This command specifies whether the current clump under construction should be included in collision tests. The mode can either be on or off. The collision mode applies to all child clumps of the current clump as well, unless additional collision commands are specified for the child clumps.
Note that Collision is an extended RWX command and should be prefaced with "#!" when used in RWX files that are intended to work with software other than Outerworlds 3.0 and later.
<mode> either "on" or "off"