openGL三维图形xyz轴旋转与平移.doc

#include static GLfloat angle = 0.0; static GLfloat movex = 0.0; static GLfloat movey = 0.0; static GLfloat len = 1.0; static GLint x=0.0,y=0.0,z=0.0; static void init() glClearColor(1.0, 1.0, 1.0, 0.0); void display() glClear(GL_COLOR_BUFFER_BIT); glColor3f(0.0, 1.0, 1.0); glPushMatrix(); glTranslatef(movex, movey, 0.0); glScalef( len, len, len ); glRotatef(angle, x,y, z); glutWireSphere(40, 16, 16); glPopMatrix(); glFlush(); void moveright() movex+=10.0; if (movex100.0) movex=0.0; glutPostRedisplay(); void moveleft() movex-=10.0; if (movex100.0) movey=0.0; glutPostRedisplay(); void movedown() movey-=10.0; if (movey10.0) len=10.0; glutPostRedisplay(); void shrink() len-=0.1; if (len=360.0) angle=0.0; glutPostRedisplay(); void rotatey() z=0.0;y=1.0;x=0.0; angle+=20.0; if (angle=360.0) angle=0.0; glutPostRedisplay(); void rotatex() z=0.0;x=1.0;y=0.0; angle+=20.0; if (angle=360.0) angle=0.0; glutPostRedisplay(); void reshape(GLsizei w, GLsizei h) glViewport(0, 0, w, h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-100.0, 100.0, -100.0, 100.0, 0.0, 100.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); void specialKeyFunc( int key, int x, int y) switch(key) case GLUT_KEY_LEFT: moveleft(); break; case GLUT_KEY_RIGHT: moveright(); break; case GLUT_KEY_UP: moveup(); break; case GLUT_KEY_DOWN: movedown(); break; case GLUT_KEY_F1: zoom(); break; case GLUT_KEY_F2: shrink(); break; case GLUT_KEY_F7: rotatez(); break; case GLUT_KEY_F6: rotatey(); break; case GLUT_KEY_F5: rotatex(); break; default: break; void main() glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB); glutInitWindowPosition(50, 100); glutInitWindowSize(550, 600); glutCreateWindow(三维图形的旋转与平移); glutSpecialFunc(spec