mirror of https://github.com/axmolengine/axmol.git
40 lines
841 B
Plaintext
40 lines
841 B
Plaintext
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#version 310 es
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precision highp float;
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precision highp int;
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// Shader from here: http://www.iquilezles.org/
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layout(binding = 0) uniform sampler2D tex0;
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layout(binding = 1) uniform sampler2D tex1;
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layout(std140, binding = 0) uniform fs_ub {
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vec2 resolution;
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vec2 u_screenSize;
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vec4 u_Time;
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vec4 u_CosTime;
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};
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layout(location = SV_Target0) out vec4 FragColor;
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void main(void)
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{
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#ifdef METAL
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vec2 fragCoord = vec2(gl_FragCoord.x, u_screenSize.y - gl_FragCoord.y);
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#else
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vec2 fragCoord = gl_FragCoord.xy;
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#endif
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float time = u_Time[1];
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vec2 p = -1.0 + 2.0 * fragCoord / resolution.xy;
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vec2 uv;
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float a = atan(p.y,p.x);
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float r = sqrt(dot(p,p));
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uv.x = r - u_Time[2];
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uv.y = sin(a*10.0 + 2.0)*u_CosTime[0];
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vec3 col = (.5+.5*uv.y)*texture(tex0,uv).xyz;
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FragColor = vec4(col,1.0);
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}
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