n      }\n    }\n\n    vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);\n\n    float onePxWidth = 1.0 / textureSize.x;\n    float onePxHeight = 1.0 / textureSize.y;\n    for(float x = -halfSize; x<= halfSize; x++) {\n      for (float y = -halfSize; y<= halfSize; y++) {\n\n        float weight = getWeight(x, y) / totalWeight;\n\n        finalColor += texture(texture, v_uv0 + vec2(onePxWidth * x, onePxHeight * y)) * weight;\n      }\n    }\n    gl_FragColor = finalColor;\n  #endif\n}\n"
+      }
+    }
+  ],
+  "subMetas": {}
+}

assets/effects/sprite-point-light.effect

@@ -117,7 +117,7 @@ CCProgram fs %{
    * 添加某个扩散点后混合后的纹理颜色
    */
   vec4 addLightColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {
-    // 计算当前 uv 到扩散起点的距离
+    // 计算当前 uv 到圆心起点的距离
     float dis = distance(v_uv0, centerPoint);
 
     float a = 1.0 ;
@@ -127,7 +127,7 @@ CCProgram fs %{
       a *= step(0.01, textureColor.a);
     }
 
-    // 裁剪掉扩散范围外的uv（迷雾效果）
+    // 裁剪掉圆范围外的uv（迷雾效果）
     if (!enableFog) {
       a *= step(dis, radius);
     }
@@ -135,11 +135,11 @@ CCProgram fs %{
     // 加入从中心往外渐变的效果
     a *= 1.0 - (dis / radius);
 
-    // 计算出扩散范围内，不同 uv 对应的实际扩散颜色值
+    // 计算出圆范围内，不同 uv 对应的实际颜色值
-    vec4 diffusionColor = centerColor * a;
+    vec4 lightColor = centerColor * a;
 
-    // 混合颜色：在原始图像颜色上叠加扩散颜色
+    // 混合颜色：在原始图像颜色上叠加圆颜色
-    return textureColor * textureColor.a + diffusionColor;
+    return textureColor * textureColor.a + lightColor;
   }
   #endif
 

assets/effects/sprite-point-light.effect.meta

@@ -5,11 +5,11 @@
     {
       "glsl1": {
         "vert": "\nprecision highp float;\nuniform mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\n\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\n\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n\n  v_color = a_color;\n\n  gl_Position = pos;\n}\n",
-        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_DIFFUSION\nuniform vec4 centerColor;\nuniform vec2 centerPoint;\nuniform float radius;\nuniform bool cropAlpha;\nuniform bool enableFog;\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addLightColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n  float dis = distance(v_uv0, centerPoint);\n\n  float a = 1.0 ;\n\n  if (cropAlpha) {\n    a *= step(0.01, textureColor.a);\n  }\n\n  if (!enableFog) {\n    a *= step(dis, radius);\n  }\n\n  a *= 1.0 - (dis / radius);\n\n  vec4 diffusionColor = centerColor * a;\n\n  return textureColor * textureColor.a + diffusionColor;\n}\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture2D(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  gl_FragColor = o;\n  \n  #if ENABLE_DIFFUSION\n  gl_FragColor = addLightColor(gl_FragColor, centerPoint, radius, centerColor);\n  #endif\n}\n"
+        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_DIFFUSION\nuniform vec4 centerColor;\nuniform vec2 centerPoint;\nuniform float radius;\nuniform bool cropAlpha;\nuniform bool enableFog;\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addLightColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n  float dis = distance(v_uv0, centerPoint);\n\n  float a = 1.0 ;\n\n  if (cropAlpha) {\n    a *= step(0.01, textureColor.a);\n  }\n\n  if (!enableFog) {\n    a *= step(dis, radius);\n  }\n\n  a *= 1.0 - (dis / radius);\n\n  vec4 lightColor = centerColor * a;\n\n  return textureColor * textureColor.a + lightColor;\n}\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture2D(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  gl_FragColor = o;\n  \n  #if ENABLE_DIFFUSION\n  gl_FragColor = addLightColor(gl_FragColor, centerPoint, radius, centerColor);\n  #endif\n}\n"
       },
       "glsl3": {
         "vert": "\nprecision highp float;\nuniform CCGlobal {\n  vec4 cc_time;\n\n  vec4 cc_screenSize;\n\n  vec4 cc_screenScale;\n\n  vec4 cc_nativeSize;\n\n  mat4 cc_matView;\n  mat4 cc_matViewInv;\n  mat4 cc_matProj;\n  mat4 cc_matProjInv;\n  mat4 cc_matViewProj;\n  mat4 cc_matViewProjInv;\n  vec4 cc_cameraPos;\n\n  vec4 cc_exposure;\n\n  vec4 cc_mainLitDir;\n\n  vec4 cc_mainLitColor;\n\n  vec4 cc_ambientSky;\n  vec4 cc_ambientGround;\n};\nuniform CCLocal {\n  mat4 cc_matWorld;\n  mat4 cc_matWorldIT;\n};\n\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\n\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n\n  v_color = a_color;\n\n  gl_Position = pos;\n}\n",
-        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform ALPHA_TEST {\n    float alphaThreshold;\n  }\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nin vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_DIFFUSION\nuniform Diffusion {\n\n  vec4 centerColor;\n\n  vec2 centerPoint;\n\n  float radius;\n\n  bool cropAlpha;\n\n  bool enableFog;\n}\n\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addLightColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n  float dis = distance(v_uv0, centerPoint);\n\n  float a = 1.0 ;\n\n  if (cropAlpha) {\n    a *= step(0.01, textureColor.a);\n  }\n\n  if (!enableFog) {\n    a *= step(dis, radius);\n  }\n\n  a *= 1.0 - (dis / radius);\n\n  vec4 diffusionColor = centerColor * a;\n\n  return textureColor * textureColor.a + diffusionColor;\n}\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  gl_FragColor = o;\n  \n  #if ENABLE_DIFFUSION\n  gl_FragColor = addLightColor(gl_FragColor, centerPoint, radius, centerColor);\n  #endif\n}\n"
+        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform ALPHA_TEST {\n    float alphaThreshold;\n  }\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nin vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_DIFFUSION\nuniform Diffusion {\n\n  vec4 centerColor;\n\n  vec2 centerPoint;\n\n  float radius;\n\n  bool cropAlpha;\n\n  bool enableFog;\n}\n\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addLightColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n  float dis = distance(v_uv0, centerPoint);\n\n  float a = 1.0 ;\n\n  if (cropAlpha) {\n    a *= step(0.01, textureColor.a);\n  }\n\n  if (!enableFog) {\n    a *= step(dis, radius);\n  }\n\n  a *= 1.0 - (dis / radius);\n\n  vec4 lightColor = centerColor * a;\n\n  return textureColor * textureColor.a + lightColor;\n}\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  gl_FragColor = o;\n  \n  #if ENABLE_DIFFUSION\n  gl_FragColor = addLightColor(gl_FragColor, centerPoint, radius, centerColor);\n  #endif\n}\n"
       }
     }
   ],

