整理代码

assets/effects/sprite-glow-outter.effect

@@ -0,0 +1,239 @@
+// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.  
+// 内发光特效
+// 原理: 采样周边像素alpha取平均值，叠加发光效果
+CCEffect %{
+  techniques:
+  - passes:
+    - vert: vs
+      frag: fs
+      blendState:
+        targets:
+        - blend: true
+      rasterizerState:
+        cullMode: none
+      properties:
+        texture: { value: white }
+        alphaThreshold: { value: 0.5 }
+
+        # 自定义参数
+        # 发光颜色
+        glowColor: { 
+          value: [1.0, 1.0, 0.0, 1.0], 
+          inspector: { 
+            type: color,
+            tooltip: "发光颜色"
+          } 
+        } 
+        # 发光宽度
+        glowColorSize: { 
+          value: 0.01,
+          inspector: {
+            tooltip: "发光宽度",
+            range: [0.0, 1.0],
+          }
+        }
+        # 发光透明度阈值
+        #   只有超过这个透明度的点才会发光
+        #   一般用于解决图像边缘存在渐变透明的时，决定超过这个透明度阈值的边缘点才点发光，具体可以操作一下
+        glowThreshold: {
+          value: 0.1,
+          inspector: {
+            tooltip: "发光阈值",
+            range: [0.0, 1.0]
+          }
+        }
+}%
+
+
+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 SHOW_INNER_GLOW
+
+  uniform glow {
+    // 发光颜色
+    vec4 glowColor;
+    // 发光范围
+    float glowColorSize;
+    // 发光阈值
+    float glowThreshold;
+    // 特别地，必须是 vec4 先于 float 声明
+  };
+
+  /**
+   * 获取指定角度方向，距离为xxx的像素的透明度
+   *
+   * @param angle 角度 [0.0, 360.0]
+   * @param dist 距离 [0.0, 1.0]
+   *
+   * @return alpha [0.0, 1.0]
+   */
+  float getColorAlpha(float angle, float dist) {
+    // 角度转弧度，公式为：弧度 = 角度 * (pi / 180)
+    float radian = angle * 0.01745329252; // 这个浮点数是 pi / 180
+    vec4 color = texture(texture, v_uv0 + vec2(dist * cos(radian), dist * sin(radian))); 
+    return color.a;
+  }
+
+  /**
+   * 获取指定距离的周边像素的透明度平均值
+   *
+   * @param dist 距离 [0.0, 1.0]
+   *
+   * @return average alpha [0.0, 1.0]
+   */
+  float getAverageAlpha(float dist) {
+   
+
+    float totalAlpha = 0.0;
+    // 以30度为一个单位，那么「周边一圈」就由0到360度中共计12个点的组成
+    totalAlpha += getColorAlpha(0.0, dist);
+    totalAlpha += getColorAlpha(30.0, dist);
+    totalAlpha += getColorAlpha(60.0, dist);
+    totalAlpha += getColorAlpha(90.0, dist);
+    totalAlpha += getColorAlpha(120.0, dist);
+    totalAlpha += getColorAlpha(150.0, dist);
+    totalAlpha += getColorAlpha(180.0, dist);
+    totalAlpha += getColorAlpha(210.0, dist);
+    totalAlpha += getColorAlpha(240.0, dist);
+    totalAlpha += getColorAlpha(270.0, dist);
