import sys, time, math, os, random
from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *

def drawSolidObjects():
    glPushMatrix()
    glRotatef(-90, 1, 0, 0)
    glColor4f(0.2, 1, 0.3, 1)
    gluDisk(quadric, 0, 10, 32, 1)
    glPopMatrix()
    glPushMatrix()
    glTranslatef(-3, 0, 0)
    glRotatef(-90, 1, 0, 0)
    glColor4f(0.6, 0.2, 0.1, 1)
    glutSolidCone(2, 4, 16, 1)
    glPopMatrix()
    glPushMatrix()
    glTranslatef(1, 0, -4)
    glRotatef(-90, 1, 0, 0)
    glColor4f(0.4, 0.2, 0.8, 1)
    glutSolidCone(2, 4, 16, 1)
    glPopMatrix()

def draw():
    glClearColor(0, 0.3, 0.5, 0)
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    gluPerspective(45, 1, 0.1, 100)
    glMatrixMode(GL_MODELVIEW)
    glLoadIdentity()
    glRotatef(10, 1, 0, 0)
    glTranslatef(0,-2,-10)

    drawSolidObjects()

    glEnable(GL_LIGHTING)
    glEnable(GL_LIGHT0)
    glLightfv(GL_LIGHT0, GL_DIFFUSE, [0,0,0, 0])
    glPushMatrix()
    glTranslatef(0,1,0)
    glEnable(GL_BLEND)
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
#    glColor4f(1, 1, 1, math.sin(time.time())/2.0 + 0.5)
    glMaterialfv(GL_FRONT, GL_DIFFUSE, [1, 1, 1, math.sin(time.time())/2.0 + 0.5])
    glutSolidTeapot(1)
    glDisable(GL_BLEND)
    glPopMatrix()
    glDisable(GL_LIGHTING)

    glutSwapBuffers()


def keyboard(key, x, y):
    if key == chr(27):
        sys.exit(0)

def specialkey(key,x,y):
    pass

def update(dummy):
    glutTimerFunc(16, update, 0)
    glutPostRedisplay()

glutInit([])
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH)
glutInitWindowSize(700,700)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutSpecialFunc(specialkey)
glutTimerFunc(1, update, 0)
quadric = gluNewQuadric()
glEnable(GL_DEPTH_TEST)
glutMainLoop()