Function drawOnce

packages/melonjs/tests/sprite.spec.js:514–518

()

				currentNormalMap: null,
			};
			const drawOnce = () => {
				s.preDraw(stub);
				s.draw(stub);
				s.postDraw(stub);
			};

			drawOnce(); // frame 0 → sx 0
			s.update(100);