+    totalAlpha += getColorAlpha(300.0, dist);
+    totalAlpha += getColorAlpha(330.0, dist);
+    return totalAlpha * 0.0833; // 1 / 12 = 0.08333
+  }
+
+  /**
+   * 获取发光的透明度
+   */
+  float getGlowAlpha() {
+    // 如果发光宽度为0，直接返回0.0透明度，减少计算量
+    if (glowColorSize == 0.0) {
+      return 0.0;
+    }
+
+    // 因为我们是要做内发光，所以如果点本来是透明的或者接近透明的
+    // 那么就意味着这个点是图像外的透明点或者图像内透明点（如空洞）之类的
+    // 内发光的话，这些透明点我们不用处理，让它保持原样，否则就是会有内描边或者一点扩边的效果
+    // 同时也是提前直接结束，减少计算量
+    vec4 srcColor = texture(texture, v_uv0);
+    if (srcColor.a <= glowThreshold) {
+      return srcColor.a;
+    } 
+
+    // 将传入的指定距离，平均分成10圈，求出每一圈的平均透明度，
+    // 然后求和取平均值，那么就可以得到该点的平均透明度
+    float totalAlpha = 0.0;
+    totalAlpha += getAverageAlpha(glowColorSize * 0.1);
+    totalAlpha += getAverageAlpha(glowColorSize * 0.2);
+    totalAlpha += getAverageAlpha(glowColorSize * 0.3);
+    totalAlpha += getAverageAlpha(glowColorSize * 0.4);
+    totalAlpha += getAverageAlpha(glowColorSize * 0.5);
+    totalAlpha += getAverageAlpha(glowColorSize * 0.6);
+    totalAlpha += getAverageAlpha(glowColorSize * 0.7);
+    totalAlpha += getAverageAlpha(glowColorSize * 0.8);
+    totalAlpha += getAverageAlpha(glowColorSize * 0.9);
+    totalAlpha += getAverageAlpha(glowColorSize * 1.0);
+    return totalAlpha * 0.1;
+  }
+
+  #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 SHOW_INNER_GLOW
+      // 目标颜色（图像）
+      vec4 color_dest = o;
+
+      // 获取发光透明度
+      // 此时我们得到的是内部透明度为1，靠近边缘的为接近0的透明度，其他位置为0的透明度
+      float alpha = getGlowAlpha();
+
+      // 而内发光是从边缘开始的，那么什么算是边缘呢？
+      // 如果图像边缘有大量渐变，那么如果我们取大于 0.0 点就算是图像内的话，那么可能边缘会出现锯齿
+      // 因此为了确定边缘，引入了发光阈值，我们只需要比较一下发光阈值就可以，大于发光阈值的点都是（图像内）发光点
+      if (alpha > glowThreshold) {
+
+        // 内发光是从边缘发光的，是需要内部透明度为0，靠近边缘的接近1的透明度
+        // 因此我们需要翻转一下透明度
+        alpha = 1.0 - alpha;
+
+        // 给点调料，让靠近边缘的更加亮
+        alpha = -1.0 * (alpha - 1.0) * (alpha - 1.0) * (alpha - 1.0) * (alpha - 1.0) + 1.0;
+      }
+      // 源颜色（内发光）
+      vec4 color_src = glowColor * alpha;
+
+      // 按照这个顺序，源颜色就是内发光颜色，目标颜色就是图案颜色色 
+      // 所以命名就是 color_src, color_dest
+
+      // 按照混合颜色规则 http://docs.cocos.com/creator/manual/zh/advanced-topics/ui-auto-batch.html#blend-%E6%A8%A1%E5%BC%8F
+      // 要在图案上方，叠加一个内发光，将两者颜色混合起来，那么最终选择的混合模式如下：
+      //
+      // （内发光）color_src: GL_SRC_ALPHA
+      // （原图像）color_dest: GL_ONE
+      // 
+      // 即最终颜色如下：
+      // color_src * GL_SRC_ALPHA + color_dest * GL_ONE
+
+      gl_FragColor = color_src * color_src.a + color_dest;
+    #endif
+  }
+}%

