W.zip_opengl

#include<GL/glut.h> #define WIDTH 400 #define HEIGHT 400 static GLfloat angle = 0.0f; void myDisplay() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //创建透视效果视图 glMatrixMode(GL_PROJECTION); //操作投影矩阵 glLoadIdentity(); //当前矩阵设置为单位矩阵 gluPerspective(90.0f, 1.0f,1.0f,20.0f); //得到透视效果 glMatrixMode(GL_MODELVIEW); //操作“模型视图”矩阵 glLoadIdentity(); gluLookAt(0.0,0.0,-10.0,0.0,0.0,0.0,0.0,1.0,0.0); //定义太阳光源，它是一种白色光源 { GLfloat sun_light_position[] = {0.0f,0.0f,0.0f,1.0f}; GLfloat sun_light_ambient[] = {0.0f,0.0f,0.0f,1.0f}; GLfloat sun_light_diffuse[] = {1.0f,1.0f,1.0f,1.0f}; GLfloat sun_light_specular[] = {1.0f,1.0f,1.0f,1.0f}; glLightfv(GL_LIGHT0, GL_POSITION, sun_light_position); glLightfv(GL_LIGHT0, GL_AMBIENT, sun_light_ambient); glLightfv(GL_LIGHT0, GL_DIFFUSE, sun_light_diffuse); glLightfv(GL_LIGHT0, GL_SPECULAR, sun_light_specular); glEnable(GL_LIGHT0); glEnable(GL_LIGHTING); glEnable(GL_DEPTH_TEST); } //定义太阳的材质并绘制太阳 { GLfloat sun_mat_ambient[] = {0.0f,0.0f,0.0f,1.0f}; GLfloat sun_mat_diffuse[] = {0.0f,0.0f,0.0f,1.0f}; GLfloat sun_mat_specular[] = {0.0f,0.0f,0.0f,1.0f}; GLfloat sun_mat_emission[] = {0.5f,0.0f,0.0f,1.0f}; GLfloat sun_mat_shininess = 0.0f; glMaterialfv(GL_FRONT, GL_AMBIENT, sun_mat_ambient); //环境变量 glMaterialfv(GL_FRONT, GL_DIFFUSE, sun_mat_diffuse); //散射模式 glMaterialfv(GL_FRONT, GL_SPECULAR, sun_mat_specular); //镜面反射 glMaterialfv(GL_FRONT, GL_EMISSION, sun_mat_emission); //发射，散发喷射 glMaterialf(GL_FRONT, GL_SHININESS, sun_mat_shininess); glutSolidSphere(2.0,40,32); } //定义地球材质并绘制地球 { GLfloat earth_mat_ambient[] = {0.0f,0.0f,0.5f,1.0f}; GLfloat earth_mat_diffuse[] = {0.0f,0.0f,0.5f,1.0f}; GLfloat earth_mat_specular[] = {0.0f,0.0f,1.0f,1.0f}; GLfloat earth_mat_emission[] = {0.0f,0.0f,0.0f,1.0f}; GLfloat earth_mat_shininess = 30.0f; glMaterialfv(GL_FRONT, GL_AMBIENT, earth_mat_ambient); //环境变量 glMaterialfv(GL_FRONT, GL_DIFFUSE, earth_mat_diffuse); //散射模式 glMaterialfv(GL_FRONT, GL_SPECULAR, earth_mat_specular); //镜面反射 glMaterialfv(GL_FRONT, GL_EMISSION, earth_mat_emission); //发射，散发喷射 glMaterialf(GL_FRONT, GL_SHININESS, earth_mat_shininess); glRotatef(angle,0.0f,-1.0f,0.0f); glTranslatef(5.0f,0.0f,0.0f); glutSolidSphere(1.5,40,32); } glutSwapBuffers(); } void myIdle() { angle += 1.0f; if(angle >= 360.0f) angle = 0.0f; myDisplay(); } int main(int argc, char* argv[]) { glutInit(&argc, argv); glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE); glutInitWindowPosition(200,200); glutInitWindowSize(WIDTH, HEIGHT); glutCreateWindow("opengl光照演示"); glutDisplayFunc(&myDisplay); glutIdleFunc(&myIdle); //回调 glutMainLoop(); return 0; }