.afpdeleted2413935

来自「书籍"Java_面向事件编程"的附带光盘代码」· AFPDELETED2413935 代码 · 共 30 行

import java.awt.Color;

import objectdraw.DrawingCanvas;
import objectdraw.FilledOval;

// FallingSleet class

public class FallingSleet extends FallingObject {

	// size of a sleet pellet
	private static final int SLEET_SIZE = 10;

	// color for sleet
	private static final Color SLEET_COLOR = new Color(220, 220, 255);

	// initialize the instance variables and start the active object
	public FallingSleet(DrawingCanvas canvas, double x, 
	                    double aSpeed, int aScreenHeight) {

		// first, call the constructor of the FallingObject class
		super(aScreenHeight, aSpeed);

		// create our sleet pellet
		object = new FilledOval(x, -SLEET_SIZE, SLEET_SIZE, SLEET_SIZE, canvas);
		object.setColor(SLEET_COLOR);

		start();
	}
}