ml_arcTracer.py 文件源码

def ui():
    '''
    User interface for arc tracer
    '''

    globalScale = 1
    if mc.optionVar(exists='ml_arcTracer_brushGlobalScale'):
        globalScale = mc.optionVar(query='ml_arcTracer_brushGlobalScale')       

    with utl.MlUi('ml_arcTracer', 'Arc Tracer', width=400, height=180, info='''Select objects to trace.
Choose camera space or worldspace arc.
Press clear to delete the arcs, or retrace to redo the last arc.''') as win:

        win.buttonWithPopup(label='Trace Camera', command=traceCamera, annotation='Trace an arc as an overlay over the current camera.', 
                            shelfLabel='cam', shelfIcon='flowPathObj')#motionTrail
        win.buttonWithPopup(label='Trace World', command=traceWorld, annotation='Trace an arc in world space.', 
                            shelfLabel='world', shelfIcon='flowPathObj')
        win.buttonWithPopup(label='Retrace Previous', command=retraceArc, annotation='Retrace the previously traced arc.', 
                            shelfLabel='retrace', shelfIcon='flowPathObj')
        win.buttonWithPopup(label='Clear Arcs', command=clearArcs, annotation='Clear all arcs.', 
                            shelfLabel='clear', shelfIcon='flowPathObj')
        fsg = mc.floatSliderGrp( label='Line Width', minValue=0.1, maxValue=5, value=globalScale)
        mc.floatSliderGrp(fsg, edit=True, dragCommand=partial(setLineWidthCallback, fsg))