init

assets/Bundles/MainGame/MainGame.scene

@@ -1514,7 +1514,7 @@
     "__prefab": null,
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 106,
+      "width": 58,
       "height": 58
     },
     "_anchorPoint": {

assets/Scripts/Scenes/MainGame/Snake.ts

@@ -283,6 +283,7 @@ export class Snake extends Component {
         );
         this.head.setPosition(newHeadPos);
         this.head.setScale(this.scale, this.scale);
+        this.head.setSiblingIndex(this.bodyArr.length);
 
         const space = ~~(this.SEGMENT_SPACING * this.scale);
 

assets/resources/MultTextures/Mult-effect.effect

@@ -39,8 +39,8 @@ CCProgram sprite-vs %{
   in vec2 a_texCoord;
   in vec4 a_color;
 
-  out vec4 color;
-  out vec3 uv0;
+  out lowp vec4 color;
+  out mediump vec3 uv0;
 
   vec4 vert () {
     vec4 pos = vec4(a_position, 1);
@@ -57,11 +57,11 @@ CCProgram sprite-vs %{
       pos = cc_matViewProj * pos;
     #endif
 
-    // uv0 = a_texCoord;
-    float id = mod(a_texCoord.x,10.0);
-    uv0.x = (a_texCoord.x - id)*0.000001;
     uv0.y = a_texCoord.y;
-    uv0.z = id;
+    uv0.z = mod(a_texCoord.x,10.0);
+    //uv0.z = fract(a_texCoord.x*0.1);
+    //uv0.z = floor(uv0.z*10.0+0.1);
+    uv0.x = (a_texCoord.x-uv0.z)*0.000001;
 
     #if SAMPLE_FROM_RT
       CC_HANDLE_RT_SAMPLE_FLIP(uv0.xy);
@@ -73,14 +73,14 @@ CCProgram sprite-vs %{
 }%
 
 CCProgram sprite-fs %{
-  precision highp float;
+  precision mediump float;
   #include <builtin/internal/embedded-alpha>
   #include <builtin/internal/alpha-test>
 
-  in vec4 color;
+  in lowp vec4 color;
 
   #if USE_TEXTURE
-    in vec3 uv0;
+    in mediump vec3 uv0;
     #pragma builtin(local)
     layout(set = 2, binding = 12) uniform sampler2D cc_spriteTexture;
     uniform sampler2D texture1;
@@ -96,19 +96,19 @@ CCProgram sprite-fs %{
     vec4 o = vec4(1, 1, 1, 1);
 
     #if USE_TEXTURE
-    if(uv0.z<0.5)
+    if(uv0.z == 0.0)
       o *= CCSampleWithAlphaSeparated(cc_spriteTexture, uv0.xy);
-    else if(uv0.z<1.5)
+    else if(uv0.z == 1.0)
       o *= CCSampleWithAlphaSeparated(texture1, uv0.xy);
-     else if(uv0.z<2.5)
+     else if(uv0.z == 2.0)
       o *= CCSampleWithAlphaSeparated(texture2, uv0.xy);
-     else if(uv0.z<3.5)
+     else if(uv0.z == 3.0)
       o *= CCSampleWithAlphaSeparated(texture3, uv0.xy);
-     else if(uv0.z<4.5)
+     else if(uv0.z == 4.0)
       o *= CCSampleWithAlphaSeparated(texture4, uv0.xy);
-     else if(uv0.z<5.5)
+     else if(uv0.z == 5.0)
       o *= CCSampleWithAlphaSeparated(texture5, uv0.xy);
-     else if(uv0.z<6.5)
+     else if(uv0.z == 6.0)
       o *= CCSampleWithAlphaSeparated(texture6, uv0.xy);
      else
       o *= CCSampleWithAlphaSeparated(texture7, uv0.xy);