diff options
Diffstat (limited to 'source/blender/editors/space_nla/nla_draw.c')
| -rw-r--r-- | source/blender/editors/space_nla/nla_draw.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/source/blender/editors/space_nla/nla_draw.c b/source/blender/editors/space_nla/nla_draw.c index 5b3c062e16d..d33b84f76c0 100644 --- a/source/blender/editors/space_nla/nla_draw.c +++ b/source/blender/editors/space_nla/nla_draw.c @@ -285,15 +285,20 @@ static void nla_draw_strip_curves(NlaStrip *strip, float yminc, float ymaxc) float cfra; /* plot the curve (over the strip's main region) */ - glBegin(GL_LINE_STRIP); - /* sample at 1 frame intervals, and draw - * - min y-val is yminc, max is y-maxc, so clamp in those regions - */ - for (cfra = strip->start; cfra <= strip->end; cfra += 1.0f) { - float y = evaluate_fcurve(fcu, cfra); // assume this to be in 0-1 range - glVertex2f(cfra, ((y * yheight) + yminc)); + if (fcu) { + glBegin(GL_LINE_STRIP); + + /* sample at 1 frame intervals, and draw + * - min y-val is yminc, max is y-maxc, so clamp in those regions + */ + for (cfra = strip->start; cfra <= strip->end; cfra += 1.0f) { + float y = evaluate_fcurve(fcu, cfra); + CLAMP(y, 0.0f, 1.0f); + glVertex2f(cfra, ((y * yheight) + yminc)); + } + + glEnd(); // GL_LINE_STRIP } - glEnd(); // GL_LINE_STRIP } else { /* use blend in/out values only if both aren't zero */ @@ -361,7 +366,7 @@ static void nla_draw_strip(SpaceNla *snla, AnimData *adt, NlaTrack *nlt, NlaStri glVertex2f(strip->start, yminc); glEnd(); } - /* fall-through */ + ATTR_FALLTHROUGH; /* this only draws after the strip */ case NLASTRIP_EXTEND_HOLD_FORWARD: |