Manual/PartVI/Physics
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Physics Engine
物理引擎
This part of the Material World panel determines the type of physical rules that govern the scene, and the gravity of the situation (sorry, couldn't resist the pun). Based on the physics engine selected, Blender will automatically move Actors in the downward (-z) location, without any computation by you. After you arrange the Actors and they move as you wish, you can then bake this computed motion into fixed IPO curves (see Logic->Actor->Dynamic for more info).
这一张主要讲解一下材质面板以及物理学规则，重力学．基础的物理引擎，Blender自动将＂演员＂（物体）向下移动(-z),我们无须计算，我们安排演员的工作以后，它才会按照我们的意愿移动，可以去使用IPO曲线计算运动．（见：logic->Dynamic for more info）. Physics: Blender offers the following types of Physics Engines: Sumo, Bullet, and None. 物理:blender可以使用以下引擎：Sumo,Bullet和None.
- Bullet: This engine calculates real things flying about and colliding into other real things. The things that collide transfer momentum to the collided object.
- Sumo: ?tbd? sumo wrestler physics where actors bounce off one another util they are bounced out of the ring
- None: no physics in use. Things are not affected by gravity and can fly about in a virtual space. Objects in motion stay in that motion.
- Bullet:这个引擎计算真实的物体之间飞行碰撞，碰撞物体将动量传给被碰撞物体.
- Sumo:(待决定)
- None:没有物理学应用，不受重力影响，可以在有效空间内飞行，物体在运动中静止运动．
Gravity: Use the slider to indicate the gravitational acceleration, in units of meters/second/second, of this world. Each object that is an actor has a mass and size slider (see Materials section). In conjunction with the frame rate (see Render section), Blender uses this info to calculate how fast the object should accelerate 'downward' (or 'spinward' on a ringworld).
重力: 使用slider重力加速度，单位是米／秒／秒， 在这个世界中，每一个物体都是一个有重量和尺寸的演员（see materials section).blender用用力计算物体下落的速度有多快．
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