moveobject.java

J2ME做的打砖块游戏,是学校的课程项目

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.util.Random;

public class MoveObject extends NormalObject
{
	public Image moveObject;
	public int type;

	public MoveObject(String path, int x, int y, float vx, float vy, int type)
	{
		super();
		try
		{
			moveObject = Image.createImage(path);
			this.x = x;
			this.y = y;
			this.cx = moveObject.getWidth();
			this.cy = moveObject.getHeight();
			this.vx = vx;
			this.vy = vy;
			this.type = type;

		}
		catch (Exception e)
		{
		}
	}

	public MoveObject(String path, int width,int height,int x, int y, float vx, float vy, int type)
	{
		super();
		try
		{
			moveObject = scale(Image.createImage(path), width, height);
			this.x = x;
			this.y = y;
			this.cx = moveObject.getWidth();
			this.cy = moveObject.getHeight();
			this.vx = vx;
			this.vy = vy;
			this.type = type;

		}
		catch (Exception e)
		{
		}
	}


	public static Image scale(Image src, int width, int height)
	{
		long start = System.currentTimeMillis();
		int scanline = src.getWidth();
		int srcw = src.getWidth();
		int srch = src.getHeight();
		int buf[] = new int[srcw*srch];
		src.getRGB(buf, 0, scanline, 0, 0, srcw, srch);
		int buf2[] = new int[width*height];
		for (int y = 0; y < height; y++)
		{
			int c1 = y * width;
			int c2 = (y * srch / height) * scanline;
			for (int x = 0; x < width; x++)
			{
				buf2[c1 + x] = buf[c2 + x * srcw / width];
			}
		}
		Image img = Image.createRGBImage(buf2, width, height, true);
		long end = System.currentTimeMillis();
		return img;
	}

	public void move()
	{
	}

	public void setPos(int x, int y)
	{
		this.x = x;
		this.y = y;
	}

	public void paint(Graphics graphics)
	{
		
			graphics.drawImage(moveObject, x, y, Graphics.TOP | Graphics.LEFT);

	}

}