assets/effects/sprite-round-corner-crop-v1.effect

@@ -1,5 +1,7 @@
 // Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.  
-// 圆角裁剪
+//
+// 圆角裁剪（仅支持正方形纹理）
+//
 // 原理：https://www.cnblogs.com/jqm304775992/p/4987793.html
 // 代码：复制 yanjifa/shaderDemor 的 https://github.com/yanjifa/shaderDemo/blob/master/assets/Effect/CircleAvatar.effect
 
@@ -17,8 +19,8 @@ CCEffect %{
         texture: { value: white }
         alphaThreshold: { value: 0.5 }
         # 圆角半径
-        roundCornerRadius: {
+        radius: {
-          value: 0.1,
+          value: 0.4,
           inspector: {
             tooltip: "圆角半径",
             range: [0.0, 0.5]
@@ -77,7 +79,7 @@ CCProgram fs %{
   #if ENABLE_ROUNDCORNER
   uniform RoundCorner {
     // 圆角半径
-    float roundCornerRadius;
+    float radius;
   }
   #endif
 
@@ -97,17 +99,17 @@ CCProgram fs %{
 
     #if ENABLE_ROUNDCORNER
     // 约束圆角半径范围在 [0.0, 0.5]
-    float radius = clamp(0.0, 0.5, roundCornerRadius);
+    float circleRadius = clamp(0.0, 0.5, radius);
 
-    // 将纹理uv往左下偏移，实现偏移后的纹理中心点在 OpenGL 坐标系的原点
+    // 将纹理uv往左上偏移，实现偏移后的坐标系原点在纹理中心
     vec2 uv = v_uv0.xy - vec2(0.5, 0.5);
 
     // uv.x , uv.y :              为偏移后的的uv
     // abs(uv.x) , abs(uv.y) :    将第二、三、四象限的点都投影到第一象限上，这样子只需要处理第一象限的情况就可以，简化判断
     // 0.5 - radius :             计算出第一象限的圆角所在圆的圆心坐标
     // (rx, ry) :                 偏移映射后的 新的uv 坐标，相对于 第一象限圆角坐在圆心坐标 的相对坐标
-    float rx = abs(uv.x) - (0.5 - radius);
+    float rx = abs(uv.x) - (0.5 - circleRadius);
-    float ry = abs(uv.y) - (0.5 - radius);
+    float ry = abs(uv.y) - (0.5 - circleRadius);
 
     // 区分 以第一象限圆角所在圆心坐标为原点的坐标的四个象限
     //
@@ -117,26 +119,26 @@ CCProgram fs %{
     // 第四象限 mx = 1, my = 0
     // 
     // 当 mx * my 时，只要等于1，那就是标识第一象限（实际对应圆角区域所在矩形），否则就是第二、三、四象限
-    float mx = step(0.5 - radius, abs(uv.x));
+    float mx = step(0.5 - circleRadius, abs(uv.x));
-    float my = step(0.5 - radius, abs(uv.y));
+    float my = step(0.5 - circleRadius, abs(uv.y));
 
     // 计算相对uv坐标到圆心的距离
     float len = length(vec2(rx, ry));
 
     // mx * my = 0 时，代表非圆角区域，a 值为1，代表完全采用原始纹理的透明度
     // mx * my = 1 时，代表园所所在矩形区域
-    //  step(radius, len) 可以区分出圆角所在矩形区域的 圆角区域 和 非圆角区域
+    //  step(circleRadius, len) 可以区分出圆角所在矩形区域的 圆角区域 和 非圆角区域
     //    其中圆角区域值为0，非圆角区域值为1
     //      当为圆角区域时，a 值为1，代表完全采用原始纹理透明度
     //      当为非圆角区域时，a 值为0，代表完全透明
     //    至此已经实现圆角裁剪
     //  
-    //  smoothstep(0., radius * 0.01, len - radius) 是用于抗锯齿优化
+    //  smoothstep(0., circleRadius * 0.01, len - circleRadius) 是用于抗锯齿优化
     //    原理：针对点在非圆角区域的情况，针对点在大于「圆半径一点点」地方的区域，进行平滑过渡，以实现抗锯齿
     //    其中，
-    //      「圆半径一点点」用  radius * 0.01 表示（0.01 可自行改变）
+    //      「圆半径一点点」用  circleRadius * 0.01 表示（0.01 可自行改变）
-    //      点在大于圆半径的区域用 len - radius ，此值会在 [0.0, radius * 0.01] 之间时会平滑过渡
+    //      点在大于圆半径的区域用 len - circleRadius ，此值会在 [0.0, circleRadius * 0.01] 之间时会平滑过渡
-    float a = 1.0 - mx * my * step(radius, len) * smoothstep(0., radius * 0.01, len - radius);
+    float a = 1.0 - mx * my * step(circleRadius, len) * smoothstep(0., circleRadius * 0.01, len - circleRadius);
     o = vec4(o.rgb, o.a * a);
     #endif
     gl_FragColor = o;