assets/effects/sprite-glow-outter.effect.meta

@@ -0,0 +1,17 @@
+{
+  "ver": "1.0.23",
+  "uuid": "89f30b2e-b75e-49b1-9dfc-cb341cadd30a",
+  "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 SHOW_INNER_GLOW\n\nuniform vec4 glowColor;\nuniform float glowColorSize;\nuniform float glowThreshold;\n\n/**\n * 获取指定角度方向，距离为xxx的像素的透明度\n *\n * @param angle 角度 [0.0, 360.0]\n * @param dist 距离 [0.0, 1.0]\n *\n * @return alpha [0.0, 1.0]\n */\nfloat getColorAlpha(float angle, float dist) {\n\n  float radian = angle * 0.01745329252;\n\n  vec4 color = texture2D(texture, v_uv0 + vec2(dist * cos(radian), dist * sin(radian))); \n  return color.a;\n}\n\n/**\n * 获取指定距离的周边像素的透明度平均值\n *\n * @param dist 距离 [0.0, 1.0]\n *\n * @return average alpha [0.0, 1.0]\n */\nfloat getAverageAlpha(float dist) {\n\n  float totalAlpha = 0.0;\n\n  totalAlpha += getColorAlpha(0.0, dist);\n  totalAlpha += getColorAlpha(30.0, dist);\n  totalAlpha += getColorAlpha(60.0, dist);\n  totalAlpha += getColorAlpha(90.0, dist);\n  totalAlpha += getColorAlpha(120.0, dist);\n  totalAlpha += getColorAlpha(150.0, dist);\n  totalAlpha += getColorAlpha(180.0, dist);\n  totalAlpha += getColorAlpha(210.0, dist);\n  totalAlpha += getColorAlpha(240.0, dist);\n  totalAlpha += getColorAlpha(270.0, dist);\n  totalAlpha += getColorAlpha(300.0, dist);\n  totalAlpha += getColorAlpha(330.0, dist);\n  return totalAlpha * 0.0833;\n\n}\n\n/**\n * 获取发光的透明度\n */\nfloat getGlowAlpha() {\n\n  if (glowColorSize == 0.0) {\n    return 0.0;\n  }\n\n  vec4 srcColor = texture2D(texture, v_uv0);\n  if (srcColor.a <= glowThreshold) {\n    return srcColor.a;\n  }\n\n  float totalAlpha = 0.0;\n  totalAlpha += getAverageAlpha(glowColorSize * 0.1);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.2);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.3);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.4);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.5);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.6);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.7);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.8);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.9);\n  totalAlpha += getAverageAlpha(glowColorSize * 1.0);\n  return totalAlpha * 0.1;\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\n  #if SHOW_INNER_GLOW\n\n    vec4 color_dest = o;\n\n    float alpha = getGlowAlpha();\n\n    if (alpha > glowThreshold) {\n\n      alpha = 1.0 - alpha;\n\n      alpha = -1.0 * (alpha - 1.0) * (alpha - 1.0) * (alpha - 1.0) * (alpha - 1.0) + 1.0;\n    }\n\n    vec4 color_src = glowColor * alpha;\n\n    gl_FragColor = color_src * color_src.a + color_dest;\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 SHOW_INNER_GLOW\n\nuniform glow {\n\n  vec4 glowColor;\n\n  float glowColorSize;\n\n  float glowThreshold;\n\n};\n\n/**\n * 获取指定角度方向，距离为xxx的像素的透明度\n *\n * @param angle 角度 [0.0, 360.0]\n * @param dist 距离 [0.0, 1.0]\n *\n * @return alpha [0.0, 1.0]\n */\nfloat getColorAlpha(float angle, float dist) {\n\n  float radian = angle * 0.01745329252;\n\n  vec4 color = texture(texture, v_uv0 + vec2(dist * cos(radian), dist * sin(radian))); \n  return color.a;\n}\n\n/**\n * 获取指定距离的周边像素的透明度平均值\n *\n * @param dist 距离 [0.0, 1.0]\n *\n * @return average alpha [0.0, 1.0]\n */\nfloat getAverageAlpha(float dist) {\n\n  float totalAlpha = 0.0;\n\n  totalAlpha += getColorAlpha(0.0, dist);\n  totalAlpha += getColorAlpha(30.0, dist);\n  totalAlpha += getColorAlpha(60.0, dist);\n  totalAlpha += getColorAlpha(90.0, dist);\n  totalAlpha += getColorAlpha(120.0, dist);\n  totalAlpha += getColorAlpha(150.0, dist);\n  totalAlpha += getColorAlpha(180.0, dist);\n  totalAlpha += getColorAlpha(210.0, dist);\n  totalAlpha += getColorAlpha(240.0, dist);\n  totalAlpha += getColorAlpha(270.0, dist);\n  totalAlpha += getColorAlpha(300.0, dist);\n  totalAlpha += getColorAlpha(330.0, dist);\n  return totalAlpha * 0.0833;\n\n}\n\n/**\n * 获取发光的透明度\n */\nfloat getGlowAlpha() {\n\n  if (glowColorSize == 0.0) {\n    return 0.0;\n  }\n\n  vec4 srcColor = texture(texture, v_uv0);\n  if (srcColor.a <= glowThreshold) {\n    return srcColor.a;\n  }\n\n  float totalAlpha = 0.0;\n  totalAlpha += getAverageAlpha(glowColorSize * 0.1);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.2);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.3);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.4);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.5);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.6);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.7);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.8);\n  totalAlpha += getAverageAlpha(glowColorSize * 0.9);\n  totalAlpha += getAverageAlpha(glowColorSize * 1.0);\n  return totalAlpha * 0.1;\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\n  #if SHOW_INNER_GLOW\n\n    vec4 color_dest = o;\n\n    float alpha = getGlowAlpha();\n\n    if (alpha > glowThreshold) {\n\n      alpha = 1.0 - alpha;\n\n      alpha = -1.0 * (alpha - 1.0) * (alpha - 1.0) * (alpha - 1.0) * (alpha - 1.0) + 1.0;\n    }\n\n    vec4 color_src = glowColor * alpha;\n\n    gl_FragColor = color_src * color_src.a + color_dest;\n  #endif\n}\n"
+      }
+    }
+  ],
+  "subMetas": {}
+}

