scroll.py 文件源码

def chooseAction(yp, rc, bc):
    out = np.array(['move', 'false'])
    if rc[0]!=-1 and bc[0]!=-1:

        if distance(yp,rc)<50 and distance(yp,bc)<50 and distance(rc,bc)<50 :
            out[0] = 'drag'
            out[1] = 'true'
            return out
        elif distance(rc,bc)<40: 
            out[0] = 'left'
            return out
        elif distance(yp,rc)<40:    
            out[0] = 'right'
            return out
        elif distance(yp,rc)>40 and rc[1]-bc[1]>120:
            out[0] = 'down'
            return out  
        elif bc[1]-rc[1]>110:
            out[0] = 'up'
            return out
        else:
            return out

    else:
        out[0] = -1
        return out      

# Movement of cursor on screen, left click, right click,scroll up, scroll down
# and dragging actions are performed here based on value stored in 'action'.