Forgot to add a test and some cleanup.

Author: slembcke

cocos2d-ui-tests/tests/CCRendererTest.m

@@ -340,6 +340,36 @@ - (void)setupProgressNodeTest
 			[timer repeatOnceWithInterval:interval];
 		} delay:interval];
 	}
+	
+	{
+		NSString *image = @"Tiles/05.png";
+		CGPoint position = ccp(0.5, 3.0/8.0);
+		
+		CCSprite *sprite = [CCSprite spriteWithImageNamed:image];
+		sprite.positionType = CCPositionTypeNormalized;
+		sprite.position = position;
+		sprite.color = [CCColor grayColor];
+		[self.contentNode addChild:sprite];
+		
+		CCProgressNode *progress = [CCProgressNode progressWithSprite:[CCSprite spriteWithImageNamed:image]];
+		progress.type = CCProgressNodeTypeBar;
+		progress.midpoint = ccp(0.5, 0.5);
+		progress.barChangeRate = ccp(1, 1);
+		progress.positionType = CCPositionTypeNormalized;
+		progress.position = position;
+		progress.percentage = 50;
+		[self.contentNode addChild:progress];
+		
+		[self scheduleBlock:^(CCTimer *timer) {
+			progress.sprite = [CCSprite spriteWithImageNamed:@"Tiles/06.png"];
+			[timer repeatOnceWithInterval:1.0];
+		} delay:0.5];
+		
+		[self scheduleBlock:^(CCTimer *timer) {
+			progress.sprite = [CCSprite spriteWithImageNamed:@"Tiles/05.png"];
+			[timer repeatOnceWithInterval:1.0];
+		} delay:1.0];
+	}
 }
 
 - (void)setupDrawNodeTest

cocos2d/CCProgressNode.m

@@ -93,9 +93,9 @@ -(id)initWithSprite:(CCSprite*) sprite
 		self.barChangeRate = ccp(1, 1);
 		self.sprite = sprite;
 
-    		_dirtyVertexData = NO;
-    		_needsUpdateProgress = YES;
-    
+		_dirtyVertexData = NO;
+		_needsUpdateProgress = YES;
+		
 		// shader program
 		self.shaderProgram = [[CCShaderCache sharedShaderCache] programForKey:kCCShader_PositionTextureColor];
 	}
@@ -222,12 +222,12 @@ -(void)updateProgress
 	if (_dirtyVertexData){
 		// remove the vertex data if the type, direction, or sprite have changed 
 		if (_vertexData) {
-	            free(_vertexData);
-	            _vertexData = NULL;
-	            _vertexDataCount = 0;
+			free(_vertexData);
+			_vertexData = NULL;
+			_vertexDataCount = 0;
 		}
-        	_dirtyVertexData = NO;
-        }
+		_dirtyVertexData = NO;
+	}
 
 	switch (_type) {
 		case CCProgressNodeTypeRadial: