📄 microtanksprite.java
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import java.io.IOException;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
public class MicroTankSprite
extends Sprite {
private int mDirection;
private int mKX, mKY;
private int x,y;
private int delta3;
private int mLastDelta;
public static BulletsSprite bullets;
private static final int[] kTransformLookup = {
Sprite.TRANS_MIRROR_ROT270,Sprite.TRANS_MIRROR_ROT270,
Sprite.TRANS_ROT90,Sprite.TRANS_NONE, Sprite.TRANS_ROT180
};
public MicroTankSprite(Image image, int frameWidth, int frameHeight) {
super(image, frameWidth, frameHeight);
defineReferencePixel(frameWidth / 2, frameHeight / 2);
try{bullets=createBullets();
bullets.setVisible(false);
// MicroTankCanvas.mLayerManager.append(bullets);
}catch(IOException ioe){
}catch(Exception e){
}
}
public BulletsSprite createBullets() throws IOException {
Image image = Image.createImage("/bullets.png");
return new BulletsSprite(image,3,3);
}
public void forward(int delta,int delta2 ) {
if (delta2==1 )
{fineMove(delta,0);}
else if (delta2==2)
{fineMove(delta,0);}
else if (delta2==3)
{fineMove(0,delta);}
else if (delta2==4)
{fineMove(0,delta);}
setTransform(kTransformLookup[delta2]);
delta3=delta2;
mLastDelta = delta;
}
public void undo() {
forward(-mLastDelta,delta3 );
}
private void fineMove(int kx, int ky) {
x = getX();
y = getY();
x+=kx;
y+=ky;
if (y<0 || y>240)
{y-=ky;}
if (x<0 || x>232)
{x-=kx;}
setPosition(x, y);
}
}
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