import processing.core.PApplet;

public class Transition extends PApplet
{
    private PApplet applet;
    private int yOffsetOne;
    private int yOffsetTwo;
    private boolean transitionComplete = false;
    private boolean isFinished = false;

    public Transition(PApplet applet_){
        applet = applet_;
    }

    public void drawTransition(){
        applet.fill(0,0,0);
        applet.noStroke();
        applet.rect(0, -270 + yOffsetOne, 900, 270);
        applet.rect(0, 0 + yOffsetTwo, 900, 270);

        if (!transitionComplete)
            transitionStageOne();
        else if (transitionComplete)
            transitionStageTwo();

        //changing part, changes transitionComplete boolean
        if (yOffsetOne >= 270){
            transitionComplete = true;
        }
        // detect when stage 2 is complete
        if (transitionComplete && yOffsetOne <= 0){
            isFinished = true;
        }
    }

    public void transitionStageOne(){
        yOffsetOne++;
        yOffsetTwo = 500 - yOffsetOne;
    }

    public void transitionStageTwo(){
        yOffsetOne--;
        yOffsetTwo = 500 - yOffsetOne;
    }

    public boolean getStatus(){
        return transitionComplete;
    }

    public boolean getFinished(){
        return isFinished;
    }
}