collada.light.PointLight¶
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class
collada.light.
PointLight
(id, color, constant_att=None, linear_att=None, quad_att=None, zfar=None, xmlnode=None)¶ Bases:
collada.light.Light
Point light as defined in COLLADA tag <point>.
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__init__
(id, color, constant_att=None, linear_att=None, quad_att=None, zfar=None, xmlnode=None)¶ Create a new sun light.
Parameters: - id (str) – A unique string identifier for the light
- color (tuple) – Either a tuple of size 3 containing the RGB color value of the light or a tuple of size 4 containing the RGBA color value of the light
- constant_att (float) – Constant attenuation factor
- linear_att (float) – Linear attenuation factor
- quad_att (float) – Quadratic attenuation factor
- zfar (float) – Distance to the far clipping plane
- xmlnode – If loaded from xml, the xml node
Methods
__init__
(id, color[, constant_att, …])Create a new sun light. bind
(matrix)Binds this light to a transform matrix. load
(collada, localscope, node)Load and return a class instance from an XML node. save
()Saves the light’s properties back to xmlnode
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id
= None¶ The unique string identifier for the light
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color
= None¶ Either a tuple of size 3 containing the RGB color value of the light or a tuple of size 4 containing the RGBA color value of the light
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constant_att
= None¶ Constant attenuation factor.
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linear_att
= None¶ Linear attenuation factor.
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quad_att
= None¶ Quadratic attenuation factor.
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zfar
= None¶ Distance to the far clipping plane
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xmlnode
= None¶ ElementTree representation of the light.
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static
load
(collada, localscope, node)¶ Load and return a class instance from an XML node.
Inspect the data inside node, which must match this class tag and create an instance out of it.
Parameters: - collada (collada.Collada) – The collada file object where this object lives
- localscope (dict) – If there is a local scope where we should look for local ids (sid) this is the dictionary. Otherwise empty dict ({})
- node – An Element from python’s ElementTree API
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bind
(matrix)¶ Binds this light to a transform matrix.
Parameters: matrix (numpy.array) – A 4x4 numpy float matrix Return type: collada.light.BoundPointLight
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