import javafx.application.Application;

import javafx.stage.Stage;

import javafx.scene.Scene;

import javafx.scene.Group;

import javafx.scene.canvas.Canvas;

import javafx.scene.canvas.GraphicsContext;

import javafx.scene.image.Image;

import javafx.animation.AnimationTimer;

import java.io.IOException;

import java.io.File;

// Animation of Orc walking

public class Animation extends Application {

final int canvasCount = 10;

int picInd = 0;

double xloc = 0;

double yloc = 0;

final double xIncr = 8;

final double yIncr = 2;

final static int canvasWidth = 500;

final static int canvasHeight = 300;

final static int imgWidth = 165;

final static int imgHeight = 165;

// TODO: Change the code so that at least eight orc animation pngs are loaded

public static void main(String[] args) {

launch(args);

}

@Override

public void start(Stage theStage) {

theStage.setTitle("Orc");

Group root = new Group();

Scene theScene = new Scene(root);

theStage.setScene(theScene);

Canvas canvas = new Canvas(canvasWidth, canvasHeight);

root.getChildren().add(canvas);

GraphicsContext gc = canvas.getGraphicsContext2D();

Image orc_img = createImage();

final long startNanoTime = System.nanoTime();

new AnimationTimer() {

public void handle(long currentNanoTime)

{

double t = (currentNanoTime - startNanoTime) / 1e9;

xloc += xIncr;

yloc += yIncr;

// Clear the canvas

gc.clearRect(0, 0, canvasWidth, canvasHeight);

// draw the subimage from the original png to animate the orc's motion

gc.drawImage(orc_img, imgWidth*picInd, 0, imgWidth, imgHeight,

xloc, yloc, imgWidth, imgHeight);

picInd = (picInd + 1) % canvasCount;

try {

Thread.sleep(100);

} catch (InterruptedException e) {

e.printStackTrace();

}

// TODO: Keep the orc from walking off-screen, turn around when bouncing off walls.

//Be sure that animation picture direction matches what is happening on screen.

}

}.start();

theStage.show();

}