// Transitions between states are controlled by events
@Override
public boolean onGameEvent(GameEvent event) {
switch (event.type) {
case TouchedText:
Log.d("Touched the text!");
startAnimation();
return true;
case AnimationStarted:
Log.d("AnimationStarted!");
return true;
case AnimationEnded:
Log.d("AnimationEnded!");
postUp(GameEvent.obtain(ResetStarted));
return true;
case ResetStarted:
Log.d("ResetStarted!");
reset();
state = WaitForTouch;
return true;
case GameEvent.SEQUENCE_END:
if (event.object == animation) endAnimation();
return true;
default:
return false;
}
}
// Choose the next animation sequence and start it
void startAnimation() {
Vec3 from = new Vec3();
Vec3 to = new Vec3();
int which = GameController.random.nextInt(6);
Log.d("Picking animation %d", which);
switch (which) {
case 0:
// Scale the text down to nothing
animation = textNode.animateScale(2f, 0, 1000);
break;
case 1:
// Scale the text up, and fade out at the same time
animation = GameSequence.Parallel.obtain();
animation.addNode(textNode.animateScale(1f, 5f, 1000));
animation.addNode(textNode.animateAlpha(1f, 0f, 1000));
break;
case 2:
// Rotate clockwise
animation = textNode.animateAngle(0f, 360f, 1000);
break;
case 3:
// Rotate counter-clockwise
animation = textNode.animateAngle(360f, 0f, 1000);
break;
case 4:
// Move the text to the top of the screen, and shrink it down
// Once it's there, pause for a bit
animation = GameSequence.Series.obtain();
GameSequence par = GameSequence.Parallel.obtain();
animation.addNode(par);
to.set(center.x, (renderContext.height - 30), 0);
par.addNode(textNode.animatePosition(to, 500));
par.addNode(textNode.animateScale(1f, 0.5f, 500));
GameSequence seq = GameSequence.obtain();
seq.duration = 500;
animation.addNode(seq);
break;
case 5:
// Shake side to side
animation = GameSequence.Series.obtain();
float offset = 30f;
to.set(center);
from.set(center);
to.x = center.x - offset;
animation.addNode(textNode.animatePosition(from, to, 50));
from.set(to);
to.x = center.x + offset;
animation.addNode(textNode.animatePosition(from, to, 70));
from.set(to);
to.x = center.x - offset;
animation.addNode(textNode.animatePosition(from, to, 70));
from.set(to);
to.x = center.x + offset;
animation.addNode(textNode.animatePosition(from, to, 70));
break;
}
// Make the animation a child of this node, so this node
// gets the notification. Initially the animation is added as
// a child of the TextNode (because of how the
// TextNode.animate*() shortcut methods are defined), but TextNode
// is a RenderNode and RenderNodes don't propogate events, so the
// notification would never get here.
addNode(animation);
postUp(GameEvent.obtain(AnimationStarted));
}