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MouseQueryCallback.h
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MouseQueryCallback.h
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////////////////////////////////////////////////////////////
// Nero Game Engine - Box2D Tutorials
// Copyright (c) 2021 Sanou A. K. Landry
////////////////////////////////////////////////////////////
#ifndef MOUSEQUERYCALLBACK_H_INCLUDED
#define MOUSEQUERYCALLBACK_H_INCLUDED
///////////////////////////HEADERS//////////////////////////
//Box2D
#include <Box2D/Dynamics/b2Fixture.h>
#include <Box2D/Dynamics/b2World.h>
#include <Box2D/Dynamics/Contacts/b2Contact.h>
////////////////////////////////////////////////////////////
class MouseQueryCallback : public b2QueryCallback
{
public:
b2Vec2 mPoint;
b2Fixture* mFixture;
public:
MouseQueryCallback(const b2Vec2& point)
{
mPoint = point;
mFixture = nullptr;
}
~MouseQueryCallback()
{
mFixture = nullptr;
}
bool ReportFixture(b2Fixture* fixture)
{
b2Body* body = fixture->GetBody();
if (body->GetType() == b2_dynamicBody)
{
bool inside = fixture->TestPoint(mPoint);
if (inside)
{
mFixture = fixture;
//Clean pointer
body = nullptr;
//We are done, terminate the query.
return false;
}
}
//Clean pointer
body = nullptr;
//Continue the query.
return true;
}
};
#endif // MOUSEQUERYCALLBACK_H_INCLUDED