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Fix T74617: Gpencil Sculpt Strength brush gets wonky results

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Changed how the strength is calculñated and reduce the factor to get a smoother result.
This commit is contained in:
Antonio Vazquez
2020-03-10 16:45:31 +01:00
parent 1619a5d8e9
commit be20bf2fc0
1 changed files with 5 additions and 17 deletions
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22
source/blender/editors/gpencil/gpencil_sculpt_paint.c
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@@ -405,27 +405,15 @@ static bool gp_brush_strength_apply(tGP_BrushEditData *gso,
bGPDspoint *pt = gps->points + pt_index;
float inf;
/* Compute strength of effect
* - We divide the strength, so that users can set "sane" values.
* Otherwise, good default values are in the range of 0.093
*/
inf = gp_brush_influence_calc(gso, radius, co) / 2.0f;
CLAMP_MIN(inf, 0.01f);
/* Compute strength of effect */
inf = gp_brush_influence_calc(gso, radius, co) * 0.125f;
/* apply */
/* Invert effect. */
if (gp_brush_invert_check(gso)) {
/* make line more transparent - reduce alpha factor */
pt->strength -= inf;
inf *= -1.0f;
}
else {
/* make line more opaque - increase stroke strength */
pt->strength += inf;
}
/* Strength should stay within [0.0, 1.0] */
CLAMP(pt->strength, 0.0f, 1.0f);
/* smooth the strength */
BKE_gpencil_stroke_smooth_strength(gps, pt_index, inf);
pt->strength = clamp_f(pt->strength + inf, 0.0f, 1.0f);
return true;
}