diff --git a/assets/effects/sprite-local-diffusion.effect b/assets/effects/sprite-local-diffusion.effect
index 6376995..4edb2b3 100644
--- a/assets/effects/sprite-local-diffusion.effect
+++ b/assets/effects/sprite-local-diffusion.effect
@@ -1,9 +1,9 @@
 // Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.  
-// 老照片特效
+// 点光/点扩散
 // 原理：
-// r = 0.393 * r + 0.769 * g + 0.189 * b; 
-// g = 0.349 * r + 0.686 * g + 0.168 * b; 
-// b = 0.272 * r + 0.534 * g + 0.131 * b;
+// 1. 画圆
+// 2. 圆心高亮（透明度=1.0），圆边缘不亮（透明度=0.0）
+// 3. 在原图像上方叠加圆
 
 CCEffect %{
   techniques:
@@ -21,7 +21,7 @@ CCEffect %{
 
         #  扩散颜色
         centerColor: {
-          value: [1.0, 1.0, 0.0, 1.0], 
+          value: [1.0, 0.0, 0.0, 1.0], 
           inspector: { 
             type: color,
             tooltip: "发光颜色"
@@ -98,6 +98,10 @@ CCProgram fs %{
     // 扩散颜色
     vec4 centerColor;
 
+    // // 因为现在cc不支持 vec2 数组，所以只能用 vec4 数组
+    // // 而一个 vec4 就包含两个 vec2 ，共计 4 个属性，所以如果数组是4，就表示有8个点了
+    // vec4 points[4];
+
     // 扩散起点坐标
     vec2 centerPoint;
 
