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retuned horizontal blur

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This commit is contained in:
Valerie Wolfe 2024-05-05 17:20:01 -04:00
parent 5937638895
commit e4c5715b3f
1 changed files with 10 additions and 15 deletions
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27
shaders/module/horizontal_blur.frag
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@ -8,21 +8,16 @@ float avg(float l, float c, float r) {
vec3 hblur() { vec3 hblur() {
vec3 center = texture2D(gcolor, texcoord).rgb; vec3 center = texture2D(gcolor, texcoord).rgb;
vec2 leftPos = texcoord - neighborOffset; vec3 sum = vec3(0);
vec2 rightPos = texcoord + neighborOffset; int count = 0;
for(int x = -2; x < 2; x++) {
vec3 left; vec2 pos = texcoord - (neighborOffset * x);
if(leftPos.x >= 0) if(pos.x >= 0 && pos.x < viewWidth) {
left = texture2D(gcolor, leftPos).rgb; sum += texture2D(gcolor, pos).rgb;
else count++;
left = center; }
}
vec3 right;
if(rightPos.x >= 0) return sum / count;
right = texture2D(gcolor, rightPos).rgb;
else
right = center;
return vec3(avg(left.r, center.r, right.r), avg(left.g, center.g, right.g), avg(left.b, center.b, right.b));
} }