API tools faq
paste
Guest User

Untitled

a guest
Feb 18th, 2018
71
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 9.46 KB | None | 0 0
raw download clone embed print report
  1. package pkg3dgraphics;
  2.  
  3. import javafx.scene.canvas.GraphicsContext;
  4. import javafx.scene.paint.Color;
  5.  
  6.  
  7. public class GameObject {
  8. protected String name;
  9. protected int xCoord,yCoord,mySizeX = 25,mySizeY = 25;
  10. public GameObject(){
  11.  
  12. }
  13. public GameObject(String newName, int startXCoord, int startYCoord){
  14. setName(newName);
  15. setX(startXCoord);
  16. setY(startYCoord);
  17. }
  18. public void SetSize(int X, int Y){
  19. mySizeX = X;
  20. mySizeY = Y;
  21. }
  22. public int getXsize(){
  23. return mySizeX;
  24. }
  25. public int getYsize(){
  26. return mySizeY;
  27. }
  28. public String getName(){
  29. return name;
  30. }
  31. public void setName(String newName){
  32. name = newName;
  33. }
  34. public int getX(){
  35. return xCoord;
  36. }
  37. public int getY(){
  38. return yCoord;
  39. }
  40. public void setX(int newXCoord){
  41. xCoord = newXCoord;
  42. }
  43.  
  44. public void setY(int newYCoord){
  45. yCoord = newYCoord;
  46. }
  47. public void moveTo(int X,int Y){
  48. xCoord = X;
  49. yCoord = Y;
  50. }
  51. public void moveBy(int X,int Y){
  52. xCoord +=X;
  53. yCoord +=Y;
  54. }
  55. public void Draw(GraphicsContext currentContext){
  56. currentContext.setFill(Color.GREEN);
  57. currentContext.setStroke(Color.BLUE);
  58. currentContext.fillOval(xCoord,yCoord, mySizeX,mySizeY );
  59.  
  60. }
  61. }
  62.  
  63. package pkg3dgraphics;
  64.  
  65.  
  66. public class Shooter extends GameObject {
  67. public Shooter(){
  68.  
  69. }
  70. public Shooter(String newName, int startXCoord, int startYCoord){
  71. setName(newName);
  72. setX(startXCoord);
  73. setY(startYCoord);
  74. }
  75. public Bullet shoot(String direction){
  76. Bullet newBullet = new Bullet(direction);
  77. return newBullet;
  78. }
  79.  
  80. }
  81.  
  82. package pkg3dgraphics;
  83.  
  84. import javafx.scene.paint.Color;
  85. import javafx.scene.canvas.GraphicsContext;
  86.  
  87. public class Bullet extends GameObject{
  88. String myDirection;
  89. protected int mySpeed = 5,mySizeX = 5,mySizeY = 5;
  90. boolean goNorth,goSouth,goWest,goEast;
  91. protected boolean active = false;
  92. public void setSpeed(int newSpeed){
  93. mySpeed = newSpeed;
  94. }
  95. public void setDirection(String newDirection){
  96. myDirection = newDirection;
  97. active = true;
  98. if ( myDirection == "North" )
  99. goNorth = true;
  100. if ( myDirection == "South" )
  101. goSouth = true;
  102. if ( myDirection == "West" )
  103. goWest = true;
  104. if ( myDirection == "East" )
  105. goEast = true;
  106. }
  107. Bullet(String direction ){
  108. myDirection = direction;
  109. active = true;
  110. if ( myDirection == "North" )
  111. goNorth = true;
  112. if ( myDirection == "South" )
  113. goSouth = true;
  114. if ( myDirection == "West" )
  115. goWest = true;
  116. if ( myDirection == "East" )
  117. goEast = true;
  118. }
  119.  
  120. public void advance(int W,int H,GraphicsContext gc){
  121. if (xCoord <= W && xCoord >= 0 && yCoord <= H && yCoord >= 0 ) {
  122. if (goNorth) moveBy(0,mySpeed);
  123. if (goSouth) moveBy(0,mySpeed);
  124. if (goWest) moveBy(mySpeed,0);
  125. if (goEast) moveBy(mySpeed,0);
  126. }else{
  127. active = false;
  128. Vanish(gc);
  129. goNorth = false;
  130. goSouth = false;
  131. goWest = false;
  132. goEast = false;
  133. }
  134. }
  135. public void Vanish(GraphicsContext gc){
  136. gc.setFill(Color.WHITE);
  137. }
  138. }
  139.  
  140. package pkg3dgraphics;
  141.  
  142. import java.util.Vector;
  143. import javafx.animation.AnimationTimer;
  144. import javafx.application.Application;
  145. import static javafx.application.Application.launch;
  146. import javafx.event.EventHandler;
  147. import javafx.scene.Group;
  148. import javafx.scene.Scene;
  149. import javafx.scene.canvas.Canvas;
  150. import javafx.scene.canvas.GraphicsContext;
  151. import static javafx.scene.input.KeyCode.DOWN;
  152. import static javafx.scene.input.KeyCode.LEFT;
  153. import static javafx.scene.input.KeyCode.RIGHT;
  154. import static javafx.scene.input.KeyCode.SHIFT;
  155. import static javafx.scene.input.KeyCode.UP;
  156. import javafx.scene.input.KeyEvent;
  157. import javafx.stage.Stage;
  158.  
  159.  
  160.  
  161.  
  162.  
  163.  