assets/effects/sprite-round-corner-crop-v1.effect.meta

@@ -5,11 +5,11 @@
     {
       "glsl1": {
         "vert": "\nprecision highp float;\nuniform mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\n\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\n\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n\n  v_color = a_color;\n\n  gl_Position = pos;\n}\n",
-        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_ROUNDCORNER\nuniform float roundCornerRadius;\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture2D(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  #if ENABLE_ROUNDCORNER\n\n  float radius = clamp(0.0, 0.5, roundCornerRadius);\n\n  vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n  float rx = abs(uv.x) - (0.5 - radius);\n  float ry = abs(uv.y) - (0.5 - radius);\n\n  float mx = step(0.5 - radius, abs(uv.x));\n  float my = step(0.5 - radius, abs(uv.y));\n\n  float len = length(vec2(rx, ry));\n\n  float a = 1.0 - mx * my * step(radius, len) * smoothstep(0., radius * 0.01, len - radius);\n  o = vec4(o.rgb, o.a * a);\n  #endif\n  gl_FragColor = o;\n}\n"
+        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_ROUNDCORNER\nuniform float radius;\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture2D(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  #if ENABLE_ROUNDCORNER\n\n  float circleRadius = clamp(0.0, 0.5, radius);\n\n  vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n  float rx = abs(uv.x) - (0.5 - circleRadius);\n  float ry = abs(uv.y) - (0.5 - circleRadius);\n\n  float mx = step(0.5 - circleRadius, abs(uv.x));\n  float my = step(0.5 - circleRadius, abs(uv.y));\n\n  float len = length(vec2(rx, ry));\n\n  float a = 1.0 - mx * my * step(circleRadius, len) * smoothstep(0., circleRadius * 0.01, len - circleRadius);\n  o = vec4(o.rgb, o.a * a);\n  #endif\n  gl_FragColor = o;\n}\n"
       },
       "glsl3": {
         "vert": "\nprecision highp float;\nuniform CCGlobal {\n  vec4 cc_time;\n\n  vec4 cc_screenSize;\n\n  vec4 cc_screenScale;\n\n  vec4 cc_nativeSize;\n\n  mat4 cc_matView;\n  mat4 cc_matViewInv;\n  mat4 cc_matProj;\n  mat4 cc_matProjInv;\n  mat4 cc_matViewProj;\n  mat4 cc_matViewProjInv;\n  vec4 cc_cameraPos;\n\n  vec4 cc_exposure;\n\n  vec4 cc_mainLitDir;\n\n  vec4 cc_mainLitColor;\n\n  vec4 cc_ambientSky;\n  vec4 cc_ambientGround;\n};\nuniform CCLocal {\n  mat4 cc_matWorld;\n  mat4 cc_matWorldIT;\n};\n\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\n\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n\n  v_color = a_color;\n\n  gl_Position = pos;\n}\n",
-        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform ALPHA_TEST {\n    float alphaThreshold;\n  }\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nin vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_ROUNDCORNER\nuniform RoundCorner {\n\n  float roundCornerRadius;\n}\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  #if ENABLE_ROUNDCORNER\n\n  float radius = clamp(0.0, 0.5, roundCornerRadius);\n\n  vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n  float rx = abs(uv.x) - (0.5 - radius);\n  float ry = abs(uv.y) - (0.5 - radius);\n\n  float mx = step(0.5 - radius, abs(uv.x));\n  float my = step(0.5 - radius, abs(uv.y));\n\n  float len = length(vec2(rx, ry));\n\n  float a = 1.0 - mx * my * step(radius, len) * smoothstep(0., radius * 0.01, len - radius);\n  o = vec4(o.rgb, o.a * a);\n  #endif\n  gl_FragColor = o;\n}\n"
+        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform ALPHA_TEST {\n    float alphaThreshold;\n  }\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nin vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_ROUNDCORNER\nuniform RoundCorner {\n\n  float radius;\n}\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  #if ENABLE_ROUNDCORNER\n\n  float circleRadius = clamp(0.0, 0.5, radius);\n\n  vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n  float rx = abs(uv.x) - (0.5 - circleRadius);\n  float ry = abs(uv.y) - (0.5 - circleRadius);\n\n  float mx = step(0.5 - circleRadius, abs(uv.x));\n  float my = step(0.5 - circleRadius, abs(uv.y));\n\n  float len = length(vec2(rx, ry));\n\n  float a = 1.0 - mx * my * step(circleRadius, len) * smoothstep(0., circleRadius * 0.01, len - circleRadius);\n  o = vec4(o.rgb, o.a * a);\n  #endif\n  gl_FragColor = o;\n}\n"
       }
     }
   ],

