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# The Original Code is the Python Computer Graphics Kit.
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# $Id: spotlight3ds.py,v 1.2 2005/07/03 09:43:36 mbaas Exp $
## \file spotlight3ds.py
## Contains the SpotLight3DS class.
import protocols
from Interfaces import *
from slots import *
import lookat
from lightsource import LightSource
# SpotLight3DS
class SpotLight3DS(LightSource):
"""This class represents a spotlight as it appears in 3DS files.
The direction of the light is the local positive Z axis.
"""
protocols.advise(instancesProvide=[ISceneItem])
def __init__(self,
name="SpotLight3DS",
enabled = True, # off
intensity = 1.0, # multiplier
see_cone = False,
roll = 0.0,
outer_range = 0,
inner_range = 0,
attenuation = 0,
rectangular_spot = 0,
shadowed = False,
shadow_bias = 0,
shadow_filter = 4.0,
shadow_size = 256,
spot_aspect = 0,
use_projector = False,
projector = 0,
overshoot = False,
ray_shadows = False,
ray_bias = False,
hotspot = 43,
falloff = 45,
color = (1,1,1),
target=vec3(0,0,0), # spot
# transform = None,
# pos = None, rot = None, scale = None,
# pivot= None,
# offsetTransform = None,
# auto_insert=True,
**params
):
LightSource.__init__(self, name=name, **params)
target = vec3(target)
# Target
self.target_slot = Vec3Slot(target)
self.addSlot("target", self.target_slot)
self.enabled = enabled
self.intensity = intensity
self.attenuation = attenuation
self.attenuation = attenuation
self.inner_range = inner_range
self.outer_range = outer_range
self.falloff = falloff
self.hotspot = hotspot
self.overshoot = overshoot
self.color = color
self.shadowed = shadowed
self.cast_shadow = shadowed
self.shadow_filter = shadow_filter
self.shadow_bias = shadow_bias
self.shadow_size = shadow_size
# Create the internal LookAt component
self._lookat = lookat.LookAt()
self._lookat.name = "SpotLight3DS_LookAt"
self._lookat.output_slot.connect(self.rot_slot)
self.pos_slot.connect(self._lookat.pos_slot)
self.target_slot.connect(self._lookat.target_slot)
# Create the "target" property
exec slotPropertyCode("target")
def protocols(self):
return [ISceneItem]
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