66 lines
1.6 KiB
Text
66 lines
1.6 KiB
Text
|
/**
|
||
|
* PANDA 3D SOFTWARE
|
||
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
||
|
*
|
||
|
* All use of this software is subject to the terms of the revised BSD
|
||
|
* license. You should have received a copy of this license along
|
||
|
* with this source code in a file named "LICENSE."
|
||
|
*
|
||
|
* @file occluderEffect.I
|
||
|
* @author drose
|
||
|
* @date 2011-03-17
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
* Use OccluderEffect::make() to construct a new OccluderEffect object.
|
||
|
*/
|
||
|
INLINE OccluderEffect::
|
||
|
OccluderEffect() {
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Use OccluderEffect::make() to construct a new OccluderEffect object. The
|
||
|
* copy constructor is only defined to facilitate methods like
|
||
|
* add_on_occluder().
|
||
|
*/
|
||
|
INLINE OccluderEffect::
|
||
|
OccluderEffect(const OccluderEffect ©) :
|
||
|
_on_occluders(copy._on_occluders)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the number of occluders that are enabled by the effectute.
|
||
|
*/
|
||
|
INLINE int OccluderEffect::
|
||
|
get_num_on_occluders() const {
|
||
|
return _on_occluders.size();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the nth occluder enabled by the effectute, sorted in render order.
|
||
|
*/
|
||
|
INLINE NodePath OccluderEffect::
|
||
|
get_on_occluder(int n) const {
|
||
|
nassertr(n >= 0 && n < (int)_on_occluders.size(), NodePath::fail());
|
||
|
return _on_occluders[n];
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns true if the indicated occluder is enabled by the effect, false
|
||
|
* otherwise.
|
||
|
*/
|
||
|
INLINE bool OccluderEffect::
|
||
|
has_on_occluder(const NodePath &occluder) const {
|
||
|
return _on_occluders.find(occluder) != _on_occluders.end();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns true if this is an identity effect: it does not change the set of
|
||
|
* occluders in use.
|
||
|
*/
|
||
|
INLINE bool OccluderEffect::
|
||
|
is_identity() const {
|
||
|
return _on_occluders.empty();
|
||
|
}
|