diff options
Diffstat (limited to 'source/blender/blenlib/BLI_math_geom.h')
| -rw-r--r-- | source/blender/blenlib/BLI_math_geom.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_math_geom.h b/source/blender/blenlib/BLI_math_geom.h index 4f7a3310ee6..91610ccfe5b 100644 --- a/source/blender/blenlib/BLI_math_geom.h +++ b/source/blender/blenlib/BLI_math_geom.h @@ -227,6 +227,8 @@ void fill_poly_v2i_n( /* tri or quad, d can be NULL */ void interp_weights_face_v3(float w[4], const float a[3], const float b[3], const float c[3], const float d[3], const float p[3]); +/* also returns three indices of the triangle actually used */ +void interp_weights_face_v3_index(int tri[3], float w[4], const float v1[3], const float v2[3], const float v3[3], const float v4[3], const float co[3]); void interp_weights_poly_v3(float w[], float v[][3], const int n, const float co[3]); void interp_weights_poly_v2(float w[], float v[][2], const int n, const float co[2]); @@ -259,6 +261,7 @@ void resolve_tri_uv_v3(float r_uv[2], const float st[3], const float st0[3], con void resolve_quad_uv_v2(float r_uv[2], const float st[2], const float st0[2], const float st1[2], const float st2[2], const float st3[2]); void resolve_quad_uv_v2_deriv(float r_uv[2], float r_deriv[2][2], const float st[2], const float st0[2], const float st1[2], const float st2[2], const float st3[2]); +float resolve_quad_u_v2(const float st[2], const float st0[2], const float st1[2], const float st2[2], const float st3[2]); /* use to find the point of a UV on a face */ void interp_bilinear_quad_v3(float data[4][3], float u, float v, float res[3]); |