@@ -153,10 +157,6 @@ CCProgram fs %{
     
     #if ENABLE_DIFFUSION
     gl_FragColor = addDiffusionColor(gl_FragColor, centerPoint, radius, centerColor);
-    // gl_FragColor = addDiffusionColor(gl_FragColor, vec2(0.7, 0.), 0.2, vec4(1.0, 1.0, 0.0, 1.0));
-    // gl_FragColor = addDiffusionColor(gl_FragColor, vec2(0.8, 0.), 0.2, vec4(1.0, 1.0, 0.0, 1.0));
-    // gl_FragColor = addDiffusionColor(gl_FragColor, vec2(0.9, 0.), 0.2, vec4(1.0, 1.0, 0.0, 1.0));
-    // gl_FragColor = addDiffusionColor(gl_FragColor, vec2(0.2, 0.), 0.2, vec4(1.0, 1.0, 0.0, 1.0));
     #endif
   }
 }%
diff --git a/assets/effects/sprite-local-diffusion.effect.meta b/assets/effects/sprite-local-diffusion.effect.meta
index 95e30e4..a06c7ea 100644
--- a/assets/effects/sprite-local-diffusion.effect.meta
+++ b/assets/effects/sprite-local-diffusion.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;\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addDiffusionColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n  float dis = distance(v_uv0, centerPoint);\n\n  float a = step(dis, radius);\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 = addDiffusionColor(gl_FragColor, centerPoint, radius, centerColor);\n\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;\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addDiffusionColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n  float dis = distance(v_uv0, centerPoint);\n\n  float a = step(dis, radius);\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 = addDiffusionColor(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\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addDiffusionColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n  float dis = distance(v_uv0, centerPoint);\n\n  float a = step(dis, radius);\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 = addDiffusionColor(gl_FragColor, centerPoint, radius, centerColor);\n\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\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addDiffusionColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n  float dis = distance(v_uv0, centerPoint);\n\n  float a = step(dis, radius);\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 = addDiffusionColor(gl_FragColor, centerPoint, radius, centerColor);\n  #endif\n}\n"
       }
     }
   ],
diff --git a/assets/scenes/LocalDiffusionEffectScene.fire b/assets/scenes/LocalDiffusionEffectScene.fire
index e49fa89..2208a6d 100755
--- a/assets/scenes/LocalDiffusionEffectScene.fire
+++ b/assets/scenes/LocalDiffusionEffectScene.fire
@@ -78,10 +78,10 @@
     "_active": true,
     "_components": [
       {
-        "__id__": 46
+        "__id__": 113
       },
       {
-        "__id__": 47
+        "__id__": 114
       }
     ],
     "_prefab": null,
@@ -171,7 +171,7 @@
       "array": [
         0,
         0,
-        351.60631393648214,
+        393.5138244914885,
         0,
         0,
         0,
@@ -245,13 +245,13 @@
         "__id__": 9
       },
       {
-        "__id__": 29
+        "__id__": 97
       }
     ],
     "_active": true,
     "_components": [
       {
-        "__id__": 45
+        "__id__": 112
       }
     ],
     "_prefab": null,
@@ -436,15 +436,27 @@
     "_children": [
       {
         "__id__": 10
+      },
+      {
+        "__id__": 27
+      },
+      {
+        "__id__": 44
+      },
+      {
+        "__id__": 61
+      },
+      {
+        "__id__": 78
       }
     ],
     "_active": true,
     "_components": [
       {
-        "__id__": 27
+        "__id__": 95
       },
       {
-        "__id__": 28
+        "__id__": 96
       }
     ],
     "_prefab": null,
@@ -459,7 +471,7 @@
     "_contentSize": {
       "__type__": "cc.Size",
       "width": 576,
-      "height": 60
+      "height": 444
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -497,7 +509,7 @@
   },
   {
     "__type__": "cc.Node",
-    "_name": "OldLevelSlider",
+    "_name": "ColorRedSlider",
     "_objFlags": 0,
     "_parent": {
       "__id__": 9
@@ -565,7 +577,7 @@
     "_is3DNode": false,
     "_groupIndex": 0,
     "groupIndex": 0,
