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Action:
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Gets the entity component of an entray.
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Filename:
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kern/kern_scm/eray_scm.cxx
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Syntax:
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(entray:entity entray)
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Arg Types:
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entray
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entray
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Returns:
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entity
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Description:
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Gets the entity component of an entray. An
entray is a scheme-object with an entity component and a ray component. Entrays are represented externally in the form
#[entray n p (x y z) (a b c)], indicating its entity components are
#[entity n p] and its ray components are
#[ray (x y z) (a b c)].
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entray specifies the entray object that has to be queried.
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Example:
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; entray:entity
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; Create a solid block.
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(define block1
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(solid:block (position 0 0 0)
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(position 15 15 15)))
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;; block1
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; Create an entity ray and then extract
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; the entity portion.
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(entray:entity (entray block1
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(ray (position 0 0 0) (gvector 0 0 1))))
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;; #[entity 2 1]
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