@Override
public void nextFrame(StageGameState b) {
if (phase == 0 && character.play("raiseUp", b.tpf)) {
// allow to animate
character.animationLock = false;
phase++;
} else if (phase >= 1 && phase < numFires + 1 && frameCount % delay == 0) {
// determine spawn point
float a = FastMath.nextRandomFloat() * FastMath.PI * 2;
float p = FastMath.nextRandomFloat() * FastMath.PI * 2;
Vector3f translation =
new Vector3f(
radius * FastMath.sin(p) * FastMath.sin(a),
radius * FastMath.cos(p),
radius * FastMath.sin(p) * FastMath.cos(a));
Fire fire = (Fire) LoadingQueue.quickLoad(new Fire(getUsers()), b);
fire.setVelocity(translation.mult(.2f / (float) radius));
fire.model.setLocalTranslation(character.model.getLocalTranslation().add(translation));
b.getRootNode().updateRenderState();
phase++;
} else if (phase >= numFires + 1) {
finish();
}
}
/**
* Generate a random velocity within the parameters of max angle and the rotation matrix.
*
* @param pSpeed a vector to store the results in.
*/
protected Vector3f getRandomVelocity(Vector3f pSpeed) {
float randDir = FastMath.TWO_PI * FastMath.nextRandomFloat();
float randAngle = getRandomAngle();
if (pSpeed == null) pSpeed = new Vector3f();
pSpeed.x = FastMath.cos(randDir) * FastMath.sin(randAngle);
pSpeed.y = FastMath.cos(randAngle);
pSpeed.z = FastMath.sin(randDir) * FastMath.sin(randAngle);
rotateVectorSpeed(pSpeed);
pSpeed.multLocal(getInitialVelocity());
return pSpeed;
}
/**
* generate a random lifespan between the min and max lifespan of the particle system.
*
* @return the generated lifespan value
*/
public float getRandomLifeSpan() {
return getMinimumLifeTime()
+ ((getMaximumLifeTime() - getMinimumLifeTime()) * FastMath.nextRandomFloat());
}
/**
* Returns a random angle between the min and max angles.
*
* @return the random angle.
*/
public float getRandomAngle() {
return getMinimumAngle() + FastMath.nextRandomFloat() * (getMaximumAngle() - getMinimumAngle());
}