diff options
Diffstat (limited to 'source/blender/blenlib/BLI_arithb.h')
| -rw-r--r-- | source/blender/blenlib/BLI_arithb.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/source/blender/blenlib/BLI_arithb.h b/source/blender/blenlib/BLI_arithb.h index 32308f89a15..11a1fd277da 100644 --- a/source/blender/blenlib/BLI_arithb.h +++ b/source/blender/blenlib/BLI_arithb.h @@ -248,6 +248,7 @@ void VecMidf(float *v, float *v1, float *v2); void VecOrthoBasisf(float *v, float *v1, float *v2); float Vec2Lenf(float *v1, float *v2); +float Vec2Length(float *v); void Vec2Mulf(float *v1, float f); void Vec2Addf(float *v, float *v1, float *v2); void Vec2Subf(float *v, float *v1, float *v2); @@ -281,6 +282,11 @@ float AreaPoly3Dfl(int nr, float *verts, float *normal); extern short IsectLL2Df(float *v1, float *v2, float *v3, float *v4); extern short IsectLL2Ds(short *v1, short *v2, short *v3, short *v4); +/*point in tri, 0 no intersection, 1 intersect */ +int IsectPT2Df(float pt[2], float v1[2], float v2[2], float v3[2]); +/* point in quad, 0 no intersection, 1 intersect */ +int IsectPQ2Df(float pt[2], float v1[2], float v2[2], float v3[2], float v4[2]); + /* interpolation weights of point in a triangle or quad, v4 may be NULL */ void InterpWeightsQ3Dfl(float *v1, float *v2, float *v3, float *v4, float *co, float *w); /* interpolation weights of point in a polygon with >= 3 vertices */ @@ -358,7 +364,13 @@ void LocQuatSizeToMat4(float mat[][4], float loc[3], float quat[4], float size[3 void tubemap(float x, float y, float z, float *u, float *v); void spheremap(float x, float y, float z, float *u, float *v); -int LineIntersectsTriangle(float p1[3], float p2[3], float v0[3], float v1[3], float v2[3], float *lambda); +int LineIntersectsTriangle(float p1[3], float p2[3], float v0[3], float v1[3], float v2[3], float *lambda, float *uv); +int SweepingSphereIntersectsTriangleUV(float p1[3], float p2[3], float radius, float v0[3], float v1[3], float v2[3], float *lambda, float *ipoint); +int AxialLineIntersectsTriangle(int axis, float co1[3], float co2[3], float v0[3], float v1[3], float v2[3], float *lambda); +int AabbIntersectAabb(float min1[3], float max1[3], float min2[3], float max2[3]); +void VecfCubicInterpol(float *x1, float *v1, float *x2, float *v2, float t, float *x, float *v); +void PointInQuad2DUV(float v0[2], float v1[2], float v2[2], float v3[2], float pt[2], float *uv); +void PointInFace2DUV(int isquad, float v0[2], float v1[2], float v2[2], float v3[2], float pt[2], float *uv); int point_in_tri_prism(float p[3], float v1[3], float v2[3], float v3[3]); float lambda_cp_line_ex(float p[3], float l1[3], float l2[3], float cp[3]); |