assets/effects/sprite-round-corner-crop-v2.effect

@@ -0,0 +1,194 @@
+// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.  
+//
+// 圆角裁剪（支持任意宽高纹理）
+//
+// 原理：
+//  1. 正方形纹理的圆角原理参考 https://www.cnblogs.com/jqm304775992/p/4987793.html 
+//  2. 正方形纹理的圆角代码参考 yanjifa/shaderDemor 的 https://github.com/yanjifa/shaderDemo/blob/master/assets/Effect/CircleAvatar.effect
+//  3. 上述皆为只针对正方形纹理做的操作，如果是长方形的纹理，那么圆角就会有拉伸后的效果，最后变成看起来就不是圆角了，本特效支持任意长方形做圆角
+
+CCEffect %{
+  techniques:
+  - passes:
+    - vert: vs
+      frag: fs
+      blendState:
+        targets:
+        - blend: true
+      rasterizerState:
+        cullMode: none
+      properties:
+        texture: { value: white }
+        alphaThreshold: { value: 0.5 }
+
+        # 圆角x轴半径长度（相对于纹理宽度）
+        xRadius: {
+          value: 0.4,
+          inspector: {
+            tooltip: "圆角x轴半径长度（相对于纹理宽度）",
+            range: [0.0, 0.5]
+          }
+        }
+
+        # 圆角y轴半径长度（相对于纹理高度）
+        yRadius: {
+          value: 0.4,
+          inspector: {
+            tooltip: "圆角y轴半径长度（相对于纹理高度）",
+            range: [0.0, 0.5]
+          }
+        }
+}%
+
+
+CCProgram vs %{
+  precision highp float;
+
+  #include <cc-global>
+  #include <cc-local>
+
+  in vec3 a_position;
+  in vec4 a_color;
+  out vec4 v_color;
+
+  #if USE_TEXTURE
+  in vec2 a_uv0;
+  out vec2 v_uv0;
+  #endif
+
+  void main () {
+    vec4 pos = vec4(a_position, 1);
+
+    #if CC_USE_MODEL
+    pos = cc_matViewProj * cc_matWorld * pos;
+    #else
+    pos = cc_matViewProj * pos;
+    #endif
+
+    #if USE_TEXTURE
+    v_uv0 = a_uv0;
+    #endif
+
+    v_color = a_color;
+
+    gl_Position = pos;
+  }
+}%
+
+
+CCProgram fs %{
+  precision highp float;
+  
+  #include <alpha-test>
+
+  in vec4 v_color;
+
+  #if USE_TEXTURE
+  in vec2 v_uv0;
+  uniform sampler2D texture;
+  #endif
+
+  #if ENABLE_ROUNDCORNER
+  uniform RoundCorner {
+    // 圆角x轴半径长度（相对于纹理宽度）
+    float xRadius;
+
+    // 圆角y轴半径长度（相对于纹理高度）
+    float yRadius;
+  }
+  #endif
+
+  void main () {
+    vec4 o = vec4(1, 1, 1, 1);
+
+    #if USE_TEXTURE
+    o *= texture(texture, v_uv0);
+      #if CC_USE_ALPHA_ATLAS_TEXTURE
+      o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;
+      #endif
+    #endif
+
+    o *= v_color;
+
+    ALPHA_TEST(o);
+
+    #if ENABLE_ROUNDCORNER
+
+    // 约束圆角半径范围在 [0.0, 0.5]
+    // 
+    // 请注意这里我是用椭圆前缀去命名的半径
+    // 
+    // 为什么是椭圆？
+    // 
+    // 因为圆角，相对于长方形的纹理的宽高来说，归一化后值并不一样，不是圆，而是一个椭圆
+    //
+    // 比如：
+    //
+    // 纹理是 200 x 100 的像素，圆角半径是20像素，那么归一化后
+    //    X轴上的半径就是 20 / 200 = 0.1 
+    //    Y轴上的半径就是 20 / 100 = 0.2
+    //
+    // 这就会变成是椭圆，而不是圆
+    float ellipseXRadius = clamp(0.0, 0.5, xRadius);
+    float ellipseYRadius = clamp(0.0, 0.5, yRadius);
+
+    // 将纹理uv往左上偏移，实现偏移后的坐标系原点在纹理中心
+    vec2 uv = v_uv0.xy - vec2(0.5, 0.5);
+
+    // uv.x , uv.y :              为偏移后的的uv
+    // abs(uv.x) , abs(uv.y) :    将第二、三、四象限的点都投影到第一象限上，这样子只需要处理第一象限的情况就可以，简化判断
+    // 0.5 - radius :             计算出第一象限的圆角所在圆的圆心坐标
+    // (rx, ry) :                 偏移映射后的 新的uv 坐标，相对于 第一象限圆角坐在圆心坐标 的相对坐标
+    float rx = abs(uv.x) - (0.5 - ellipseXRadius);
+    float ry = abs(uv.y) - (0.5 - ellipseYRadius);
+
+    // 区分 以第一象限圆角所在圆心坐标为原点的坐标的四个象限
+    //
+    // 第一象限 mx = 1, my = 1
+    // 第二象限 mx = 0, my = 1
+    // 第三象限 mx = 0, my = 0
+    // 第四象限 mx = 1, my = 0
+    // 
+    // 当 mx * my 时，只要等于1，那就是标识第一象限（实际对应圆角区域所在矩形），否则就是第二、三、四象限
+    float mx = step(0.5 - ellipseXRadius, abs(uv.x));
+    float my = step(0.5 - ellipseYRadius, abs(uv.y));
+
+    // 判断点(rx, ry)是否在椭圆外部（应用椭圆公式）
+    float isOutOfEllipse = step(1.0, pow(rx, 2.0) / pow(xRadius, 2.0) + pow(ry, 2.0) / pow(yRadius, 2.0));
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // 抗锯齿
+    // 1. 先计算当前点到椭圆中心的角度
+    float angleInRadian = atan(ry / rx);
+
+    // 2. 计算这个角度下，对于对应圆角（椭圆）上的点 
+    vec2 pointInEllipse = vec2(xRadius * cos(angleInRadian), yRadius * sin(angleInRadian));
+
+    // 3. 计算这个角度下，比当前圆角大一点椭圆上的点
+    vec2 pointInBigEllipse = vec2((xRadius * 1.01) * cos(angleInRadian), (yRadius * 1.01)* sin(angleInRadian));
+
+    // 4. 计算最远点到当前椭圆的距离
+    float maxDis = distance(pointInBigEllipse, pointInEllipse);
+
+    // 5. 计算当前点到当前椭圆的距离
+    float curDis = distance(vec2(rx, ry), pointInEllipse);
+
+    // 6. 生成插值
+    float smo = smoothstep(0.0, maxDis, curDis);
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    // mx * my = 0 时，代表非椭圆角区域，alpha 值为1，代表完全采用原始纹理的透明度
+    // mx * my = 1 时，代表椭圆角所在矩形区域
+    //  isOutOfEllipse: 
+    //    当点在椭圆外部时，此值为1，导致 alpha 最终值为0.0，即表示不显示椭圆外部的像素
+    //    当点在椭圆内部时，此值为0，导致 alpha 最终值为1.0，即表示显示椭圆内部的像素
+    //  smo : 抗锯齿实现
+    // float alpha = 1.0 - mx * my * isOutOfEllipse;
+    float alpha = 1.0 - mx * my * isOutOfEllipse * smo;
+
+    o = vec4(o.rgb, o.a * alpha);
+
+    #endif
+    gl_FragColor = o;
+  }
+}%

