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36 lines
930 B
GLSL
36 lines
930 B
GLSL
// By Nitcha Tothong ( nitchafa.me )
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// For Shader Studio Course https://github.com/patriciogonzalezvivo/ss2015
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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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vec3 colorA = vec3(0.5,0.5,0.5);
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vec3 colorB = vec3(1.0,0.7,0.4);
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vec3 colorC = vec3(0.0,0.15,0.2);
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float plot (vec2 st, float pct){
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return smoothstep( pct-0.01, pct, st.y) -
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smoothstep( pct, pct+0.01, st.y);
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}
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// cosine based palette, 4 vec3 params by Iñigo Quílez
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// http://www.iquilezles.org/www/articles/palettes/palettes.html
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vec3 palette( in float t, in vec3 a, in vec3 b, in vec3 c, in vec3 d )
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{
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return a + b*cos( 6.28318*(c*t+d) );
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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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// Move to +
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st.x -= 0.40*u_time*0.6;
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vec3 color = palette(st.x,colorA, colorC, colorB, colorC)* 1.5;
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float f = fract(st.x*7.0);
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gl_FragColor = vec4(color,1.0);
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} |