着色器实现灯光效果, 编辑器运行正常, 网页无效果

• Creator 版本： 3.8.2

• 目标平台： 网页

着色器代码:
// Copyright © 2017-2020 Xiamen Yaji Software Co., Ltd.
CCEffect %{
techniques:

• name: opaque
  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: &props
      alphaThreshold: { value: 0.5 }
      center1: { value: [0.5,0.5,0,0], editor: { tooltip: ‘中心点 (左上角为原点)’, type: vector}}
      radius1: { value: [0.2,0.2,0,0],editor: { tooltip: ‘半径 (目标宽度 / 节点宽度)’ , type: [vector]} }
      center2: { value: [0.5,0.5,0,0], editor: { tooltip: ‘中心点 (左上角为原点)’, type: vector}}
      radius2: { value: [0.2,0.2,0,0],editor: { tooltip: ‘半径 (目标宽度 / 节点宽度)’ , type: [vector]} }

• name: transparent
  passes:

  • vert: sprite-vs:vert
    frag: sprite-fs:frag
    depthStencilState: &d1
    depthTest: true
    depthWrite: false
    blendState:
    targets:
    • blend: true
      blendSrc: src_alpha
      blendDst: one_minus_src_alpha
      blendDstAlpha: one_minus_src_alpha
      properties: *props
      }%

CCProgram sprite-vs %{
precision highp float;
#include <builtin/uniforms/cc-global>
#if USE_LOCAL
#include <builtin/uniforms/cc-local>
#endif
#if SAMPLE_FROM_RT
#include <common/common-define>
#endif
in vec3 a_position;
in vec2 a_texCoord;
in vec4 a_color;

out vec4 color;
out vec2 uv0;
out vec2 v_screenPos;

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

uv0 = a_texCoord;
#if SAMPLE_FROM_RT
  CC_HANDLE_RT_SAMPLE_FLIP(uv0);
#endif
color = a_color;
v_screenPos = pos.xy / pos.w;

return pos;

}
}%

CCProgram sprite-fs %{
precision highp float;
#include <builtin/internal/embedded-alpha>
#include <builtin/internal/alpha-test>
#include <builtin/uniforms/cc-global>

in vec4 color;
in vec2 v_screenPos;

#if USE_TEXTURE
in vec2 uv0;

#pragma builtin(local)
layout(set = 2, binding = 12) uniform sampler2D cc_spriteTexture;
uniform ARGS { 
    vec4 center1;
    vec4 radius1;
    vec4 center2;
    vec4 radius2;
};

#endif

vec4 frag () {
vec4 o = vec4(1, 1, 1, 1);

#if USE_TEXTURE
  o *= CCSampleWithAlphaSeparated(cc_spriteTexture, uv0);
  float v_alpha = o.a;
  float ratio = cc_screenSize.x / cc_screenSize.y;
  // 第一个
  float dis = distance(vec2(uv0.x, uv0.y / ratio), vec2(center1.x, center1.y / ratio));
  float a_alpha = smoothstep(radius1.x - radius1.y, radius1.x, dis);
  v_alpha = min(v_alpha, a_alpha);



  // 第二个
  dis = distance(vec2(uv0.x, uv0.y / ratio), vec2(center2.x, center2.y / ratio));
  a_alpha = smoothstep(radius2.x - radius2.y, radius2.x, dis);
  v_alpha = min(v_alpha, a_alpha);
  
  o.a = v_alpha;

#endif

o *= color;
ALPHA_TEST(o);
return o;

}
}%
属性页面设置

在编辑器效果

浏览器运行效果

有大佬可以指点一下为什么有这种情况吗?

图用的是 default_sprite_splash
预览正常, 运行后自动合图, uv就变了;
把default_sprite_splash复制一份出来改名, 取消勾选packable;大概就没问题了

感谢大佬, 确实是这个问题.

这种坑确实很容易遇到。