69 lines
1.6 KiB
Python
69 lines
1.6 KiB
Python
import typing as typ
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import bpy
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import sympy as sp
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import sympy.physics.units as spu
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import pydantic as pyd
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from .. import base
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from ... import contracts
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class PhysicalPoint3DBLSocket(base.BLSocket):
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socket_type = contracts.SocketType.PhysicalPoint3D
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bl_label = "Physical Volume"
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use_units = True
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compatible_types = {
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sp.Expr: {
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lambda self, v: v.is_real,
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lambda self, v: len(v.free_symbols) == 0,
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lambda self, v: any(
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contracts.is_exactly_expressed_as_unit(v, unit)
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for unit in self.units.values()
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)
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},
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}
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####################
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# - Properties
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####################
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raw_value: bpy.props.FloatVectorProperty(
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name="Unitless 3D Point (global coordinate system)",
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description="Represents the unitless part of the 3D point",
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size=3,
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default=(0.0, 0.0, 0.0),
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precision=4,
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update=(lambda self, context: self.trigger_updates()),
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)
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####################
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# - Computation of Default Value
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####################
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@property
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def default_value(self) -> sp.Expr:
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return sp.Matrix(tuple(self.raw_value)) * self.unit
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@default_value.setter
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def default_value(self, value: typ.Any) -> None:
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self.raw_value = self.value_as_unit(value)
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####################
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# - Socket Configuration
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####################
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class PhysicalPoint3DSocketDef(pyd.BaseModel):
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socket_type: contracts.SocketType = contracts.SocketType.PhysicalPoint3D
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label: str
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default_unit: typ.Any | None = None
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def init(self, bl_socket: PhysicalPoint3DBLSocket) -> None:
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if self.default_unit:
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bl_socket.unit = self.default_unit
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####################
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# - Blender Registration
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####################
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BL_REGISTER = [
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PhysicalPoint3DBLSocket,
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]
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