openGL绘制小汽车

 
#include   
#include"gl.h" 
#include"glut.h"
#include   
static GLfloat xRot = 0.0f;
static GLfloat yRot = 0.0f;
void Display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(xRot, 1.0f, 0.0f, 0.0f);  //绕x轴旋转  
glRotatef(yRot, 0.0f, 1.0f, 0.0f);  //绕y轴旋转  
//车下半部  
glBegin(GL_POLYGON);
glColor3f(0.1, 0.1, 0.8);
glVertex3f(-40.0f, 0.0f, 15.0f);
glVertex3f(40.0f, 0.0f, 15.0f);
glColor3f(1, 0.5, 0.8);
glVertex3f(40.0f, -15.0f, 15.0f);
glVertex3f(-40.0f, -15.0f, 15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.3, 0.2, 0.5);
glVertex3f(40.0f, 0.0f, -15.0f);
glVertex3f(40.0f, 0.0f, 15.0f);
glVertex3f(40.0f, -15.0f, 15.0f);
glVertex3f(40.0f, -15.0f, -15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.3, 0.1, 0.3);
glVertex3f(-40.0f, 0.0f, -15.0f);
glVertex3f(-40.0f, 0.0f, 15.0f);
glVertex3f(-40.0f, -15.0f, 15.0f);
glVertex3f(-40.0f, -15.0f, -15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.1, 0.1, 0.8);
glVertex3f(-40.0f, 0.0f, -15.0f);
glVertex3f(40.0f, 0.0f, -15.0f);
glColor3f(1, 0.5, 0.8);
glVertex3f(40.0f, -15.0f, -15.0f);
glVertex3f(-40.0f, -15.0f, -15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0, 0, 1);
glVertex3f(-40.0f, 0.0f, 15.0f);
glVertex3f(-40.0f, 0.0f, -15.0f);
glVertex3f(40.0f, 0.0f, -15.0f);
glVertex3f(40.0f, 0.0f, 15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.8, 0.5, 0.2);
glVertex3f(-40.0f, -15.0f, 15.0f);
glVertex3f(-40.0f, -15.0f, -15.0f);
glVertex3f(40.0f, -15.0f, -15.0f);
glVertex3f(40.0f, -15.0f, 15.0f);
glEnd();
//车上半部  
glBegin(GL_POLYGON);
glColor3f(0, 0, 1);
glVertex3f(-20.0f, 0.0f, 15.0f);
glVertex3f(-10.0f, 10.0f, 15.0f);
glVertex3f(20.0f, 10.0f, 15.0f);
glVertex3f(25.0f, 0.0f, 15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0, 0, 1);
glVertex3f(-20.0f, 0.0f, -15.0f);
glVertex3f(-10.0f, 10.0f, -15.0f);
glVertex3f(20.0f, 10.0f, -15.0f);
glVertex3f(25.0f, 0.0f, -15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0, 1, 1);
glVertex3f(-10.0f, 10.0f, 15.0f);
glVertex3f(-10.0f, 10.0f, -15.0f);
glVertex3f(20.0f, 10.0f, -15.0f);
glVertex3f(20.0f, 10.0f, 15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.5, 0.8, 0.8);
glVertex3f(-10.0f, 10.0f, 15.0f);
glVertex3f(-20.0f, 0.0f, 15.0f);
glVertex3f(-20.0f, 0.0f, -15.0f);
glVertex3f(-10.0f, 10.0f, -15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0, 0.5, 0.5);
glVertex3f(20.0f, 10.0f, 15.0f);
glVertex3f(20.0f, 10.0f, -15.0f);
glVertex3f(25.0f, 0.0f, -15.0f);
glVertex3f(25.0f, 0.0f, 15.0f);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0, 0, 1);
glVertex3f(-30.0f, -15.0f, 15.0f);
glVertex3f(-30.0f, -15.0f, -15.0f);
glVertex3f(30.0f, -15.0f, -15.0f);
glVertex3f(30.0f, -15.0f, 15.0f);
glEnd();
//车轮  
glColor3f(1, 0, 0);
glTranslated(-20.0f, -15.0f, 15.0f);
glutSolidTorus(2, 5, 5, 100);
glTranslated(0.0f, 0.0f, -30.0f);
glutSolidTorus(2, 5, 5, 100);
glTranslated(45.0f, 0.0f, 0.0f);
glutSolidTorus(2, 5, 5, 100);
glTranslated(0.0f, 0.0f, 30.0f);
glutSolidTorus(2, 5, 5, 100);
glPopMatrix();
glutSwapBuffers();   //交换缓冲  
}
//定义键盘控制函数  
void SpecialKeys(int key, int x, int y)
{
if (key == GLUT_KEY_UP)      xRot -= 5.0f;
if (key == GLUT_KEY_DOWN)    xRot += 5.0f;
if (key == GLUT_KEY_LEFT)    yRot -= 5.0f;
if (key == GLUT_KEY_RIGHT)   yRot += 5.0f;
glutPostRedisplay(); // 刷新窗口  
}
int main(int argc, char* argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutCreateWindow("车");
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glEnable(GL_DEPTH_TEST);
glShadeModel(GL_SMOOTH);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-100, 100, -100, 100, -100, 100);
glutSpecialFunc(SpecialKeys);  //注册功能键回调函数  
glutDisplayFunc(Display);
glutMainLoop();
return 0;
}