{
  "ver": "1.0.25",
  "uuid": "9334fb7c-0605-4285-8664-be8c2f8cc5b6",
  "compiledShaders": [
    {
      "glsl1": {
        "vert": "\nprecision highp float;\nuniform mediump mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n  v_color = a_color;\n  gl_Position = pos;\n}",
        "frag": "\nprecision highp float;\n#if USE_ALPHA_TEST\n#endif\nvarying vec4 v_color;\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\nuniform vec2 u_point;\nuniform float u_radius;\nfloat energy(float r, vec2 point1, vec2 point2) {\n  return (r * r) / ((point1.x - point2.x) * (point1.x - point2.x) + (point1.y - point2.y) * (point1.y - point2.y));\n}\nvoid main(){\n  vec4 color = texture2D(texture, v_uv0);\n  float fragEnergy = energy(u_radius + 0.1, v_uv0.xy, vec2(0.5)) + energy(u_radius, v_uv0.xy, u_point);\n  color.a = smoothstep(0.95, 1.0, fragEnergy);\n  gl_FragColor = color;\n}"
      },
      "glsl3": {
        "vert": "\nprecision highp float;\nuniform CCGlobal {\n  highp   vec4 cc_time;\n  mediump vec4 cc_screenSize;\n  mediump vec4 cc_screenScale;\n  mediump vec4 cc_nativeSize;\n  highp   mat4 cc_matView;\n  mediump mat4 cc_matViewInv;\n  mediump mat4 cc_matProj;\n  mediump mat4 cc_matProjInv;\n  mediump mat4 cc_matViewProj;\n  mediump mat4 cc_matViewProjInv;\n  mediump vec4 cc_cameraPos;\n};\nuniform CCLocal {\n  mat4 cc_matWorld;\n  mat4 cc_matWorldIT;\n};\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n  v_color = a_color;\n  gl_Position = pos;\n}",
        "frag": "\nprecision highp float;\n#if USE_ALPHA_TEST\n  uniform ALPHA_TEST {\n    float alphaThreshold;\n  };\n#endif\nuniform CCGlobal {\n  highp   vec4 cc_time;\n  mediump vec4 cc_screenSize;\n  mediump vec4 cc_screenScale;\n  mediump vec4 cc_nativeSize;\n  highp   mat4 cc_matView;\n  mediump mat4 cc_matViewInv;\n  mediump mat4 cc_matProj;\n  mediump mat4 cc_matProjInv;\n  mediump mat4 cc_matViewProj;\n  mediump mat4 cc_matViewProjInv;\n  mediump vec4 cc_cameraPos;\n};\nin vec4 v_color;\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\nuniform ARGS {\n  vec2 u_point;\n  float u_radius;\n};\nfloat energy(float r, vec2 point1, vec2 point2) {\n  return (r * r) / ((point1.x - point2.x) * (point1.x - point2.x) + (point1.y - point2.y) * (point1.y - point2.y));\n}\nvoid main(){\n  vec4 color = texture(texture, v_uv0);\n  float fragEnergy = energy(u_radius + 0.1, v_uv0.xy, vec2(0.5)) + energy(u_radius, v_uv0.xy, u_point);\n  color.a = smoothstep(0.95, 1.0, fragEnergy);\n  gl_FragColor = color;\n}"
      }
    }
  ],
  "subMetas": {}
}