public EditorSceneElement_EditGadgetInstance_Paintable(EditGadgetInstance g) : base(g)
{
brush_now_mesh = new NowMesh(
MeshExtensions.CreateCircleOutline(0.03f, 32),
MaterialExtensions.CreateUnlitColorMaterial(Color.black)
);
surface_now_mesh = new NowMesh(
MeshExtensions.CreateCenterQuad(),
MaterialExtensions.CreateUnlitTransparentTextureMaterial(null)
);
last_texture_point = new Vector2();
line_tool = new SurfaceTool_Line_Basic_Straight <Color>(0.1f);
}