zuobiaoxi.rar_pop

#include <GL/glut.h> #include <math.h> #include <stdio.h> static float c=3.14/180.0f; static int du=90,oldmy=-1,oldmx=-1; static float r=1.5f,h=0.0f; static float PI = 3.14; void display(void) { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glLoadIdentity(); gluLookAt(r*cos(c*du), h, r*sin(c*du), 0, 0, 0, 0, 1, 0); glBegin(GL_LINES); glColor3f(1.0,1.0,0.0); glVertex3f(0.0,0.0,0.0); glVertex3f(0.5,0.0,0.0); glEnd(); glBegin(GL_LINES); glColor3f(1.0,0.0,1.0); glVertex3f(0.0,0.0,0.0); glVertex3f(0.0,0.5,0.0); glEnd(); glBegin(GL_LINES); glColor3f(0.0,1.0,1.0); glVertex3f(0.0,0.0,0.0); glVertex3f(0.0,0.0,0.5); glEnd(); GLUquadric *qobj = gluNewQuadric(); //绘制二次曲面 glPushMatrix(); glTranslatef(0.0, 0.0, 0.5); gluCylinder(qobj,0.02,0,0.05,30,30); glPopMatrix(); glPushMatrix(); glColor3f(1.0,0.0,1.0); glRotatef(270,1.0,0.0,0.0); glTranslatef(0.0, 0.0, 0.5); gluCylinder(qobj,0.02,0,0.05,30,30); glPopMatrix(); glPushMatrix(); glColor3f(1.0,1.0,0.0); glRotatef(90,0.0,1.0,0.0); glTranslatef(0.0, 0.0, 0.5); gluCylinder(qobj,0.02,0,0.05,30,30); glPopMatrix(); gluDeleteQuadric(qobj); glFlush(); glutSwapBuffers(); } void Mouse(int button, int state, int x, int y) { if(state==GLUT_DOWN) oldmx=x,oldmy=y; } void onMouseMove(int x,int y) { du+=x-oldmx; h +=0.03f*(y-oldmy); if(h>1.0f) h=1.0f; else if(h<-1.0f) h=-1.0f; oldmx=x,oldmy=y; } void init() { glEnable(GL_DEPTH_TEST); } void reshape(int w,int h) { glViewport( 0, 0, w, h ); glMatrixMode( GL_PROJECTION ); glLoadIdentity(); gluPerspective(75.0f, (float)w/h, 1.0f, 1000.0f); glMatrixMode( GL_MODELVIEW ); } int main(int argc, char *argv[]) { glutInit(&argc, argv); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); glutInitWindowPosition(100, 100); glutInitWindowSize(400, 400); glutCreateWindow("陶文健20091620123"); init(); glutReshapeFunc( reshape ); glutDisplayFunc(display); glutIdleFunc(display); glutMouseFunc(Mouse); glutMotionFunc(onMouseMove); glutMainLoop(); return 0; }