[Bf-blender-cvs] [127ad4fa4a3] master: GPencil: Improve soft eraser for low pressure strokes

[Antonioya]

Commit: 127ad4fa4a3f7f1037c654288acbe32d4267fe9a
Author: Antonioya
Date:   Sat Mar 30 10:43:52 2019 +0100
Branches: master
https://developer.blender.org/rB127ad4fa4a3f7f1037c654288acbe32d4267fe9a

GPencil: Improve soft eraser for low pressure strokes

For very thin strokes with low pressure, the low limit value was too high.

===================================================================

M	source/blender/editors/gpencil/gpencil_paint.c

===================================================================

diff --git a/source/blender/editors/gpencil/gpencil_paint.c b/source/blender/editors/gpencil/gpencil_paint.c
index d9a58ddc5a6..4250b95de6d 100644
--- a/source/blender/editors/gpencil/gpencil_paint.c
+++ b/source/blender/editors/gpencil/gpencil_paint.c
@@ -1494,19 +1494,15 @@ static void gp_stroke_eraser_dostroke(tGPsdata *p,
 		}
 	}
 	else {
-		/* Pressure threshold at which stroke should be culled: Calculated as pressure value
-		 * below which we would have invisible strokes
-		 */
-		const float cull_thresh = (gps->thickness) ? 1.0f / ((float)gps->thickness) : 1.0f;
+		/* Pressure threshold at which stroke should be culled */
+		const float cull_thresh = 0.005f;
 
 		/* Amount to decrease the pressure of each point with each stroke */
-		// TODO: Fetch from toolsettings, or compute based on thickness instead?
 		const float strength = 0.1f;
 
 		/* Perform culling? */
 		bool do_cull = false;
 
-
 		/* Clear Tags
 		 *
 		 * Note: It's better this way, as we are sure that