mirror of
https://github.com/cyberboy666/r_e_c_u_r.git
synced 2025-12-05 16:00:06 +01:00
62 lines
2.1 KiB
GLSL
62 lines
2.1 KiB
GLSL
// Author:
|
|
// Title:
|
|
|
|
#ifdef GL_ES
|
|
precision mediump float;
|
|
#endif
|
|
|
|
uniform vec2 u_resolution;
|
|
uniform vec2 u_mouse;
|
|
uniform float u_time;
|
|
|
|
void main() {
|
|
vec2 pos = gl_FragCoord.xy;
|
|
vec2 st = gl_FragCoord.xy/u_resolution.xy;
|
|
st.x *= u_resolution.x/u_resolution.y;
|
|
|
|
/*float wave_length = 180.0;
|
|
float period = 5.0;
|
|
float speed = wave_length/period;
|
|
float speed = 100.0;
|
|
float period = wave_length/speed;
|
|
float x_coef = 6.28/wave_length;
|
|
float t_coef = 6.28/period;*/
|
|
|
|
|
|
vec3 color = vec3(0.0,0.0,0.0);
|
|
|
|
/*vec3 col1 = vec3(0.5, 0.0, 0.1);
|
|
vec3 col2 = vec3(0.2, 0.1, 0.8);
|
|
|
|
float mixer = sin(u_time);
|
|
|
|
color = mix(col1, col2, mixer);*/
|
|
|
|
// -------- Hypnotic circle thing ----------
|
|
/*vec2 s1 = vec2(u_resolution.x*(0.5 + 0.25*cos(u_time)), u_resolution*(0.5 + 0.25*sin(u_time)));
|
|
vec2 s2 = vec2(u_resolution.x*(0.5 + 0.25*sin(u_time)), u_resolution*(0.5 + 0.25*cos(u_time)));
|
|
vec2 s3 = vec2(u_resolution.x*0.5, u_resolution*0.5);
|
|
|
|
float r1 = pow(pow(pos.x-s1.x,2.0) + pow(pos.y-s1.y,2.0), 0.5);
|
|
float r2 = pow(pow(pos.x-s2.x,2.0) + pow(pos.y-s2.y,2.0), 0.5);
|
|
float r3 = pow(pow(pos.x-s3.x,2.0) + pow(pos.y-s3.y,2.0), 0.5);
|
|
|
|
color += vec3(0.5 + 0.5*sign(sin((0.1 + 0.05*sin(u_time+2.0))*r1 - 1.0*u_time)), 0.0, 0.0);
|
|
color += vec3(0.0, 0.0, 0.5 + 0.5*sign(sin((0.1 + 0.05*sin(u_time))*r2 - 1.2*u_time)));
|
|
color += vec3(0.0, 0.5 + 0.5*sign(sin((0.1 + 0.05*sin(u_time+0.5))*r3 - 1.1*u_time)), 0.0);*/
|
|
|
|
// ------- cool square wave thing ----------
|
|
//color += vec3(sign(sin(0.05*pos.x - u_time + sin(0.05*pow(pos.y,1.5) - u_time))),0.,0.);
|
|
//color += vec3(0., 0., sign(cos(0.03*pos.x - u_time + 0.5*sin(0.05*pos.y - u_time))));
|
|
|
|
// ------- puff in puff out diamond --------
|
|
color += vec3(sin(0.05*pos.x - cos(u_time)) + cos(0.05*pos.x/(0.1 + abs(cos(u_time/5.0)))),0.0,0.0);
|
|
color += vec3(sin(0.05*pos.y - cos(u_time/5.0)) + cos(0.05*pos.y/(0.1 + abs(cos(u_time/5.0)))),0.0,0.0);
|
|
color += vec3(0.0, 0.0, sin(u_time));
|
|
//color = vec3(st.y);
|
|
|
|
|
|
|
|
gl_FragColor = vec4(color,1.);
|
|
}
|