-    "_id": "669o93+gJMWJFGUDKSDUJ7"
+    "_id": "2eIycconpP8Ltw3aHtZvvq"
   },
   {
     "__type__": "cc.Node",
@@ -630,11 +642,11 @@
     "_is3DNode": false,
     "_groupIndex": 0,
     "groupIndex": 0,
-    "_id": "d9MLgZpaFCEZu70E0LAUbn"
+    "_id": "49FUY/2e1Dl7xW+0TPwF4y"
   },
   {
     "__type__": "cc.Label",
-    "_name": "SliderDescLabel<Label>",
+    "_name": "",
     "_objFlags": 0,
     "node": {
       "__id__": 11
@@ -646,8 +658,8 @@
       }
     ],
     "_useOriginalSize": false,
-    "_string": "老化程度：",
-    "_N$string": "老化程度：",
+    "_string": "Red：",
+    "_N$string": "Red：",
     "_fontSize": 40,
     "_lineHeight": 40,
     "_enableWrapText": true,
@@ -660,7 +672,7 @@
     "_N$fontFamily": "Arial",
     "_N$overflow": 2,
     "_N$cacheMode": 0,
-    "_id": "f4Hg8I+RhEqbWOBkEEOcYc"
+    "_id": "623dlG9ghMUKB8iPXWv7Ox"
   },
   {
     "__type__": "cc.Widget",
@@ -687,7 +699,7 @@
     "_isAbsVerticalCenter": true,
     "_originalWidth": 113.38,
     "_originalHeight": 50.4,
-    "_id": "bep2S1v8FL15W8eBH2S6xE"
+    "_id": "c7P5zko7hGt6Q+J48DLu6T"
   },
   {
     "__type__": "cc.Node",
@@ -759,7 +771,7 @@
     "_is3DNode": false,
     "_groupIndex": 0,
     "groupIndex": 0,
-    "_id": "d5tgt13ihGdrp3JeCDlHdL"
+    "_id": "80f9F25RBMIJ7SYG8cW/NY"
   },
   {
     "__type__": "cc.Node",
@@ -824,11 +836,11 @@
     "_is3DNode": false,
     "_groupIndex": 0,
     "groupIndex": 0,
-    "_id": "02yVtZR3lIzoNcrUCehx6Z"
+    "_id": "a8ngExPmROmZKvwr/E16NZ"
   },
   {
     "__type__": "cc.Sprite",
-    "_name": "Background<Sprite>",
+    "_name": "",
     "_objFlags": 0,
     "node": {
       "__id__": 15
@@ -856,7 +868,7 @@
     "_fillRange": 0,
     "_isTrimmedMode": true,
     "_atlas": null,
-    "_id": "e3nPQVLp1EHbdxQFE+WpWs"
+    "_id": "bepMfrTnxHH7fXLrdW0Atm"
   },
   {
     "__type__": "cc.Widget",
@@ -883,7 +895,7 @@
     "_isAbsVerticalCenter": true,
     "_originalWidth": 300,
     "_originalHeight": 20,
-    "_id": "a8XR8fvBlFoJGwBW/efzNI"
+    "_id": "4eZNpEoPdFuIrkbVE9Jc3S"
   },
   {
     "__type__": "cc.Node",
@@ -948,11 +960,11 @@
     "_is3DNode": false,
     "_groupIndex": 0,
     "groupIndex": 0,
-    "_id": "d7FHcAao1CbIAoZFo+rotM"
+    "_id": "c4fvCXnftLko2BwP7lOKWX"
   },
   {
     "__type__": "cc.Sprite",
-    "_name": "Handle<Sprite>",
+    "_name": "",
     "_objFlags": 0,
     "node": {
       "__id__": 18
@@ -980,7 +992,7 @@
     "_fillRange": 0,
     "_isTrimmedMode": true,
     "_atlas": null,
-    "_id": "295xE2N4lP2Jr/pNcdNVWL"
+    "_id": "90cUCOEZ1KZJZnYX9Ef1da"
   },
   {
     "__type__": "cc.Button",
@@ -1062,7 +1074,7 @@
     "_N$target": {
       "__id__": 18
     },
-    "_id": "c4tGFYFOxAOI9P7fZNDabo"
+    "_id": "46Jvxq2z5PPrdDa3WZEonJ"
   },
   {
     "__type__": "cc.Widget",
@@ -1089,7 +1101,7 @@
     "_isAbsVerticalCenter": true,
     "_originalWidth": 300,
     "_originalHeight": 20,
-    "_id": "88s8GJuZ5GH5bk0lgDzp91"
+    "_id": "92/JRjz4ZJhZfufShjBC4n"
   },
   {
     "__type__": "cc.Slider",
@@ -1105,7 +1117,7 @@
       "__id__": 20
     },
     "_N$progress": 1,
-    "_id": "c2uNTLxCdF2oHJ+IS0EBLe"
+    "_id": "efb0h5SZZFuLD+IfvnQyIO"
   },
   {
     "__type__": "cc.Node",
@@ -1170,7 +1182,7 @@
     "_is3DNode": false,
     "_groupIndex": 0,
     "groupIndex": 0,
-    "_id": "1aVFesZMVJNpZYCKlHlGCo"
+    "_id": "8aEmJwi8ZElK9mGUh/Gjeq"
   },
   {
     "__type__": "cc.Widget",
@@ -1197,6 +1209,3050 @@
     "_isAbsVerticalCenter": true,
     "_originalWidth": 113.38,
     "_originalHeight": 50.4,
+    "_id": "1b17zLLeZJ1Ymg0MEYaD6L"
+  },
+  {
+    "__type__": "cc.Label",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 23
+    },
+    "_enabled": true,
+    "_materials": [
+      {
+        "__uuid__": "eca5d2f2-8ef6-41c2-bbe6-f9c79d09c432"
+      }
+    ],
+    "_useOriginalSize": false,
+    "_string": "1.00 | 255",
+    "_N$string": "1.00 | 255",
+    "_fontSize": 40,
+    "_lineHeight": 40,
+    "_enableWrapText": true,
+    "_N$file": null,
+    "_isSystemFontUsed": true,
+    "_spacingX": 0,
+    "_batchAsBitmap": false,
+    "_N$horizontalAlign": 0,
+    "_N$verticalAlign": 1,
