SpriteTest

package spritetest;

import java.util.ArrayList;
import java.util.Random;
import javafx.animation.AnimationTimer;
import javafx.application.Application;
import javafx.geometry.Rectangle2D;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.image.Image;
import javafx.stage.Stage;

/**
 *
 * @author Compsci
 */
public class SpriteTest extends Application {
   private boolean down = true;
   private boolean up = true;
   private boolean left = true;
   private boolean right = true;
    @Override
    public void start(Stage primaryStage) {
        Random random = new Random();
        Sprite briefcase = new Sprite();
        briefcase.setImage("file:/C:/Users/Compsci/Pictures/briefcase_sm.png");
        Group root = new Group();
        Scene theScene = new Scene(root);
        primaryStage.setScene(theScene);
        primaryStage.setTitle("First Sprite");
        Canvas canvas = new Canvas(512, 512);
        GraphicsContext gc = canvas.getGraphicsContext2D();
        briefcase.drawSprite(gc);
        ArrayList<Sprite> imageList = new ArrayList<>();
        Sprite moneybag;
        for (int i = 0; i < 10; i++){
            moneybag = new Sprite();
            moneybag.setImage("file:/C:/Users/Compsci/Pictures/moneybag_sm.png");
            moneybag.setPosition(random.nextInt(480), random.nextInt(480));
            imageList.add(moneybag);
            moneybag.drawSprite(gc);
        }
        root.getChildren().add(canvas);
        primaryStage.show();
        new AnimationTimer()
        {
            public void handle(long currentNanoTime)
            {
                gc.clearRect(0, 0, 512, 512);
                theScene.setOnKeyPressed(e->{
                    switch (e.getCode()){
                        case DOWN:
                            if(down)
                                briefcase.addVelocity(0, 200); down = false; break;
                        case UP:
                            if(up)
                                briefcase.addVelocity(0, -200); up = false; break;
                        case LEFT:
                            if(left)
                                briefcase.addVelocity(-200, 0); left = false; break;
                        case RIGHT:
                            if(right)
                                briefcase.addVelocity(200, 0); right = false; break;
                    }
                });
                theScene.setOnKeyReleased(e-> {
                    switch (e.getCode()){
                        case DOWN:
                            briefcase.addVelocity(0, -200); down = true; break;
                        case UP:
                            briefcase.addVelocity(0, 200); up = true; break;
                        case LEFT:
                            briefcase.addVelocity(200, 0); left = true; break;
                        case RIGHT:
                            briefcase.addVelocity(-200, 0); right = true; break;
                    }
                });

                for (Sprite moneybag: imageList)
                    moneybag.drawSprite(gc);

                briefcase.update(0.01);
                for (int i = 0; i <  imageList.size(); i++){
                    if (briefcase.intersect(imageList.get(i)))
                        imageList.remove(i);
                }
                briefcase.drawSprite(gc);

            }
        }.start();
    }






    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }

    class Sprite {
        private double velocityX;
        private double velocityY;
        private double positionX;
        private double positionY;
        private double width;
        private double height;
        private Image img;

        private void setImage(String path){
            img = new Image(path);
            width = img.getWidth();
            height = img.getHeight();
        }
        private void setPosition(double x, double y){
            positionX = x;
            positionY = y;
        }
        private void setVelocity(double x, double y){
            velocityX = x;
            velocityY = y;
        }
        private void addVelocity(double x, double y){
            velocityX += x;
            velocityY += y;
        }
        private void update(double time){
            positionX += velocityX * time;
            positionY += velocityY * time;
        }
        private Rectangle2D getBoundry(){
            return new Rectangle2D(positionX,positionY,width,height);
        }
        private boolean intersect(Sprite s){
            return s.getBoundry().intersects(this.getBoundry());
        }
        private void drawSprite(GraphicsContext gc){
            gc.drawImage(img,positionX,positionY);
        }
    }
}