// //  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

 

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