diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_curve.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_curve.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/source/blender/blenkernel/BKE_curve.h b/source/blender/blenkernel/BKE_curve.h index 60444675047..25d6d78c4aa 100644 --- a/source/blender/blenkernel/BKE_curve.h +++ b/source/blender/blenkernel/BKE_curve.h @@ -39,9 +39,12 @@ struct ListBase; struct BezTriple; struct BevList; -#define KNOTSU(nu) ( (nu)->orderu+ (nu)->pntsu+ (nu->orderu-1)*((nu)->flagu & 1) ) -#define KNOTSV(nu) ( (nu)->orderv+ (nu)->pntsv+ (nu->orderv-1)*((nu)->flagv & 1) ) +#define KNOTSU(nu) ( (nu)->orderu+ (nu)->pntsu+ (((nu)->flagu & CU_CYCLIC) ? (nu->orderu-1) : 0) ) +#define KNOTSV(nu) ( (nu)->orderv+ (nu)->pntsv+ (((nu)->flagv & CU_CYCLIC) ? (nu->orderv-1) : 0) ) +/* Non cyclic nurbs have 1 less segment */ +#define SEGMENTSU(nu) ( ((nu)->flagu & CU_CYCLIC) ? (nu)->pntsu : (nu)->pntsu-1 ) +#define SEGMENTSV(nu) ( ((nu)->flagv & CU_CYCLIC) ? (nu)->pntsv : (nu)->pntsv-1 ) void unlink_curve( struct Curve *cu); void free_curve( struct Curve *cu); @@ -62,15 +65,14 @@ void minmaxNurb( struct Nurb *nu, float *min, float *max); void makeknots( struct Nurb *nu, short uv, short type); -void makeNurbfaces( struct Nurb *nu, float *data, int rowstride); -void makeNurbcurve( struct Nurb *nu, float *data, int resolu, int dim); +void makeNurbfaces(struct Nurb *nu, float *coord_array, int rowstride); +void makeNurbcurve(struct Nurb *nu, float *coord_array, float *tilt_array, float *radius_array, int resolu); void forward_diff_bezier(float q0, float q1, float q2, float q3, float *p, int it, int stride); float *make_orco_curve( struct Object *ob); float *make_orco_surf( struct Object *ob); void makebevelcurve( struct Object *ob, struct ListBase *disp); void makeBevelList( struct Object *ob); -float calc_curve_subdiv_radius( struct Curve *cu, struct Nurb *nu, int cursubdiv); void calchandleNurb( struct BezTriple *bezt, struct BezTriple *prev, struct BezTriple *next, int mode); void calchandlesNurb( struct Nurb *nu); @@ -84,5 +86,12 @@ void switchdirectionNurb( struct Nurb *nu); float (*curve_getVertexCos(struct Curve *cu, struct ListBase *lb, int *numVerts_r))[3]; void curve_applyVertexCos(struct Curve *cu, struct ListBase *lb, float (*vertexCos)[3]); +/* nurb checks if they can be drawn, also clamp order func */ +int check_valid_nurb_u( struct Nurb *nu); +int check_valid_nurb_v( struct Nurb *nu); + +int clamp_nurb_order_u( struct Nurb *nu); +int clamp_nurb_order_v( struct Nurb *nu); + #endif |