+    "_N$fontFamily": "Arial",
+    "_N$overflow": 2,
+    "_N$cacheMode": 0,
+    "_id": "3cCphg9kFFf7oDsgZun1WU"
+  },
+  {
+    "__type__": "cc.Widget",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 10
+    },
+    "_enabled": true,
+    "alignMode": 1,
+    "_target": null,
+    "_alignFlags": 40,
+    "_left": 0,
+    "_right": 0,
+    "_top": 0,
+    "_bottom": 0,
+    "_verticalCenter": 0,
+    "_horizontalCenter": 0,
+    "_isAbsLeft": true,
+    "_isAbsRight": true,
+    "_isAbsTop": true,
+    "_isAbsBottom": true,
+    "_isAbsHorizontalCenter": true,
+    "_isAbsVerticalCenter": true,
+    "_originalWidth": 461.38,
+    "_originalHeight": 0,
+    "_id": "8cDgmLKfVFJo3gPyQX8IPZ"
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "ColorGreenSlider",
+    "_objFlags": 0,
+    "_parent": {
+      "__id__": 9
+    },
+    "_children": [
+      {
+        "__id__": 28
+      },
+      {
+        "__id__": 31
+      },
+      {
+        "__id__": 40
+      }
+    ],
+    "_active": true,
+    "_components": [
+      {
+        "__id__": 43
+      }
+    ],
+    "_prefab": null,
+    "_opacity": 255,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 576,
+      "height": 60
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0.5
+    },
+    "_trs": {
+      "__type__": "TypedArray",
+      "ctor": "Float64Array",
+      "array": [
+        0,
+        -126,
+        0,
+        0,
+        0,
+        0,
+        1,
+        1,
+        1,
+        1
+      ]
+    },
+    "_eulerAngles": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_skewX": 0,
+    "_skewY": 0,
+    "_is3DNode": false,
+    "_groupIndex": 0,
+    "groupIndex": 0,
+    "_id": "0cCLGIFptEG4UUcwL+xVVn"
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "SliderDescLabel",
+    "_objFlags": 0,
+    "_parent": {
+      "__id__": 27
+    },
+    "_children": [],
+    "_active": true,
+    "_components": [
+      {
+        "__id__": 29
+      },
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+        "__id__": 30
+      }
+    ],
+    "_prefab": null,
+    "_opacity": 255,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 144,
+      "height": 40
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 1,
+      "y": 0.5
+    },
+    "_trs": {
+      "__type__": "TypedArray",
+      "ctor": "Float64Array",
+      "array": [
+        -144,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        1,
+        1,
+        1
+      ]
+    },
+    "_eulerAngles": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
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+    ],
+    "_prefab": null,
+    "_opacity": 255,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 32,
+      "height": 32
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0.5
+    },
+    "_trs": {
+      "__type__": "TypedArray",
+      "ctor": "Float64Array",
+      "array": [
+        23.039999999999992,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        1,
+        1,
+        1
+      ]
+    },
+    "_eulerAngles": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_skewX": 0,
+    "_skewY": 0,
+    "_is3DNode": false,
+    "_groupIndex": 0,
+    "groupIndex": 0,
+    "_id": "d7FHcAao1CbIAoZFo+rotM"
+  },
+  {
+    "__type__": "cc.Sprite",
+    "_name": "Handle<Sprite>",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 86
+    },
+    "_enabled": true,
+    "_materials": [
+      {
+        "__uuid__": "eca5d2f2-8ef6-41c2-bbe6-f9c79d09c432"
+      }
+    ],
+    "_srcBlendFactor": 770,
+    "_dstBlendFactor": 771,
+    "_spriteFrame": {
+      "__uuid__": "e7aba14b-f956-4480-b254-8d57832e273f"
+    },
+    "_type": 1,
+    "_sizeMode": 2,
+    "_fillType": 0,
+    "_fillCenter": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_fillStart": 0,
+    "_fillRange": 0,
+    "_isTrimmedMode": true,
+    "_atlas": null,
+    "_id": "295xE2N4lP2Jr/pNcdNVWL"
+  },
+  {
+    "__type__": "cc.Button",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 86
+    },
+    "_enabled": true,
+    "_normalMaterial": null,
+    "_grayMaterial": null,
+    "duration": 0.1,
+    "zoomScale": 1.1,
