12 lines
359 B
GLSL
12 lines
359 B
GLSL
void main()
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{
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vec2 uv = TexCoord.st;
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vec2 p = vec2(0.5)-uv;
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vec2 sz = textureSize(InputTexture,0);
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if ( sz.x > sz.y ) p.x *= sz.x/sz.y;
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else p.y *= sz.y/sz.x;
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vec3 col = texture(InputTexture,uv+p*pow(length(p),8.)*40.).rgb;
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col = max(col.r,max(col.g,col.b))*vec3(1.,0.2,.1);
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col *= 1.-clamp(pow(length(p)*2.,16.),0.,1.);
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FragColor = vec4(col,1.0);
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}
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