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1、《计算机图形学》综合设计报告M/m的制作院系：信息科学技术学院专业：计算机科学与技术班级：报告人：**********学号：****************指导教师：*****************2011年11月3日一．设计思路记得老师曾说，对于计算机图形这么课而言，绘制任何一种图形的关键就在于取点。就我感觉，所有图形的制作，大致思路都是相同的。对于那些代码和函数大多数都可以从教材或其他方面得到，我们所需要做的就是把握住核心。经过老师的指点之后，我知道了怎样才能画出一个具有立体感觉的图形。主要思路：所有点都取为空间中的点，首先在xoy平面上画出所
2、需图形，而后把所有点的纵坐标沿z轴向后推几个单位即可。在更个设计过程中，我用的是取四个点画矩形的方法。这样看来，对于M和m的制作就变得很简单了。对M而言，只画了四个矩形。而对于m，上半部分是两个半圆的叠加，下半部分是三个矩形。二．具体实现代码M的实现过程：1.取点GLfloatvertices[20][3]={{-0.3,-0.15,0},{-0.3,0.35,0},{-0.2,0.35,0},{-0.2,-0.15,0},{-0.1,0,0},{0,0,0},{0.1,0.35,0},{0.2,0.35,0},{0.2,-0.15,0},{0.1,
3、-0.15,0},{-0.3,-0.15,0.2},{-0.3,0.35,0.2},{-0.2,0.35,0.2},{-0.2,-0.15,0.2},{-0.1,0,0.2},{0,0,0.2},{0.1,0.35,0.2},{0.2,0.35,0.2},{0.2,-0.15,0.2},{0.1,-0.15,0.2}}Xoy面上画四个矩形构成MglColor3f(0.4,0.5,0.4);//颜色glBegin(GL_POLYGON);glVertex3fv(vertices[0]);glVertex3fv(vertices[1]);glVertex
4、3fv(vertices[2]);glVertex3fv(vertices[3]);glEnd();glColor3f(0.6,0.5,0.6);glBegin(GL_POLYGON);glVertex3fv(vertices[2]);glVertex3fv(vertices[1]);glVertex3fv(vertices[4]);glVertex3fv(vertices[5]);glEnd();glColor3f(0.6,0.8,0.6);glBegin(GL_POLYGON);glVertex3fv(vertices[5]);glVertex3
5、fv(vertices[4]);glVertex3fv(vertices[6]);glVertex3fv(vertices[7]);glEnd();glColor3f(0.2,0.5,0.7);glBegin(GL_POLYGON);glVertex3fv(vertices[7]);glVertex3fv(vertices[6]);glVertex3fv(vertices[8]);glVertex3fv(vertices[9]);glEnd();1.把xoy面上的图形沿z轴后推0.2个单位glColor3f(0.4,0.5,0.4);glBegin(
6、GL_POLYGON);glVertex3fv(vertices[10]);glVertex3fv(vertices[11]);glVertex3fv(vertices[12]);glVertex3fv(vertices[13]);glEnd();glColor3f(0.6,0.5,0.6);glBegin(GL_POLYGON);glVertex3fv(vertices[12]);glVertex3fv(vertices[11]);glVertex3fv(vertices[14]);glVertex3fv(vertices[15]);glEnd()
7、;glColor3f(0.6,0.8,0.6);//颜色glBegin(GL_POLYGON);glVertex3fv(vertices[15]);glVertex3fv(vertices[14]);glVertex3fv(vertices[16]);glVertex3fv(vertices[17]);glEnd();glColor3f(0.2,0.5,0.7);glBegin(GL_POLYGON);glVertex3fv(vertices[17]);glVertex3fv(vertices[16]);glVertex3fv(vertices[18
8、]);glVertex3fv(vertices[19]);glEnd();1.填充侧面glColor3f(0
