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# StaticSphereCollision.cpp

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    00001 //------------------------------------------------------------------------------
    00002 // Lamp : Open source game middleware
    00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
    00004 //
    00005 // This library is free software; you can redistribute it and/or
    00006 // modify it under the terms of the GNU Lesser General Public
    00007 // License as published by the Free Software Foundation; either
    00008 // version 2.1 of the License, or (at your option) any later version.
    00009 //
    00010 // This library is distributed in the hope that it will be useful,
    00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00013 // Lesser General Public License for more details.
    00014 //
    00015 // You should have received a copy of the GNU Lesser General Public
    00016 // License along with this library; if not, write to the Free Software
    00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00018 //------------------------------------------------------------------------------
    00019
    00020 /** @file
    00021  * 静的球コリジョン実装
    00022  * @author Junpee
    00023  */
    00024
    00025 #include "LampBasic.h"
    00026 #include "Collision/Leaf/StaticSphereCollision.h"
    00027 #include "Collision/System/CollisionScene.h"
    00028 #include "Geometry/System/IntersectionResult.h"
    00029
    00030 namespace Lamp{
    00031
    00032 //------------------------------------------------------------------------------
    00033 // 生成、破棄
    00034 //------------------------------------------------------------------------------
    00035 // コンストラクタ
    00036 StaticSphereCollision::StaticSphereCollision(
    00037     const String& name, CollisionScene* scene) :
    00038     StaticCollisionLeaf(name, scene),
    00039     sphere_(Sphere::zero), worldSphere_(Sphere::zero){
    00040 }
    00041 //------------------------------------------------------------------------------
    00042 // デストラクタ
    00043 StaticSphereCollision::~StaticSphereCollision(){
    00044 }
    00045 //------------------------------------------------------------------------------
    00046 // コピー
    00047 //------------------------------------------------------------------------------
    00048 // 静的球コリジョンのコピー
    00049 StaticSphereCollision*
    00050     StaticSphereCollision::copyStaticSphereCollision() const{
    00051     StaticSphereCollision* destination =
    00052         getScene()->createStaticSphereCollision(
    00053         getScene()->renameLeaf(getName()));
    00054     // 静的コリジョンリーフの値をコピー
    00055     copyStaticCollisionLeafValue(destination);
    00056     // メンバのコピー
    00057     destination->sphere_ = sphere_;
    00058     destination->worldSphere_ = worldSphere_;
    00059     return destination;
    00060 }
    00061 //------------------------------------------------------------------------------
    00062 // 交差
    00063 //------------------------------------------------------------------------------
    00064 // 球交差
    00065 void StaticSphereCollision::intersection(
    00066     IntersectionResult* result, const Sphere& sphere, u_int collisionMask){
    00067     // グローバルでの有効、無効判定
    00068     if(!isGlobalEnabled()){ return; }
    00069     // コリジョンマスク判定
    00070     if((getCollisionMask() & collisionMask) == 0){ return; }
    00071     // 球判定
    00072     Intersection intersection;
    00073     if(worldSphere_.intersect(&intersection, sphere)){
    00074         result->add(intersection);
    00075     }
    00076 }
    00077 //------------------------------------------------------------------------------
    00078 // 球コリジョン交差
    00079 void StaticSphereCollision::intersection(IntersectionResult* result,
    00080     StaticSphereCollision* sphere, u_int collisionMask){
    00081     // 自分自身なら交差しない
    00082     if(sphere == this){ return; }
    00083     // グローバルでの有効、無効判定
    00084     if(!isGlobalEnabled()){ return; }
    00085     // コリジョンマスク判定
    00086     if((getCollisionMask() & collisionMask) == 0){ return; }
    00087     // 球判定
    00088     Intersection intersection;
    00089     if(worldSphere_.intersect(&intersection, sphere->getWorldSphere())){
    00090         result->add(intersection);
    00091     }
    00092 }
    00093 //------------------------------------------------------------------------------
    00094 // 走査
    00095 //------------------------------------------------------------------------------
    00096 // 走査
    00097 void StaticSphereCollision::traverseImplement(
    00098     const Matrix34& parentMatrix, bool parentEnabled, bool parentScaled,
    00099     bool parentChanged){
    00100     // 走査のセットアップ
    00101     if(!traverseSetup(parentEnabled, parentChanged)){ return; }
    00102
    00103     // 球の変換
    00104     if(parentScaled){
    00105         // スケール入り
    00106         worldSphere_ = sphere_.scaledTransform(parentMatrix);
    00107     }else{
    00108         // スケール無し
    00109         worldSphere_ = sphere_.transform(parentMatrix);
    00110     }
    00111
    00112     // ツリーへの挿入、またはツリー内の移動
    00113 }
    00114 //------------------------------------------------------------------------------
    00115 } // End of namespace Lamp
    00116 //------------------------------------------------------------------------------