[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [20053] branches/blender2.5/blender/source /blender: Cycles F-Curve Modifier: 'Mirrored' Option
Joshua Leung
aligorith at gmail.com
Mon May 4 12:04:46 CEST 2009
Revision: 20053
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=20053
Author: aligorith
Date: 2009-05-04 12:04:46 +0200 (Mon, 04 May 2009)
Log Message:
-----------
Cycles F-Curve Modifier: 'Mirrored' Option
Using this cycling mode option, the keyframe range will be repeated in reverse order every second repeat. Thanks for the idea mfoxdogg :)
Modified Paths:
--------------
branches/blender2.5/blender/source/blender/blenkernel/intern/fcurve.c
branches/blender2.5/blender/source/blender/editors/space_graph/graph_buttons.c
branches/blender2.5/blender/source/blender/makesdna/DNA_anim_types.h
branches/blender2.5/blender/source/blender/makesrna/intern/rna_fcurve.c
Modified: branches/blender2.5/blender/source/blender/blenkernel/intern/fcurve.c
===================================================================
--- branches/blender2.5/blender/source/blender/blenkernel/intern/fcurve.c 2009-05-04 08:55:54 UTC (rev 20052)
+++ branches/blender2.5/blender/source/blender/blenkernel/intern/fcurve.c 2009-05-04 10:04:46 UTC (rev 20053)
@@ -1736,6 +1736,7 @@
/* find relative place within a cycle */
{
float cycdx=0, cycdy=0, ofs=0;
+ float cycle= 0;
/* ofs is start frame of cycle */
ofs= prevkey[0];
@@ -1748,13 +1749,16 @@
if (cycdx == 0)
return evaltime;
+ /* calculate the 'number' of the cycle */
+ cycle= ((float)side * (evaltime - ofs) / cycdx);
+
/* check that cyclic is still enabled for the specified time */
if (cycles == 0) {
/* catch this case so that we don't exit when we have cycles=0
* as this indicates infinite cycles...
*/
}
- else if ( ((float)side * (evaltime - ofs) / cycdx) > (cycles+1) ) {
+ else if (cycle > (cycles+1)) {
/* we are too far away from range to evaluate
* TODO: but we should still hold last value...
*/
@@ -1768,7 +1772,14 @@
}
/* calculate where in the cycle we are (overwrite evaltime to reflect this) */
- evaltime= (float)(fmod(evaltime-ofs, cycdx) + ofs);
+ if ((mode == FCM_EXTRAPOLATE_MIRROR) && ((int)(cycle) % 2)) {
+ /* when 'mirror' option is used and cycle number is odd, this cycle is played in reverse */
+ evaltime= (float)(lastkey[0] - fmod(evaltime-ofs, cycdx));
+ }
+ else {
+ /* the cycle is played normally... */
+ evaltime= (float)(fmod(evaltime-ofs, cycdx) + ofs);
+ }
if (evaltime < ofs) evaltime += cycdx;
}
Modified: branches/blender2.5/blender/source/blender/editors/space_graph/graph_buttons.c
===================================================================
--- branches/blender2.5/blender/source/blender/editors/space_graph/graph_buttons.c 2009-05-04 08:55:54 UTC (rev 20052)
+++ branches/blender2.5/blender/source/blender/editors/space_graph/graph_buttons.c 2009-05-04 10:04:46 UTC (rev 20053)
@@ -545,7 +545,7 @@
static void draw_modifier__cycles(uiBlock *block, FCurve *fcu, FModifier *fcm, int *yco, short *height, short width, short active, int rb_col)
{
FMod_Cycles *data= (FMod_Cycles *)fcm->data;
- char cyc_mode[]="Cycling Mode%t|No Cycles%x0|Repeat Motion%x1|Repeat with Offset%x2";
+ char cyc_mode[]="Cycling Mode%t|No Cycles%x0|Repeat Motion%x1|Repeat with Offset%x2|Repeat Mirrored%x3";
int cy= (*yco - 30), cy1= (*yco - 50), cy2= (*yco - 70);
/* set the height */
Modified: branches/blender2.5/blender/source/blender/makesdna/DNA_anim_types.h
===================================================================
--- branches/blender2.5/blender/source/blender/makesdna/DNA_anim_types.h 2009-05-04 08:55:54 UTC (rev 20052)
+++ branches/blender2.5/blender/source/blender/makesdna/DNA_anim_types.h 2009-05-04 10:04:46 UTC (rev 20053)
@@ -144,6 +144,7 @@
FCM_EXTRAPOLATE_NONE = 0, /* don't do anything */
FCM_EXTRAPOLATE_CYCLIC, /* repeat keyframe range as-is */
FCM_EXTRAPOLATE_CYCLIC_OFFSET, /* repeat keyframe range, but with offset based on gradient between values */
+ FCM_EXTRAPOLATE_MIRROR, /* alternate between forward and reverse playback of keyframe range */
} eFMod_Cycling_Modes;
Modified: branches/blender2.5/blender/source/blender/makesrna/intern/rna_fcurve.c
===================================================================
--- branches/blender2.5/blender/source/blender/makesrna/intern/rna_fcurve.c 2009-05-04 08:55:54 UTC (rev 20052)
+++ branches/blender2.5/blender/source/blender/makesrna/intern/rna_fcurve.c 2009-05-04 10:04:46 UTC (rev 20053)
@@ -325,9 +325,10 @@
PropertyRNA *prop;
static EnumPropertyItem prop_type_items[] = {
- {0, "NONE", "No Cycles", ""},
- {1, "REPEAT", "Repeat Motion", ""},
- {1, "REPEAT_OFFSET", "Repeat with Offset", ""},
+ {FCM_EXTRAPOLATE_NONE, "NONE", "No Cycles", "Don't do anything."},
+ {FCM_EXTRAPOLATE_CYCLIC, "REPEAT", "Repeat Motion", "Repeat keyframe range as-is."},
+ {FCM_EXTRAPOLATE_CYCLIC_OFFSET, "REPEAT_OFFSET", "Repeat with Offset", "Repeat keyframe range, but with offset based on gradient between values"},
+ {FCM_EXTRAPOLATE_MIRROR, "MIRROR", "Repeat Mirrored", "Alternate between forward and reverse playback of keyframe range"},
{0, NULL, NULL, NULL}};
srna= RNA_def_struct(brna, "FModifierCycles", "FModifier");
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