14 lines
336 B
Plaintext
14 lines
336 B
Plaintext
|
float circle(in vec2 _st, in float _radius){
|
||
|
|
vec2 dist = _st-vec2(0.5);
|
||
|
|
return smoothstep(_radius-(_radius*0.01),
|
||
|
|
_radius+(_radius*0.01),
|
||
|
|
dot(dist,dist)*4.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void fragment(){
|
||
|
|
vec2 st = FRAGCOORD.xy*SCREEN_PIXEL_SIZE.xy;
|
||
|
|
|
||
|
|
COLOR.rgb = vec3(0);
|
||
|
|
COLOR.a = circle(st,0.05);
|
||
|
|
}
|