93 lines
2.2 KiB
Text
93 lines
2.2 KiB
Text
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file lensNode.I
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* @author drose
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* @date 2002-02-26
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*/
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/**
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* Sets up the LensNode using a copy of the indicated Lens. If the original
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* Lens is changed or destroyed, this LensNode is not affected.
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*/
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INLINE void LensNode::
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copy_lens(const Lens &lens) {
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return copy_lens(0, lens);
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}
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/**
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* Copies the indicated lens into the specified slot.
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*/
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INLINE void LensNode::
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copy_lens(int index, const Lens &lens) {
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set_lens(index, lens.make_copy());
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}
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/**
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* Sets up the LensNode using this particular Lens pointer. If the lens is
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* subsequently modified, the LensNode properties immediately reflect the
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* change.
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*/
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INLINE void LensNode::
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set_lens(Lens *lens) {
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return set_lens(0, lens);
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}
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/**
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* Returns a pointer to the particular Lens associated with this LensNode, or
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* NULL if there is not yet a Lens associated. If an index number is
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* specified, returns the nth lens.
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*/
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INLINE Lens *LensNode::
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get_lens(int index) const {
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nassertr(index >= 0 && index < max_lenses, nullptr); // Sanity check
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if (index < (int)_lenses.size()) {
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return _lenses[index]._lens;
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}
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return nullptr;
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}
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/**
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* Returns the active flag for the nth lens.
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*/
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INLINE bool LensNode::
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get_lens_active(int index) const {
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nassertr(index >= 0 && index < max_lenses, false);
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if (index < (int)_lenses.size()) {
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return _lenses[index]._is_active;
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}
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return false;
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}
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/**
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* An alternate way to call set_lens_active(index, true).
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*/
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INLINE bool LensNode::
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activate_lens(int index) {
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return set_lens_active(index, true);
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}
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/**
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* An alternate way to call set_lens_active(index, false).
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*/
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INLINE bool LensNode::
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deactivate_lens(int index) {
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return set_lens_active(index, false);
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}
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/**
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* Returns true if the given point is within the bounds of the lens of the
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* LensNode (i.e. if the camera can see the point).
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*/
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INLINE bool LensNode::
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is_in_view(const LPoint3 &pos) {
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return is_in_view(0, pos);
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}
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