package edu.umd.cs.piccolo.tutorial;

import java.awt.Color;

import edu.umd.cs.piccolo.*;
import edu.umd.cs.piccolo.activities.*;
import edu.umd.cs.piccolo.nodes.*;
import edu.umd.cs.piccolox.*;

public class SpecialEffects extends PFrame {
	public void initialize() {
		// Create the Target for our Activities.

		// Create a new node that we will apply different activities to, and
		// place that node at location 200, 200.
		final PNode aNode = PPath.createRectangle(0, 0, 100, 80);
		PLayer layer = getCanvas().getLayer();
		layer.addChild(aNode);
		aNode.setOffset(200, 200);
		
		// Extend PActivity.

		// Store the current time in milliseconds for use below.
		long currentTime = System.currentTimeMillis();

		// Create a new custom "flash" activity. This activity will start running in
		// five seconds, and while it runs it will flash aNode's paint between
		// red and green every half second.
		PActivity flash = new PActivity(-1, 500, currentTime + 5000) {
			boolean fRed = true;
			
			protected void activityStep(long elapsedTime) {
				super.activityStep(elapsedTime);
				
				// Toggle the target node's brush color between red and green
				// each time the activity steps.
				if (fRed) {
					aNode.setPaint(Color.red);
				} else {
					aNode.setPaint(Color.green);
				}		
				
				fRed = !fRed;
			}
		};
		
		// Schedule the activity.
		getCanvas().getRoot().addActivity(flash);
		
		// Create three activities that animate the node's position. Since our node
		// already descends from the root node the animate methods will automatically
		// schedule these activities for us.
		PActivity a1 = aNode.animateToPositionScaleRotation(0, 0, 0.5, 0, 5000);
		PActivity a2 = aNode.animateToPositionScaleRotation(100, 0, 1.5, Math.toRadians(110), 5000);
		PActivity a3 = aNode.animateToPositionScaleRotation(200, 100, 1, 0, 5000);

		// The animate activities will start immediately (in the next call to
		// PRoot.processInputs) by default. Here we set their start times (in PRoot
		// global time) so that they start when the previous one has finished.
		a1.setStartTime(currentTime);
		a2.startAfter(a1);
		a3.startAfter(a2);
		
		a1.setDelegate(new PActivity.PActivityDelegate() {
			public void activityStarted(PActivity activity) {
				System.out.println("a1 started");
			}
			public void activityStepped(PActivity activity) {}
			public void activityFinished(PActivity activity) {
				System.out.println("a1 finished");
			}
		});
	}

	public static void main(String[] args) {
		new SpecialEffects();
	}
}