/**
* Updates the effect.
*
* @param g The Graphics component the particles are being drawn with.
* @return the new screenX and screenY shift values
*/
public static int[] update() {
double screenXShift = currentLevel.getScreenXShift();
double screenYShift = currentLevel.getScreenYShift();
long elapsedTime = elapsedTime();
screenXShift +=
(shakeValues[0]
* Math.sin(elapsedTime / shakeValues[1])
* Math.exp(shakeValues[2] * elapsedTime));
screenYShift +=
(shakeValues[3]
* Math.sin(elapsedTime / shakeValues[4])
* Math.exp(shakeValues[5] * elapsedTime));
for (int i = 0; i < particles.size(); i++) {
Particle p = particles.get(i);
for (Body bod : currentLevel.getBodies()) {
if (bod.intersects(p)
|| bod.getCenter().distanceSquared(p.getCenter())
<= (bod.getRadius() * .5) * (bod.getRadius() * .5)
&& i != 0) {
particles.remove(i);
i--;
}
}
for (Blockage blockage : currentLevel.getBlockages()) {
if (blockage.intersects(p.getCenter()) && i != 0) {
particles.remove(i);
i--;
}
}
for (GoalPost gp : currentLevel.getGoalPosts()) {
if (p.intersects(gp) && i != 0) {
particles.remove(i);
i--;
}
}
p.setVelocity(p.getVelocity().multiply(0.99));
p.move();
}
xShift = (int) screenXShift;
yShift = (int) screenYShift;
return new int[] {xShift, yShift};
}