fix for own error in intersect_line_sphere_2d(), using 3d function on 2d vectors

2 files changed, 2 insertions, 2 deletions

diff --git a/source/blender/blenlib/intern/math_geom.c b/source/blender/blenlib/intern/math_geom.c
index 9d945e9baa3..fc329fe1bf1 100644
--- a/source/blender/blenlib/intern/math_geom.c
+++ b/source/blender/blenlib/intern/math_geom.c
@@ -430,7 +430,7 @@ int isect_line_sphere_v2(const float l1[2], const float l2[2],
 	    l2[1] - l1[1]
 	};
 
-	const float a= dot_v3v3(ldir, ldir);
+	const float a= dot_v2v2(ldir, ldir);
 
 	const float b= 2.0f *
 	        (ldir[0] * (l1[0] - sp[0]) +
diff --git a/source/blender/python/generic/mathutils_geometry.c b/source/blender/python/generic/mathutils_geometry.c
index 55c1e69d558..26844a5003d 100644
--- a/source/blender/python/generic/mathutils_geometry.c
+++ b/source/blender/python/generic/mathutils_geometry.c
@@ -680,7 +680,7 @@ static PyObject *M_Geometry_intersect_line_sphere_2d(PyObject *UNUSED(self), PyO
 
 		PyObject *ret= PyTuple_New(2);
 
-		switch(isect_line_sphere_v3(line_a->vec, line_b->vec, sphere_co->vec, sphere_radius, isect_a, isect_b)) {
+		switch(isect_line_sphere_v2(line_a->vec, line_b->vec, sphere_co->vec, sphere_radius, isect_a, isect_b)) {
 		case 1:
 			if(!(!clip || (((lambda= line_point_factor_v2(isect_a, line_a->vec, line_b->vec)) >= 0.0f) && (lambda <= 1.0f)))) use_a= FALSE;
 			use_b= FALSE;