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30 lines
588 B
GLSL
30 lines
588 B
GLSL
#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 vec2 u_mouse;
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uniform float u_time;
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#define PI 3.14159265359
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const vec3 uAColor = vec3(.5,.5,.5);
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const vec3 uBColor = vec3(.5,.5,.5);
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const vec3 uCColor = vec3(1.,1.,1.);
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const vec3 uDColor = vec3(.0,.33,.67);
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//get colors from http://dev.thi.ng/gradients/
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vec3 cosPalette(float t) {
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return uAColor + uBColor*cos(6.28318*(uCColor*t+uDColor));
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}
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void main() {
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vec2 st = gl_FragCoord.xy/u_resolution;
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vec3 color = vec3(0.0,0.0,0.0);
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float alpha = 1.0;
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gl_FragColor = vec4(color, alpha);
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}
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