assets/effects/sprite-round-corner-crop-v2.effect.meta

@@ -0,0 +1,17 @@
+{
+  "ver": "1.0.23",
+  "uuid": "7c24b57e-e819-4fc9-a8d2-b06cf61b782d",
+  "compiledShaders": [
+    {
+      "glsl1": {
+        "vert": "\nprecision highp float;\nuniform mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\n\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\n\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n\n  v_color = a_color;\n\n  gl_Position = pos;\n}\n",
+        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_ROUNDCORNER\nuniform float xRadius;\nuniform float yRadius;\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture2D(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  #if ENABLE_ROUNDCORNER\n\n  float ellipseXRadius = clamp(0.0, 0.5, xRadius);\n  float ellipseYRadius = clamp(0.0, 0.5, yRadius);\n\n  vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n  float rx = abs(uv.x) - (0.5 - ellipseXRadius);\n  float ry = abs(uv.y) - (0.5 - ellipseYRadius);\n\n  float mx = step(0.5 - ellipseXRadius, abs(uv.x));\n  float my = step(0.5 - ellipseYRadius, abs(uv.y));\n\n  float isOutOfEllipse = step(1.0, pow(rx, 2.0) / pow(xRadius, 2.0) + pow(ry, 2.0) / pow(yRadius, 2.0));\n\n  float angleInRadian = atan(ry / rx);\n\n  vec2 pointInEllipse = vec2(xRadius * cos(angleInRadian), yRadius * sin(angleInRadian));\n\n  vec2 pointInBigEllipse = vec2((xRadius * 1.01) * cos(angleInRadian), (yRadius * 1.01)* sin(angleInRadian));\n\n  float maxDis = distance(pointInBigEllipse, pointInEllipse);\n\n  float curDis = distance(vec2(rx, ry), pointInEllipse);\n\n  float smo = smoothstep(0.0, maxDis, curDis);\n\n  float alpha = 1.0 - mx * my * isOutOfEllipse * smo;\n\n  o = vec4(o.rgb, o.a * alpha);\n\n  #endif\n  gl_FragColor = o;\n}\n"
+      },
+      "glsl3": {
+        "vert": "\nprecision highp float;\nuniform CCGlobal {\n  vec4 cc_time;\n\n  vec4 cc_screenSize;\n\n  vec4 cc_screenScale;\n\n  vec4 cc_nativeSize;\n\n  mat4 cc_matView;\n  mat4 cc_matViewInv;\n  mat4 cc_matProj;\n  mat4 cc_matProjInv;\n  mat4 cc_matViewProj;\n  mat4 cc_matViewProjInv;\n  vec4 cc_cameraPos;\n\n  vec4 cc_exposure;\n\n  vec4 cc_mainLitDir;\n\n  vec4 cc_mainLitColor;\n\n  vec4 cc_ambientSky;\n  vec4 cc_ambientGround;\n};\nuniform CCLocal {\n  mat4 cc_matWorld;\n  mat4 cc_matWorldIT;\n};\n\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\n\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n\n  v_color = a_color;\n\n  gl_Position = pos;\n}\n",
+        "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n  \n  uniform ALPHA_TEST {\n    float alphaThreshold;\n  }\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\n\nin vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_ROUNDCORNER\nuniform RoundCorner {\n\n  float xRadius;\n\n  float yRadius;\n}\n#endif\n\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n\n  #if USE_TEXTURE\n  o *= texture(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n\n  o *= v_color;\n\n  ALPHA_TEST(o);\n\n  #if ENABLE_ROUNDCORNER\n\n  float ellipseXRadius = clamp(0.0, 0.5, xRadius);\n  float ellipseYRadius = clamp(0.0, 0.5, yRadius);\n\n  vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n  float rx = abs(uv.x) - (0.5 - ellipseXRadius);\n  float ry = abs(uv.y) - (0.5 - ellipseYRadius);\n\n  float mx = step(0.5 - ellipseXRadius, abs(uv.x));\n  float my = step(0.5 - ellipseYRadius, abs(uv.y));\n\n  float isOutOfEllipse = step(1.0, pow(rx, 2.0) / pow(xRadius, 2.0) + pow(ry, 2.0) / pow(yRadius, 2.0));\n\n  float angleInRadian = atan(ry / rx);\n\n  vec2 pointInEllipse = vec2(xRadius * cos(angleInRadian), yRadius * sin(angleInRadian));\n\n  vec2 pointInBigEllipse = vec2((xRadius * 1.01) * cos(angleInRadian), (yRadius * 1.01)* sin(angleInRadian));\n\n  float maxDis = distance(pointInBigEllipse, pointInEllipse);\n\n  float curDis = distance(vec2(rx, ry), pointInEllipse);\n\n  float smo = smoothstep(0.0, maxDis, curDis);\n\n  float alpha = 1.0 - mx * my * isOutOfEllipse * smo;\n\n  o = vec4(o.rgb, o.a * alpha);\n\n  #endif\n  gl_FragColor = o;\n}\n"
+      }
+    }
+  ],
+  "subMetas": {}
+}

assets/materials/sprite-gaussian-blur-v1.mtl

@@ -0,0 +1,14 @@
+{
+  "__type__": "cc.Material",
+  "_name": "",
+  "_objFlags": 0,
+  "_native": "",
+  "_effectAsset": {
+    "__uuid__": "41f4d474-d707-45bb-af93-637573f92d54"
+  },
+  "_defines": {
+    "USE_TEXTURE": true,
+    "ENABLE_GAUSSIAN_BLUR": true
+  },
+  "_props": {}
+}

assets/materials/sprite-gaussian-blur-v1.mtl.meta

@@ -0,0 +1,6 @@
+{
+  "ver": "1.0.2",
+  "uuid": "dd3d8f78-9b79-4ca7-9bf7-7a09f7b34108",
+  "dataAsSubAsset": null,
+  "subMetas": {}
+}

assets/materials/sprite-round-corner-crop-v1.mtl

@@ -10,7 +10,5 @@
     "USE_TEXTURE": true,
     "ENABLE_ROUNDCORNER": true
   },
-  "_props": {
+  "_props": {}
-    "roundCornerRadius": 0.1
-  }
 }

assets/materials/sprite-round-corner-crop-v2.mtl

@@ -0,0 +1,14 @@
+{
+  "__type__": "cc.Material",
+  "_name": "",
+  "_objFlags": 0,
+  "_native": "",
+  "_effectAsset": {
+    "__uuid__": "7c24b57e-e819-4fc9-a8d2-b06cf61b782d"
+  },
+  "_defines": {
+    "USE_TEXTURE": true,
+    "ENABLE_ROUNDCORNER": true
+  },
+  "_props": {}
+}

assets/materials/sprite-round-corner-crop-v2.mtl.meta

@@ -0,0 +1,6 @@
+{
+  "ver": "1.0.2",
+  "uuid": "a86e8864-5390-443f-b41b-b38e9d584c43",
+  "dataAsSubAsset": null,
+  "subMetas": {}
+}

