Commit: 530d81c240d04aeff1390d18994671879469169e
Author: Antonioya
Date: Tue Mar 19 13:44:24 2019 +0100
Branches: greasepencil-object
https://developer.blender.org/rB530d81c240d04aeff1390d18994671879469169e
GPencil: More changes in gradient calculation for points
===================================================================
M source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl
===================================================================
diff --git
a/source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl
b/source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl
index 833329a11ce..7a70fff189d 100644
--- a/source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl
+++ b/source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl
@@ -62,11 +62,18 @@ void main()
}
if (gradient_f < 1.0) {
- float in_rad = gradient_f / 4.0;
- float ex_rad = rad_squared - in_rad;
+
+ float dist = length(centered) * 2.0;
+ float ex = pow(dist, (-gradient_f * 2.0f));
+ float alpha = clamp(1.0 - abs((1.0f - ex) / 10.0f), 0.0f, 1.0f)
* ellip;
+ fragColor.a = clamp(smoothstep(fragColor.a, 0.0, alpha), 0.01,
1.0);
+
+
+ // float in_rad = gradient_f / 4.0;
+ // float ex_rad = rad_squared - in_rad;
- float alpha = clamp((dist_squared - in_rad) / ex_rad, 0.0, 1.0);
- fragColor.a = smoothstep(fragColor.a, 0.0, ellip);
+ // float alpha = clamp((dist_squared - in_rad) / ex_rad, 0.0,
1.0);
+ // fragColor.a = smoothstep(fragColor.a, 0.0, ellip);
}
if(fragColor.a < 0.0035)
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