GLSL2
:#ifdef GL_ES
precision mediump float;
#endif
#extension GL_OES_standard_derivatives : enable
uniform float time;
uniform vec2 mouse;
uniform vec2 resolution;
float ball(vec2 position, float x, float y){
return 0.8 * step(length(position - (0.3 * cos(vec2(time * x, time * y)))), 0.05);
}
void main( void ) {
vec2 position = ( gl_FragCoord.xy / min(resolution.x, resolution.y) ) - 0.5;
vec4 c = vec4(0);
float th = 1.256;
for(int i=0; i< 5; i++){
c += vec4(ball(position, .2, .3), 0., 0., 1.);
c += vec4(0., ball(position, .3, .5), 0., 1.);
c += vec4(0., 0., ball(position, .5, .7), 1.);
c += vec4(ball(position, .7, 1.1), 0., 0., 1.);
c += vec4(0., ball(position, 1.1, 1.3), 0., 1.);
c += vec4(0., 0., ball(position, 1.3, 1.7), 1.);
position = mat2(cos(th), -sin(th), sin(th), cos(th)) * position;
}
gl_FragColor = vec4(c);
}:#define b(p,x,y) .8*step(length(p-(.3*cos(vec2(time*x,time*y)))),.05)
void main( void ) {
vec2 r=resolution;
vec2 p=(gl_FragCoord.xy/min(r.x,r.y))-.5;
vec4 c=vec4(0);
float a=1.256,x=cos(a);
for(int i=0;i<5;i++){
c+=vec4(b(p,.2,.3)+b(p,.7,1.1),b(p,.3,.5)+b(p,1.1,1.3),b(p,.5,.7)+b(p,1.3,1.7),1);
p*=mat2(cos(a), -sin(a), sin(a), cos(a));}
gl_FragColor=c;
}:#ifdef GL_ES
precision mediump float;
#endif
#extension GL_OES_standard_derivatives : enable
uniform float time;
uniform vec2 mouse;
uniform vec2 resolution;
#define b(p,x,y) .8*step(length(p-(.3*cos(time*vec2(x,y)))),.05)
void main( void ) {
vec2 r=resolution;
vec2 p=(gl_FragCoord.xy/min(r.x,r.y))-.5;
vec4 c=vec4(0);
for(int i=0;i<5;i++){
c+=vec4(b(p,.2,.3)+b(p,.7,1.1),b(p,.3,.5)+b(p,1.1,1.3),b(p,.5,.7)+b(p,1.3,1.7),1);
p*=mat2(cos(vec4(93,60,82,93)));}
gl_FragColor=c;
}