Unity組件：Character Joint 角色關節(jié)

Character Joints are mainly used for Ragdoll effects. They are an extended ball-socket joint which allows you to limit the joint on each axis.

角色關節(jié)主要用于實現布娃娃效果。角色關節(jié)是擴展的球關節(jié)，可以用于限制關節(jié)在不同旋轉軸下的旋轉角度。

If you just want to set up a ragdoll read about Ragdoll Wizard.

如果您只是想建立布娃娃，請參閱組件中Ragdoll Wizard部分的內容。

The Character Joint on a Ragdoll 布娃娃中的角色關節(jié)示例

Properties 屬性

• Connected Body 連接體
  Optional reference to the Rigidbody that the joint is dependent upon. If not set, the joint connects to the world.
  （可選）關節(jié)依賴的的剛體。如果沒有設置表示該關節(jié)與世界相連。
• Anchor 錨
  The point in the GameObject's local space where the joint rotates around.
  游戲對象局部空間中的點，此關節(jié)繞此點進行旋轉。
• Axis 扭軸
  The twist axes. Visualized with the orange gizmo cone.
  關節(jié)的扭軸，以橙色的gizmo圓錐顯示。
• Swing Axis 擺軸
  The swing axis. Visualized with the green gizmo cone.
  關節(jié)的擺軸，以綠色的gizmo圓錐顯示。
• Low Twist Limit 扭軸下限
  The lower limit of the joint. 關節(jié)扭軸的下限
• High Twist Limit 扭軸上限
  The higher limit of the joint. 關節(jié)扭軸的上限
• Swing 1 Limit 擺軸限制1
  Lower limit around the defined Swing Axis 擺軸的下限參數
• Swing 2 Limit 擺軸限制2
  Upper limit around the defined Swing Axis 擺軸的上限參數
• Break Force 斷開力
  The force that needs to be applied for this joint to break.
  讓關節(jié)斷開所需要施加的力。
• Break Torque 斷開扭矩
  The torque that needs to be applied for this joint to break.
  讓關節(jié)斷開所需要施加的力矩。

Details 細節(jié)

Character joint's give you a lot of possibilities for constraining motion like with a universal joint.

角色的關節(jié)提供了很多可能性用于約束通用關節(jié)的運動。

The twist axis (visualized with the orange gizmo) gives you most control over the limits as you can specify a lower and upper limit in degrees (the limit angle is measured relative to the starting position). A value of -30 in Low Twist Limit->Limit and 60 in High Twist Limit->Limit limits the rotation around the twist axis (orange gizmo) between -30 and 60 degrees.

扭矩（以橙色的gizmo顯示）為關節(jié)的運動提供了限制，扭矩允許用戶以角度的形式設置關節(jié)旋轉的下限和上限（角度是相對初始位置進行衡量的）。如-30度的扭矩下限和60度的扭矩上限限制了繞扭軸（橙色gizmo）的旋轉角度在-30度到60度之間。

The Swing 1 Limit limits the rotation around the swing axis (green axis). The limit angle is symmetric. Thus a value of eg. 30 will limit the rotation between -30 and 30.

擺軸限制1限制了繞擺軸的旋轉（綠軸）。對擺軸旋轉角度的限制是對稱的，因此如設置擺軸1的限制角度為30則表示擺軸1的旋轉被限制在-30和30之間。

The Swing 2 Limit axis doesn't have a gizmo but the axis is orthogonal to the 2 other axes. Just like the previous axis the limit is symmetric, thus a value of eg. 40 will limit the rotation around that axis between -40 and 40 degrees.

擺軸限制2沒有gizmo輔以顯示，此軸垂直于與扭軸和擺軸1。與擺軸1相同，對擺軸2旋轉角度的限制也是對稱的，因此如設置擺軸2的限制角度為40則表示擺軸2的旋轉被限制在-40和40之間。

Breaking joints 斷開關節(jié)

You can use the Break Force and Break Torque properties to set limits for the joint's strength. If these are less than infinity, and a force/torque greater than these limits are applied to the object, its Fixed Joint will be destroyed and will no longer be confined by its restraints.

通過設置斷開力和斷開扭矩屬性可以限制關節(jié)的強度。如斷開力和斷開扭矩小于無窮大，并且有大于斷開力和斷開扭矩限制的力或力矩作用于物體，其固定的關節(jié)鏈接將被摧毀并不再受限于相應的約束。

Hints 提示

• You do not need to assign a Connected Body to your joint for it to work.
  即使沒有設置與關節(jié)相鏈的肢體，關節(jié)也可以工作
• Character Joints require your object to have a Rigidbody attached.
  角色關節(jié)組建需要物體有附著的剛體組件