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23 lines
419 B
GLSL
23 lines
419 B
GLSL
#ifdef GL_ES
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precision highp float;
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#endif
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uniform vec2 u_resolution;
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uniform vec2 u_mouse;
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uniform float u_time;
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const float size = 8.0;
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void main(){
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vec2 st = gl_FragCoord.st/u_resolution.xy;
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vec3 color = vec3(.0);
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float red = fract(st.x*size);
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float green = fract((1.-st.y)*size);
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float blue = floor((1.-st.y)*size)/size;
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color = vec3(red,green,blue);
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gl_FragColor = vec4( color , 1.0);
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}
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