/
vectorobject.py
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/
vectorobject.py
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from typing import Any
from typing import Optional
import bpy # type: ignore
from compas.colors import Color
from compas.geometry import Line
from compas.geometry import Point
from compas.geometry import Vector
from compas.scene import GeometryObject
from compas_blender import conversions
from .sceneobject import BlenderSceneObject
class VectorObject(BlenderSceneObject, GeometryObject):
"""Scene object for drawing vectors in Blender.
Parameters
----------
primitive : :class:`compas.geometry.Vector`
A COMPAS vector.
**kwargs : dict, optional
Additional keyword arguments.
"""
def __init__(self, vector: Vector, **kwargs: Any):
super().__init__(geometry=vector, **kwargs)
def draw(
self,
color: Optional[Color] = None,
collection: Optional[str] = None,
point: Optional[Point] = None,
) -> list[bpy.types.Object]:
"""Draw the vector.
Parameters
----------
color : tuple[float, float, float] | tuple[int, int, int] | :class:`compas.colors.Color`, optional
The RGB color of the vector.
collection : str, optional
The name of the Blender scene collection containing the created object(s).
point : [float, float, float] | :class:`compas.geometry.Point`, optional
Point of application of the vector.
Default is ``Point(0, 0, 0)``.
Returns
-------
list[:blender:`bpy.types.Object`]
The objects created in Blender.
"""
name = self.geometry.name
color = Color.coerce(color) or self.color
point = point or (0.0, 0.0, 0.0) # type: ignore
start = Point(*point) # type: ignore
end = start + self.geometry
line = Line(start, end)
curve = conversions.line_to_blender_curve(line)
obj = self.create_object(curve, name=name)
self.update_object(obj, color=color, collection=collection)
self._guids = [obj]
return self.guids