随笔分类 -  技术积累

空间分割二叉树
摘要:空间分割二叉树BSP(Binary Space Partioning trees) 这在计算机图形学里好像是很经典的检测算法,我这两天一直在想,有两个问题 (1)如果分割平面穿过场景中的某个物体,如何处理 (2)如何使生成的二叉树最接近平衡二叉树 阅读全文
posted @ 2008-03-24 23:03 达则兼济天下 阅读(654) 评论(0) 推荐(0)
Are You Living In a Computer Simulation?
摘要:http://www.simulation-argument.com/ http://www.simulation-argument.com/simulation.html ABSTRACT This paper argues that at least one of the following propositions is true: (1) the human spec... 阅读全文
posted @ 2007-10-08 16:50 达则兼济天下 阅读(492) 评论(0) 推荐(0)
An Example of OpenHaptics Application
摘要:This is an example in the Sample Source Code Guide. Description: This example demonstrates dragging 3D objects with constraints. It displays a group of objects. When the user touches one and ... 阅读全文
posted @ 2007-10-08 09:34 达则兼济天下 阅读(1055) 评论(1) 推荐(0)
Virtools学习(七)—2D Picking
摘要:这个功能比较重要,游戏中的托拽经常要用到,例如,棋类游戏中让棋子走到鼠标指定的位置,还有做模拟城市的游戏中,玩家会将自己选择的建筑物或者植物托拽到某个特定的位置。 In: triggers the process. True: is activated when the ray intersects an object or a sprite. False: is activated when... 阅读全文
posted @ 2007-10-06 21:02 达则兼济天下 阅读(713) 评论(0) 推荐(0)