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Action:
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Gets the next LUMP, SHELL, FACE, LOOP or COEDGE in an entity list.
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Filename:
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kern/kern_scm/ent_scm.cxx
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Syntax:
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(entity:next entity)
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Arg Types:
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entity
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entity
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Returns:
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entity
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Description:
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Returns the next entity in an entity list.
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entity specifies the entity that has to be queried.
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Example:
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; entity:next
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; Create a solid block.
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(define block1 (solid:block (position 0 0 0)
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(position 15 10 5)))
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;; block1
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; Determine its owner.
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(entity:owner block1)
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;; #[entity 2 1]
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; Get the faces of the block.
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(define faces1 (entity:faces block1))
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;; faces1
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; faces1 ==>
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; #[entity 3 1] #[entity 4 1] #[entity 5 1]
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; #[entity 6 1] #[entity 7 1] #[entity 8 1]
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; Determine the next face in the list.
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(entity:next (list-ref faces1 0))
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;; #[entity 4 1]
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