+    "clickEvents": [],
+    "_N$interactable": true,
+    "_N$enableAutoGrayEffect": true,
+    "_N$transition": 3,
+    "transition": 3,
+    "_N$normalColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_N$pressedColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "pressedColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_N$hoverColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "hoverColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_N$disabledColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_N$normalSprite": {
+      "__uuid__": "e7aba14b-f956-4480-b254-8d57832e273f"
+    },
+    "_N$pressedSprite": {
+      "__uuid__": "e7aba14b-f956-4480-b254-8d57832e273f"
+    },
+    "pressedSprite": {
+      "__uuid__": "e7aba14b-f956-4480-b254-8d57832e273f"
+    },
+    "_N$hoverSprite": {
+      "__uuid__": "e7aba14b-f956-4480-b254-8d57832e273f"
+    },
+    "hoverSprite": {
+      "__uuid__": "e7aba14b-f956-4480-b254-8d57832e273f"
+    },
+    "_N$disabledSprite": {
+      "__uuid__": "29158224-f8dd-4661-a796-1ffab537140e"
+    },
+    "_N$target": {
+      "__id__": 86
+    },
+    "_id": "c4tGFYFOxAOI9P7fZNDabo"
+  },
+  {
+    "__type__": "cc.Widget",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 82
+    },
+    "_enabled": true,
+    "alignMode": 1,
+    "_target": null,
+    "_alignFlags": 45,
+    "_left": 0.3,
+    "_right": 0.3,
+    "_top": 0,
+    "_bottom": 0,
+    "_verticalCenter": 0,
+    "_horizontalCenter": 0,
+    "_isAbsLeft": false,
+    "_isAbsRight": false,
+    "_isAbsTop": true,
+    "_isAbsBottom": true,
+    "_isAbsHorizontalCenter": true,
+    "_isAbsVerticalCenter": true,
+    "_originalWidth": 300,
+    "_originalHeight": 20,
+    "_id": "88s8GJuZ5GH5bk0lgDzp91"
+  },
+  {
+    "__type__": "cc.Slider",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 82
+    },
+    "_enabled": true,
+    "direction": 0,
+    "slideEvents": [],
+    "_N$handle": {
+      "__id__": 88
+    },
+    "_N$progress": 0.1,
+    "_id": "c2uNTLxCdF2oHJ+IS0EBLe"
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "ValueLabel",
+    "_objFlags": 0,
+    "_parent": {
+      "__id__": 78
+    },
+    "_children": [],
+    "_active": true,
+    "_components": [
+      {
+        "__id__": 92
+      },
+      {
+        "__id__": 93
+      }
+    ],
+    "_prefab": null,
+    "_opacity": 255,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 144,
+      "height": 40
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 1,
+      "y": 0.5
+    },
+    "_trs": {
+      "__type__": "TypedArray",
+      "ctor": "Float64Array",
+      "array": [
+        288,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        1,
+        1,
+        1
+      ]
+    },
+    "_eulerAngles": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_skewX": 0,
+    "_skewY": 0,
+    "_is3DNode": false,
+    "_groupIndex": 0,
+    "groupIndex": 0,
+    "_id": "1aVFesZMVJNpZYCKlHlGCo"
+  },
+  {
+    "__type__": "cc.Widget",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 91
+    },
+    "_enabled": true,
+    "alignMode": 1,
+    "_target": null,
+    "_alignFlags": 45,
+    "_left": 0.75,
+    "_right": 0,
+    "_top": 10,
+    "_bottom": 10,
+    "_verticalCenter": 0,
+    "_horizontalCenter": 0,
+    "_isAbsLeft": false,
+    "_isAbsRight": true,
+    "_isAbsTop": true,
+    "_isAbsBottom": true,
+    "_isAbsHorizontalCenter": true,
+    "_isAbsVerticalCenter": true,
+    "_originalWidth": 113.38,
+    "_originalHeight": 50.4,
     "_id": "d0GO0aWsdBCr+j2fOYGgIj"
   },
   {
@@ -1204,7 +4260,7 @@
     "_name": "ValueLabel<Label>",
     "_objFlags": 0,
     "node": {
-      "__id__": 23
+      "__id__": 91
     },
     "_enabled": true,
     "_materials": [
@@ -1234,7 +4290,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 10
+      "__id__": 78
     },
     "_enabled": true,
     "alignMode": 1,
@@ -1294,7 +4350,7 @@
     "_layoutSize": {
       "__type__": "cc.Size",
       "width": 576,
-      "height": 60
+      "height": 444
     },
     "_resize": 1,
     "_N$layoutType": 2,
@@ -1325,31 +4381,31 @@
     },
     "_children": [
