36 lines
675 B
GLSL
36 lines
675 B
GLSL
#ifdef GL_ES
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precision mediump float;
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#endif
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#define FBM_OCTAVES 6
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#include "lygia/generative/fbm.glsl"
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uniform vec2 u_resolution;
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uniform vec2 u_mouse;
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uniform vec3 u_color_start;
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uniform vec3 u_color_end;
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uniform vec2 u_offset;
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uniform float u_time;
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void main(){
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vec2 st=(gl_FragCoord.xy+u_offset)/u_resolution;
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vec2 q=vec2(0.);
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q.x=fbm(st);
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q.y=fbm(st+vec2(1.));
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q=q*.5+.5;
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vec2 r=vec2(0.);
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r.x=fbm(st+1.*q+vec2(1.7,9.2)+.0115*u_time);
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r.y=fbm(st+1.*q+vec2(8.3,2.8)+.0226*u_time);
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r=r*.5+.5;
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float f=fbm(st+r);
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vec3 color=mix(u_color_start,u_color_end,f*.3);
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gl_FragColor=vec4(color,1.);
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} |