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Diffstat (limited to 'source/blender/draw/intern/shaders/common_pointcloud_lib.glsl')
-rw-r--r--source/blender/draw/intern/shaders/common_pointcloud_lib.glsl13
1 files changed, 11 insertions, 2 deletions
diff --git a/source/blender/draw/intern/shaders/common_pointcloud_lib.glsl b/source/blender/draw/intern/shaders/common_pointcloud_lib.glsl
index 2da16d3f6a9..dd725ad327f 100644
--- a/source/blender/draw/intern/shaders/common_pointcloud_lib.glsl
+++ b/source/blender/draw/intern/shaders/common_pointcloud_lib.glsl
@@ -22,13 +22,22 @@ mat3 pointcloud_get_facing_matrix(vec3 p)
return facing_mat;
}
+/* Returns world center position and radius. */
+void pointcloud_get_pos_and_radius(out vec3 outpos, out float outradius)
+{
+ outpos = point_object_to_world(pos.xyz);
+ outradius = dot(abs(mat3(ModelMatrix) * pos.www), vec3(1.0 / 3.0));
+}
+
/* Return world position and normal. */
void pointcloud_get_pos_and_nor(out vec3 outpos, out vec3 outnor)
{
- vec3 p = point_object_to_world(pos.xyz);
+ vec3 p;
+ float radius;
+ pointcloud_get_pos_and_radius(p, radius);
+
mat3 facing_mat = pointcloud_get_facing_matrix(p);
- float radius = dot(abs(mat3(ModelMatrix) * pos.www), vec3(1.0 / 3.0));
/* TODO(fclem): remove multiplication here. Here only for keeping the size correct for now. */
radius *= 0.01;
outpos = p + (facing_mat * pos_inst) * radius;