Files
loop/shader/twoD/arc.frag
T
2021-06-10 11:55:22 +02:00

18 lines
387 B
GLSL

#version 430 core
in vec4 gColor;
in float gRadIn;
in vec2 angles;
in vec2 dist;
out vec4 fColor;
void main()
{
float sa = angles.x;
vec2 sv = vec2 (-sin(sa), cos(sa));
float ea = angles.y;
vec2 ev = vec2 (-sin(ea), cos(ea));
float d = (dist.x * dist.x) + (dist.y * dist.y);
if (d > 1 || d < gRadIn || dot(sv, dist) < 0 || dot(ev, dist) > 0) {discard;}
fColor = gColor;
}