iOS 動(dòng)畫實(shí)戰(zhàn)之釣魚小游戲?qū)嵗a

@property (nonatomic, strong) CADisplayLink *linkTimer;
@property (nonatomic, assign) BOOL isReduce;//改變方向
@property (nonatomic, assign) CGFloat angle;//擺動(dòng)的角度
- (void)initView{
[self setAnchorPoint:CGPointMake(0.5, 0) forView:self];
UIImageView *gouImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, self.frame.size.height - 35 , 30, 35)];
gouImageView.image = [UIImage imageNamed:@"fish_catcher_tong"];
[self addSubview:gouImageView];
UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake((self.frame.size.width - 3)/2.0, 0, 3, self.frame.size.height - 35)];
lineView.backgroundColor = HEXCOLOR(0x9e664a);
[self addSubview:lineView];
// 創(chuàng)建一個(gè)對(duì)象計(jì)時(shí)器
_linkTimer = [CADisplayLink displayLinkWithTarget:self selector:@selector(hookMove)];
//啟動(dòng)這個(gè)link
[_linkTimer addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];
}
//設(shè)置錨點(diǎn)后重新設(shè)置frame
- (void) setAnchorPoint:(CGPoint)anchorpoint forView:(UIView *)view{
CGRect oldFrame = view.frame;
view.layer.anchorPoint = anchorpoint;
view.frame = oldFrame;
}
#pragma mark - 魚鉤擺動(dòng)
- (void)hookMove{
if (self.isReduce){
_angle-=1.8*cos(1.5*_angle)*0.01;//計(jì)算角度,利用cos模擬上升過(guò)程中減慢，下降加快
if (_angle < -M_PI/180*45){
self.isReduce = NO;
}
}else {
_angle+=1.8*cos(1.5*_angle)*0.01;
if (_angle > M_PI/180*45){
self.isReduce = YES;
}
}
if (self.angleBlock){
self.angleBlock(_angle);
}
// DLog(@"魚鉤角度%f",_angle);
//旋轉(zhuǎn)動(dòng)畫
self.transform = CGAffineTransformMakeRotation(_angle);
}

typedef NS_ENUM(NSInteger, FishModelImageViewType){
FishModelImageViewTypeXHY = 0, //小黃魚
FishModelImageViewTypeSBY = 1, //石斑魚
FishModelImageViewTypeHSY = 2, //紅杉魚
FishModelImageViewTypeBWY = 3, //斑紋魚
FishModelImageViewTypeSHY = 4, //珊瑚魚
FishModelImageViewTypeSY = 5, //鯊魚
};

FishModelImageViewDelegate
//魚的種類-游動(dòng)方向-贏取金額
方法 - (void)catchTheFishWithType:(FishModelImageViewType)type
andDirection:(FishModelImageViewDirection)dir
andWinCount:(int)count;

//初始化UIImageView
UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 55, 55)];
//如果圖片的名字是有順序的，例如xhy1,xhy2,xhy3...,可以取去掉序號(hào)的名字，然后會(huì)自動(dòng)將所有的圖片都加載進(jìn)來(lái)，duration是動(dòng)畫時(shí)長(zhǎng)
imageView.image = [UIImage animatedImageNamed:@"xhy" duration:1];
[self.view addSubview:imageView];

//初始化小魚 git動(dòng)畫時(shí)長(zhǎng)
- (void)initViewWithType:(FishModelImageViewType)type andDuration:(double)time{
self.fishType = type;
switch (type) {
case FishModelImageViewTypeXHY://小黃魚
self.duration = 6.0;
self.frame = CGRectMake(-100, 0, 35, 40); //魚的大小要定義好
self.image = [UIImage animatedImageNamed:@"xhy" duration:time];
break;
case FishModelImageViewTypeSBY://石斑魚
self.duration = 7.0;
self.frame = CGRectMake(-100, 0, 50, 50);
self.image = [UIImage animatedImageNamed:@"sby" duration:time];
break;
case FishModelImageViewTypeHSY://紅杉魚
self.duration = 8.0;
self.frame = CGRectMake(-100, 0, 50, 40);
self.image = [UIImage animatedImageNamed:@"hsy" duration:time];
break;
case FishModelImageViewTypeBWY://斑紋魚
self.duration = 8.5;
self.frame = CGRectMake(-100, 0, 65, 53);
self.image = [UIImage animatedImageNamed:@"bwy" duration:time];
break;
case FishModelImageViewTypeSHY://珊瑚魚
self.duration = 9.0;
self.frame = CGRectMake(-100, 0, 55, 55);
self.image = [UIImage animatedImageNamed:@"shy" duration:time];
break;
case FishModelImageViewTypeSY://鯊魚
self.duration = 11.0;
self.frame = CGRectMake(-200, 0, 145, 90);
self.image = [UIImage animatedImageNamed:@"sy" duration:time];
break;
}
}

