/libs/cocos2d/CCPropertyAction.m
http://github.com/kstenerud/ObjectAL-for-iPhone · Objective C · 75 lines · 31 code · 20 blank · 24 comment · 1 complexity · 6c6544db627349a37794310d49c0d6fa MD5 · raw file
- /*
- * cocos2d for iPhone: http://www.cocos2d-iphone.org
- *
- * Copyright 2009 lhunath (Maarten Billemont)
- *
- * 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 "CCPropertyAction.h"
- @implementation CCPropertyAction
- + (id)actionWithDuration:(ccTime)aDuration key:(NSString *)aKey from:(float)aFrom to:(float)aTo {
- return [[[[self class] alloc] initWithDuration:aDuration key:aKey from:aFrom to:aTo] autorelease];
- }
- - (id)initWithDuration:(ccTime)aDuration key:(NSString *)key from:(float)from to:(float)to {
-
- if ((self = [super initWithDuration:aDuration])) {
-
- key_ = [key copy];
- to_ = to;
- from_ = from;
- }
-
- return self;
- }
- - (void) dealloc
- {
- [key_ release];
- [super dealloc];
- }
- - (void)startWithTarget:aTarget
- {
-
- [super startWithTarget:aTarget];
-
- delta_ = to_ - from_;
- }
- - (void) update:(ccTime) dt {
-
- [target setValue:[NSNumber numberWithFloat:to_ - delta_ * (1 - dt)] forKey:key_];
- }
- - (CCIntervalAction *) reverse
- {
- return [[self class] actionWithDuration:duration key:key_ from:to_ to:from_];
- }
- @end