From 9cd57b731ab1c666d4a1cb725538fdc137763d12 Mon Sep 17 00:00:00 2001
From: Starla Insigna <starla4444@gmail.com>
Date: Sat, 30 Jul 2011 11:19:14 -0400
Subject: Initial commit (version 0.2.1)

---
 libs/cocos2d/CCCamera.m | 131 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100755 libs/cocos2d/CCCamera.m

(limited to 'libs/cocos2d/CCCamera.m')

diff --git a/libs/cocos2d/CCCamera.m b/libs/cocos2d/CCCamera.m
new file mode 100755
index 0000000..1ef6655
--- /dev/null
+++ b/libs/cocos2d/CCCamera.m
@@ -0,0 +1,131 @@
+/*
+ * cocos2d for iPhone: http://www.cocos2d-iphone.org
+ *
+ * Copyright (c) 2008-2010 Ricardo Quesada
+ * Copyright (c) 2011 Zynga Inc.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#import "Platforms/CCGL.h"
+#import "CCCamera.h"
+#import "ccMacros.h"
+#import "CCDrawingPrimitives.h"
+
+@implementation CCCamera
+
+@synthesize dirty = dirty_;
+
+-(id) init
+{
+	if( (self=[super init]) )
+		[self restore];
+	
+	return self;
+}
+
+- (NSString*) description
+{
+	return [NSString stringWithFormat:@"<%@ = %08X | center = (%.2f,%.2f,%.2f)>", [self class], self, centerX_, centerY_, centerZ_];
+}
+
+
+- (void) dealloc
+{
+	CCLOGINFO(@"cocos2d: deallocing %@", self);
+	[super dealloc];
+}
+
+-(void) restore
+{
+	eyeX_ = eyeY_ = 0;
+	eyeZ_ = [CCCamera getZEye];
+	
+	centerX_ = centerY_ = centerZ_ = 0;
+	
+	upX_ = 0.0f;
+	upY_ = 1.0f;
+	upZ_ = 0.0f;
+	
+	dirty_ = NO;
+}
+
+-(void) locate
+{
+	if( dirty_ )
+		gluLookAt( eyeX_, eyeY_, eyeZ_,
+				centerX_, centerY_, centerZ_,
+				upX_, upY_, upZ_
+				);
+}
+
++(float) getZEye
+{
+	return FLT_EPSILON;
+//	CGSize s = [[CCDirector sharedDirector] displaySize];
+//	return ( s.height / 1.1566f );
+}
+
+-(void) setEyeX: (float)x eyeY:(float)y eyeZ:(float)z
+{
+	eyeX_ = x * CC_CONTENT_SCALE_FACTOR();
+	eyeY_ = y * CC_CONTENT_SCALE_FACTOR();
+	eyeZ_ = z * CC_CONTENT_SCALE_FACTOR();
+	dirty_ = YES;	
+}
+
+-(void) setCenterX: (float)x centerY:(float)y centerZ:(float)z
+{
+	centerX_ = x * CC_CONTENT_SCALE_FACTOR();
+	centerY_ = y * CC_CONTENT_SCALE_FACTOR();
+	centerZ_ = z * CC_CONTENT_SCALE_FACTOR();
+	dirty_ = YES;
+}
+
+-(void) setUpX: (float)x upY:(float)y upZ:(float)z
+{
+	upX_ = x;
+	upY_ = y;
+	upZ_ = z;
+	dirty_ = YES;
+}
+
+-(void) eyeX: (float*)x eyeY:(float*)y eyeZ:(float*)z
+{
+	*x = eyeX_ / CC_CONTENT_SCALE_FACTOR();
+	*y = eyeY_ / CC_CONTENT_SCALE_FACTOR();
+	*z = eyeZ_ / CC_CONTENT_SCALE_FACTOR();
+}
+
+-(void) centerX: (float*)x centerY:(float*)y centerZ:(float*)z
+{
+	*x = centerX_ / CC_CONTENT_SCALE_FACTOR();
+	*y = centerY_ / CC_CONTENT_SCALE_FACTOR();
+	*z = centerZ_ / CC_CONTENT_SCALE_FACTOR();
+}
+
+-(void) upX: (float*)x upY:(float*)y upZ:(float*)z
+{
+	*x = upX_;
+	*y = upY_;
+	*z = upZ_;
+}
+
+@end
-- 
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