def __init__(self, **kwargs):
Coordinate.__init__(self, **kwargs)
#半径
self.radius = kwargs['radius']
#角度
self.angle = kwargs.get('angle', 90.0)
#圆心
self.center = (0, 0)
x = Geometry.sin(self.angle / 2) * self.radius
y = Geometry.cos(self.angle / 2) * self.radius
self.source = x, y
self.target = -x, y
#外切圆心，外切半径
if self.angle < 90: #三点求圆
self.wrap_center = Geometry.circle_center(self.source, self.target, self.center)
self.wrap_radius = Geometry.distance(self.wrap_center, self.center)
elif self.angle < 180: #两侧点中点
self.wrap_center = (0, y)
self.wrap_radius = x
else: #所在的圆
self.wrap_center = self.center
self.wrap_radius = self.radius
def __init__(self, **kwargs):
Coordinate.__init__(self, **kwargs)
#起始朝向
self.toward = kwargs.get('toward', self.rotate)
#轨迹包含的线段
self.compose = kwargs['compose']
#角速度，每个时间片旋转的角度
self.velocity = kwargs.get('velocity', 20.0)
#剩余角度
self.residual = 0.0
def __init__(self, **kwargs): Coordinate.__init__(self, **kwargs) #宽度 self.width = kwargs['width'] #高度 self.height = kwargs['height'] #包络圆心 self.wrap_center = (0, self.height / 2) #包络半径 self.wrap_radius = Geometry.distance(self.wrap_center, (self.width / 2, 0))
def __init__(self, **kwargs): Coordinate.__init__(self, **kwargs) Motion.__init__(self, **kwargs) #长度 self.length = kwargs['length'] #源点 self.source = (0, 0) #目标点 self.target = (0, self.length) #距离 self.distance = self.length
def __init__(self, **kwargs):
Coordinate.__init__(self, **kwargs)
#形状组成，由扇形和矩形组成
self.compose = kwargs.get('compose', [])
#快速计算范围，不精确
sx = sy = 0.0
for shape in self.compose:
x, y = shape.wrap_center
sx += x
sy += y
sx /= len(self.compose)
sy /= len(self.compose)
self.wrap_center = (sx, sy)
self.wrap_radius = sum(map(lambda x: x.wrap_radius, self.compose))
def __init__(self, **kwargs): Coordinate.__init__(self, **kwargs) Motion.__init__(self, **kwargs) #长度 self.length = kwargs['length'] middle = kwargs['middle'] #中间点，middle=0为圆 self.middle = (middle, self.length / 2) #源点 self.source = (0, 0) #目标点 if middle: self.target = (0, self.length) else: self.target = self.source #圆弧的圆心 if middle: self.center = Geometry.circle_center(self.source, self.target, self.middle) else: self.center = self.middle #半径 self.radius = Geometry.distance(self.source, self.center) #角度 center_x, center_y = self.center if middle > 0: self.angle = 360 - 2 * Geometry.acos(center_x / self.radius) elif middle < 0: self.angle = 2 * Geometry.acos(center_x / self.radius) else: self.angle = 360 #距离 self.distance = Geometry.radian(self.angle) * self.radius #上一个点 self.last_step = self.source