Updated code for cocos2d v. 0.99.4. Also added auto-registering/unreg…

…istering for touch events when a Node is entered/exited

Shared/CCNode+Additions.h

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+//
+//  CocosNode+Additions.h
+//  OMGTTT
+//
+//  Created by Jeremy on 12/18/09.
+//  Copyright 2009 Jeremy Flores. All rights reserved.
+//
+
+
+#import "cocos2d.h"
+
+@interface CCNode (Additions)
+
+@property (nonatomic, readonly) CGRect rect;	// dynamic
+@property (nonatomic, readonly) CGPoint center;	// dynamic
+
+-(BOOL)isTouchInRect:(UITouch *)touch;
+
+@end

Shared/CCNode+Additions.m

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+//
+//  CocosNode+Additions.m
+//  OMGTTT
+//
+//  Created by Jeremy on 12/18/09.
+//  Copyright 2009 Jeremy Flores. All rights reserved.
+//
+
+#import "CCNode+Additions.h"
+
+
+@implementation CCNode (Additions)
+
+@dynamic rect, center;
+
+-(CGRect) rect
+{
+	return CGRectMake( self.position.x - contentSize_.width*anchorPoint_.x, self.position.y-
+					  contentSize_.height*anchorPoint_.y,
+					  contentSize_.width, contentSize_.height);
+}
+
+-(CGPoint) center {
+	float x = self.rect.origin.x + self.rect.size.width/2;
+	float y = self.rect.origin.y + self.rect.size.height/2;
+	return ccp(x,y);
+}
+
+-(BOOL)isTouchInRect:(UITouch *)touch {
+	CGPoint touchLocation = [touch locationInView: [touch view]];
+	touchLocation = [[CCDirector sharedDirector] convertToGL: touchLocation];
+	CGPoint local = [self convertToNodeSpace:touchLocation];
+	CGRect r = self.rect;
+	r.origin = CGPointZero;
+	if( CGRectContainsPoint( r, local ) ) {
+		return YES;
+	}
+	else {
+		return NO;
+	}
+}
+
+@end