?? carshape.java~5~
字號:
package com.bemjh.Shape;
import java.awt.Graphics;
/**
* <p>Title: MultiMoveableShape</p>
*
* <p>Description: MultiMoveable Shape</p>
*
* <p>Copyright: Copyright (c) 2006</p>
*
* <p>Company: bemjh</p>
*
* @author bemjh
* @version 1.0
*/
public class CarShape implements IMoveable {
// private variable
//the object's coordinate
private int x, y;
// the object 's size
private int size;
public CarShape() {
}
/**
* the construct function
* @param x the object's x coordinate
* @param y the object's y coordinate
* @param size the size of the object
*/
public CarShape(int x, int y, int size) {
this.x = x;
this.y = y;
this.size = size;
}
/**
* this function is to draw a graph
*
* @param g graphics object
* @todo Implement this com.bemjh.Shape.IMoveable method
*/
public void draw(Graphics g) {
g.fillOval(x,y,x+size,y+size);
g.drawRect(250-x,200-y,250-x+size,200-y+size);
}
/**
* the function traslate is to increase the x and y of the object
*
* @param dx x direction to crease
* @param dy y direction to crease
* @todo Implement this com.bemjh.Shape.IMoveable method
*/
public void translate(double dx, double dy) {
if(x>500)
x=0;
if(y>300)
y=0;
x+=dx;
y+=dy;
}
}
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