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Beppe Vanrolleghem
2024-06-11 20:07:49 +02:00
parent 4e033405ad
commit b18992e048
1 changed files with 4 additions and 3 deletions
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7
experiments/exercises/offset_patterns.frag
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@@ -23,12 +23,13 @@ void main() {
vec2 st = (gl_FragCoord.xy*2. - u_resolution.xy)/u_resolution.y; vec2 st = (gl_FragCoord.xy*2. - u_resolution.xy)/u_resolution.y;
vec3 color = vec3(0.0,0.0,0.0); vec3 color = vec3(0.0,0.0,0.0);
float alpha = 1.0; float alpha = 1.0;
float sp = u_time/2.; float sp = u_time/8.;
float m = step(mod(sp*10.,2.),1.); float m = step(mod(sp*10.,2.),1.);
vec2 st2 = st; vec2 st2 = st;
//vec2 st2 = fract(st*10.)-.5; //vec2 st2 = fract(st*10.)-.5;
//vec2 u = step(mod(vec2(2.),fract(st2)*10.),vec2(1.))*2.-1.; vec2 u = vec2(1.);
//u = vec2(1.); u.x = step(mod(st2.y*10.,2.),1.)*2.-1.;
u.y = step(mod(st2.x*10.,2.),1.)*2.-1.;
st2.x += u.x*fract(sp*m); st2.x += u.x*fract(sp*m);
st2.y += u.y*fract(sp*(1.-m)); st2.y += u.y*fract(sp*(1.-m));
st2 = fract(st2*10.)-.5; st2 = fract(st2*10.)-.5;