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Make sure MMBlurSlope uses the sigma paramater the intended way.

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Relintai 2023-02-28 22:36:43 +01:00
parent e31f121035
commit a2006ca4af
1 changed files with 2 additions and 1 deletions
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modules/material_maker/nodes/filter/blur_slope.cpp
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@ -123,6 +123,7 @@ Color MMBlurSlope::slope_blur(const Vector2 &uv, const float psize) {
float v = sigma->get_value(uv);
float sx = sigma->get_value(uv + Vector2(dx, 0.0));
float sy = sigma->get_value(uv + Vector2(0.0, dx));
float sigma_orig = sigma->get_default_float();
Vector2 slope = Vector2(sx - v, sy - v);
float slope_strength = slope.length() * psize;
@ -130,7 +131,7 @@ Color MMBlurSlope::slope_blur(const Vector2 &uv, const float psize) {
Vector2 e = dx * norm_slope;
Color rv = Color();
float sum = 0.0;
float sigma = MAX(v * slope_strength, 0.0001);
float sigma = MAX(sigma_orig * slope_strength, 0.0001);
for (float i = 0.0; i <= 50.0; i += 1.0) {
float coef = exp(-0.5 * (pow(i / sigma, 2.0))) / (6.28318530718 * sigma * sigma);