Files
loop/shader/fadeCircle.frag
T

16 lines
359 B
GLSL

#version 430 core
in vec2 cenPosT;
in vec2 gParams;
out vec4 fColor;
void main()
{
vec2 pos = gl_FragCoord.xy;
float dist = min(1 , 2*distance(pos,cenPosT) / (gParams.x));
//float c = pow(gParams.y*dist,2);
float c = gParams.y * pow(1-dist,2);
fColor = vec4( c,c,c ,c );
// fColor = vec4( 1,0,0 , 1);
// fColor = vec4( 1,0,0 , pow(dist,2) );
}