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Avoid expensive sqrt operation in hot loop of BitMap.grow_mask

This commit is contained in:
Luiz Fernando Silva 2024-09-11 18:51:38 -03:00
parent 2c136e6170
commit 293cc2126e
1 changed files with 3 additions and 2 deletions
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5
scene/resources/bit_map.cpp
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@ -559,6 +559,7 @@ void BitMap::grow_mask(int p_pixels, const Rect2i &p_rect) {
bool bit_value = p_pixels > 0;
p_pixels = Math::abs(p_pixels);
const int pixels2 = p_pixels * p_pixels;
Rect2i r = Rect2i(0, 0, width, height).intersection(p_rect);
@ -588,8 +589,8 @@ void BitMap::grow_mask(int p_pixels, const Rect2i &p_rect) {
}
}
float d = Point2(j, i).distance_to(Point2(x, y)) - CMP_EPSILON;
if (d > p_pixels) {
float d = Point2(j, i).distance_squared_to(Point2(x, y)) - CMP_EPSILON2;
if (d > pixels2) {
continue;
}