draw.py 文件源码

def setup():
    global init
    if init:
        return
    init = True

    view_matrix = workplane.data.get_view_matrix()

    zero = Matrix()
    zero.zero()

    #print(view_matrix)

    if view_matrix != zero:
        #print("found matrix display")        
        global matrix
        matrix = view_matrix 

        enable()


    #print ("setup done")