the demo

assets/resources/mt/monsterEff.effect

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+// Copyright (c) 2017-2020 Xiamen Yaji Software Co., Ltd.
+
+CCEffect %{
+  techniques:
+  - passes:
+    - vert: sprite-vs:vert
+      frag: sprite-fs:frag
+      depthStencilState:
+        depthTest: false
+        depthWrite: false
+      blendState:
+        targets:
+        - blend: true
+          blendSrc: src_alpha
+          blendDst: one_minus_src_alpha
+          blendDstAlpha: one_minus_src_alpha          
+      rasterizerState:
+        cullMode: none
+      properties:
+        alphaThreshold: { value: 0.5 }
+        # 自定义参数
+        hitwhit: {value: 0.0}
+        noiceTx: {value: white}
+        glowThreshold: {
+          value: 0.1,
+          editor: {
+            tooltip: "发光阈值（只有超过这个透明度的点才会发光）",
+            range: [0.0, 1.0]
+          }
+        }     
+}%
+
+CCProgram sprite-vs %{
+  precision highp float;
+  #include <builtin/uniforms/cc-global>
+  #if USE_LOCAL
+    #include <builtin/uniforms/cc-local>
+  #endif
+
+  in vec3 a_position;
+  in vec2 a_texCoord;
+  in vec4 a_color;
+  
+  out vec4 v_color;
+  out vec2 v_uv0;
+
+  #if USE_TEXTURE
+    in vec2 a_uv0;
+  #endif
+
+  vec4 vert (){
+    vec4 pos = vec4(a_position, 1);
+
+    #if USE_LOCAL
+      pos = cc_matWorld * pos;
+    #endif
+
+    #if USE_PIXEL_ALIGNMENT
+      pos = cc_matView * pos;
+      pos.xyz = floor(pos.xyz);
+      pos = cc_matProj * pos;
+    #else
+      pos = cc_matViewProj * pos;
+    #endif
+
+    #if USE_TEXTURE
+      v_uv0 = a_uv0;
+    #endif
+
+    v_color = a_color;
+
+    v_uv0 = a_texCoord;
+
+    return pos;
+  }
+}%
+
+
+CCProgram sprite-fs %{
+  precision highp float;
+  #include <builtin/internal/embedded-alpha>
+  #include <builtin/internal/alpha-test>
+
+  in vec4 v_color;
+
+  #if USE_TEXTURE
+    in vec2 v_uv0;
+    #pragma builtin(local)
+    layout(set = 2, binding = 11) uniform sampler2D cc_spriteTexture;
+  #endif
+
+  uniform sampler2D noiceTx;
+
+  // 定义向周边搜索的圈数
+  #pragma define range 5.0
+
+  #if SHOW_INNER_GLOW
+
+    uniform glow {
+
+      // 闪白进度
+      float hitwhit;
+
+      // 发光阈值
+      float glowThreshold;
+
+      // 特别地，必须是 vec4 先于 float 声明
+    };
+
+    vec4 getTextureColor(sampler2D mainTexture, vec2 v_uv0) {
+      if (v_uv0.x > 1.0 || v_uv0.x < 0.0 || v_uv0.y > 1.0 || v_uv0.y < 0.0) {
+        return vec4(0.0, 0.0, 0.0, 0.0);
+      }
+      return CCSampleWithAlphaSeparated(mainTexture, v_uv0);
+    }
+  #endif
+
+
+  vec4 frag () {
+    vec4 o = vec4(1, 1, 1, 1);
+    vec4 white = vec4(1 , 1 ,1, 1);
+    vec4 burnColor = vec4(0, 0, 0.8, 1);
+    float vcolorA = v_color.a;
+
+    #if USE_TEXTURE
+      o *= CCSampleWithAlphaSeparated(cc_spriteTexture, v_uv0);
+      #if IS_GRAY
+        float gray  = 0.2126 * o.r + 0.7152 * o.g + 0.0722 * o.b;
+        o.r = o.g = o.b = gray;
+      #endif
+      #if CC_USE_ALPHA_ATLAS_TEXTURE
+        o.a *= texture2D(cc_spriteTexture, v_uv0 + vec2(0, 0.5)).r;
+      #endif
+    #endif
+
+    // o *= v_color;
+    //废弃a的透明度作用
+    // o.rgb *= v_color.rgb;
+    
+    #if SHOW_INNER_GLOW
+      vec4 color_dest = o;
+
+      if(hitwhit > 0.){
+        //下面那坨阴影就不闪白了吧 //&& v_uv0.y <= 0.90
+        if(color_dest.a > 0.02 ){
+          o = white * hitwhit + color_dest;
+        }else{
+          o = color_dest;
+        }
+      }
+
+      //利用v_color.r 实现冰冻减速内发光 r控制蓝色内发光开关
+      vec4 innerLightParam = vec4(1,1,1,1);
+      innerLightParam.r = o.a;
+      innerLightParam.g = 1. - abs(v_uv0.x - 0.5) * 0.5 ;
+      innerLightParam.b = 1. - abs(v_uv0.y - 0.5) * 0.5 ;
+      innerLightParam.a = innerLightParam.g * innerLightParam.b * 0.8;
+      if(innerLightParam.r < 0.08){
+          innerLightParam.a = 0.;
+      }
+      vec4 color_src = burnColor * innerLightParam.a;
+
+      // 源颜色（内发光）
+      if(v_color.r < 0.1){  
+        o = color_src * color_src.a + color_dest;
+      }
+    #endif
+      
+    //闪白
+    //利用alpha通道 实现不打断合批的 受击闪白 a越接近1.0 白图影响越大
+    //弃用了v_color.a的意义 //消融的时候不闪白
+    if(v_color.g == 1. && abs(vcolorA) > .01){
+      o.rgb = o.rgb * (1.0 - vcolorA) + white.rgb * vcolorA;
+    }
+
+    //消融
+    //v_color.g
+    if(v_color.g != 1.){
+
+      //改为step方式
+      float disFactor = 1.0;
+      disFactor *= step(o.b,v_color.g) * step(o.r, v_color.g) * step(o.g,v_color.g);
+      if(disFactor == 1.){
+        discard;
+      }
+
+      disFactor = 1.0;
+      disFactor *= step(v_color.g,0.2) * step(o.b,v_color.g+0.2);
+      o.rgb = mix(o.rgb, vec3(.2,.6,.2), disFactor);
+
+
+
+    }
+
+    return o;
+  }
+}%

