import math

import core
from drawer.BaseDrawer import VentGraphDrawer


class FanLocalDrawer(VentGraphDrawer):


    def initialize_data(self):
        pass
    def draw_obj(self,center,route):
        
        rad = 0.5 * self.obj.width
        self.msp.add_circle(center=center, radius=rad, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
        a1 = center[0], center[1] + rad
        a2 = center[0], center[1] + rad * 3 / 2
        a3 = center[0] + rad * 1 / 2, center[1] + rad * 3 / 2

        a1 = core.rotate_point_around_another(a1, center, route)
        a2 = core.rotate_point_around_another(a2, center, route)
        a3 = core.rotate_point_around_another(a3, center, route)

        self.msp.add_line(a1, a2, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
        self.msp.add_line(a2, a3, dxfattribs={"layer": f"图层{self.obj.layer_id}"})


        a4 = core.rotate_point_around_another(a1, center, -2/3*math.pi)
        a5 = core.rotate_point_around_another(a2, center, -2/3*math.pi)
        a6 = core.rotate_point_around_another(a3, center, -2/3*math.pi)

        self.msp.add_line(a4, a5, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
        self.msp.add_line(a5, a6, dxfattribs={"layer": f"图层{self.obj.layer_id}"})


        a7 = core.rotate_point_around_another(a1, center, 2/3*math.pi)
        a8 = core.rotate_point_around_another(a2, center, 2/3*math.pi)
        a9 = core.rotate_point_around_another(a3, center, 2/3*math.pi)

        self.msp.add_line(a7, a8, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
        self.msp.add_line(a8, a9, dxfattribs={"layer": f"图层{self.obj.layer_id}"})