//初始化可以垂釣的魚
- (instancetype)initCanCatchFishWithType:(FishModelImageViewType)type andDirection:(FishModelImageViewDirection)dir{
if (self = [super init]){
self.direction = dir;
[self initViewWithType:type andDuration:1];
if (dir == FishModelImageViewFromLeft){//從左往右，默認(rèn)所有的魚都是從右往左
self.transform = CGAffineTransformMakeScale(-1, 1); //鏡像
}
[self initFishView];
}
return self;
}
#pragma mark - 可以垂釣的魚（計(jì)時(shí)器）
- (void)initFishView{
//接收可以垂釣的通知
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(notificationCanCatch:) name:NotificationFishHookStop object:nil];
//接收不可垂釣的通知
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(notificationCannotCatch) name:NotificationFishHookMove object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(removeTimer) name:NotificationRemoveFishModelTimer object:nil];
//創(chuàng)建計(jì)時(shí)器
_linkTimer = [CADisplayLink displayLinkWithTarget:self selector:@selector(fishMove)];
//啟動(dòng)這個(gè)link(加入到線程池)
[_linkTimer addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];
_offsetX = ScreenWidth;
_offsetY = 100;
_fishWidth = self.frame.size.width;
//Y可變高度范圍
_randomRange = (int) (YuTangHeight - self.frame.size.height - OffSetYRange);
self.speed = (ScreenWidth + _fishWidth)/self.duration;//游動(dòng)速度
self.changeX = self.speed/60.0;//計(jì)時(shí)器每秒60次
DLog(@"魚游動(dòng)的速度：%f,每次位移:%f", self.speed,self.changeX);
}

- (void)fishMove{
if (self.direction == FishModelImageViewFromLeft){//從左至右
if (_offsetX > ScreenWidth + _fishWidth){
_offsetY = arc4random()%_randomRange + OffSetYRange;
_offsetX = - _fishWidth - _offsetY;
}
_offsetX+=self.changeX;
self.frame = [self resetFrameOrigin:CGPointMake(_offsetX, _offsetY)];
if ([self fishCanBeCatchedWithOffsetX:_offsetX + _fishWidth]){
NSLog(@"釣到從左到右的魚了:%ld",(long)self.fishType);
CGAffineTransform transform = CGAffineTransformIdentity;
transform = CGAffineTransformScale(transform, -1, 1);//鏡像
transform = CGAffineTransformRotate(transform, M_PI_2);//旋轉(zhuǎn)90度
self.transform = transform;
self.frame = [self resetFrameOrigin:CGPointMake(ScreenWidth*2, 0)];
[self fishCatchedMoveUpWithOffsetX:_offsetX + _fishWidth];
_offsetX = ScreenWidth + _fishWidth + 1;//重置起點(diǎn)
_linkTimer.paused = YES;//計(jì)時(shí)器暫停
}
}else {//從右到左
if (_offsetX < -_fishWidth){
_offsetY = arc4random()%_randomRange + OffSetYRange;
_offsetX = ScreenWidth + _offsetY;
}
_offsetX-=self.changeX;
self.frame = [self resetFrameOrigin:CGPointMake(_offsetX, _offsetY)];
if ([self fishCanBeCatchedWithOffsetX:_offsetX]){
NSLog(@"釣到從右到左的魚了:%ld",(long)self.fishType);
self.transform = CGAffineTransformMakeRotation(M_PI_2);
self.frame = [self resetFrameOrigin:CGPointMake(ScreenWidth*2, 0)];
[self fishCatchedMoveUpWithOffsetX:_offsetX];
_offsetX = -_fishWidth-1;//重置起點(diǎn)
_linkTimer.paused = YES;//計(jì)時(shí)器暫停
}
}
}

