/**
* Detects and handles touch events from the user.
*
* @param MotionEvent event
* @return boolean
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
int eventAction = event.getAction();
switch (eventAction) {
case MotionEvent.ACTION_DOWN:
if (mGameState == STATE_RUNNING) {
final int x = (int) event.getX();
final int y = (int) event.getY();
if (mCtrlUpArrow.getImpact(x, y)) {
Log.d("Tile Game Example", "Pressed up arrow");
mLastStatusMessage = "Moving up";
mPlayerVerticalDirection = DIRECTION_UP;
mPlayerMoving = true;
} else if (mCtrlDownArrow.getImpact(x, y)) {
Log.d("Tile Game Example", "Pressed down arrow");
mLastStatusMessage = "Moving down";
mPlayerVerticalDirection = DIRECTION_DOWN;
mPlayerMoving = true;
} else if (mCtrlLeftArrow.getImpact(x, y)) {
Log.d("Tile Game Example", "Pressed left arrow");
mLastStatusMessage = "Moving left";
mPlayerHorizontalDirection = DIRECTION_LEFT;
mPlayerMoving = true;
} else if (mCtrlRightArrow.getImpact(x, y)) {
Log.d("Tile Game Example", "Pressed right arrow");
mLastStatusMessage = "Moving right";
mPlayerHorizontalDirection = DIRECTION_RIGHT;
mPlayerMoving = true;
}
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mPlayerMoving = false;
mPlayerVerticalDirection = 0;
mPlayerHorizontalDirection = 0;
break;
}
return true;
}
/** Initializes and sets the on-screen position of the game controls. */
private void setControlsStart() {
if (mCtrlDownArrow == null) {
mCtrlDownArrow = new GameUi(mGameContext, R.drawable.ctrl_down_arrow);
mCtrlDownArrow.setX(
mScreenXMax
- ((mCtrlDownArrow.getWidth() * 2) + getPixelValueForDensity(CONTROLS_PADDING)));
mCtrlDownArrow.setY(
mScreenYMax - (mCtrlDownArrow.getHeight() + getPixelValueForDensity(CONTROLS_PADDING)));
}
if (mCtrlUpArrow == null) {
mCtrlUpArrow = new GameUi(mGameContext, R.drawable.ctrl_up_arrow);
mCtrlUpArrow.setX(mCtrlDownArrow.getX());
mCtrlUpArrow.setY(mCtrlDownArrow.getY() - (mCtrlUpArrow.getHeight() * 2));
}
if (mCtrlLeftArrow == null) {
mCtrlLeftArrow = new GameUi(mGameContext, R.drawable.ctrl_left_arrow);
mCtrlLeftArrow.setX(mCtrlDownArrow.getX() - mCtrlLeftArrow.getWidth());
mCtrlLeftArrow.setY(mCtrlDownArrow.getY() - mCtrlLeftArrow.getHeight());
}
if (mCtrlRightArrow == null) {
mCtrlRightArrow = new GameUi(mGameContext, R.drawable.ctrl_right_arrow);
mCtrlRightArrow.setX(
mScreenXMax - (mCtrlLeftArrow.getWidth() + getPixelValueForDensity(CONTROLS_PADDING)));
mCtrlRightArrow.setY(mCtrlLeftArrow.getY());
}
}
