View difference between Paste ID: Kz8J3Q6t and Vd1T7FJH

 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);
-        ArrayList<Sprite> imageList = new ArrayList<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);
-        theScene.setOnKeyPressed(e->{
+
-            if (e.getCode().equals(e.getCode().DOWN)){
+
-                gc.clearRect(0,0,512, 512);
+
-                for (int i = 0; i < 10; i++){
+
-                    imageList.get(i).drawSprite(gc);
+        new AnimationTimer()
         {
-                briefcase.addVelocity(0, 10);
+            public void handle(long currentNanoTime)
-                briefcase.update(1);
+            {
                 gc.clearRect(0, 0, 512, 512);
-                briefcase.setVelocity(0, 0);
+                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);
         }
     }
 }