//魚是否可以被釣上來(lái)（根據(jù)概率計(jì)算）
- (BOOL)fishCanBeCatchedWithOffsetX:(CGFloat)offsetX{
if (!self.isCanCatch) return NO;
if (fabs(offsetX - self.hookX) > self.changeX/2.0) return NO; //判斷是否到達(dá)了可以垂釣的點(diǎn)
int random = arc4random()%100; //[0,99]
DLog(@"random:%d", random);
switch (self.fishType) {
case FishModelImageViewTypeXHY://小黃魚 80% 金幣2
if (random < 80){
self.moneyCount = 2;
return YES;
}
break;
case FishModelImageViewTypeSBY://石斑魚 50% 金幣5
if (random < 50) {
self.moneyCount = 5;
return YES;
}
break;
case FishModelImageViewTypeHSY://紅杉魚 30% 金幣10
if (random < 30) {
self.moneyCount = 10;
return YES;
}
break;
case FishModelImageViewTypeBWY://斑紋魚 15% 金幣20
if (random < 15) {
self.moneyCount = 20;
return YES;
}
break;
case FishModelImageViewTypeSHY://珊瑚魚 5% 金幣50
if (random < 5) {
self.moneyCount = 50;
return YES;
}
break;
case FishModelImageViewTypeSY://鯊魚 1% 金幣100
if (random < 1) {
self.moneyCount = 100;
return YES;
}
break;
}
self.moneyCount = 0;
return NO;
}

//初始化釣到的小魚
- (instancetype)initCatchedFishWithType:(FishModelImageViewType)type andDirection:(FishModelImageViewDirection)dir{
if (self = [super init]){
self.direction = dir;
[self initViewWithType:type andDuration:0.5];
//重制x,y坐標(biāo)， 30為魚鉤的寬度，85為魚鉤的長(zhǎng)度
self.x = (30 - self.width)/2.0;
self.y = 85 - 6;
if (dir == FishModelImageViewFromLeft){//從左往右，默認(rèn)所有的魚都是從右往左
CGAffineTransform transform = CGAffineTransformIdentity;
transform = CGAffineTransformScale(transform, -1, 1);//鏡像
transform = CGAffineTransformRotate(transform, M_PI_2);//旋轉(zhuǎn)90度
self.transform = transform;
}else {
self.transform = CGAffineTransformMakeRotation(M_PI_2);
}
}
return self;
}

//魚被抓到后往上游
- (void)fishCatchedMoveUpWithOffsetX:(CGFloat) offsetX{
//鉤沉到魚塘的高度為45
//位移動(dòng)畫
CABasicAnimation *ani = [CABasicAnimation animationWithKeyPath:@"position"];
ani.duration = 0.7;
if (self.fishType == FishModelImageViewTypeSY){//鯊魚由于太長(zhǎng)，所以不進(jìn)行上游動(dòng)畫了
ani.fromValue = [NSValue valueWithCGPoint:CGPointMake(offsetX,45 + _fishWidth/2.0)];
ani.toValue = [NSValue valueWithCGPoint:CGPointMake(_hookX, 45 + _fishWidth/2.0)];
}else {
ani.fromValue = [NSValue valueWithCGPoint:CGPointMake(offsetX, (_offsetY < 60) ? 45 + _fishWidth/2.0 : _offsetY)];//離鉤子近的話則不進(jìn)行動(dòng)畫
ani.toValue = [NSValue valueWithCGPoint:CGPointMake(_hookX, 45 + _fishWidth/2.0)];
}
ani.delegate = self;
//設(shè)置這兩句動(dòng)畫結(jié)束會(huì)停止在結(jié)束位置
[ani setValue:kFishCatchedMoveUpValue forKey:kFishCatchedMoveUpKey];
[self.layer addAnimation:ani forKey:kFishCatchedMoveUpKey];
}

