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60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
// Filename: stitchMultiScreen.h
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// Created by: drose (16Jul01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef STITCHMULTISCREEN_H
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#define STITCHMULTISCREEN_H
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#include "stitchScreen.h"
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#include "pset.h"
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#include "pointerTo.h"
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////////////////////////////////////////////////////////////////////
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// Class : StitchMultiScreen
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// Description : A composite of one or more simple screens.
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//
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// If there is at least one screen in the set, the
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// StitchMultiScreen behaves like the intersection of
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// all of the screens. If there are no screens, it
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// behaves like an infinitely large screen at infinity.
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////////////////////////////////////////////////////////////////////
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class StitchMultiScreen : public StitchScreen {
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public:
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StitchMultiScreen();
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virtual ~StitchMultiScreen();
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void add_screen(StitchScreen *screen);
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void clear_screens();
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bool is_empty() const;
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virtual bool intersect(LPoint3d &result,
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const LPoint3d &origin,
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const LVector3d &direction) const;
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protected:
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virtual double compute_intersect(const LPoint3d &origin,
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const LVector3d &direction) const;
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private:
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typedef pset< PT(StitchScreen) > Screens;
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Screens _screens;
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};
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#endif
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