       {
-        "__id__": 30
+        "__id__": 98
       },
       {
-        "__id__": 32
+        "__id__": 100
       },
       {
-        "__id__": 35
+        "__id__": 102
       },
       {
-        "__id__": 37
+        "__id__": 104
       },
       {
-        "__id__": 39
+        "__id__": 106
       },
       {
-        "__id__": 41
+        "__id__": 108
       }
     ],
     "_active": true,
     "_components": [
       {
-        "__id__": 43
+        "__id__": 110
       },
       {
-        "__id__": 44
+        "__id__": 111
       }
     ],
     "_prefab": null,
@@ -1405,13 +4461,13 @@
     "_name": "ball_0",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 29
+      "__id__": 97
     },
     "_children": [],
     "_active": true,
     "_components": [
       {
-        "__id__": 31
+        "__id__": 99
       }
     ],
     "_prefab": null,
@@ -1467,7 +4523,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 30
+      "__id__": 98
     },
     "_enabled": true,
     "_materials": [
@@ -1499,16 +4555,13 @@
     "_name": "cocos_logo",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 29
+      "__id__": 97
     },
     "_children": [],
     "_active": true,
     "_components": [
       {
-        "__id__": 33
-      },
-      {
-        "__id__": 34
+        "__id__": 101
       }
     ],
     "_prefab": null,
@@ -1564,7 +4617,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 32
+      "__id__": 100
     },
     "_enabled": true,
     "_materials": [
@@ -1591,28 +4644,18 @@
     "_atlas": null,
     "_id": "74+WCqN01NIbcSpr5gcxmE"
   },
-  {
-    "__type__": "ababaxBpzZMv60DJIli3Qbn",
-    "_name": "",
-    "_objFlags": 0,
-    "node": {
-      "__id__": 32
-    },
-    "_enabled": true,
-    "_id": "deEKANKq9HW4KcsK/CN+56"
-  },
   {
     "__type__": "cc.Node",
     "_name": "ball_1",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 29
+      "__id__": 97
     },
     "_children": [],
     "_active": true,
     "_components": [
       {
-        "__id__": 36
+        "__id__": 103
       }
     ],
     "_prefab": null,
@@ -1668,7 +4711,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 35
+      "__id__": 102
     },
     "_enabled": true,
     "_materials": [
@@ -1700,13 +4743,13 @@
     "_name": "video_btn",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 29
+      "__id__": 97
     },
     "_children": [],
     "_active": true,
     "_components": [
       {
-        "__id__": 38
+        "__id__": 105
       }
     ],
     "_prefab": null,
@@ -1762,7 +4805,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 37
+      "__id__": 104
     },
     "_enabled": true,
     "_materials": [
@@ -1794,13 +4837,13 @@
     "_name": "SystemFont",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 29
+      "__id__": 97
     },
     "_children": [],
     "_active": true,
     "_components": [
       {
-        "__id__": 40
+        "__id__": 107
       }
     ],
     "_prefab": null,
@@ -1856,7 +4899,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 39
+      "__id__": 106
     },
     "_enabled": true,
     "_materials": [
@@ -1886,13 +4929,13 @@
     "_name": "BmFont",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 29
+      "__id__": 97
     },
     "_children": [],
     "_active": true,
     "_components": [
       {
-        "__id__": 42
+        "__id__": 109
       }
     ],
     "_prefab": null,
@@ -1948,7 +4991,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 41
+      "__id__": 108
     },
     "_enabled": true,
     "_materials": [
@@ -1980,7 +5023,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 29
+      "__id__": 97
     },
     "_enabled": true,
     "alignMode": 1,
@@ -2007,7 +5050,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 29
+      "__id__": 97
     },
     "_enabled": true,
     "_layoutSize": {
diff --git a/assets/scripts/LocalDiffusionCtrl.ts b/assets/scripts/LocalDiffusionCtrl.ts
index 91aa512..0a3d1ab 100644
--- a/assets/scripts/LocalDiffusionCtrl.ts
+++ b/assets/scripts/LocalDiffusionCtrl.ts
@@ -2,20 +2,20 @@ const { ccclass, property } = cc._decorator;
 
