游戏引擎的作用是什么？现在有哪些引擎？引擎不同画面有哪些区别？求高手指点
好的加分
推荐回答（2个）
引擎的作用，从建模、动画到光影、粒子特效，从物理系统、碰撞检测到文件管理、网络特性，还有专业的编辑工具和插件，几乎涵盖了开发过程中的所有重要环节，就像汽车引擎对汽车的重要性，没引擎就没游戏
引擎有太多了 现在主流是3D国外的不说了，就连国内搜狐 完美 都有自己研发的引擎。
引擎不同差距会很大 就像第一点他的作用一样 光影是否真实 水面倒影，支持多边形模型、动画和粒子特效，太复杂了
BigWorld公司的BigWorld引擎。
Emergent公司的Gamebryo引擎。
EPIC公司的虚幻引擎、虚幻2引擎、虚幻3引擎、虚幻4引擎。
Crytek公司的Cry Engine 1引擎、Cry Engine 2引擎和Cry Engine 3引擎。（孤岛危机系列、战争前线等）
Garage Games公司的Torque 3D引擎。
Hero公司的Hero Engine引擎。
北京目标软件公司的OverMax引擎。
Quantumas引擎(国人开发,超越虚幻3)
EA DICE的寒霜引擎、寒霜2引擎、寒霜3引擎。（战地系列游戏作品就是采用此引擎）
Valve公司的Source Engine（起源引擎）
Infinity Ward工作室的IW 引擎。（其中有IW 2.0、IW 3.0、IW 4.0、IW 5.0版本，著名的使命召唤系列游戏作品就是采用此引擎，中文译名无尽引擎）
幻影游戏引擎（国产，支持PC、IOS、Android的3D和2D游戏开发，也可以支持Web2D），支持程序语言：C++、Lua、VB、C#、易语言、Objective C、javascript。
搜狐畅游公司的黑火引擎
完美世界公司的Athena引擎
像物理效果 地板纹理画质 倒影 有不同的风格 和逼真程度 不同的玩家 投其所好
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