I'm trying to make a 2D game without a game engine, how do I make my
character go left and right by swipping?
Here's my code:
public class Game extends SurfaceView implements SurfaceHolder.Callback {
private Background bg;
private Gameloop thread;
public static final int MOVESPEED = -3;
public static final int WIDTH = 225;
public static final int HEIGHT = 225;
private Deer deer;
public Game(Context context) {
super(context);
getHolder().addCallback(this);
thread = new Gameloop(getHolder(), this);
setFocusable(true);
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int
height){
}
@Override
public void surfaceDestroyed(SurfaceHolder holder){
boolean retry = true;
while(retry) {
try {
thread.setRunning(false);
thread.join();
}catch(InterruptedException e) {
e.printStackTrace();
}
retry = false;
}
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
bg = new Background(BitmapFactory.decodeResource(getResources(),
R.drawable.gamebg));
deer = new Deer(BitmapFactory.decodeResource(getResources(),
R.drawable.deers),38,65,3);
thread.setRunning(true);
thread.start();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
return super.onTouchEvent(event);
}
public void update() {
bg.update();
}
@SuppressLint("MissingSupercall")
@Override
public void draw(Canvas canvas) {
final float scaleFactorX = getWidth()/(WIDTH*1.f);
final float scaleFactorY = getHeight()/(HEIGHT*1.f);
if(canvas!=null) {
final int savedState = canvas.save();
canvas.scale(scaleFactorX, scaleFactorY);
bg.draw(canvas);
deer.draw(canvas);
canvas.restoreToCount(savedState);
}
}
}
<https://lh3.googleusercontent.com/-p9_kQlv3L64/V775l9RZtmI/AAAAAAAAABI/t8AdTpOhUCwUfdCJshn8WY2JenVY6ZBSgCLcB/s1600/Screenshot_2016-08-25-22-27-11.png>
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