assets/scenes/GaussianBlurV1EffectScene.fire

@@ -58,7 +58,7 @@
     "_groupIndex": 0,
     "groupIndex": 0,
     "autoReleaseAssets": false,
-    "_id": "6c351889-b6c8-409f-b36c-4263b06d0b23"
+    "_id": "147d5b9f-b769-4112-9daf-2e28236161fa"
   },
   {
     "__type__": "cc.Node",
@@ -171,7 +171,7 @@
       "array": [
         0,
         0,
-        418.2902700278839,
+        491.9024293495612,
         0,
         0,
         0,
@@ -428,7 +428,7 @@
   },
   {
     "__type__": "cc.Node",
-    "_name": "Sliders",
+    "_name": "Controller",
     "_objFlags": 0,
     "_parent": {
       "__id__": 5
@@ -459,7 +459,7 @@
     "_contentSize": {
       "__type__": "cc.Size",
       "width": 576,
-      "height": 60
+      "height": -36
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -497,7 +497,7 @@
   },
   {
     "__type__": "cc.Node",
-    "_name": "RoundCornerRadiusSlider",
+    "_name": "BlurSlider",
     "_objFlags": 0,
     "_parent": {
       "__id__": 9
@@ -513,7 +513,7 @@
         "__id__": 23
       }
     ],
-    "_active": true,
+    "_active": false,
     "_components": [
       {
         "__id__": 26
@@ -646,8 +646,8 @@
       }
     ],
     "_useOriginalSize": false,
-    "_string": "圆角半径：",
+    "_string": "模糊程度：",
-    "_N$string": "圆角半径：",
+    "_N$string": "模糊程度：",
     "_fontSize": 40,
     "_lineHeight": 40,
     "_enableWrapText": true,
@@ -1294,7 +1294,7 @@
     "_layoutSize": {
       "__type__": "cc.Size",
       "width": 576,
-      "height": 60
+      "height": -36
     },
     "_resize": 1,
     "_N$layoutType": 2,
@@ -1367,7 +1367,7 @@
     "_contentSize": {
       "__type__": "cc.Size",
       "width": 384,
-      "height": 629.73
+      "height": 805.73
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -1411,7 +1411,7 @@
       "__id__": 29
     },
     "_children": [],
-    "_active": false,
+    "_active": true,
     "_components": [
       {
         "__id__": 31
@@ -1475,7 +1475,7 @@
     "_enabled": true,
     "_materials": [
       {
-        "__uuid__": "642c2d0e-7eb6-4d65-96f2-d6e0d0305310"
+        "__uuid__": "dd3d8f78-9b79-4ca7-9bf7-7a09f7b34108"
       }
     ],
     "_srcBlendFactor": 770,
@@ -1499,7 +1499,7 @@
   },
   {
     "__type__": "cc.Node",
-    "_name": "freedom",
+    "_name": "gaussian_blur",
     "_objFlags": 0,
     "_parent": {
       "__id__": 29
@@ -1522,8 +1522,8 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 240,
+      "width": 316,
-      "height": 240
+      "height": 210
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -1535,7 +1535,7 @@
       "ctor": "Float64Array",
       "array": [
         0,
-        -120,
+        -177,
         0,
         0,
         0,
@@ -1557,7 +1557,7 @@
     "_is3DNode": false,
     "_groupIndex": 0,
     "groupIndex": 0,
-    "_id": "47hFX2oHFLvrpZ4r0ouXPs"
+    "_id": "0c1gWopWlLwLl+GiSUizBJ"
   },
   {
     "__type__": "cc.Sprite",
@@ -1569,16 +1569,16 @@
     "_enabled": true,
     "_materials": [
       {
-        "__uuid__": "642c2d0e-7eb6-4d65-96f2-d6e0d0305310"
+        "__uuid__": "dd3d8f78-9b79-4ca7-9bf7-7a09f7b34108"
       }
     ],
     "_srcBlendFactor": 770,
     "_dstBlendFactor": 771,
     "_spriteFrame": {
-      "__uuid__": "dbc8f785-d78b-4179-bfce-ffbf69396712"
+      "__uuid__": "91f28953-0d5f-4379-9ae6-f3f6afb3241c"
     },
     "_type": 0,
-    "_sizeMode": 0,
+    "_sizeMode": 1,
     "_fillType": 0,
     "_fillCenter": {
       "__type__": "cc.Vec2",
@@ -1589,7 +1589,7 @@
     "_fillRange": 0,
     "_isTrimmedMode": true,
     "_atlas": null,
-    "_id": "f61+UyKJdOyIJQABsng1SX"
+    "_id": "eckV5v4lpDULdq2uKByFTd"
   },
   {
     "__type__": "cc.Node",
@@ -1629,7 +1629,7 @@
       "ctor": "Float64Array",
       "array": [
         0,
-        -387,
+        -429,
         0,
         0,
         0,
@@ -1663,7 +1663,7 @@
     "_enabled": true,
     "_materials": [
       {
-        "__uuid__": "642c2d0e-7eb6-4d65-96f2-d6e0d0305310"
+        "__uuid__": "dd3d8f78-9b79-4ca7-9bf7-7a09f7b34108"
       }
     ],
     "_srcBlendFactor": 770,
@@ -1693,7 +1693,7 @@
       "__id__": 29
     },
     "_children": [],
-    "_active": false,
+    "_active": true,
     "_components": [
       {
         "__id__": 37
@@ -1723,7 +1723,7 @@
       "ctor": "Float64Array",
       "array": [
         0,
-        -564,
+        -606,
         0,
         0,
         0,
@@ -1757,7 +1757,7 @@
     "_enabled": true,
     "_materials": [
       {
-        "__uuid__": "642c2d0e-7eb6-4d65-96f2-d6e0d0305310"
+        "__uuid__": "dd3d8f78-9b79-4ca7-9bf7-7a09f7b34108"
       }
     ],
     "_srcBlendFactor": 770,
@@ -1787,7 +1787,7 @@
       "__id__": 29
     },
     "_children": [],
-    "_active": false,
+    "_active": true,
     "_components": [
       {
         "__id__": 39
@@ -1817,7 +1817,7 @@
       "ctor": "Float64Array",
       "array": [
         0,
-        -631,
+        -673,
         0,
         0,
         0,
@@ -1851,7 +1851,7 @@
     "_enabled": true,
     "_materials": [
       {
-        "__uuid__": "642c2d0e-7eb6-4d65-96f2-d6e0d0305310"
+        "__uuid__": "dd3d8f78-9b79-4ca7-9bf7-7a09f7b34108"
       }
     ],
     "_srcBlendFactor": 770,
@@ -1911,7 +1911,7 @@
       "ctor": "Float64Array",
       "array": [
         0,
-        -559.2,
+        -735.2,
         0,
         0,
         0,
@@ -1945,7 +1945,7 @@
     "_enabled": true,
     "_materials": [
       {
-        "__uuid__": "642c2d0e-7eb6-4d65-96f2-d6e0d0305310"
+        "__uuid__": "dd3d8f78-9b79-4ca7-9bf7-7a09f7b34108"
       }
     ],
     "_useOriginalSize": false,
@@ -2003,7 +2003,7 @@
       "ctor": "Float64Array",
       "array": [
         0,
-        -613.065,
+        -789.065,
         0,
         0,
         0,
@@ -2037,7 +2037,7 @@
     "_enabled": true,
     "_materials": [
       {
-        "__uuid__": "642c2d0e-7eb6-4d65-96f2-d6e0d0305310"
+        "__uuid__": "dd3d8f78-9b79-4ca7-9bf7-7a09f7b34108"
       }
     ],
     "_useOriginalSize": false,
@@ -2097,7 +2097,7 @@
     "_layoutSize": {
       "__type__": "cc.Size",
       "width": 384,
-      "height": 629.73
+      "height": 805.73
     },
     "_resize": 1,
     "_N$layoutType": 2,
@@ -2147,13 +2147,13 @@
     "_id": "4bz2+ak99DBYVlSVIMFGN0"
   },
   {
-    "__type__": "d3d2b7nIXNDbKEclKMbIFTC",
+    "__type__": "f460djPUfdEdrpZFw3saPVi",
     "_name": "",
     "_objFlags": 0,
     "node": {
       "__id__": 2
     },
     "_enabled": true,
-    "_id": "9ayfD37bZP1IEjPxGKO6+/"
+    "_id": "77Tlx8YKFO6aLFI6G67OJ+"
   }
 ]

