diff options
Diffstat (limited to 'source/blender/src/transform_snap.c')
-rw-r--r-- | source/blender/src/transform_snap.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/source/blender/src/transform_snap.c b/source/blender/src/transform_snap.c index c0f634a3f67..415787fb0f7 100644 --- a/source/blender/src/transform_snap.c +++ b/source/blender/src/transform_snap.c @@ -78,6 +78,7 @@ void setSnappingCallback(TransInfo *t); void ApplySnapTranslation(TransInfo *t, float vec[3]); void ApplySnapRotation(TransInfo *t, float *vec); +void ApplySnapResize(TransInfo *t, float *vec); void CalcSnapGrid(TransInfo *t, float *vec); void CalcSnapGeometry(TransInfo *t, float *vec); @@ -89,6 +90,7 @@ void TargetSnapActive(TransInfo *t); float RotationBetween(TransInfo *t, float p1[3], float p2[3]); float TranslationBetween(TransInfo *t, float p1[3], float p2[3]); +float ResizeBetween(TransInfo *t, float p1[3], float p2[3]); /* Modes */ #define NOT_SELECTED 0 @@ -303,6 +305,16 @@ void setSnappingCallback(TransInfo *t) t->tsnap.targetSnap = TargetSnapMedian; } break; + case TFM_RESIZE: + t->tsnap.applySnap = ApplySnapResize; + t->tsnap.distance = ResizeBetween; + + // Can't do TARGET_CENTER with resize, use TARGET_MEDIAN instead + if (G.scene->snap_target == SCE_SNAP_TARGET_CENTER) { + t->tsnap.modeTarget = SNAP_MEDIAN; + t->tsnap.targetSnap = TargetSnapMedian; + } + break; default: t->tsnap.applySnap = NULL; break; @@ -326,6 +338,15 @@ void ApplySnapRotation(TransInfo *t, float *vec) } } +void ApplySnapResize(TransInfo *t, float vec[3]) +{ + if (t->tsnap.modeTarget == SNAP_CLOSEST) { + vec[0] = vec[1] = vec[2] = t->tsnap.dist; + } + else { + vec[0] = vec[1] = vec[2] = ResizeBetween(t, t->tsnap.snapTarget, t->tsnap.snapPoint); + } +} /********************** DISTANCE **************************/ @@ -390,6 +411,29 @@ float RotationBetween(TransInfo *t, float p1[3], float p2[3]) return angle; } +float ResizeBetween(TransInfo *t, float p1[3], float p2[3]) +{ + float d1[3], d2[3], center[3]; + + VECCOPY(center, t->center); + if(t->flag & (T_EDIT|T_POSE)) { + Object *ob= G.obedit?G.obedit:t->poseobj; + Mat4MulVecfl(ob->obmat, center); + } + + VecSubf(d1, p1, center); + VecSubf(d2, p2, center); + + if (t->con.applyRot != NULL && (t->con.mode & CON_APPLY)) { + float tmp[3]; + + t->con.applyVec(t, NULL, d1, d1, tmp); + t->con.applyVec(t, NULL, d2, d2, tmp); + } + + return VecLength(d2) / VecLength(d1); +} + /********************** CALC **************************/ void CalcSnapGrid(TransInfo *t, float *vec) |