assets/materials/sprite-glow-outter.mtl

@@ -0,0 +1,26 @@
+{
+  "__type__": "cc.Material",
+  "_name": "",
+  "_objFlags": 0,
+  "_native": "",
+  "_effectAsset": {
+    "__uuid__": "89f30b2e-b75e-49b1-9dfc-cb341cadd30a"
+  },
+  "_defines": {
+    "USE_TEXTURE": true,
+    "USE_ALPHA_TEST": false,
+    "SHOW_INNER_GLOW": true
+  },
+  "_props": {
+    "texture": null,
+    "glowColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 0,
+      "b": 0,
+      "a": 255
+    },
+    "glowColorSize": 0.2,
+    "glowThreshold": 0.1
+  }
+}

assets/materials/sprite-glow-outter.mtl.meta

@@ -0,0 +1,6 @@
+{
+  "ver": "1.0.2",
+  "uuid": "16dd0f06-6280-4d74-8483-a50e23c00733",
+  "dataAsSubAsset": null,
+  "subMetas": {}
+}

assets/scenes/GlowOutterDemoEffectScene.fire.meta

@@ -0,0 +1,7 @@
+{
+  "ver": "1.2.5",
+  "uuid": "05055d3f-a334-4b45-abf1-e379e4708284",
+  "asyncLoadAssets": false,
+  "autoReleaseAssets": false,
+  "subMetas": {}
+}

assets/scenes/GlowOutterEffectScene.fire.meta

@@ -1,6 +1,6 @@
 {
   "ver": "1.2.5",
-  "uuid": "05055d3f-a334-4b45-abf1-e379e4708284",
+  "uuid": "6c0134dc-238e-4bed-b9a3-3f09c1e320a3",
   "asyncLoadAssets": false,
   "autoReleaseAssets": false,
   "subMetas": {}

assets/scripts/GlowOutterDemoEffectScene.ts

@@ -0,0 +1,34 @@
+const { ccclass, property } = cc._decorator;
+
+@ccclass
+export default class GlowOutterDemoEffectScene extends cc.Component {
+    @property(cc.Node)
+    examplesParentNode: cc.Node = null;
+
+    start() {
+        this._updateRenderComponentOutterGlowMaterial(0);
+    }
+
+    onSideCallBack(slider: cc.Slider, customEventData: string) {
+        this._updateRenderComponentOutterGlowMaterial(slider.progress / 100);
+    }
+
+    /**
+     * 更新渲染组件的材质
+     *
+     * 1. 获取材质
+     * 2. 给材质的自定义 unitform 变量赋值
+     * 3. 重新将材质赋值回去
+     *
+     * @param size 描边长度比例[0,1] 比如0.5，那么就是宽*0.5 高*0.5
+     */
+    private _updateRenderComponentOutterGlowMaterial(size: number) {
+        this.examplesParentNode.children.forEach(childNode => {
+            childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
+                let material: cc.Material = renderComponent.getMaterial(0);
+                material.setProperty("outlineSize", size);
+                renderComponent.setMaterial(0, material);
+            });
+        });
+    }
+}

assets/scripts/GlowOutterDemoEffectScene.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "1.0.5",
+  "uuid": "408f4991-ebdc-446e-9ce3-b18006bb7bcb",
+  "isPlugin": false,
+  "loadPluginInWeb": true,
+  "loadPluginInNative": true,
+  "loadPluginInEditor": false,
+  "subMetas": {}
+}

assets/scripts/GlowOutterEffectScene.ts

@@ -2,31 +2,123 @@ const { ccclass, property } = cc._decorator;
 