  164. public class Main extends Application {
  165. public static void main(String[] args) {
  166. launch(args);
  167. }
  168.  
  169.  
  170.  
  171. public int WINDOWWIDTH = 600;
  172. public int WINDOWHEIGHT = 400;
  173. boolean goNorth,goSouth,goWest,goEast,running,ShootNorth,ShootSouth,ShootWest,ShootEast;
  174. Shooter player = new Shooter("Player",WINDOWWIDTH/2,WINDOWHEIGHT/2);
  175. Bullet bullets[] = new Bullet[500];
  176. int bulletsSize = 0;
  177. Canvas mainCanvas = new Canvas(WINDOWWIDTH,WINDOWHEIGHT);
  178. GraphicsContext mainContext = mainCanvas.getGraphicsContext2D();
  179. @Override
  180. public void start(Stage primaryStage) {
  181. Group root = new Group();
  182. Canvas mainCanvas = new Canvas(WINDOWWIDTH,WINDOWHEIGHT);
  183. GraphicsContext mainContext = mainCanvas.getGraphicsContext2D();
  184. root.getChildren().add(mainCanvas);
  185.  
  186. Scene scene = new Scene(root,WINDOWWIDTH,WINDOWHEIGHT);
  187. scene.setOnKeyPressed(new EventHandler<KeyEvent> (){
  188. @Override
  189. public void handle(KeyEvent event){
  190. switch(event.getCode()){
  191. case UP: ShootNorth = true; break;
  192. case DOWN: ShootSouth = true; break;
  193. case LEFT: ShootWest = true; break;
  194. case RIGHT: ShootEast = true; break;
  195. case W: goNorth = true; break;
  196. case S: goSouth = true; break;
  197. case A: goWest = true; break;
  198. case D: goEast = true; break;
  199. }
  200. }
  201. });
  202. scene.setOnKeyReleased(new EventHandler <KeyEvent>(){
  203. @Override
  204. public void handle(KeyEvent event){
  205. switch(event.getCode()){
  206. case UP: ShootNorth = false; break;
  207. case DOWN: ShootSouth = false; break;
  208. case LEFT: ShootWest = false; break;
  209. case RIGHT: ShootEast = false; break;
  210. case W: goNorth = false; break;
  211. case S: goSouth = false; break;
  212. case A: goWest = false; break;
  213. case D: goEast = false; break;
  214.  
  215. }
  216. }
  217. });
  218. primaryStage.setScene(scene);
  219. primaryStage.show();
  220. AnimationTimer Timer = new AnimationTimer(){
  221. @Override
  222. public void handle (long now){
  223. int dx = 0, dy = 0;
  224. if (goNorth) dy = -1;
  225. if (goSouth) dy = 1;
  226. if (goWest) dx = -1;
  227. if (goEast) dx = 1;
  228. if (running) { dx *= 3; dy *= 3;}
  229. mainContext.clearRect(0,0,WINDOWWIDTH,WINDOWHEIGHT);
  230. player.moveBy(dx, dy);
  231. CheckShoot();
  232. player.Draw(mainContext);
  233.  
  234. }
  235.  
  236.  
  237. };
  238. Timer.start();
  239.  
  240.  
  241. }
  242.  
  243. public void CheckShoot(){
  244. String direction = null;
  245. int count = 0;
  246. if (ShootNorth)
  247. {
  248. direction = "North";
  249. }
  250. if (ShootSouth)
  251. {
  252. direction = "South";
  253. }
  254. if (ShootWest)
  255. {
  256. direction = "West";
  257. }
  258. if (ShootEast)
  259. {
  260. direction = "East";
  261. }
  262. for (int i = 0; i < bulletsSize; i ++ )
  263. {
  264. if (bullets[i].active = false ){
  265. bullets[i].setDirection(direction);
  266. bullets[i].moveTo(player.getX(),player.getY());
  267. break;
  268. }else count ++;
  269. }
  270. if ( count == bulletsSize ) {
  271. bulletsSize++;
  272. bullets[bulletsSize] = player.shoot(direction);
  273. }
  274.  
  275. }
  276.  
  277. public void advanceAll(){
  278. for (int i = 0; i < bulletsSize; i ++ )
  279. {
  280. bullets[i].advance(WINDOWWIDTH,WINDOWHEIGHT,mainContext);
  281. }
  282. }
  283.  
  284. }
  285.  
  286. Exception in thread "JavaFX Application Thread" java.lang.NullPointerException
  287. at pkg3dgraphics.Main.CheckShoot(Main.java:126)
  288. at pkg3dgraphics.Main$3.handle(Main.java:91)
  289. at javafx.animation.AnimationTimer$AnimationTimerReceiver.lambda$handle$483(AnimationTimer.java:57)
  290. at java.security.AccessController.doPrivileged(Native Method)
  291. at javafx.animation.AnimationTimer$AnimationTimerReceiver.handle(AnimationTimer.java:56)
  292. at com.sun.scenario.animation.AbstractMasterTimer.timePulseImpl(AbstractMasterTimer.java:357)
  293. at com.sun.scenario.animation.AbstractMasterTimer$MainLoop.run(AbstractMasterTimer.java:267)
  294. at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:506)
  295. at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:490)
  296. at com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$403(QuantumToolkit.java:319)
  297. at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
  298. at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
  299. at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
  300. at java.lang.Thread.run(Thread.java:748)
Add Comment
Please, Sign In to add comment
Public Pastes
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!