【IOS】仿捕鱼达人的金币滚动显示

【原创作品， 欢迎转载，转载请在明显处注明！ 谢谢。

原文地址：http://blog.csdn.net/toss156/article/details/7439769】

今天给大家带来一个模仿捕鱼达人中，金币的滚动显示。（部分代码参考了cocoachina上一个C++版的）

//
//  UiNumRoll.h
//  WheelScore
//
//  Created by 周海锋 on 12-4-8.
//  Copyright 2012年 CJLU. All rights reserved.
//#import <Foundation/Foundation.h>
#import "cocos2d.h"#define NUM_HEIGHT 20
#define NUM_WIDTH  20typedef enum{NumStyleNormal,NumStyleSameTime,
}NumStyle;@interface UINumber : CCSprite {NumStyle m_style;       //滚动样式int m_num;              //显示的数字int m_nPosCur;          //当前的位置int m_nPosEnd;          //结束的位置int m_nMoveLen;         //每次移动的位置CCTexture2D *m_texture; //数字的texture
}@property(nonatomic,retain) CCTexture2D *m_texture;
-(id) initWithStyle:(NumStyle) style;
-(void) setNumber:(int) num;
-(void) onRollDown:(ccTime) dt;
-(void) onRollUP:(ccTime) dt;
-(void) setup;
@end

//
//  UiNumRoll.m
//  WheelScore
//
//  Created by 周海锋 on 12-4-8.
//  Copyright 2012年 CJLU. All rights reserved.
//#import "UINumber.h"
@implementation UINumber
@synthesize m_texture;/** init 初始化*/
-(id) init
{if( (self=[super init])) {m_texture = NULL;m_style = NumStyleNormal;m_num = 0;m_nPosCur = 0;m_nPosEnd = 0;   [self setup];}return self;
}/** initWithStyle 初始化*/
-(id) initWithStyle:(NumStyle) style
{if( (self=[super init])) {m_texture = NULL;m_style = style;m_num = 0;m_nPosCur = 0;m_nPosEnd = 0;[self setup];}return self;
}/** setup 设置texture*/
-(void)setup
{UIImage *image = [UIImage imageNamed:@"number.png"];m_texture = [[CCTexture2D alloc]initWithImage:image];CCSpriteFrame *frame = [CCSpriteFrame frameWithTexture:m_texture rect:CGRectMake(0, 0, NUM_WIDTH, NUM_HEIGHT)];[self setDisplayFrame:frame];
}/** setNumber 设置显示的数字*/
-(void) setNumber:(int) num
{m_nPosCur = NUM_HEIGHT * m_num;m_nPosEnd = NUM_HEIGHT * num;if (NumStyleNormal == m_style) {m_nMoveLen = 4;}else if (NumStyleSameTime == m_style) {m_nMoveLen = (m_nPosEnd-m_nPosCur)/20;}if (m_num > num) {[self schedule:@selector(onRollUP:) interval:0.03];}else {[self schedule:@selector(onRollDown:) interval:0.03];}m_num = num;
}/** onRollDown 向下滚动*/
-(void) onRollDown:(ccTime) dt
{m_nPosCur += m_nMoveLen;if (m_nPosCur >= m_nPosEnd) {m_nPosCur = m_nPosEnd;[self unschedule:@selector(onRollDown:)];}CCSpriteFrame *frame = [CCSpriteFrame frameWithTexture:m_texture rect:CGRectMake(0, m_nPosCur, NUM_WIDTH, NUM_HEIGHT)];[self setDisplayFrame:frame];
}/** onRollUP 向上滚动*/
-(void) onRollUP:(ccTime) dt
{m_nPosCur -= 4;if (m_nPosCur <= m_nPosEnd) {m_nPosCur = m_nPosEnd;[self unschedule:@selector(onRollUP:)];}CCSpriteFrame *frame = [CCSpriteFrame frameWithTexture:m_texture rect:CGRectMake(0, m_nPosCur, NUM_WIDTH, NUM_HEIGHT)];[self setDisplayFrame:frame];
}-(void)dealloc
{[self unscheduleAllSelectors];[m_texture release];[super dealloc];
}
@end

//
//  UIRollNum.h
//  WheelScore
//
//  Created by 周海锋 on 12-4-8.
//  Copyright 2012年 CJLU. All rights reserved.
//#import <Foundation/Foundation.h>
#import "cocos2d.h"
#import "UINumber.h"@interface UIRollNum : CCSprite {int m_nNumber;              //显示的数字int m_maxCol;               //最大显示位数NSMutableArray *numArray;   //存放每个数字的数组CGPoint m_point;            //坐标bool  zeroFill;             //是否开启0填充NumStyle style;             //滚动样式
}@property (nonatomic,retain) NSMutableArray *numArray;
@property (nonatomic) CGPoint m_point;
@property (nonatomic) NumStyle style;  -(void) rebuildEffect;
-(void) clearEffect;
-(int) getNumber;
-(void) setNumber:(int)num;
@end

//
//  UIRollNum.m
//  WheelScore
//
//  Created by 周海锋 on 12-4-8.
//  Copyright 2012年 CJLU. All rights reserved.
//#import "UIRollNum.h"
@implementation UIRollNum
@synthesize numArray,m_point,style;/** init 初始化*/
-(id) init
{if (self = [super init]) {m_nNumber = 0;m_maxCol = 6;numArray =[[NSMutableArray alloc] init];zeroFill = YES;style = NumStyleNormal;}   return self;
}/** getNumber 获取显示的数字*/
-(int) getNumber
{return m_nNumber;
}/** setNumber 设置显示的数字* num int 设置的数字*/
-(void) setNumber:(int)num
{if (m_nNumber != num) {m_nNumber = num;[self rebuildEffect];}
}/** rebuildEffect 重新设置每位数字*/
-(void) rebuildEffect
{[self clearEffect];int i=0;int num = m_nNumber;while (1) {if (num<=0) {if(m_maxCol<=i && zeroFill)break;}int showNum = num%10;UINumber* pNumber = [[UINumber alloc]initWithStyle:style];[numArray addObject:pNumber];[pNumber setNumber:showNum];[pNumber setPosition:CGPointMake(m_point.x - i*NUM_WIDTH, m_point.y)];[pNumber setAnchorPoint:CGPointMake(1, 0.5)];[self addChild:pNumber z:100];i++;num = num/10;}
}/** rebuildEffect 清楚每位数字*/
-(void) clearEffect
{for(int i=0;i<[numArray count];i++) {UINumber* pNumber = (UINumber *)[numArray objectAtIndex:i];[self removeChild:pNumber cleanup:YES];}[numArray removeAllObjects];
}-(void)dealloc
{[numArray release];[super dealloc];
}@end