 @ccclass
 export default class GlowOutterEffectScene extends cc.Component {
-    @property(cc.Node)
+    private _redSlider: cc.Slider = null;
-    examplesParentNode: cc.Node = null;
+    private _redSliderLabel: cc.Label = null;
 
-    start() {
+    private _greenSlider: cc.Slider = null;
-        this._updateRenderComponentOutterGlowMaterial(0);
+    private _greenSliderLabel: cc.Label = null;
+
+    private _blueSlider: cc.Slider = null;
+    private _blueSliderLabel: cc.Label = null;
+
+    private _alphaSlider: cc.Slider = null;
+    private _alphaSliderLabel: cc.Label = null;
+
+    private _glowWidthSlider: cc.Slider = null;
+    private _glowWidthSliderLabel: cc.Label = null;
+
+    private _glowThresholdSlider: cc.Slider = null;
+    private _glowThresholdSliderLabel: cc.Label = null;
+
+    private _examplesParentNode: cc.Node = null;
+
+    onLoad() {
+        this._redSlider = cc.find("Canvas/Content/Sliders/ColorRedSlider/Slider").getComponent(cc.Slider);
+        this._redSliderLabel = cc.find("Canvas/Content/Sliders/ColorRedSlider/ValueLabel").getComponent(cc.Label);
+
+        this._greenSlider = cc.find("Canvas/Content/Sliders/ColorGreenSlider/Slider").getComponent(cc.Slider);
+        this._greenSliderLabel = cc.find("Canvas/Content/Sliders/ColorGreenSlider/ValueLabel").getComponent(cc.Label);
+
+        this._blueSlider = cc.find("Canvas/Content/Sliders/ColorBlueSlider/Slider").getComponent(cc.Slider);
+        this._blueSliderLabel = cc.find("Canvas/Content/Sliders/ColorBlueSlider/ValueLabel").getComponent(cc.Label);
+
+        this._alphaSlider = cc.find("Canvas/Content/Sliders/ColorAlphaSlider/Slider").getComponent(cc.Slider);
+        this._alphaSliderLabel = cc.find("Canvas/Content/Sliders/ColorAlphaSlider/ValueLabel").getComponent(cc.Label);
+
+        this._glowWidthSlider = cc.find("Canvas/Content/Sliders/GlowWidthSlider/Slider").getComponent(cc.Slider);
+        this._glowWidthSliderLabel = cc.find("Canvas/Content/Sliders/GlowWidthSlider/ValueLabel").getComponent(cc.Label);
+
+        this._glowThresholdSlider = cc.find("Canvas/Content/Sliders/GlowThresholdSlider/Slider").getComponent(cc.Slider);
+        this._glowThresholdSliderLabel = cc.find("Canvas/Content/Sliders/GlowThresholdSlider/ValueLabel").getComponent(cc.Label);
+
+        this._examplesParentNode = cc.find("Canvas/Content/Examples");
     }
 
