OpenGL——三维多面体实现

#include<iostream>

#include <math.h>

#include<Windows.h>

#include <GL/glut.h>

using namespace std;

GLsizei winWidth = , winHeight = ;

void init()

{

    glClearColor(1.0, 1.0, 1.0, 0.0);

}

void displayWirePolyhedra()

{

    glClear(GL_COLOR_BUFFER_BIT);

    glColor3f(0.0, 0.0, 1.0);

    gluLookAt(5.0, 5.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);

    glScalef(1.5, 2.0, 1.0);

    glutWireCube(1.0);

    glScalef(0.8, 0.5, 0.8);

    glTranslatef(-6.0, -5.0, 0.0);

    glutWireDodecahedron();

    glTranslatef(8.6, 8.6, 2.0);

    glutWireTetrahedron();

    glTranslatef(-3.0, -1.0, 0.0);

    glutWireOctahedron();

    glScalef(0.8, 0.8, 1.0);

    glTranslatef(4.3, -2.0, 0.5);

    glutWireIcosahedron();

    glFlush();

}

void winReshapeFcn(GLint newWidth, GLint newHeight)

{

    glViewport(, , newWidth, newHeight);

    glMatrixMode(GL_PROJECTION);

    glFrustum(-1.0, 1.0, -1.0, 1.0, 2.0, 20.0);

    glMatrixMode(GL_MODELVIEW);

    glClear(GL_COLOR_BUFFER_BIT);

}

int main(int argc, char* argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE);

    glutInitWindowPosition(, );

    glutInitWindowSize(winWidth, winHeight);

    glutCreateWindow("立方体");

    init();

    glutDisplayFunc(displayWirePolyhedra);

    glutReshapeFunc(winReshapeFcn);

    glutMainLoop();

    system("pause");

    return ;

}

运行结果：