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Full directional movement of player in cocos2D tilemap

/ Published in: Objective C
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  1. -(void) ccTouchEnded:(UITouch *)touch withEvent:(UIEvent *)event
  2. {
  3.  
  4. 	BOOL moveX, moveY = NO;
  5.  
  6.     CGPoint touchLocation = [touch locationInView: [touch view]];		
  7.     touchLocation = [[CCDirector sharedDirector] convertToGL: touchLocation];
  8.     touchLocation = [self convertToNodeSpace:touchLocation];
  9.  
  10.     CGPoint playerPos = _player.position;
  11.     CGPoint diff = ccpSub(touchLocation, playerPos);
  12. 	CGSize winSize = [[CCDirector sharedDirector] winSize];
  13.  
  14. 	// Define areas on the screen to control player differently
  15. 	// Centralised cross that will move directly up, down, left or right (winsize.width/3, winsize.height/3)
  16. 	// Remaining areas will move diagonally
  17. 	// If central crossover area is pressed, player will not move.
  18.  
  19. 	// Left/right press
  20. 	if (touchLocation.x < winSize.width/3) {
  21. 		moveX = YES;
  22. 	} else if (touchLocation.x > ((winSize.width/3)*2)) {
  23. 		moveX = YES;
  24. 	} else {
  25. 		moveX = NO;
  26. 	}
  27.  
  28.  
  29. 	// Up/down press
  30. 	if (touchLocation.y < winSize.height/3) {
  31. 		moveY = YES;
  32. 	} else 	if (touchLocation.y > ((winSize.height/3)*2)) {
  33. 		moveY = YES;
  34. 	} else {
  35. 		moveY = NO;
  36. 	}
  37.  
  38.  
  39.  
  40.     if (moveX) {
  41. 		if (diff.x >= _tileMap.tileSize.width) {
  42.             playerPos.x += _tileMap.tileSize.width;
  43.         } else if (diff.x <= (_tileMap.tileSize.width * -1)) {
  44.             playerPos.x -= _tileMap.tileSize.width; 
  45.         }    
  46. 	}
  47.  
  48. 	if (moveY) {
  49.         if (diff.y >= _tileMap.tileSize.height) {
  50.             playerPos.y += _tileMap.tileSize.height;
  51.         } else if (diff.y <= (_tileMap.tileSize.height * -1)) {
  52.             playerPos.y -= _tileMap.tileSize.height;
  53.         }
  54. 	}
  55.  
  56.  
  57. 	if (moveX || moveY) {
  58.  
  59. 		if (playerPos.x <= (_tileMap.mapSize.width * _tileMap.tileSize.width) &&
  60. 			playerPos.y <= (_tileMap.mapSize.height * _tileMap.tileSize.height) &&
  61. 			playerPos.y >= 0 &&
  62. 			playerPos.x >= 0 ) 
  63. 		{
  64. 			[self setPlayerPosition:playerPos];
  65. 		}
  66.  
  67.  
  68. 	}
  69. }

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