import org.newdawn.slick.geom.Curve; //导入依赖的package包/类
/**
 * @see org.newdawn.slick.BasicGame#init(org.newdawn.slick.GameContainer)
 */
public void init(GameContainer container) throws SlickException {
	container.getGraphics().setBackground(Color.white);
	
	curve = new Curve(p2,c2,c1,p1);
	poly = new Polygon();
	poly.addPoint(500,200);
	poly.addPoint(600,200);
	poly.addPoint(700,300);
	poly.addPoint(400,300);
}