Fix T57529: 2D image paint fill tool not taking into account alpha.

1 files changed, 12 insertions, 13 deletions

diff --git a/source/blender/blenlib/intern/math_vector_inline.c b/source/blender/blenlib/intern/math_vector_inline.c
index 715e2e65c96..37eab44c6e8 100644
--- a/source/blender/blenlib/intern/math_vector_inline.c
+++ b/source/blender/blenlib/intern/math_vector_inline.c
@@ -1087,24 +1087,23 @@ MINLINE bool compare_v4v4_relative(const float v1[4], const float v2[4], const f
 
 MINLINE bool compare_len_v3v3(const float v1[3], const float v2[3], const float limit)
 {
-	float x, y, z;
-
-	x = v1[0] - v2[0];
-	y = v1[1] - v2[1];
-	z = v1[2] - v2[2];
-
-	return ((x * x + y * y + z * z) <= (limit * limit));
+	float d[3];
+	sub_v3_v3v3(d, v1, v2);
+	return (dot_v3v3(d, d) <= (limit * limit));
 }
 
 MINLINE bool compare_len_squared_v3v3(const float v1[3], const float v2[3], const float limit_sq)
 {
-	float x, y, z;
-
-	x = v1[0] - v2[0];
-	y = v1[1] - v2[1];
-	z = v1[2] - v2[2];
+	float d[3];
+	sub_v3_v3v3(d, v1, v2);
+	return (dot_v3v3(d, d) <= limit_sq);
+}
 
-	return ((x * x + y * y + z * z) <= limit_sq);
+MINLINE bool compare_len_squared_v4v4(const float v1[4], const float v2[4], const float limit_sq)
+{
+	float d[4];
+	sub_v4_v4v4(d, v1, v2);
+	return (dot_v4v4(d, d) <= limit_sq);
 }
 
 /**