forked from mirrors/zig-glsl-view
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
530 B
GLSL
24 lines
530 B
GLSL
#version 330 core
|
|
|
|
in vec2 uv;
|
|
out vec4 color;
|
|
|
|
// provided by default
|
|
uniform float iTime; // seconds since start
|
|
uniform vec2 iResolution;
|
|
|
|
// modifiable via OSC
|
|
uniform float offset;
|
|
uniform float r = 1.0;
|
|
uniform float radius = 0.2;
|
|
uniform vec4 ball_color = vec4(.1,.1,.1,.9);
|
|
|
|
void main() {
|
|
vec2 p = uv*2.-1.;
|
|
p.y *= iResolution.y / iResolution.x;
|
|
|
|
color = vec4(mod(p.xyx + vec3(0, sin(iTime)/6, offset), vec3(1)), 0.4);
|
|
color.r = r;
|
|
color.rgba = mix(color, ball_color, smoothstep(1, 0.99, length(p) / radius));
|
|
}
|