Python项目源码19_实现3D建模工具.rar

from OpenGL.GL import * from OpenGL.GLU import * from OpenGL.GLUT import * dX = 0.0 dY = 0.0 alphaX = 0.0 alphaY = 0.0 alphaZ = 0.0 sf = 0.0 def init(): glMatrixMode(GL_PROJECTION) glLoadIdentity() glOrtho(-4.0 * 64 / 48.0, 4.0 * 64 / 48, -4.0, 4.0, 0.0, 10) glMatrixMode(GL_MODELVIEW) glLoadIdentity() gluLookAt(4.0, 2.0, 4.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0) glViewport(0, 0, 640, 480) def axis(length): glPushMatrix() glBegin(GL_LINES) glVertex3d(0, 0, 0) glVertex3d(0, 0, length) glEnd() glTranslated(0, 0, length - 0.2) glutWireCone(0.04, 0.2, 12, 9) glPopMatrix() def displayWire(): glClear(GL_COLOR_BUFFER_BIT) glClearColor(0.0, 0.0, 0.0, 0.0) glPushMatrix() glTranslated(0.0, 0.0, 0.0) glRotated(alphaY, 0.0, 1.0, 0.0) glRotated(alphaX, 1.0, 0.0, 0.0) glRotated(alphaZ, 0.0, 0.0, 1.0) glTranslated(dY, 0.0, 1.0) glTranslated(dX, 1.0, 0.0) glPushMatrix() glColor3d(0.0, 0.0, 1.0) axis(2.0) glRasterPos3f(0.0, 0.0, 2.3) glRotated(-90, 1.0, 0.0, 0.0) glColor3d(0.0, 1.0, 0.0) axis(2.0) glRasterPos3f(0.0, 0.0, 2.3) glColor3d(1.0, 0.0, 0.0) glRotated(90, 0.0, 1.0, 0.0) axis(2.0) glRasterPos3f(0.0, 0.0, 2.3) glPopMatrix() glColor3d(1.0, 1.0, 0.0) glScaled(1.5, 1.5, 1.5) glPushMatrix() glColor3d(1.0, 1.0, 1.0) glTranslated(0.0, 1.5, 0.0) glScaled(1 + sf, 1 + sf, 1 + sf) glRotated(360, 0, 1, 0) glutWireSphere(0.35, 30, 30) glPopMatrix() glPushMatrix() glColor3d(1.0, 1.0, 0.0) glRotated(120, 0, 1, 0) glScaled(1 + sf, 1 + sf, 1 + sf) glTranslated(0.0, 0.5, 1.0) glutWireCube(0.35) glPopMatrix() glPushMatrix() glColor3d(0.0, 1.0, 1.0) glRotated(290, 0, 1, 0) glScaled(1 + sf, 1 + sf, 1 + sf) glTranslated(0.0, 0.5, 1.0) glutWireCube(0.35) glPopMatrix() glPushMatrix() glColor3d(1.0, 0.0, 1.0) glTranslated(0.0, 0.0, 0.0) glScaled(1 + sf, 1 + sf, 1 + sf) glRotated(-90.0, 1, 0, 0) qobj = gluNewQuadric() gluQuadricDrawStyle(qobj, GLU_LINE) gluCylinder(qobj, 0.50, 0.50, 0.80, 30, 30) glPopMatrix() glPopMatrix() glutSwapBuffers() def mySpecialKey(key, x, y): if (key == GLUT_KEY_RIGHT): global alphaX alphaX += 5.0 if (key == GLUT_KEY_LEFT): global alphaZ alphaZ -= 5.0 if (key == GLUT_KEY_UP): global alphaY alphaY += 5.0 if (key == GLUT_KEY_DOWN): global alphaY alphaY -= 5.0 glutPostRedisplay() def keyboard(key, x, y): if key == 'a': global dY dY += 0.5 glutPostRedisplay() if __name__ == '__main__': glutInit() glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB) glutInitWindowSize(640, 640) glutInitWindowPosition(100, 100) glutCreateWindow("a") glutDisplayFunc(displayWire) glutSpecialFunc(mySpecialKey) glutKeyboardFunc(keyboard) init() glutMainLoop()