public void playScene(int sceneNumber) {
Scene scene = scenes.get(sceneNumber);
if (scene != null) {
scene.setupScene();
processScene(scene);
}
}
public void nextScene() {
if (currentSceneIndex < scenes.size() - 1) {
currentSceneIndex++;
Scene scene = scenes.get(currentSceneIndex);
scene.setupScene();
processScene(scene);
} else {
// do it accurately!
// may be I should add loopback mode?
// after the last scene there should be the first?
}
}
public void previousScene() {
if (currentSceneIndex > 0) {
currentSceneIndex--;
Scene scene = scenes.get(currentSceneIndex);
scene.setupScene();
processScene(scene);
} else {
// we try to think what to do
// some kind of exception or something?
// how would it be in the javascript?
}
}