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PhysX 的物理不仅仅是 eye-candy 的粒子变化效果,也包括了墙壁碎裂等直接影响 gameplay 的物理效果:
http://www.nvidia.com/object/physx_faq.html
Currently, most of the action is limited to pre-scripted or ‘canned' animations triggered by in-game events like a gun shot striking a wall. Even the most powerful weapons can leave little more than a smudge on the thinnest of walls; and every opponent you take out, falls in the same pre-determined fashion. Players are left with a game that looks fine, but is missing the sense of realism necessary to make the experience truly immersive.
http://developer.nvidia.com/object/physx_features.html
从实现的效果上,PhysX 和 Havok 不会有什什么差别,差别在于能用到什么程度,在 CPU-only 的情况下,它们是一样的,但是如果是有其他处理器加速的话,具备加速的一方可以有更多的资源来实现更复杂的效果。
NVIDIA 现在有一个叫 APEX 的东西,能够做到动态的判断资源富裕度而决定效果的复杂度。 |
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