diff options
Diffstat (limited to 'source/blender/blenlib/BLI_math_geom.h')
| -rw-r--r-- | source/blender/blenlib/BLI_math_geom.h | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/source/blender/blenlib/BLI_math_geom.h b/source/blender/blenlib/BLI_math_geom.h index 5d84de7531a..8d2f9ffa38b 100644 --- a/source/blender/blenlib/BLI_math_geom.h +++ b/source/blender/blenlib/BLI_math_geom.h @@ -1,4 +1,4 @@ -/** +/* * $Id$ * * ***** BEGIN GPL LICENSE BLOCK ***** @@ -25,8 +25,12 @@ * ***** END GPL LICENSE BLOCK ***** * */ -#ifndef BLI_MATH_GEOM -#define BLI_MATH_GEOM +#ifndef BLI_MATH_GEOM_H +#define BLI_MATH_GEOM_H + +/** \file BLI_math_geom.h + * \ingroup bli + */ #ifdef __cplusplus extern "C" { @@ -34,7 +38,7 @@ extern "C" { #include "BLI_math_inline.h" -#ifdef BLI_MATH_INLINE +#ifdef BLI_MATH_INLINE_H #include "intern/math_geom_inline.c" #endif @@ -58,7 +62,8 @@ float dist_to_line_v2(float p[2], float l1[2], float l2[2]); float dist_to_line_segment_v2(float p[2], float l1[2], float l2[2]); float dist_to_line_segment_v3(float p[3], float l1[3], float l2[3]); -float closest_to_line_v3(float r[3], float p[3], float l1[3], float l2[3]); +float closest_to_line_v3(float r[3], const float p[3], const float l1[3], const float l2[3]); +float closest_to_line_v2(float r[2], const float p[2], const float l1[2], const float l2[2]); void closest_to_line_segment_v3(float r[3], float p[3], float l1[3], float l2[3]); /******************************* Intersection ********************************/ @@ -71,8 +76,9 @@ void closest_to_line_segment_v3(float r[3], float p[3], float l1[3], float l2[3] #define ISECT_LINE_LINE_EXACT 1 #define ISECT_LINE_LINE_CROSS 2 -int isect_line_line_v2(float a1[2], float a2[2], float b1[2], float b2[2]); -int isect_line_line_v2_short(short a1[2], short a2[2], short b1[2], short b2[2]); +int isect_line_line_v2(const float a1[2], const float a2[2], const float b1[2], const float b2[2]); +int isect_line_line_v2_short(const short a1[2], const short a2[2], const short b1[2], const short b2[2]); +int isect_seg_seg_v2_point(const float *v1, const float *v2, const float *v3, const float *v4, float vi[2]); /* Returns the number of point of interests * 0 - lines are colinear @@ -96,7 +102,6 @@ int isect_ray_tri_epsilon_v3(float p1[3], float d[3], float v0[3], float v1[3], float v2[3], float *lambda, float *uv, float epsilon); /* point in polygon */ -int isect_point_tri_v2(float p[2], float a[2], float b[2], float c[2]); int isect_point_quad_v2(float p[2], float a[2], float b[2], float c[2], float d[2]); int isect_point_tri_v2(float v1[2], float v2[2], float v3[2], float pt[2]); @@ -119,6 +124,8 @@ int isect_aabb_aabb_v3(float min1[3], float max1[3], float min2[3], float max2[3 int clip_line_plane(float clipco[3], float plane[4], float co[3]); +void plot_line_v2v2i(int p1[2], int p2[2], int (*callback)(int, int, void *), void *userData); + /****************************** Interpolation ********************************/ /* tri or quad, d can be NULL */ @@ -149,6 +156,8 @@ void perspective_m4(float mat[4][4], float left, float right, float bottom, float top, float nearClip, float farClip); void orthographic_m4(float mat[4][4], float left, float right, float bottom, float top, float nearClip, float farClip); +void window_translate_m4(float winmat[][4], float perspmat[][4], + float x, float y); int box_clip_bounds_m4(float boundbox[2][3], float bounds[4], float winmat[4][4]); @@ -163,8 +172,8 @@ void map_to_sphere(float *u, float *v, float x, float y, float z); /********************************* Tangents **********************************/ typedef struct VertexTangent { - float tang[3], uv[2]; struct VertexTangent *next; + float tang[3], uv[2]; } VertexTangent; float *find_vertex_tangent(VertexTangent *vtang, float *uv); @@ -205,5 +214,5 @@ float form_factor_hemi_poly(float p[3], float n[3], } #endif -#endif /* BLI_MATH_GEOM */ +#endif /* BLI_MATH_GEOM_H */ |