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2008-10-13 16:12:18
游戏里经常会用到物理模拟(当然，牛人又在说，我要自己写个了，不过好像连HL2的物理都是买的)，ODE可能是个比较好的选择，开源，而且效率也不低，一般的应用足够了。
OPAL是ODE的一个封装，这次的RELEASE的一个例子是用ogre来渲染的
Purpose
OPAL is a high-level interface for low-level physics engines used in games, robotics simulations, and other 3D applications. Features a simple C++ API, intuitive objects (e.g. Solids, Joints, Motors, Sensors), and XML-based file storage for complex objects.
News
Supported Physics Engines
Current Features
o Boxes
o Spheres
o Capsules (i.e. capped cylinders)
o Planes
o Hinge joints (one rotational degree of freedom)
o Universal joints (two rotational degrees of freedom)
o Ball joints (three rotational degrees of freedom)
o Wheel joints (two rotational degrees of freedom)
o Slider joints (i.e. prismatic joints; one translational degree of freedom)
o Fixed joints (zero degrees of freedom)
o Attractor motors (provide gravitational attraction between two objects)
o Geared motors (simplified automobile engines)
o Servo motors (use limited torque to achieve a desired angle or velocity; similar to PD/PID controllers)
o Spring motors (simple damped springs; pull objects to a desired position and/or orientation)
o Thruster motors (provide a constant force on an object)
o Acceleration sensors
o Incline sensors
o Raycast sensors
o Volume sensors
o Collision event handler (notified when objects collide)
o Joint break event handler (notified when a joint breaks)
o Post-step event handler (notified at the end of each time step)
Planned Features
