门徒计划算法班完整代码资料

门徒计划算法版--Web方向、Java方向、AI方向，包更新

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// 将角度转换为弧度 #define DEGREES__TO__RADIANS(d) ((d) * M_PI / 180.f)

• (void)viewDidLoad { [super viewDidLoad];

  // layer _layer = [CALayer layer]; _layer.frame = (CGRect){CGPointMake(80, 100), CGSizeMake(160, 300)}; _layer.backgroundColor = [UIColor redColor].CGColor; _layer.anchorPoint = CGPointMake(1.f, 0.5f); _layer.contents = (__bridge id)([UIImage imageNamed:@"pic1"].CGImage); [self.view.layer addSublayer:_layer]; _layer.borderColor = [UIColor blackColor].CGColor; _layer.borderWidth = 2.f; _layer.cornerRadius = 4.f; _layer.transform = CATransform3DMakeRotation(DEGREES__TO__RADIANS(0), 0.0, 1.0, 0.0);

  // 手势 UIPanGestureRecognizer *pan =
  [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePan:)]; [self.view addGestureRecognizer:pan]; }

• (void)handlePan:(UIPanGestureRecognizer *)sender { CGPoint curPoint = [sender locationInView:self.view]; NSLog(@"%f", curPoint.x * calculateSlope(0, 0, 320, 180));

  CGFloat x = curPoint.x;

  // 初始化3D变换,获取默认值 CATransform3D perspectiveTransform = CATransform3DIdentity;

  // 透视 perspectiveTransform.m34 = -1.0/2000.0;

  // 空间旋转 perspectiveTransform =
  CATransform3DRotate(perspectiveTransform, DEGREES__TO__RADIANS(x*calculateSlope(0, 0, 320, 180)), 0, 1, 0); [CATransaction setDisableActions:YES]; _layer.transform = perspectiveTransform;

  if (x >= 160) { [CATransaction setDisableActions:YES]; _layer.contents = (__bridge id)([UIImage imageNamed:@"pic2"].CGImage); } else { [CATransaction setDisableActions:YES]; _layer.contents = (__bridge id)([UIImage imageNamed:@"pic1"].CGImage); } }

#pragma mark - 计算斜率 k CGFloat calculateSlope(CGFloat x1, CGFloat y1, CGFloat x2, CGFloat y2) { return (y2 - y1) / (x2 - x1); }

#pragma mark - 计算常数 b CGFloat calculateConstant(CGFloat x1, CGFloat y1, CGFloat x2, CGFloat y2) { return (y1*(x2 - x1) - x1*(y2 - y1)) / (x2 - x1); }