 @ccclass
 export default class LocalDiffusionCtrl extends cc.Component {
-    private color: cc.Color = cc.Color.RED;
+    private _centerPointPos: cc.Vec2 = cc.v2(0.5, 0.5);
+    private _centerColor: cc.Color = cc.Color.RED;
+    private _radius: number = 0.2;
 
     onEnable() {
         this.node.on(cc.Node.EventType.TOUCH_START, this._onTouchStart, this);
         this.node.on(cc.Node.EventType.TOUCH_MOVE, this._onTouchMove, this);
-        this.node.on(cc.Node.EventType.TOUCH_END, this._onTouchEnd, this);
-        this.node.on(cc.Node.EventType.TOUCH_CANCEL, this._onTouchCancel, this);
+        this.node.on("on_property_change", this._onPropertyChange, this);
     }
 
     onDisable() {
         this.node.off(cc.Node.EventType.TOUCH_START, this._onTouchStart, this);
         this.node.off(cc.Node.EventType.TOUCH_MOVE, this._onTouchMove, this);
-        this.node.off(cc.Node.EventType.TOUCH_END, this._onTouchEnd, this);
-        this.node.off(cc.Node.EventType.TOUCH_CANCEL, this._onTouchCancel, this);
+        this.node.off("on_property_change", this._onPropertyChange, this);
     }
 
     private _onTouchStart(event: cc.Event.EventTouch) {
@@ -27,24 +27,29 @@ export default class LocalDiffusionCtrl extends cc.Component {
         let touchPointInNodeSpace = this.node.convertToNodeSpaceAR(touchPointInWorldSpace);
 
         // 将触摸点转换为OPENGL坐标系并归一化
-        let normalizePos = cc.v2(
+        // OpenGl 坐标系原点在左上角
+        this._centerPointPos = cc.v2(
             this.node.anchorX + touchPointInNodeSpace.x / this.node.width,
             1 - (this.node.anchorY + touchPointInNodeSpace.y / this.node.height)
         );
 
         this._updateMaterial({
-            centerColor: this.color,
-            certerPoint: normalizePos,
-            radius: 0.6
+            centerColor: this._centerColor,
+            certerPoint: this._centerPointPos,
+            radius: this._radius
         });
     }
 
-    private _onTouchEnd(event: cc.Event.EventTouch) {
-        this._onTouchCancel(event);
+    private _onPropertyChange(color: cc.Color, radius: number) {
+        this._centerColor = color;
+        this._radius = radius;
+        this._updateMaterial({
+            centerColor: this._centerColor,
+            certerPoint: this._centerPointPos,
+            radius: this._radius
+        });
     }
 
-    private _onTouchCancel(event: cc.Event.EventTouch) {}
-
     private _updateMaterial(param: {
         /**
          * 中心点颜色
@@ -63,11 +68,7 @@ export default class LocalDiffusionCtrl extends cc.Component {
     }) {
         this.getComponents(cc.RenderComponent).forEach(renderComponent => {
             let material: cc.Material = renderComponent.getMaterial(0);
-            material.setProperty("centerColor", cc.v4(1.0, 1.0, 0.0, 1.0));
-            material.setProperty(
-                "centerColor",
-                cc.v4(param.centerColor.getR() / 255, param.centerColor.getG() / 255, param.centerColor.getB() / 255, param.centerColor.getA() / 255)
-            );
+            material.setProperty("centerColor", param.centerColor);
             material.setProperty("centerPoint", param.certerPoint);
             material.setProperty("radius", param.radius);
             renderComponent.setMaterial(0, material);
diff --git a/assets/scripts/LocalDiffusionEffectScene.ts b/assets/scripts/LocalDiffusionEffectScene.ts
index 2d19fbf..14c8510 100644
--- a/assets/scripts/LocalDiffusionEffectScene.ts
+++ b/assets/scripts/LocalDiffusionEffectScene.ts
@@ -1,27 +1,65 @@
+import LocalDiffusionCtrl from "./LocalDiffusionCtrl";
+
 const { ccclass, property } = cc._decorator;
 
