scene = Scene()
triangle = Polygon(scene)
triangle:addVertex(0, -100)
triangle:addVertex(-50, 50)
triangle:addVertex(Vector3(50, 50,0))
triangle.position = Vector3(300,300,0)
triangle:setColor(0.6, 0.2, 0.6, 1)
Engine.setCanvasSize(1000,480)
Engine.setScene(scene)