19 lines
359 B
Plaintext
19 lines
359 B
Plaintext
|
#version 330
|
||
|
|
out vec4 color;
|
||
|
|
|
||
|
|
in vec2 apos;
|
||
|
|
vec2 bpos;
|
||
|
|
uniform int thickness;
|
||
|
|
uniform int span;
|
||
|
|
|
||
|
|
void main(void)
|
||
|
|
{
|
||
|
|
float t = thickness / 2.f;
|
||
|
|
bpos.x = mod(apos.x, span);
|
||
|
|
bpos.y = mod(apos.y, span);
|
||
|
|
|
||
|
|
if (!(bpos.x <= t || bpos.x >= (span - t) || bpos.y <= t || bpos.y >= (span - t)))
|
||
|
|
discard;
|
||
|
|
|
||
|
|
color = vec4(0.4f, 0.7f, 0.2f, 0.3f);
|
||
|
|
}
|