 @ccclass
 export default class LocalDiffusionEffectScene extends cc.Component {
-    private _oldLevelSlider: cc.Slider = null;
-    private _oldLevelSliderLabel: cc.Label = null;
+    private _redSlider: cc.Slider = null;
+    private _redSliderLabel: cc.Label = null;
+
+    private _greenSlider: cc.Slider = null;
+    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 _radiuSlider: cc.Slider = null;
+    private _radiuSliderLabel: cc.Label = null;
 
     private _examplesParentNode: cc.Node = null;
 
     onLoad() {
         cc.dynamicAtlasManager.enabled = false;
-        
-        this._oldLevelSlider = cc.find("Canvas/Content/Sliders/OldLevelSlider/Slider").getComponent(cc.Slider);
-        this._oldLevelSliderLabel = cc.find("Canvas/Content/Sliders/OldLevelSlider/ValueLabel").getComponent(cc.Label);
 
+        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._radiuSlider = cc.find("Canvas/Content/Sliders/RadiuSlider/Slider").getComponent(cc.Slider);
+        this._radiuSliderLabel = cc.find("Canvas/Content/Sliders/RadiuSlider/ValueLabel").getComponent(cc.Label);
+
+        // 代码添加控制脚本
         this._examplesParentNode = cc.find("Canvas/Content/Examples");
+        this._examplesParentNode.children.forEach(childNode => {
+            childNode.addComponent(LocalDiffusionCtrl);
+        });
     }
 
     onEnable() {
-        this._oldLevelSlider.node.on("slide", this._onSliderChanged, this);
+        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._radiuSlider.node.on("slide", this._onSliderChanged, this);
     }
 
     onDisable() {
-        this._oldLevelSlider.node.off("slide", this._onSliderChanged, this);
+        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._radiuSlider.node.off("slide", this._onSliderChanged, this);
     }
 
     start() {
@@ -29,54 +67,25 @@ export default class LocalDiffusionEffectScene extends cc.Component {
     }
 
     private _onSliderChanged() {
-        this._oldLevelSliderLabel.string = `${this._oldLevelSlider.progress.toFixed(2)}`;
+        // 更新进度条值 Label 文本
+        this._redSliderLabel.string = `${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)} | ${Math.round(255 * this._alphaSlider.progress)}`;
+        this._radiuSliderLabel.string = `${this._radiuSlider.progress.toFixed(2)}`;
 
-        // // 更新材质
-        // this._updateRenderComponentMaterial({
-        //     oldLevel: this._oldLevelSlider.progress
-        // });
-    }
-
-    /**
-     * 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: {
-        /**
-         * 中心点颜色
-         */
-        centerColor: cc.Color;
-
-        /**
-         * 中心点坐标 ([0.0, 1.0], [0.0, 1.0])
-         */
-        certerPoint: cc.Vec2;
-
-        /**
-         * 扩散半径 [0.0, 1.0]
-         */
-        radius: number;
-    }) {
+        // 通知子节点更新材质
         this._examplesParentNode.children.forEach(childNode => {
-            childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
-                let material: cc.Material = renderComponent.getMaterial(0);
-                // material.setProperty("centerColor", cc.v4(1.0, 1.0, 0.0, 1.0));
-                material.setProperty(
-                    "centerColor",
-                    cc.v4(
-                        param.centerColor.getR() / 255,
-                        param.centerColor.getG() / 255,
-                        param.centerColor.getB() / 255,
-                        param.centerColor.getA() / 255
-                    )
-                );
-                material.setProperty("centerPoint", param.certerPoint);
-                material.setProperty("radius", param.radius);
-                renderComponent.setMaterial(0, material);
-            });
+            childNode.emit(
+                "on_property_change",
+                cc.color(
+                    Math.round(255 * this._redSlider.progress),
+                    Math.round(255 * this._greenSlider.progress),
+                    Math.round(255 * this._blueSlider.progress),
+                    Math.round(255 * this._alphaSlider.progress)
+                ),
+                this._radiuSlider.progress
+            );
         });
     }
 }