code cleanup: use boolean for intersection functions.

1 files changed, 22 insertions, 22 deletions

diff --git a/source/blender/blenlib/BLI_math_geom.h b/source/blender/blenlib/BLI_math_geom.h
index 4ebb1a1a1d9..96652c0e78d 100644
--- a/source/blender/blenlib/BLI_math_geom.h
+++ b/source/blender/blenlib/BLI_math_geom.h
@@ -111,30 +111,30 @@ int isect_seg_seg_v2(const float v1[2], const float v2[2], const float v3[2], co
 int isect_line_line_v3(const float v1[3], const float v2[3],
                        const float v3[3], const float v4[3],
                        float i1[3], float i2[3]);
-int isect_line_line_strict_v3(const float v1[3], const float v2[3],
-                              const float v3[3], const float v4[3],
-                              float vi[3], float *r_lambda);
+bool isect_line_line_strict_v3(const float v1[3], const float v2[3],
+                               const float v3[3], const float v4[3],
+                               float vi[3], float *r_lambda);
 
-int isect_ray_plane_v3(const float p1[3], const float d[3],
-                       const float v0[3], const float v1[3], const float v2[3],
-                       float *r_lambda, const int clip);
+bool isect_ray_plane_v3(const float p1[3], const float d[3],
+                        const float v0[3], const float v1[3], const float v2[3],
+                        float *r_lambda, const int clip);
 
-int isect_line_plane_v3(float out[3], const float l1[3], const float l2[3],
-                        const float plane_co[3], const float plane_no[3], const bool no_flip);
+bool isect_line_plane_v3(float out[3], const float l1[3], const float l2[3],
+                         const float plane_co[3], const float plane_no[3], const bool no_flip);
 
 void isect_plane_plane_v3(float r_isect_co[3], float r_isect_no[3],
                           const float plane_a_co[3], const float plane_a_no[3],
                           const float plane_b_co[3], const float plane_b_no[3]);
 
 /* line/ray triangle */
-int isect_line_tri_v3(const float p1[3], const float p2[3],
+bool isect_line_tri_v3(const float p1[3], const float p2[3],
+                       const float v0[3], const float v1[3], const float v2[3], float *r_lambda, float r_uv[2]);
+bool isect_ray_tri_v3(const float p1[3], const float d[3],
                       const float v0[3], const float v1[3], const float v2[3], float *r_lambda, float r_uv[2]);
-int isect_ray_tri_v3(const float p1[3], const float d[3],
-                     const float v0[3], const float v1[3], const float v2[3], float *r_lambda, float r_uv[2]);
-int isect_ray_tri_threshold_v3(const float p1[3], const float d[3],
-                               const float v0[3], const float v1[3], const float v2[3], float *r_lambda, float r_uv[2], const float threshold);
-int isect_ray_tri_epsilon_v3(const float p1[3], const float d[3],
-                             const float v0[3], const float v1[3], const float v2[3], float *r_lambda, float r_uv[2], const float epsilon);
+bool isect_ray_tri_threshold_v3(const float p1[3], const float d[3],
+                                const float v0[3], const float v1[3], const float v2[3], float *r_lambda, float r_uv[2], const float threshold);
+bool isect_ray_tri_epsilon_v3(const float p1[3], const float d[3],
+                              const float v0[3], const float v1[3], const float v2[3], float *r_lambda, float r_uv[2], const float epsilon);
 
 /* point in polygon */
 bool isect_point_poly_v2(const float pt[2], const float verts[][2], const int nr);
@@ -145,14 +145,14 @@ int isect_point_quad_v2(const float p[2], const float a[2], const float b[2], co
 int isect_point_tri_v2(const float pt[2], const float v1[2], const float v2[2], const float v3[2]);
 int isect_point_tri_v2_cw(const float pt[2], const float v1[2], const float v2[2], const float v3[2]);
 int isect_point_tri_v2_int(const int x1, const int y1, const int x2, const int y2, const int a, const int b);
-int isect_point_tri_prism_v3(const float p[3], const float v1[3], const float v2[3], const float v3[3]);
+bool isect_point_tri_prism_v3(const float p[3], const float v1[3], const float v2[3], const float v3[3]);
 void isect_point_quad_uv_v2(const float v0[2], const float v1[2], const float v2[2], const float v3[2],
                             const float pt[2], float r_uv[2]);
 void isect_point_face_uv_v2(const int isquad, const float v0[2], const float v1[2], const float v2[2],
                             const float v3[2], const float pt[2], float r_uv[2]);
 
 /* axis-aligned bounding box */
-int isect_aabb_aabb_v3(const float min1[3], const float max1[3], const float min2[3], const float max2[3]);
+bool isect_aabb_aabb_v3(const float min1[3], const float max1[3], const float min2[3], const float max2[3]);
 
 typedef struct {
 	float ray_start[3];
@@ -161,14 +161,14 @@ typedef struct {
 } IsectRayAABBData;
 
 void isect_ray_aabb_initialize(IsectRayAABBData *data, const float ray_start[3], const float ray_direction[3]);
-int isect_ray_aabb(const IsectRayAABBData *data, const float bb_min[3], const float bb_max[3], float *tmin);
+bool isect_ray_aabb(const IsectRayAABBData *data, const float bb_min[3], const float bb_max[3], float *tmin);
 
 /* other */
-int isect_sweeping_sphere_tri_v3(const float p1[3], const float p2[3], const float radius,
-                                 const float v0[3], const float v1[3], const float v2[3], float *r_lambda, float ipoint[3]);
+bool isect_sweeping_sphere_tri_v3(const float p1[3], const float p2[3], const float radius,
+                                  const float v0[3], const float v1[3], const float v2[3], float *r_lambda, float ipoint[3]);
 
-int isect_axial_line_tri_v3(const int axis, const float co1[3], const float co2[3],
-                            const float v0[3], const float v1[3], const float v2[3], float *r_lambda);
+bool isect_axial_line_tri_v3(const int axis, const float co1[3], const float co2[3],
+                             const float v0[3], const float v1[3], const float v2[3], float *r_lambda);
 
 bool clip_segment_v3_plane(float p1[3], float p2[3], const float plane[4]);
 bool clip_segment_v3_plane_n(float p1[3], float p2[3], float plane_array[][4], const int plane_tot);