assets/scenes/GaussianBlurV1EffectScene.fire.meta

@@ -0,0 +1,7 @@
+{
+  "ver": "1.2.5",
+  "uuid": "147d5b9f-b769-4112-9daf-2e28236161fa",
+  "asyncLoadAssets": false,
+  "autoReleaseAssets": false,
+  "subMetas": {}
+}

assets/scenes/RoundCornerCropV2EffectScene.fire.meta

@@ -0,0 +1,7 @@
+{
+  "ver": "1.2.5",
+  "uuid": "c2dec4ed-8129-40a2-9a1e-2440da772015",
+  "asyncLoadAssets": false,
+  "autoReleaseAssets": false,
+  "subMetas": {}
+}

assets/scripts/GaussianBlurV1EffectScene.ts

@@ -0,0 +1,54 @@
+const { ccclass, property } = cc._decorator;
+
+@ccclass
+export default class GaussianBlurV1EffectScene extends cc.Component {
+    private _blurSlider: cc.Slider = null;
+    private _blurSliderLabel: cc.Label = null;
+
+    private _examplesParentNode: cc.Node = null;
+
+    onLoad() {
+        cc.dynamicAtlasManager.enabled = false;
+
+        this._blurSlider = cc.find("Canvas/Content/Controller/BlurSlider/Slider").getComponent(cc.Slider);
+        this._blurSliderLabel = cc.find("Canvas/Content/Controller/BlurSlider/ValueLabel").getComponent(cc.Label);
+
+        this._examplesParentNode = cc.find("Canvas/Content/Examples");
+    }
+
+    onEnable() {
+        this._blurSlider.node.on("slide", this._onSliderChanged, this);
+    }
+
+    onDisable() {
+        this._blurSlider.node.off("slide", this._onSliderChanged, this);
+    }
+
+    start() {
+        this._onSliderChanged();
+    }
+
+    private _onSliderChanged() {
+        this._blurSliderLabel.string = `${this._blurSlider.progress.toFixed(2)}`;
+
+        // 更新材质
+        this._updateRenderComponentMaterial({});
+    }
+
+    /**
+     * 更新渲染组件的材质
+     *
+     * 1. 获取材质
+     * 2. 给材质的 unitform 变量赋值
+     * 3. 重新将材质赋值回去
+     */
+    private _updateRenderComponentMaterial(param: {}) {
+        this._examplesParentNode.children.forEach(childNode => {
+            childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
+                let material: cc.Material = renderComponent.getMaterial(0);
+                material.setProperty("textureSize", cc.v2(childNode.width, childNode.height));
+                renderComponent.setMaterial(0, material);
+            });
+        });
+    }
+}

assets/scripts/GaussianBlurV1EffectScene.ts.meta

@@ -1,6 +1,6 @@
 {
   "ver": "1.0.5",
-  "uuid": "d3d2bee7-2173-436c-a11c-94a31b2054c2",
+  "uuid": "f460d8cf-51f7-4476-ba59-170dec68f562",
   "isPlugin": false,
   "loadPluginInWeb": true,
   "loadPluginInNative": true,

assets/scripts/RoundCornerCropV1EffectScene.ts

@@ -1,9 +1,9 @@
 const { ccclass, property } = cc._decorator;
 
 @ccclass
-export default class RoundCornerCropEffectScene extends cc.Component {
+export default class RoundCornerCropV1EffectScene extends cc.Component {
-    private _roundCornerRadiuSlider: cc.Slider = null;
+    private _radiuSlider: cc.Slider = null;
-    private _roundCornerRadiuLabel: cc.Label = null;
+    private _radiuLabel: cc.Label = null;
 
     private _examplesParentNode: cc.Node = null;
 
@@ -11,18 +11,18 @@ export default class RoundCornerCropEffectScene extends cc.Component {
         // 关闭动态合图
         cc.dynamicAtlasManager.enabled = false;
 
-        this._roundCornerRadiuSlider = cc.find("Canvas/Content/Sliders/RoundCornerRadiusSlider/Slider").getComponent(cc.Slider);
+        this._radiuSlider = cc.find("Canvas/Content/Controller/RadiusSlider/Slider").getComponent(cc.Slider);
-        this._roundCornerRadiuLabel = cc.find("Canvas/Content/Sliders/RoundCornerRadiusSlider/ValueLabel").getComponent(cc.Label);
+        this._radiuLabel = cc.find("Canvas/Content/Controller/RadiusSlider/ValueLabel").getComponent(cc.Label);
 
         this._examplesParentNode = cc.find("Canvas/Content/Examples");
     }
 
     onEnable() {
-        this._roundCornerRadiuSlider.node.on("slide", this._onSliderChanged, this);
+        this._radiuSlider.node.on("slide", this._onSliderChanged, this);
     }
 
     onDisable() {
-        this._roundCornerRadiuSlider.node.off("slide", this._onSliderChanged, this);
+        this._radiuSlider.node.off("slide", this._onSliderChanged, this);
     }
 
     start() {
@@ -30,11 +30,11 @@ export default class RoundCornerCropEffectScene extends cc.Component {
     }
 
     private _onSliderChanged() {
-        this._roundCornerRadiuLabel.string = `${this._roundCornerRadiuSlider.progress.toFixed(2)}`;
+        this._radiuLabel.string = `${this._radiuSlider.progress.toFixed(2)}`;
 
