ios测试

1.今天在公司中遇到一个问题：想到一个好的想法

  1 //
  2 //  CloudView.m
  3 //  Test
  4 //
  5 //  Created by zhangmh on 12-7-9.
  6 //  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
  7 //
  8
  9 #import "CloudView.h"
 10
 11 @interface CloudView()
 12
 13 @property (nonatomic) CGFloat top;
 14 @property (nonatomic) CGFloat bottom;
 15 @property (nonatomic) CGFloat left;
 16 @property (nonatomic) CGFloat right;
 17
 18 - (void)animationUpdate;
 19
 20
 21 - (CGFloat)limitSpeedbettowinMINandMAX:(CGFloat)speedValue;
 22 @end
 23
 24 @implementation CloudView
 25
 26 @synthesize delegate;
 27
 28 @synthesize top;
 29 @synthesize bottom;
 30 @synthesize left;
 31 @synthesize right;
 32
 33
 34 #pragma mark -
 35 #pragma mark --初始化方法--
 36 - (id)initWithFrame:(CGRect)frame andNodeCount:(NSInteger)nodeCount
 37 {
 38     self = [super initWithFrame:frame];
 39     if (self) {
 40
 41         CGSize nodeSize = CGSizeMake(25, 25);
 42
 43         speedMAX      =  2.0f;//最大移动速度
 44         speedMIN      = -2.0f;//最小移动速度
 45
 46         self.left     = frame.origin.x - nodeSize.width;
 47         self.right    = frame.origin.x + frame.size.width;
 48         self.top      = frame.origin.y - nodeSize.height;
 49         self.bottom   = frame.origin.y + frame.size.height;
 50
 51         oldtouchPoint = CGPointMake(-1000, -1000);
 52
 53         for (NSInteger i = 0;i < nodeCount; i ++) {
 54
 55             CGFloat x = arc4random()%(int)(self.right  - nodeSize.width);
 56             CGFloat y = arc4random()%(int)(self.bottom - nodeSize.height);
 57
 58             CloudButton *cloudButton = [[CloudButton alloc] initWithFrame:CGRectMake(x,
 59                                                                                      y,
 60                                                                                      nodeSize.width,
 61                                                                                      nodeSize.height)];
 62
 63             cloudButton.tag = i;
 64             cloudButton.userInteractionEnabled = NO;
 65
 66             [cloudButton setTitle:[NSString stringWithFormat:@"%d",i]
 67                          forState:UIControlStateNormal];
 68
 69             [cloudButton addTarget:delegate
 70                             action:@selector(didSelectedNodeButton:)
 71                   forControlEvents:UIControlEventTouchUpInside];
 72
 73             float fontSize = arc4random()%20+8;
 74
 75             cloudButton.titleLabel.font = [UIFont systemFontOfSize:fontSize];
 76             cloudButton.alpha = fontSize/25;
 77
 78             NSLog(@"%d.alpha==%f",i,cloudButton.alpha);
 79
 80             [self addSubview:cloudButton];
 81             [cloudButton release];
 82         }
 83
 84         animationTimer = [NSTimer scheduledTimerWithTimeInterval:1.0/60.0
 85                                                           target:self
 86                                                         selector:@selector(animationUpdate)
 87                                                         userInfo:nil
 88                                                          repeats:YES];
 89         [animationTimer setFireDate:[NSDate distantPast]];
 90     }
 91     return self;
 92 }
 93
 94 #pragma mark -
 95 #pragma mark --触摸事件--
 96 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
 97 {
 98     UITouch *theTouch = [touches anyObject];
 99     CGPoint currentPoint = [theTouch  locationInView:self];
100     oldtouchPoint = CGPointMake(currentPoint.x, currentPoint.y);
101
102     for (int i=0; i<self.subviews.count; i++) {
103         CloudButton *cloud = [self.subviews objectAtIndex:i];
104         cloud.userInteractionEnabled = NO;
105     }
106 }
107
108 - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
109 {
110     UITouch *theTouch = [touches anyObject];
111     CGPoint currentPoint = [theTouch  locationInView:self];
112     if (oldtouchPoint.x != -1000 && oldtouchPoint.y != -1000) {
113
114         for (int i=0; i<self.subviews.count; i++) {
115             CloudButton *cloud = [self.subviews objectAtIndex:i];
116
117             cloud.distanceX = [self limitSpeedbettowinMINandMAX:(currentPoint.x - oldtouchPoint.x)];
118
119             cloud.distanceY = [self limitSpeedbettowinMINandMAX:(currentPoint.y - oldtouchPoint.y)];
120
121             CGFloat distance = sqrt(cloud.distanceX*cloud.distanceX+
122                                     cloud.distanceY*cloud.distanceY);
123             if (distance!=0) {
124
125                 if (0.001 <= cloud.acceleration) {
126                     cloud.acceleration = (arc4random()%100)/200.0f;
127                 }
128
129             }
130
131         }
132     }
133 }
134
135 - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
136 {
137     for (int i=0; i<self.subviews.count; i++) {
138         CloudButton *cloud = [self.subviews objectAtIndex:i];
139         cloud.userInteractionEnabled = YES;
140     }
141 }
142 #pragma mark -
143
144 #pragma mark -
145 #pragma mark --动画事件--
146 - (void)animationUpdate
147 {
148     for (int i=0; i<self.subviews.count; i++) {
149
150         CloudButton *cloud = [self.subviews objectAtIndex:i];
151
152         cloud.center = CGPointMake(cloud.center.x + cloud.distanceX*cloud.acceleration,
153                                    cloud.center.y + cloud.distanceY*cloud.acceleration);
154         if (cloud.center.x < self.left) {
155             cloud.center = CGPointMake(self.right,self.bottom - cloud.center.y);
156         }
157
158         if (cloud.center.x > self.right) {
159             cloud.center = CGPointMake(self.left, self.bottom - cloud.center.y);
160         }
161
162         if (cloud.center.y < self.top){
163             cloud.center = CGPointMake(self.right - cloud.center.x, self.bottom);
164         }
165
166         if (cloud.center.y > self.bottom) {
167
168             cloud.center = CGPointMake(self.right - cloud.center.x, self.top);
169         }
170
171         cloud.acceleration -= 0.001;
172
173         if (cloud.acceleration < 0.001) {
174             cloud.acceleration = 0.001;
175         }
176
177     }
178 }
179
180
181
182 - (CGFloat)limitSpeedbettowinMINandMAX:(CGFloat)speedValue
183 {
184     if (speedValue > speedMAX) {
185         speedValue = speedMAX;
186     }
187
188     if (speedValue < speedMIN) {
189         speedValue = speedMIN;
190     }
191
192     return speedValue;
193 }
194 #pragma mark -
195 #pragma mark -
196 /*
197 // Only override drawRect: if you perform custom drawing.
198 // An empty implementation adversely affects performance during animation.
199 - (void)drawRect:(CGRect)rect
200 {
201     // Drawing code
202 }
203 */
204
205 @end

我么想