【IOS】仿捕鱼达人的金币滚动显示
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];}@enddemo的下载地址：http://download.csdn.net/detail/toss156/4209940
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