66 lines
2.7 KiB
C++
66 lines
2.7 KiB
C++
//
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// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2009-2015 Joerg Henrichs
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#ifndef HEADER_CHECK_SPHERE_HPP
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#define HEADER_CHECK_SPHERE_HPP
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#include "tracks/check_structure.hpp"
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class XMLNode;
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class CheckManager;
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/** This class implements a check sphere that is used to change the ambient
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* light if a kart is inside this sphere. Besides a normal radius this
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* sphere also has a 2nd 'inner' radius: player karts inside the inner
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* radius will have the full new ambient light, karts outside the default
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* light, and karts in between will mix the light dependent on distance.
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*
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* \ingroup tracks
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*/
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class CheckSphere : public CheckStructure
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{
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private:
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/** Center of the sphere. */
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Vec3 m_center_point;
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/** Squared radius of the sphere. */
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float m_radius2;
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/** A flag for each kart to indicate if it's inside of the sphere. */
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std::vector<bool> m_is_inside;
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/** Stores the distance of each kart from the center of this sphere.
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* This saves some computations. */
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std::vector<float> m_distance2;
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public:
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CheckSphere(const XMLNode &node, unsigned int index);
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virtual ~CheckSphere() {};
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virtual bool isTriggered(const Vec3 &old_pos, const Vec3 &new_pos,
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unsigned int kart_id);
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// ------------------------------------------------------------------------
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/** Returns if kart indx is currently inside of the sphere. */
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bool isInside(int index) const { return m_is_inside[index]; }
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// -------------------------------------------------------------------------
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/** Returns the squared distance of kart index from the enter of
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* this sphere. */
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float getDistance2ForKart(int index) const { return m_distance2[index];}
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// -------------------------------------------------------------------------
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/** Returns the square of the radius of this sphere. */
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float getRadius2() const { return m_radius2; }
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}; // CheckSphere
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#endif
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