//光标在控件不同位置时的样式 // 由于拐角这点手动精确实在困难 所以用范围 范围+3 这样很容易就找到这一点了 procedure CtrlMouseMove(Ctrl: TWinControl; Shift: TShiftState;X, Y: Integer); begin with Ctrl do begin ) ) then begin ) ) then Cursor := crSizeNWSE; ) ) then Cursor := cRsizewe; ) and (Y <= He
在<Real Time Rendering, third edition>一书中,作者把描边算法分成了5种类型.1.基于观察角度与表面法线的轮廓渲染.缺点很明显.2.过程式几何轮廓渲染.即先渲染背面,通过顶点压平等手段,渲染轮廓线,之后渲染正面.优点:快速有效,适合大多数模型,缺点:不合适和立方体之类的平整模型.3.基于图像处理的轮廓线渲染.通过边缘监测来判断轮廓.4.基于轮廓检测的轮廓线渲染.同时监测相邻的2个面法线值得正负是否相反.5.以上方法结合.除此之外还有:6.沿法线方向放大模型(v
Buy Tickets Time Limit: 4000MS Memory Limit: 65536K Total Submissions: 15533 Accepted: 7759 Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue- The Lunar New Year wa