public Sprite(Bound bound, int bmp, float x, float y, int fps, String type, Resources res)
throws GameException {
this.bitmap = BitmapCache.getInstance().getBitmapFromCache(res, bmp);
this.normalBitmap = bitmap;
this.x = x;
this.y = y;
this.bound = bound;
if (bound != null) {
x = (bound.inBoundX(getX(), getWidth()));
y = (bound.inBoundY(getY(), getHeight()));
}
this.framePeriod = 1000 / fps;
this.frameTicker = 0l;
// probably should get set by constructor I guess
targetX = 0;
targetY = 0;
state = SPRITE_STATE.STOPPED;
this.type = type;
// create the flipped bitmap
this.flipBitmap = BitmapCache.getInstance().getFlipBitmapFromCache(res, bmp);
}
/**
* Move toward a specific angle
*
* @param angle
* @param gameTime
* @param speed
* @param override
* @param axis
*/
public void moveTowardAngle(
double angle, long gameTime, float speed, boolean override, MOVEMENT_AXIS axis) {
state = SPRITE_STATE.MOVING;
/* this means that the motion should increment
* every cetain number of frames, not every
* time the method is called. This is because
* this method could be called faster or
* slower than the requires FPS.
*
* This check can be overridden, but be careful!
*/
if ((gameTime > frameTicker + framePeriod) || override) {
frameTicker = gameTime;
float difX = speed * (float) Math.cos(angle);
float difY = speed * (float) Math.sin(angle);
// if axis is specified, move only on that axis
if (MOVEMENT_AXIS.X.equals(axis)) {
x += -difX;
} else if (MOVEMENT_AXIS.Y.equals(axis)) {
y += -difY;
} else {
x += -difX;
y += -difY;
}
/* don't move past bounds. if we are
* passed the bound, then move axis to
* the edge of the bound
*/
if (bound != null) {
x = (bound.inBoundX(getX(), getWidth()));
y = (bound.inBoundY(getY(), getHeight()));
}
}
}