Pixel-Composer/#backups/shaders/sh_atlas_scan/sh_atlas_scan.fsh.backup1
2024-04-18 12:12:31 +07:00

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// 2024-04-18 08:38:57
varying vec2 v_vTexcoord;
varying vec4 v_vColour;
uniform vec2 dimension;
uniform int axis;
uniform float iteration;
void main() {
vec2 tx = 1. / dimension;
vec4 col = texture2D( gm_BaseTexture, v_vTexcoord );
gl_FragColor = col;
if(col.a == 1.)
return;
float _min, _cmp;
vec2 _str, _axs;
if(axis == 0) {
_min = dimension.x;
_cmp = _min * v_vTexcoord.x;
_str = vec2(0., v_vTexcoord.y);
_axs = vec2(tx.x, 0.);
} else {
_min = dimension.y;
_cmp = _min * v_vTexcoord.y;
_str = vec2(v_vTexcoord.x, 0.);
_axs = vec2(0., tx.y);
}
for(float i = 1.; i < 2048.; i++) {
if(i > iteration) break;
vec2 sx = _str + _axs * i;
vec4 ss = texture2D( gm_BaseTexture, sx );
if(ss.a == 1. && abs(i - _cmp) < _min) {
_min = abs(i - _cmp);
col = ss;
}
}
gl_FragColor = col;
}