PyOpenGL做曲面

来源：互联网发布：golang 2.0教程编辑：程序博客网时间：2024/05/21 10:06
#encoding=utf8from OpenGL.GL import * from OpenGL.GLUT import * a=0ctrlPoints=[]ctrlPoints= [    [[-0.5,0.5,0],[0.5,0.5,0]],    [[-0.5,0,0.5],[0.5,0,0.5]],    [[-0.25,-0.5,0.25],[0.25,-0.5,0.25]]    ]ctrlPoints1= [    [[-0.5,0.5,0],[0.5,0.5,0]],    [[-0.5,0,0],[0.5,0,0]],    [[-0.25,-0.5,0],[0.25,-0.5,0]]    ]ctrlPoints2= [    [[-0.5,0.5,0],[-0.5,0.5,0]],    [[-0.5,0,0],[-0.5,0,0.5]],    [[-0.25,-0.5,0],[-0.25,-0.5,0.25]]    ]ctrlPoints3= [    [[0.5,0.5,0],[0.5,0.5,0]],    [[0.5,0,0],[0.5,0,0.5]],    [[0.25,-0.5,0],[0.25,-0.5,0.25]]    ]ctrlPoints4= [    [[-0.25,-0.5,0.25],[-0.25,-0.5,0]],    [[0,-0.5,0.25],[0,-0.5,0]],    [[0.25,-0.5,0.25],[0.25,-0.5,0]]    ]xaxis=0.0yaxis=0.0zaxis=0.0def keyboard(key, w, h):    global xaxis,yaxis,zaxis    if (key=='x'):        glRotatef(10, 1, 0, 0)    if (key=='y'):        glRotatef(10, 0, 1, 0)    if (key=='z'):        glRotatef(10, 0, 0, 1)def RenderScene():    glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)    glColor3f(0.0, 0.0, 0.0)    glPushMatrix()    glEnable(GL_MAP2_VERTEX_3)    glMap2f(GL_MAP2_VERTEX_3, 0, 10, 0, 10, ctrlPoints)    glMapGrid2f(10, 0.0, 10.0, 10, 0.0, 10.0)    glEvalMesh2(GL_FILL, 0, 10, 0, 10)    glEnable(GL_MAP2_VERTEX_3)    glMap2f(GL_MAP2_VERTEX_3, 0, 10, 0, 10, ctrlPoints1)    glMapGrid2f(10, 0.0, 10.0, 10, 0.0, 10.0)    glEvalMesh2(GL_FILL, 0, 10, 0, 10)    glEnable(GL_MAP2_VERTEX_3)    glMap2f(GL_MAP2_VERTEX_3, 0, 10, 0, 10, ctrlPoints2)    glMapGrid2f(10, 0.0, 10.0, 10, 0.0, 10.0)    glEvalMesh2(GL_FILL, 0, 10, 0, 10)    glEnable(GL_MAP2_VERTEX_3)    glMap2f(GL_MAP2_VERTEX_3, 0, 10, 0, 10, ctrlPoints3)    glMapGrid2f(10, 0.0, 10.0, 10, 0.0, 10.0)    glEvalMesh2(GL_FILL, 0, 10, 0, 10)    glEnable(GL_MAP2_VERTEX_3)    glMap2f(GL_MAP2_VERTEX_3, 0, 10, 0, 10, ctrlPoints4)    glMapGrid2f(10, 0.0, 10.0, 10, 0.0, 10.0)    glEvalMesh2(GL_FILL, 0, 10, 0, 10)    glFlush()    glPopMatrix()    glutSwapBuffers()glutInit()glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE)glutInitWindowPosition(100, 100)glutInitWindowSize(400, 400)glutCreateWindow("HiddenStrawberry")mat_ambient= [0.5,0.0,1.0,0.5]mat_diffuse= [1.0,0.6,1.0,1.0]mat_specular= [1.0,1.0,1.0,1.0]light_ambient= [0.1,0.1,0.1,1.0]light_diffuse= [1.0,1.0,1.0,0.0]light_specular= [0.5,1.0,1.0,0.0]light_position= [-2.0,-5.0,-5.0,1.0]glMaterialfv(GL_FRONT,GL_AMBIENT,mat_ambient)glMaterialfv(GL_FRONT,GL_DIFFUSE,mat_diffuse)glMaterialfv(GL_FRONT,GL_SPECULAR,mat_specular)glMaterialf(GL_FRONT,GL_SHININESS,60.0)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)glEnable(GL_LIGHTING)glEnable(GL_LIGHT0)glEnable(GL_DEPTH_TEST)glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA)glHint(GL_LINE_SMOOTH_HINT,GL_DONT_CARE)glEnable(GL_BLEND)glEnable(GL_AUTO_NORMAL)glEnable(GL_NORMALIZE)glFrontFace(GL_CW)glShadeModel(GL_SMOOTH)glEnable(GL_LINE_SMOOTH)glutDisplayFunc(RenderScene)glutIdleFunc(RenderScene)glutKeyboardFunc(keyboard)glutMainLoop()
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