lighttroupe/luz

class ActorRectangleMesh < ActorShape
    title                "Rectangle Mesh"
    description "A rectangle with additional vertices, suitable for use with effects that warp vertices."

    cache_rendering

    setting 'density', :integer, :range => 2..100, :default => 5..100, :breaks_cache => true

    def shape
        shape = []
        d = density
        for y in (-d..d-1)
            for x in (-d..d)
                shape << x.to_f / (d * 2.0)
                shape << y.to_f / (d * 2.0)

                shape << (x).to_f / (d * 2.0)
                shape << (y+1).to_f / (d * 2.0)
            end
        end

        yield :type => :triangle_strip, :shape => shape
    end
end