def Body(self, idx: int):
DeviceAllocator.rand_init(kSeed, idx, 0)
self.pos = Vector(2.0 * DeviceAllocator.rand_uniform() - 1.0,
2.0 * DeviceAllocator.rand_uniform() - 1.0)
self.vel = Vector(0.0, 0.0)
self.force = Vector(0.0, 0.0)
self.mass = (DeviceAllocator.rand_uniform() / 2.0 + 0.5) * kMaxMass
def Body(self, idx: int):
DeviceAllocator.rand_init(kSeed, idx, 0)
self.pos_x = 2.0 * DeviceAllocator.rand_uniform() - 1.0
self.pos_y = 2.0 * DeviceAllocator.rand_uniform() - 1.0
self.vel_x = 0.0
self.vel_y = 0.0
self.mass = (DeviceAllocator.rand_uniform() / 2.0 + 0.5) * kMaxMass
self.force_x = 0.0
self.force_y = 0.0