#
# functions
#   pmb 10/1/02

from visual import *

# functions let you take some code that gets executed a lot
# and just write it once

def turnRed ( obj ):
    obj.color = color.red
    return
def turnYellow (obj):
    obj.color= color.yellow
    return color.yellow

ball = sphere ( pos= (3,0,0,) )
cube = box ( pos=(-3,0,0 ) )

while 1:
    # wait for mouse click
    if scene.mouse.clicked:
        # get the click- without this it never gets unclicked
        click = scene.mouse.getclick()
        
        # what got clicked?
        if scene.mouse.pick == ball:
            print "ball was clicked"
            turnRed(ball)

        # same for cube; elif is really else if    
        elif scene.mouse.pick == cube:
            print "cube was clicked"
            if ( cube.color == color.red ):
                print "cube is ",turnYellow( cube )
            else:
                turnRed(cube)