#include "stdafx.h"
#include "Windows.h"
#include "math.h"
#include "stdlib.h"
#include "gl/GL.h"
#include "gl/GLU.h"
#include "gl/glut.h"static int slices = 16;
static int stacks = 16;static void resize(int width, int height)
{const float ar = (float)width / (float)height;glViewport(0, 0, width, height);glMatrixMode(GL_PROJECTION);glLoadIdentity();glFrustum(-ar, ar, -1.0, 1.0, 2.0, 100.0);glMatrixMode(GL_MODELVIEW);glLoadIdentity();
}static void display()
{const double t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;const double a = t*90.0;glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);glColor3d(0, 1, 0);glPushMatrix();glTranslated(-2.4, 1.2, -6);glRotated(60, 1, 0, 0);glRotated(a, 0, 0, 1);glutSolidSphere(1, slices, stacks);//实心球glPopMatrix();glPushMatrix();glTranslated(0, 1.2, -6);glRotated(60, 1, 0, 0);glRotated(a, 0, 0, 1);glutSolidCone(1, 1, slices, stacks);//实心圆锥体glPopMatrix();glPushMatrix();glTranslated(2.4, 1.2, -6);glRotated(60, 1, 0, 0);glRotated(a, 0, 0, 1);glutSolidTorus(0.2, 0.8, slices, stacks);//实心圆环环glPopMatrix();glPushMatrix();glTranslated(-2.4, -1.2, -6);glRotated(60, 1, 0, 0);glRotated(a, 0, 0, 1);glutWireSphere(1, slices, stacks);//网格球体glPopMatrix();glPushMatrix();glTranslated(0, -1.2, -6);glRotated(60, 1, 0, 0);glRotated(a, 0, 0, 1);glutWireCone(1, 1, slices, stacks);//网格圆锥体glPopMatrix();glPushMatrix();glTranslated(2.4, -1.2, -6);glRotated(60, 1, 0, 0);glRotated(a, 0, 0, 1);glutWireTorus(0.2, 0.8, slices, stacks);//网格圆环glPopMatrix();glutSwapBuffers();
}static void key(unsigned char key, int x, int y)
{switch (key){case 27:case 'q':exit(0);break;case '+':slices++;stacks++;break;case '-':if (slices>3 && stacks>3){slices--;stacks--;}break;}glutPostRedisplay();
}static void idle()
{glutPostRedisplay();
}const GLfloat light_ambient[] = { 0.0f, 0.0f, 0.0f, 1.0f };
const GLfloat light_diffuse[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_position[] = { 2.0f, 5.0f, 5.0f, 0.0f };const GLfloat mat_ambient[] = { 0.7f, 0.7f, 0.7f, 1.0f };
const GLfloat mat_diffuse[] = { 0.8f, 0.8f, 0.8f, 1.0f };
const GLfloat mat_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat high_shininess[] = { 100.0f };/**//* Program entry point */int main(int argc, char *argv[])
{glutInit(&argc, argv);glutInitWindowSize(640, 480);glutInitWindowPosition(10, 10);glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);glutCreateWindow("FreeGLUT Shapes");glutReshapeFunc(resize);glutDisplayFunc(display);glutKeyboardFunc(key);glutIdleFunc(idle);glClearColor(1, 1, 1, 1);glEnable(GL_CULL_FACE);glCullFace(GL_BACK);glEnable(GL_DEPTH_TEST);glDepthFunc(GL_LESS);glEnable(GL_LIGHT0);glEnable(GL_NORMALIZE);glEnable(GL_COLOR_MATERIAL);glEnable(GL_LIGHTING);glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);glLightfv(GL_LIGHT0, GL_POSITION, light_position);glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);glutMainLoop();return EXIT_SUCCESS;
}