irrlicht/include/ISceneCollisionManager.h

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#pragma once
#include "IReferenceCounted.h"
#include "position2d.h"
#include "line3d.h"
namespace irr
{
namespace scene
{
class ICameraSceneNode;
class ISceneCollisionManager : public virtual IReferenceCounted
{
public:
//! Returns a 3d ray which would go through the 2d screen coordinates.
/** \param pos: Screen coordinates in pixels.
\param camera: Camera from which the ray starts. If null, the
active camera is used.
\return Ray starting from the position of the camera and ending
at a length of the far value of the camera at a position which
would be behind the 2d screen coordinates. */
virtual core::line3d<f32> getRayFromScreenCoordinates(
const core::position2d<s32> &pos, const ICameraSceneNode *camera = 0) = 0;
};
} // end namespace scene
} // end namespace irr