81 lines
4.3 KiB
C++
81 lines
4.3 KiB
C++
/**************************************************************************************/
|
|
/* */
|
|
/* Visualization Library */
|
|
/* http://visualizationlibrary.org */
|
|
/* */
|
|
/* Copyright (c) 2005-2020, Michele Bosi */
|
|
/* All rights reserved. */
|
|
/* */
|
|
/* Redistribution and use in source and binary forms, with or without modification, */
|
|
/* are permitted provided that the following conditions are met: */
|
|
/* */
|
|
/* - Redistributions of source code must retain the above copyright notice, this */
|
|
/* list of conditions and the following disclaimer. */
|
|
/* */
|
|
/* - Redistributions in binary form must reproduce the above copyright notice, this */
|
|
/* list of conditions and the following disclaimer in the documentation and/or */
|
|
/* other materials provided with the distribution. */
|
|
/* */
|
|
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */
|
|
/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */
|
|
/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
|
|
/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */
|
|
/* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
|
|
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
|
|
/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
|
|
/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
|
|
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
|
|
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
|
|
/* */
|
|
/**************************************************************************************/
|
|
|
|
#ifndef Billboard_INCLUDE_ONCE
|
|
#define Billboard_INCLUDE_ONCE
|
|
|
|
#include <vlGraphics/link_config.hpp>
|
|
#include <vlCore/Transform.hpp>
|
|
|
|
namespace vl
|
|
{
|
|
//-----------------------------------------------------------------------------
|
|
// Billboard
|
|
//-----------------------------------------------------------------------------
|
|
/**
|
|
* A Transform that aligns an Actor towards the camera.
|
|
*/
|
|
class VLGRAPHICS_EXPORT Billboard: public Transform
|
|
{
|
|
VL_INSTRUMENT_CLASS(vl::Billboard, Transform)
|
|
|
|
public:
|
|
Billboard();
|
|
//! The billboard position and rotation center
|
|
void setPosition(const vec3& pos);
|
|
//! The billboard position and rotation center
|
|
void setPosition(real x, real y, real z) { setPosition( vec3(x,y,z) ); }
|
|
//! The billboard position and rotation center
|
|
vec3 position();
|
|
//! The rotation axis in world coordinates. Used only for axis aligned billboards.
|
|
void setAxis(const vec3& axis) { mAxis = axis; mAxis.normalize(); }
|
|
//! The rotation axis in world coordinates. Used only for axis aligned billboards.
|
|
const vec3& axis() const { return mAxis; }
|
|
//! Used only for axis aligned billboards.
|
|
void setNormal(const vec3& normal) { mNormal = normal; mNormal.normalize(); }
|
|
//! Used only for axis aligned billboards.
|
|
const vec3& normal() const { return mNormal; }
|
|
virtual void computeWorldMatrix(Camera* camera=NULL);
|
|
//! The type of the billboard.
|
|
EBillboardType type() const { return mType; }
|
|
//! The type of the billboard.
|
|
void setType(EBillboardType type) { mType = type; }
|
|
|
|
protected:
|
|
vec3 mAxis;
|
|
vec3 mNormal;
|
|
EBillboardType mType;
|
|
};
|
|
//-----------------------------------------------------------------------------
|
|
}
|
|
|
|
#endif
|