#pragma mark - CAAnimationDelegate
- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{
if (flag){
if ([[anim valueForKey:kFishCatchedMoveUpKey] isEqualToString:kFishCatchedMoveUpValue]){//魚上游
if (self.direction == FishModelImageViewFromLeft){
CGAffineTransform transform = CGAffineTransformIdentity;
transform = CGAffineTransformScale(transform, -1, 1);//鏡像
transform = CGAffineTransformRotate(transform, 0);//旋轉(zhuǎn)90度
self.transform = transform;
}else {
self.transform = CGAffineTransformMakeRotation(0);
}
if ([self.delegate respondsToSelector:@selector(catchTheFishWithType:andDirection:andWinCount:)]){
[self.delegate catchTheFishWithType:self.fishType andDirection:self.direction andWinCount:self.moneyCount];
}
}
}
}

- (void)viewDidLoad {
[super viewDidLoad];
_fishView = [[FishingView alloc] initWithFrame:self.view.bounds];
[self.view addSubview:_fishView];
}
- (void)viewDidDisappear:(BOOL)animated{
[super viewWillDisappear:animated];
[_fishView removeFishViewResource];
}

#pragma mark - 魚鉤
- (void)initHookView{
_fishHookView = [[FishHookView alloc] initWithFrame:CGRectMake((ScreenWidth - 30)/2.0, 5, 30, 85)];
__weak typeof (self) weakSelf = self;
_fishHookView.angleBlock = ^(CGFloat angle) {
weakSelf.angle = angle;
};
[self addSubview:_fishHookView];
UIImageView *yuGanImageView = [[UIImageView alloc] initWithFrame:CGRectMake(ScreenWidth/2.0 - 2, 0, ScreenWidth/2.0, 50)];
yuGanImageView.image = [UIImage imageNamed:@"fish_gan_tong"];
[self addSubview:yuGanImageView];
}

//釣魚動(dòng)作
- (void)fishBtnAction{
if (self.fishHookState != FishHookStateShake) return; //不是搖擺狀態(tài)不可出桿
[self.fishHookView hookTimerPause];//暫停魚鉤的計(jì)時(shí)器
double degree = _angle*180/M_PI;//度數(shù)
double rate = tan(_angle);//比列
DLog(@"degree:%f---rate:%f",degree,rate);
//計(jì)算出來(lái)線終點(diǎn)x的位置 , 鉤到水里的深度不變，即y是固定的
_lineOffsetX = ScreenWidth/2.0 - (FishLineHeigth)*rate;
//鉤子底部xy值
_hookBottomX = ScreenWidth/2.0 - (FishLineHeigth + FishHookHeight)*rate;
_hookBottomY = FishLineHeigth + FishHookHeight;
//動(dòng)畫時(shí)間
double aniDuration = [self hookOutOfRiver] ? 0.5 : 1;
//繪制路徑
UIBezierPath *path = [UIBezierPath bezierPath];
[path moveToPoint:CGPointMake(ScreenWidth/2.0 ,5)];
[path addLineToPoint:CGPointMake(_lineOffsetX, FishLineHeigth)];
//圖形設(shè)置
_linePathLayer = [CAShapeLayer layer];
_linePathLayer.frame = self.bounds;
_linePathLayer.path = path.CGPath;
_linePathLayer.strokeColor = [HEXCOLOR(0x9e664a) CGColor];
_linePathLayer.fillColor = nil;
_linePathLayer.lineWidth = 3.0f;
_linePathLayer.lineJoin = kCALineJoinBevel;
[self.layer addSublayer:_linePathLayer];
//下鉤動(dòng)畫
CAKeyframeAnimation *ani = [CAKeyframeAnimation animationWithKeyPath:@"strokeEnd"];
ani.duration = aniDuration;
ani.values = @[@0,@0.8,@1];
ani.keyTimes = @[@0,@0.6,@1];
ani.delegate = self;
[ani setValue:kLineDownAnimationValue forKey:kLineDownAnimationKey];
[_linePathLayer addAnimation:ani forKey:kLineDownAnimationKey];
//位移動(dòng)畫
_hookAnimation = [CAKeyframeAnimation animationWithKeyPath:@"position"];
//移動(dòng)路徑
CGFloat tempOffsetX = ScreenWidth/2.0 - (FishLineHeigth*0.8)*rate;
NSValue *p1 = [NSValue valueWithCGPoint:CGPointMake(ScreenWidth/2.0 ,5)];
NSValue *p2 = [NSValue valueWithCGPoint:CGPointMake(tempOffsetX, FishLineHeigth*0.8)];
NSValue *p3 = [NSValue valueWithCGPoint:CGPointMake(_lineOffsetX, FishLineHeigth)];
_hookAnimation.duration = aniDuration;
_hookAnimation.values = @[p1,p2,p3];
_hookAnimation.keyTimes = @[@0,@0.7,@1];//動(dòng)畫分段時(shí)間
//設(shè)置這兩句動(dòng)畫結(jié)束會(huì)停止在結(jié)束位置
_hookAnimation.removedOnCompletion = NO;
_hookAnimation.fillMode=kCAFillModeForwards;
[_fishHookView.layer addAnimation:_hookAnimation forKey:@"goukey"];
}

