SpeedBoy007的专栏

Shape Coordinates Posted on March 25, 2012 Keep in mind that a shape does not know about bodies and stand apart from the dynamics system. Shapes are stored in a compact form that is optimized for si

The best way to use SSE is to use the __m128 intrinsic directly. Unfortunately Visual Studio displays the values backwards (w,z,y,x). Bleh. Here is a change to autoexp.dat to correct the order. Fir

Box2D使用MKS（米，千克，秒）的单位和弧度的角度。你或许有很多麻烦在使用米单位的时候，因为你的游戏用的是像素单位。为了解决这个问题我们在testbed平台上，我以米为单位计算，然后使用一个OpenGL视口变换到屏幕空间来缩放世界坐标。 float lowerX = -25.0f, upperX = 25.0f, lowerY = -5.0f, upperY = 25.0f; gl