assets/resources/mt/monsterEff.effect.meta

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+{
+  "ver": "1.6.0",
+  "importer": "effect",
+  "imported": true,
+  "uuid": "ba6d3a07-9158-4f5a-a3cd-758eaa54cfa8",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {}
+}

assets/resources/mt/monsterEff.mtl

@@ -0,0 +1,36 @@
+{
+  "__type__": "cc.Material",
+  "_name": "",
+  "_objFlags": 0,
+  "_native": "",
+  "_effectAsset": {
+    "__uuid__": "ba6d3a07-9158-4f5a-a3cd-758eaa54cfa8",
+    "__expectedType__": "cc.EffectAsset"
+  },
+  "_techIdx": 0,
+  "_defines": [
+    {
+      "USE_TEXTURE": true,
+      "SHOW_INNER_GLOW": true
+    }
+  ],
+  "_states": [
+    {
+      "rasterizerState": {},
+      "depthStencilState": {},
+      "blendState": {
+        "targets": [
+          {}
+        ]
+      }
+    }
+  ],
+  "_props": [
+    {
+      "noiceTx": {
+        "__uuid__": "47fde87f-ddce-4132-b599-476d6e20a5cd@6c48a",
+        "__expectedType__": "cc.Texture2D"
+      }
+    }
+  ]
+}

assets/resources/mt/monsterEff.mtl.meta

@@ -0,0 +1,11 @@
+{
+  "ver": "1.0.16",
+  "importer": "material",
+  "imported": true,
+  "uuid": "1c1473a5-c219-454f-8787-4872c716e718",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {}
+}

assets/resources/mt/noice.png.meta

@@ -0,0 +1,42 @@
+{
+  "ver": "1.0.25",
+  "importer": "image",
+  "imported": true,
+  "uuid": "47fde87f-ddce-4132-b599-476d6e20a5cd",
+  "files": [
+    ".json",
+    ".png"
+  ],
+  "subMetas": {
+    "6c48a": {
+      "importer": "texture",
+      "uuid": "47fde87f-ddce-4132-b599-476d6e20a5cd@6c48a",
+      "displayName": "noice",
+      "id": "6c48a",
+      "name": "texture",
+      "userData": {
+        "wrapModeS": "clamp-to-edge",
+        "wrapModeT": "clamp-to-edge",
+        "imageUuidOrDatabaseUri": "47fde87f-ddce-4132-b599-476d6e20a5cd",
+        "isUuid": true,
+        "visible": true,
+        "minfilter": "linear",
+        "magfilter": "linear",
+        "mipfilter": "nearest",
+        "anisotropy": 0
+      },
+      "ver": "1.0.22",
+      "imported": true,
+      "files": [
+        ".json"
+      ],
+      "subMetas": {}
+    }
+  },
+  "userData": {
+    "type": "texture",
+    "fixAlphaTransparencyArtifacts": true,
+    "hasAlpha": false,
+    "redirect": "47fde87f-ddce-4132-b599-476d6e20a5cd@6c48a"
+  }
+}