//鉤子停在底部
- (void)hookStop:(NSTimer *)timer{
_stopDuration-=1;
//最后一秒不可上鉤
if (_stopDuration == 1){
//發(fā)送不可垂釣的通知
self.fishHookState = FishHookStateUp;
[[NSNotificationCenter defaultCenter] postNotificationName:NotificationFishHookMove object:nil];
}
if (_stopDuration <= 0){
//關(guān)閉計(jì)時(shí)器
[timer setFireDate:[NSDate distantFuture]];
UIBezierPath *path = [UIBezierPath bezierPath];
[path moveToPoint:CGPointMake(_lineOffsetX, FishLineHeigth)];
[path addLineToPoint:CGPointMake(ScreenWidth/2.0 ,5)];
_linePathLayer.path = path.CGPath;
//動(dòng)畫時(shí)間
double aniDuration = [self hookOutOfRiver] ? 0.5 : 1;
//上鉤
CABasicAnimation *ani = [CABasicAnimation animationWithKeyPath:@"strokeStart"];
ani.duration = aniDuration;
ani.fromValue = [NSNumber numberWithFloat:0];
ani.toValue = [NSNumber numberWithFloat:1];
ani.delegate = self;
ani.removedOnCompletion = NO;
ani.fillMode=kCAFillModeForwards;
[ani setValue:kLineUpAnimationValue forKey:kLineUpAnimationKey];
[_linePathLayer addAnimation:ani forKey:kLineUpAnimationKey];
[_fishHookView.layer removeAllAnimations];
NSValue *p1 = [NSValue valueWithCGPoint:CGPointMake(ScreenWidth/2.0 ,5)];
NSValue *p2 = [NSValue valueWithCGPoint:CGPointMake(_lineOffsetX, FishLineHeigth)];
_hookAnimation.duration = aniDuration;
_hookAnimation.values = @[p2,p1];
_hookAnimation.keyTimes = @[@0,@1];
[_fishHookView.layer addAnimation:_hookAnimation forKey:@"goukey"];
}
}

