摘要:
今天,用opengl实现bezier曲线的绘制,但是当我将控制点增加到九个的时候,程序死活绘制不出图像。后来经过一番折腾,终于知道,是xp系统的问题,程序在win7上可以正常运行。下面我附上我的主要程序第一段是利用glEvalCoord1f()函数先生成离散点,然后用直线链接。 glShadeModel(GL_FLAT); glColor3f(1.0,0.0,0.0); GLfloat controlPoint[9][3] = { {-1.0f,0.0f,0.0f},{-0.75f,0.707f,0.0f},{-0.5f,1.0f,0.0f}, {-0.25f,0.707f,0.0f... 阅读全文