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authorStarla Insigna <starla4444@gmail.com>2011-07-30 11:19:14 -0400
committerStarla Insigna <starla4444@gmail.com>2011-07-30 11:19:14 -0400
commit9cd57b731ab1c666d4a1cb725538fdc137763d12 (patch)
tree5bac45ae5157a1cb10c6e45500cbf72789917980 /libs/cocos2d/CCActionTween.m
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Initial commit (version 0.2.1)
Diffstat (limited to 'libs/cocos2d/CCActionTween.m')
-rwxr-xr-xlibs/cocos2d/CCActionTween.m72
1 files changed, 72 insertions, 0 deletions
diff --git a/libs/cocos2d/CCActionTween.m b/libs/cocos2d/CCActionTween.m new file mode 100755 index 0000000..95ae572 --- /dev/null +++ b/libs/cocos2d/CCActionTween.m
@@ -0,0 +1,72 @@
1/*
2 * cocos2d for iPhone: http://www.cocos2d-iphone.org
3 *
4 * Copyright 2009 lhunath (Maarten Billemont)
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 *
24 */
25
26#import "CCActionTween.h"
27
28
29@implementation CCActionTween
30
31+ (id)actionWithDuration:(ccTime)aDuration key:(NSString *)aKey from:(float)aFrom to:(float)aTo {
32
33 return [[[[self class] alloc] initWithDuration:aDuration key:aKey from:aFrom to:aTo] autorelease];
34}
35
36- (id)initWithDuration:(ccTime)aDuration key:(NSString *)key from:(float)from to:(float)to {
37
38 if ((self = [super initWithDuration:aDuration])) {
39
40 key_ = [key copy];
41 to_ = to;
42 from_ = from;
43
44 }
45
46 return self;
47}
48
49- (void) dealloc
50{
51 [key_ release];
52 [super dealloc];
53}
54
55- (void)startWithTarget:aTarget
56{
57 [super startWithTarget:aTarget];
58 delta_ = to_ - from_;
59}
60
61- (void) update:(ccTime) dt
62{
63 [target_ setValue:[NSNumber numberWithFloat:to_ - delta_ * (1 - dt)] forKey:key_];
64}
65
66- (CCActionInterval *) reverse
67{
68 return [[self class] actionWithDuration:duration_ key:key_ from:to_ to:from_];
69}
70
71
72@end