         // 更新材质
         this._updateRenderComponentMaterial({
-            roundCornerRadius: this._roundCornerRadiuSlider.progress
+            radius: this._radiuSlider.progress
         });
     }
 
@@ -49,12 +49,12 @@ export default class RoundCornerCropEffectScene extends cc.Component {
         /**
          * 圆角半径 [0.0, 0.5] ，0.5 表示圆形裁剪
          */
-        roundCornerRadius: number;
+        radius: number;
     }) {
         this._examplesParentNode.children.forEach(childNode => {
             childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
                 let material: cc.Material = renderComponent.getMaterial(0);
-                material.setProperty("roundCornerRadius", param.roundCornerRadius);
+                material.setProperty("radius", param.radius);
                 renderComponent.setMaterial(0, material);
             });
         });

assets/scripts/RoundCornerCropV1EffectScene.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "1.0.5",
+  "uuid": "d27658c5-a966-4e50-a162-09c7af01579e",
+  "isPlugin": false,
+  "loadPluginInWeb": true,
+  "loadPluginInNative": true,
+  "loadPluginInEditor": false,
+  "subMetas": {}
+}

assets/scripts/RoundCornerCropV2EffectScene.ts

@@ -0,0 +1,80 @@
+const { ccclass, property } = cc._decorator;
+
+@ccclass
+export default class RoundCornerCropV2EffectScene extends cc.Component {
+    private _radiuSlider: cc.Slider = null;
+    private _radiuLabel: cc.Label = null;
+
+    private _examplesParentNode: cc.Node = null;
+
+    onLoad() {
+        // 关闭动态合图
+        cc.dynamicAtlasManager.enabled = false;
+
+        this._radiuSlider = cc.find("Canvas/Content/Controller/RadiusSlider/Slider").getComponent(cc.Slider);
+        this._radiuLabel = cc.find("Canvas/Content/Controller/RadiusSlider/ValueLabel").getComponent(cc.Label);
+
+        this._examplesParentNode = cc.find("Canvas/Content/Examples");
+    }
+
+    onEnable() {
+        this._radiuSlider.node.on("slide", this._onSliderChanged, this);
+    }
+
+    onDisable() {
+        this._radiuSlider.node.off("slide", this._onSliderChanged, this);
+    }
+
+    start() {
+        this._onSliderChanged();
+    }
+
+    private _onSliderChanged() {
+        // 计算半径px
+        let radiusInPx = Math.floor(100 * this._radiuSlider.progress);
+        this._radiuLabel.string = radiusInPx + "";
+
+        // 更新材质
+        this._updateRenderComponentMaterial({
+            radiusInPx: radiusInPx
+        });
+    }
+
+    /**
+     * 更新渲染组件的材质
+     *
+     * 1. 获取材质
+     * 2. 给材质的 unitform 变量赋值
+     * 3. 重新将材质赋值回去
+     */
+    private _updateRenderComponentMaterial(param: {
+        /**
+         * 圆角半径px
+         */
+        radiusInPx: number;
+    }) {
+        this._examplesParentNode.children.forEach(childNode => {
+            childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
+                // 计算半径px分别相对于纹理宽高的比例（也叫归一化）
+                let xRadiux = param.radiusInPx / childNode.width;
+                // 约束范围在区间 [0.0, 0.5]
+                xRadiux = xRadiux >= 0.5 ? 0.5 : xRadiux;
+
+                let yRadius = param.radiusInPx / childNode.height;
+                yRadius = yRadius >= 0.5 ? 0.5 : yRadius;
+
+                if (childNode.name === "Rectangle1") cc.log(`${childNode.name} : (${xRadiux}, ${yRadius})`);
+
+                // 更新材质
+                let material: cc.Material = renderComponent.getMaterial(0);
+
+                // 圆角x轴半径长度（相对于纹理宽度）[0.0, 0.5]
+                material.setProperty("xRadius", xRadiux);
+
+                // 圆角y轴半径长度（相对于纹理高度）[0.0, 0.5]
+                material.setProperty("yRadius", yRadius);
+                renderComponent.setMaterial(0, material);
+            });
+        });
+    }
+}

assets/scripts/RoundCornerCropV2EffectScene.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "1.0.5",
+  "uuid": "24bbe7ba-5d1e-42d9-b2dd-f219fef90367",
+  "isPlugin": false,
+  "loadPluginInWeb": true,
+  "loadPluginInNative": true,
+  "loadPluginInEditor": false,
+  "subMetas": {}
+}

assets/textures/gaussian_blur.png.meta

@@ -0,0 +1,34 @@
+{
+  "ver": "2.3.3",
+  "uuid": "c879710d-0419-46be-bf96-92ee1ca52324",
+  "type": "sprite",
+  "wrapMode": "clamp",
+  "filterMode": "bilinear",
+  "premultiplyAlpha": false,
+  "genMipmaps": false,
+  "packable": true,
+  "platformSettings": {},
+  "subMetas": {
+    "gaussian_blur": {
+      "ver": "1.0.4",
+      "uuid": "91f28953-0d5f-4379-9ae6-f3f6afb3241c",
+      "rawTextureUuid": "c879710d-0419-46be-bf96-92ee1ca52324",
+      "trimType": "auto",
+      "trimThreshold": 1,
+      "rotated": false,
+      "offsetX": 0,
+      "offsetY": 0,
+      "trimX": 0,
+      "trimY": 0,
+      "width": 317,
+      "height": 178,
+      "rawWidth": 317,
+      "rawHeight": 178,
+      "borderTop": 0,
+      "borderBottom": 0,
+      "borderLeft": 0,
+      "borderRight": 0,
+      "subMetas": {}
+    }
+  }
+}