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Curves: use radius of middle point to determine curve shape 

See {rBb69aad60bda23a53482b2c2ae98715c23a715bc8}
for more details.
This commit is contained in:
Jacques Lucke 2022-06-08 16:52:13 +02:00
parent cc1cc46099
commit 1a71f9d2b8
1 changed files with 7 additions and 0 deletions
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7
source/blender/draw/intern/draw_curves.cc
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@ -339,8 +339,15 @@ DRWShadingGroup *DRW_shgroup_curves_create_sub(Object *object,
blender::VArray<float> radii = curves_component.attribute_get_for_read(
"radius", ATTR_DOMAIN_POINT, 0.005f);
const blender::IndexRange first_curve_points = curves.points_for_curve(0);
const float first_radius = radii[first_curve_points.first()];
const float last_radius = radii[first_curve_points.last()];
const float middle_radius = radii[first_curve_points.size() / 2];
hair_rad_root = radii[first_curve_points.first()];
hair_rad_tip = radii[first_curve_points.last()];
hair_rad_shape = std::clamp(
safe_divide(middle_radius - first_radius, last_radius - first_radius) * 2.0f - 1.0f,
-1.0f,
1.0f);
}
DRW_shgroup_uniform_texture(shgrp, "hairPointBuffer", curves_cache->final[subdiv].proc_tex);