mirror of
https://github.com/patriciogonzalezvivo/thebookofshaders
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22 lines
434 B
GLSL
22 lines
434 B
GLSL
// Author @patriciogv - 2015
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// http://patriciogonzalezvivo.com
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#ifdef GL_ES
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precision mediump float;
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#endif
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uniform vec2 u_resolution;
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uniform float u_time;
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float random (in vec2 _st) {
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return fract(sin(dot(_st.xy,
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vec2(12.9898,78.233)))*
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43758.5453123);
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}
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void main() {
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vec2 st = gl_FragCoord.xy/u_resolution.xy;
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float rnd = random( st );
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gl_FragColor = vec4(vec3(rnd),1.0);
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} |