[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [27725] trunk/blender/source/blender: - Use vector interpolation functions from math_vector module in
Sergey Sharybin
g.ulairi at gmail.com
Wed Mar 24 18:52:51 CET 2010
Revision: 27725
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=27725
Author: nazgul
Date: 2010-03-24 18:52:51 +0100 (Wed, 24 Mar 2010)
Log Message:
-----------
- Use vector interpolation functions from math_vector module in
curve subdivision operator.
- Added function interp_v4_v4v4().
Modified Paths:
--------------
trunk/blender/source/blender/blenlib/BLI_math_vector.h
trunk/blender/source/blender/blenlib/intern/math_vector.c
trunk/blender/source/blender/editors/curve/editcurve.c
Modified: trunk/blender/source/blender/blenlib/BLI_math_vector.h
===================================================================
--- trunk/blender/source/blender/blenlib/BLI_math_vector.h 2010-03-24 17:09:10 UTC (rev 27724)
+++ trunk/blender/source/blender/blenlib/BLI_math_vector.h 2010-03-24 17:52:51 UTC (rev 27725)
@@ -106,6 +106,7 @@
void interp_v3_v3v3(float r[3], const float a[3], const float b[3], const float t);
void interp_v3_v3v3v3(float p[3], const float v1[3], const float v2[3], const float v3[3], const float w[3]);
void interp_v3_v3v3v3v3(float p[3], const float v1[3], const float v2[3], const float v3[3], const float v4[3], const float w[4]);
+void interp_v4_v4v4(float r[4], const float a[4], const float b[4], const float t);
void mid_v3_v3v3(float r[3], float a[3], float b[3]);
Modified: trunk/blender/source/blender/blenlib/intern/math_vector.c
===================================================================
--- trunk/blender/source/blender/blenlib/intern/math_vector.c 2010-03-24 17:09:10 UTC (rev 27724)
+++ trunk/blender/source/blender/blenlib/intern/math_vector.c 2010-03-24 17:52:51 UTC (rev 27725)
@@ -55,6 +55,16 @@
target[2]= s*a[2] + t*b[2];
}
+void interp_v4_v4v4(float target[4], const float a[4], const float b[4], const float t)
+{
+ float s = 1.0f-t;
+
+ target[0]= s*a[0] + t*b[0];
+ target[1]= s*a[1] + t*b[1];
+ target[2]= s*a[2] + t*b[2];
+ target[3]= s*a[3] + t*b[3];
+}
+
/* weight 3 vectors,
* 'w' must be unit length but is not a vector, just 3 weights */
void interp_v3_v3v3v3(float p[3], const float v1[3], const float v2[3], const float v3[3], const float w[3])
Modified: trunk/blender/source/blender/editors/curve/editcurve.c
===================================================================
--- trunk/blender/source/blender/editors/curve/editcurve.c 2010-03-24 17:09:10 UTC (rev 27724)
+++ trunk/blender/source/blender/editors/curve/editcurve.c 2010-03-24 17:52:51 UTC (rev 27725)
@@ -1874,21 +1874,6 @@
* @param None
*/
-void subdivide_v3(float *v, float *v1, float *v2, float factor)
-{
- v[0]= v1[0] + factor*(v2[0] - v1[0]);
- v[1]= v1[1] + factor*(v2[1] - v1[1]);
- v[2]= v1[2] + factor*(v2[2] - v1[2]);
-}
-
-void subdivide_v4(float *v, float *v1, float *v2, float factor)
-{
- v[0]= v1[0] + factor*(v2[0] - v1[0]);
- v[1]= v1[1] + factor*(v2[1] - v1[1]);
- v[2]= v1[2] + factor*(v2[2] - v1[2]);
- v[3]= v1[3] + factor*(v2[3] - v1[3]);
-}
-
static void subdividenurb(Object *obedit, int number_cuts)
{
Curve *cu= obedit->data;
@@ -1957,18 +1942,18 @@
memcpy(beztn, bezt, sizeof(BezTriple));
/* midpoint subdividing */
- subdivide_v3(vec, prevvec[1], prevvec[2], factor);
- subdivide_v3(vec+3, prevvec[2], bezt->vec[0], factor);
- subdivide_v3(vec+6, bezt->vec[0], bezt->vec[1], factor);
+ interp_v3_v3v3(vec, prevvec[1], prevvec[2], factor);
+ interp_v3_v3v3(vec+3, prevvec[2], bezt->vec[0], factor);
+ interp_v3_v3v3(vec+6, bezt->vec[0], bezt->vec[1], factor);
- subdivide_v3(vec+9, vec, vec+3, factor);
- subdivide_v3(vec+12, vec+3, vec+6, factor);
+ interp_v3_v3v3(vec+9, vec, vec+3, factor);
+ interp_v3_v3v3(vec+12, vec+3, vec+6, factor);
/* change handle of prev beztn */
VECCOPY((beztn-1)->vec[2], vec);
/* new point */
VECCOPY(beztn->vec[0], vec+9);
- subdivide_v3(beztn->vec[1], vec+9, vec+12, factor);
+ interp_v3_v3v3(beztn->vec[1], vec+9, vec+12, factor);
VECCOPY(beztn->vec[2], vec+12);
/* handle of next bezt */
if(a==0 && (nu->flagu & CU_NURB_CYCLIC)) {VECCOPY(beztnew->vec[0], vec+6);}
@@ -2045,7 +2030,7 @@
factor = (float)(i + 1) / (number_cuts + 1);
memcpy(bpn, bp, sizeof(BPoint));
- subdivide_v4(bpn->vec, prevbp->vec, bp->vec, factor);
+ interp_v4_v4v4(bpn->vec, prevbp->vec, bp->vec, factor);
bpn++;
}
@@ -2147,7 +2132,7 @@
for (i = 0; i < number_cuts; i++) {
factor = (float)(i + 1) / (number_cuts + 1);
*bpn= *bp;
- subdivide_v4(bpn->vec, prevbp->vec, bp->vec, factor);
+ interp_v4_v4v4(bpn->vec, prevbp->vec, bp->vec, factor);
bpn++;
}
}
@@ -2165,7 +2150,7 @@
for (i = 0; i < number_cuts; i++) {
factor = (float)(i + 1) / (number_cuts + 1);
*tmp= *bp;
- subdivide_v4(tmp->vec, prevbp->vec, bp->vec, factor);
+ interp_v4_v4v4(tmp->vec, prevbp->vec, bp->vec, factor);
tmp += countu;
}
bp++;
@@ -2212,7 +2197,7 @@
node. (is it?)
*/
*bpn= *prevbp;
- subdivide_v4(bpn->vec, prevbp->vec, bp->vec, factor);
+ interp_v4_v4v4(bpn->vec, prevbp->vec, bp->vec, factor);
bpn++;
prevbp++;
@@ -2256,7 +2241,7 @@
factor = (float)(i + 1) / (number_cuts + 1);
prevbp= bp- 1;
*bpn= *prevbp;
- subdivide_v4(bpn->vec, prevbp->vec, bp->vec, factor);
+ interp_v4_v4v4(bpn->vec, prevbp->vec, bp->vec, factor);
bpn++;
}
}
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