-    onSideCallBack(slider: cc.Slider, customEventData: string) {
+    onEnable() {
-        this._updateRenderComponentOutterGlowMaterial(slider.progress / 100);
+        this._redSlider.node.on("slide", this._onSliderChanged, this);
+        this._greenSlider.node.on("slide", this._onSliderChanged, this);
+        this._blueSlider.node.on("slide", this._onSliderChanged, this);
+        this._alphaSlider.node.on("slide", this._onSliderChanged, this);
+        this._glowWidthSlider.node.on("slide", this._onSliderChanged, this);
+        this._glowThresholdSlider.node.on("slide", this._onSliderChanged, this);
+    }
+
+    onDisable() {
+        this._redSlider.node.off("slide", this._onSliderChanged, this);
+        this._greenSlider.node.off("slide", this._onSliderChanged, this);
+        this._blueSlider.node.off("slide", this._onSliderChanged, this);
+        this._alphaSlider.node.off("slide", this._onSliderChanged, this);
+        this._glowWidthSlider.node.off("slide", this._onSliderChanged, this);
+        this._glowThresholdSlider.node.off("slide", this._onSliderChanged, this);
+    }
+
+    start() {
+        this._onSliderChanged();
+    }
+
+    private _onSliderChanged() {
+        // 更新进度条值 Label 文本
+        this._redSliderLabel.string = `${this._redSlider.progress.toFixed(2)} | ${Math.round(255 * this._redSlider.progress)}`;
+        this._greenSliderLabel.string = `${this._greenSlider.progress.toFixed(2)} | ${Math.round(255 * this._greenSlider.progress)}`;
+        this._blueSliderLabel.string = `${this._blueSlider.progress.toFixed(2)} | ${Math.round(255 * this._blueSlider.progress)}`;
+        this._alphaSliderLabel.string = `${this._alphaSlider.progress.toFixed(2)} | ${Math.round(255 * this._alphaSlider.progress)}`;
+
+        // 这里为约束一下值发光宽度值在 [0.0, 0.1] 因为 0.1+ 之后的效果可能不明显，也可以自己尝试修改
+        let realGlowWidthProgress = this._glowWidthSlider.progress * 0.1;
+        this._glowWidthSliderLabel.string = `${realGlowWidthProgress.toFixed(2)}`;
+
+        // 这里为约束一下值发光阈值值在 [0.0, 0.5] 因为 0.5+ 之后的效果可能就是其他效果，也可以自己修改这里
+        // let realGlowThresholdProgress = this._glowThresholdSlider.progress * 0.5;
+        let realGlowThresholdProgress = this._glowThresholdSlider.progress;
+        this._glowThresholdSliderLabel.string = `${realGlowThresholdProgress.toFixed(2)}`;
+
+        // 更新材质
+        this._updateRenderComponentOutterGlowMaterial({
+            glowColor: cc.v4(this._redSlider.progress, this._greenSlider.progress, this._blueSlider.progress, this._alphaSlider.progress),
+            glowColorSize: realGlowWidthProgress,
+            glowThreshold: realGlowThresholdProgress
+        });
     }
 
     /**
      * 更新渲染组件的材质
      *
      * 1. 获取材质
-     * 2. 给材质的自定义 unitform 变量赋值
+     * 2. 给材质的 unitform 变量赋值
      * 3. 重新将材质赋值回去
-     *
-     * @param size 描边长度比例[0,1] 比如0.5，那么就是宽*0.5 高*0.5
      */
-    private _updateRenderComponentOutterGlowMaterial(size: number) {
+    private _updateRenderComponentOutterGlowMaterial(param: {
-        this.examplesParentNode.children.forEach(childNode => {
+        /**
+         * 发光宽度 [0.0, 1.0]
+         */
+        glowColorSize: number;
+
+        /**
+         * 发光颜色 [0.0, 1.0]
+         */
+        glowColor: cc.Vec4;
+
+        /**
+         * 发光阈值 [0.0, 1.0]
+         */
+        glowThreshold: number;
+    }) {
+        this._examplesParentNode.children.forEach(childNode => {
             childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
                 let material: cc.Material = renderComponent.getMaterial(0);
-                material.setProperty("outlineSize", size);
+                material.setProperty("glowColorSize", param.glowColorSize);
+                material.setProperty("glowColor", param.glowColor);
+                material.setProperty("glowThreshold", param.glowThreshold);
                 renderComponent.setMaterial(0, material);
             });
         });

assets/scripts/GlowOutterEffectScene.ts.meta

@@ -1,6 +1,6 @@
 {
   "ver": "1.0.5",
-  "uuid": "408f4991-ebdc-446e-9ce3-b18006bb7bcb",
+  "uuid": "885555a3-a2a6-4260-a7a9-d363145fced6",
   "isPlugin": false,
   "loadPluginInWeb": true,
   "loadPluginInNative": true,