qraycast.h

 
/************************************************************************************
 * MIT License
 *
 * Copyright (c) 2023 Eray Zesen
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * https://github.com/erayzesen/QuarkPhysics
 *
**************************************************************************************/
 
#ifndef QRAYCAST_H
#define QRAYCAST_H
#include "qvector.h"
#include "qbody.h"
 
class QWorld;
class QRaycast
{
 
protected:
    void UpdateContacts();
    
    int collidableLayersBit=1;
 
public:
    QRaycast(QVector position, QVector rayVector,bool enableContainingBodies=false);
    struct Contact{
    public:
        QBody *body;
        QVector position;
        QVector normal;
        float distance;
        Contact(QBody *body, QVector position, QVector normal,float distance): body(body), position(position),normal(normal),distance(distance){}
 
    };
 
    static vector<QRaycast::Contact> RaycastTo(QWorld *world, QVector rayPosition,QVector rayVector, int collidableLayers=1,bool enableContainingBodies=false );
 
 
 
 
 
    //Get Methods
    vector<QRaycast::Contact> *GetContacts();
    QVector GetPosition();
    float GetRotation();
    QVector GetRayVector();
    bool GetEnabledContainingBodies();
    int GetCollidableLayersBit();
 
    //Set Methods
    QRaycast *SetPosition(QVector value);
    QRaycast *SetRotation(float value);
    QRaycast *SetRayVector(QVector value);
    QRaycast *SetEnabledContainingBodies(bool value);
 
    QRaycast *SetCollidableLayersBit(int value);
 
 
    friend class QWorld;
 
private:
    QVector position=QVector::Zero();
    float rotation=0.0f;
    QVector ray=QVector::Zero();
    QVector rayOriginal=QVector::Zero();
 
    bool enabledContainingBodies=false;
 
    vector<QRaycast::Contact> contacts;
 
    QWorld *world;
 
 
 
    static vector<QBody*> GetPotentialBodies(QWorld *whichWorld,QVector rayPosition,QVector rayVector,int collidableLayers);
    static void RaycastToParticles(QBody *body, QMesh *mesh, QVector rayPosition, QVector rayVector, QVector rayUnit,QVector rayNormal, bool enableContainingBodies,vector<QRaycast::Contact> *contacts);
    static void RaycastToPolygon(QBody *body, QMesh *mesh, QVector rayPosition, QVector rayVector, QVector rayUnit,QVector rayNormal, bool enableContainingBodies,vector<QRaycast::Contact> *contacts);
 
    static bool SortContacts(const QRaycast::Contact contactA,const QRaycast::Contact contactB);
 
};
 
#endif // QRAYCAST_H