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Fix warnings in MarchingAntsOutline.gdshader

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This commit is contained in:
Emmanouil Papadeas 2024-07-31 05:06:18 +03:00
parent e686f114a8
commit df139ed645
1 changed files with 6 additions and 1 deletions
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7
src/Shaders/MarchingAntsOutline.gdshader
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@ -10,6 +10,11 @@ uniform float frequency = 50.0;
uniform float stripe_direction : hint_range(0, 1) = 0.5; uniform float stripe_direction : hint_range(0, 1) = 0.5;
bool is_zero_approx(float num) {
return num < 0.0001;
}
bool has_contrary_neighbour(vec2 uv, vec2 texture_pixel_size, sampler2D tex) { bool has_contrary_neighbour(vec2 uv, vec2 texture_pixel_size, sampler2D tex) {
float i = -ceil(width); float i = -ceil(width);
float j = ceil(width); float j = ceil(width);
@ -21,7 +26,7 @@ bool has_contrary_neighbour(vec2 uv, vec2 texture_pixel_size, sampler2D tex) {
vec2 xy1 = uv + texture_pixel_size * vec2(x1, y1); vec2 xy1 = uv + texture_pixel_size * vec2(x1, y1);
vec2 xy2 = uv + texture_pixel_size * vec2(x2, y2); vec2 xy2 = uv + texture_pixel_size * vec2(x2, y2);
if (xy1 != clamp(xy1, vec2(0.0), vec2(1.0)) || texture(tex, xy1).a == 0.0 || xy2 != clamp(xy2, vec2(0.0), vec2(1.0)) || texture(tex, xy2).a == 0.0) { if (xy1 != clamp(xy1, vec2(0.0), vec2(1.0)) || is_zero_approx(texture(tex, xy1).a) || xy2 != clamp(xy2, vec2(0.0), vec2(1.0)) || is_zero_approx(texture(tex, xy2).a)) {
return true; return true;
} }