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Cycles FModifier - Repeat Mirrored now works for cycles before the start of the keyframe range

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Joshua Leung
2009-05-05 09:43:11 +00:00
parent 33322ad1ff
commit 42bc76511d
1 changed files with 8 additions and 2 deletions
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10
source/blender/blenkernel/intern/fcurve.c
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@@ -1774,8 +1774,14 @@ static float fcm_cycles_time (FCurve *fcu, FModifier *fcm, float cvalue, float e
/* calculate where in the cycle we are (overwrite evaltime to reflect this) */ /* calculate where in the cycle we are (overwrite evaltime to reflect this) */
if ((mode == FCM_EXTRAPOLATE_MIRROR) && ((int)(cycle) % 2)) { if ((mode == FCM_EXTRAPOLATE_MIRROR) && ((int)(cycle) % 2)) {
/* when 'mirror' option is used and cycle number is odd, this cycle is played in reverse */ /* when 'mirror' option is used and cycle number is odd, this cycle is played in reverse
evaltime= (float)(lastkey[0] - fmod(evaltime-ofs, cycdx)); * - for 'before' extrapolation, we need to flip in a different way, otherwise values past
* then end of the curve get referenced (result of fmod will be negative, and with different phase)
*/
if (side < 0)
evaltime= (float)(prevkey[0] - fmod(evaltime-ofs, cycdx));
else
evaltime= (float)(lastkey[0] - fmod(evaltime-ofs, cycdx));
} }
else { else {
/* the cycle is played normally... */ /* the cycle is played normally... */