iphone-common-codes-ccteam源代码 CCPoint.m

////  CCPoint.m//  CCFC////  Created by xichen on 11-12-17.//  Copyright 2011年 ccteam. All rights reserved.//#import "CCPoint.h"#import "CCCommon.h"#import "CCNSNumber.h"@implementation CCPoint- (id)initWithX:(CGFloat)aX withY:(CGFloat)aY{        COMMON_INIT_BEGIN                x = aX;        y = aY;                COMMON_INIT_END}+ (id)pointWithX:(CGFloat)aX withY:(CGFloat)aY{        CCPoint *p = [[CCPoint alloc] initWithX:aX withY:aY];        if(p == nil)                return nil;                return [p autorelease];}- (id)initWithCGPoint:(CGPoint)point{        COMMON_INIT_BEGIN                x = point.x;        y = point.y;                COMMON_INIT_END}+ (id)pointWithCGPoint:(CGPoint)point{        CCPoint *p = [[CCPoint alloc] initWithCGPoint:point];        if(p == nil)                return nil;        return [p autorelease];}- (void)dealloc{        [super dealloc];}- (BOOL)isEqualTo:(CCPoint *)anotherPoint{        return (FLOAT_EQUAL_TO_FLOAT(x, anotherPoint->x)                 && FLOAT_EQUAL_TO_FLOAT(y, anotherPoint->y));}- (BOOL)isEqualToCGPoint:(CGPoint)point{        return (FLOAT_EQUAL_TO_FLOAT(x, point.x)                 && FLOAT_EQUAL_TO_FLOAT(y, point.y));}- (BOOL)isZero{        return (FLOAT_EQUAL_TO_ZERO(x) && FLOAT_EQUAL_TO_ZERO(y)); }- (void)setX:(CGFloat)newX withY:(CGFloat)newY{        x = newX;        y = newY;}- (BOOL)isInRect:(CGRect)rect{        CGFloat rectX = rect.origin.x;        CGFloat rectY = rect.origin.y;        CGFloat rectWidth = rect.size.width;        CGFloat rectHeight = rect.size.height;                if(x < rectX        ||(x > rectX + rectWidth)       || y < rectY       || y > rectY + rectHeight)        {                return FALSE;        }                return TRUE;}//判断某个点是否在某个区域里+ (BOOL)isInRect:(CGPoint)p rect:(CGRect)rect{        CGFloat rectX = rect.origin.x;        CGFloat rectY = rect.origin.y;        CGFloat rectWidth = rect.size.width;        CGFloat rectHeight = rect.size.height;                CGFloat pX = p.x;        CGFloat pY = p.y;                if(pX < rectX        ||(pX > rectX + rectWidth)       || pY < rectY       || pY > rectY + rectHeight)        {                return FALSE;        }                return TRUE;}- (CGPoint)toCGPoint{        return CGPointMake(x, y);}// get the distance of two CCPoint- (CGFloat)distanceToCCPoint:(CCPoint *)anotherPoint{        return sqrt((x - anotherPoint->x) * (x - anotherPoint->x)                                + (y - anotherPoint->y) * (y - anotherPoint->y));}@end

可能有更新:

googlecode链接地址：http://code.google.com/p/iphone-common-codes-ccteam/source/browse/trunk/CCFC/files/CCPoint.m

github地址: https://github.com/cxsjabc/iphone-common-codes-ccteam/tree/master/CCFC/files/CCPoint.m