SHADER_glitter "programs/glitter.frag" "Source" SHADER_glitter_ports "programs/glitter_ports.vert" SHADER_glitter_bbox "programs/glitter_bbox.vert" Isotropic float threshold 30 0 100 float brightness 30 0 100 float radius radius_ui 5.333333333 0 10000 float angle angle_ui 45 float halo 1 0 100