#pragma mark - CAAnimationDelegate 動(dòng)畫代理
//動(dòng)畫開始
- (void)animationDidStart:(CAAnimation *)anim{
//下鉤動(dòng)畫開始
if ([[anim valueForKey:kLineDownAnimationKey] isEqualToString:kLineDownAnimationValue]){
self.fishHookState = FishHookStateDown;//下鉤狀態(tài)
//錢數(shù)
self.moneyLabel.text = [NSString stringWithFormat:@"%d", _totalMoney-=10];
self.winMoney = 0;
}else if ([[anim valueForKey:kLineUpAnimationKey] isEqualToString:kLineUpAnimationValue]){//上鉤動(dòng)畫開始
self.fishHookState = FishHookStateUp;//上鉤狀態(tài)
[[NSNotificationCenter defaultCenter] postNotificationName:NotificationFishHookMove object:nil];
}
if (self.isCatched){//釣到魚后落金幣
HHShootButton *button = [[HHShootButton alloc] initWithFrame:CGRectMake(_lineOffsetX, 0, 10, 10) andEndPoint:CGPointMake(10, 200)];
button.setting.iconImage = [UIImage imageNamed:@"coin"];
button.setting.animationType = ShootButtonAnimationTypeLine;
[self.bgImageView addSubview:button];
[self bringSubviewToFront:button];
[button startAnimation];
HHWinMoneyLabel *winLabel = [[HHWinMoneyLabel alloc] initWithFrame:CGRectMake(_lineOffsetX - 100/2, ScreenFullHeight - FishSeaHeight, 100, 30)];
winLabel.text = [NSString stringWithFormat:@"+%d",_winMoney];
[self addSubview:winLabel];
self.isCatched = !self.isCatched;
//金幣總數(shù)
self.moneyLabel.text = [NSString stringWithFormat:@"%d", _totalMoney+=self.winMoney];
}
}
//動(dòng)畫結(jié)束
- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{
if (flag){
if ([[anim valueForKey:kLineDownAnimationKey] isEqualToString:kLineDownAnimationValue]){//下鉤動(dòng)畫結(jié)束
self.fishHookState = FishHookStateStop;//垂釣狀態(tài)
//鉤的位置
NSDictionary *dic = @{@"offsetX":[NSString stringWithFormat:@"%.2f",_hookBottomX],@"offsetY":[NSString stringWithFormat:@"%.2f",_hookBottomY]};
//發(fā)送可以垂釣的通知,鉤的位置傳過(guò)去
[[NSNotificationCenter defaultCenter] postNotificationName:NotificationFishHookStop object:nil userInfo:dic];
_stopDuration = [self hookOutOfRiver] ? 1 : arc4random()%3 + 3; //默認(rèn)時(shí)間[3,5),拋到岸上1s
//開啟上鉤定時(shí)器
[_fishTimer setFireDate:[NSDate distantPast]];
}else if ([[anim valueForKey:kLineUpAnimationKey] isEqualToString:kLineUpAnimationValue]){//上鉤動(dòng)畫結(jié)束
self.fishHookState = FishHookStateShake;//搖擺狀態(tài)
[_linePathLayer removeFromSuperlayer];
[_fishHookView hoolTimerGoOn];//魚鉤計(jì)時(shí)器繼續(xù)
_catchedHeight = 0;
//移除釣上來(lái)的魚
[self removeTheCatchedFishes];
}
}
}

#pragma mark - FishModelImageViewDelegate 釣到魚后的代理
- (void)catchTheFishWithType:(FishModelImageViewType)type andDirection:(FishModelImageViewDirection)dir andWinCount:(int)count{
self.isCatched = YES;
FishModelImageView *fishImageView = [[FishModelImageView alloc] initCatchedFishWithType:type andDirection:dir];
[self.fishHookView addSubview:fishImageView];
fishImageView.y = fishImageView.y + _catchedHeight;
_catchedHeight += 8;//每釣到一個(gè)y坐標(biāo)往下移
//贏得錢數(shù)
self.winMoney += count;
}

//小黃魚
for (int i = 0; i < 8; i++){
FishModelImageView *model1 = [[FishModelImageView alloc] initCanCatchFishWithType:FishModelImageViewTypeXHY andDirection: (i%2 == 0) ? FishModelImageViewFromRight : FishModelImageViewFromLeft];
model1.delegate = self;
[self.bgImageView addSubview:model1];
}

- (void)removeFishViewResource{
//解決魚鉤上鉤動(dòng)畫循環(huán)引用的問(wèn)題
_linePathLayer = nil;
//釣魚計(jì)時(shí)器關(guān)閉
[_fishTimer invalidate];
_fishTimer = nil;
//釋放魚鉤的計(jì)時(shí)器
[self.fishHookView hoolTimerInvalidate];
//發(fā)送通知釋放小魚資源
[[NSNotificationCenter defaultCenter] postNotificationName:NotificationRemoveFishModelTimer object:nil];
}