mirror of
https://github.com/AquariaOSE/Aquaria.git
synced 2024-11-25 17:53:47 +00:00
8d1a0a1a8a
more accurate check than previously; because the normal isOnScreen() uses a bounding circle check... which gets pretty large for something that spans the entire screen width.
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
|
|
Copyright (C) 2007, 2010 - Bit-Blot
|
|
|
|
This file is part of Aquaria.
|
|
|
|
Aquaria is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
#ifndef RENDEROBJECT_INLINE_H
|
|
#define RENDEROBJECT_INLINE_H
|
|
|
|
inline bool RenderObject::isOnScreen() const
|
|
{
|
|
if (followCamera == 1) return true;
|
|
|
|
|
|
// note: radii are sqr-ed for speed
|
|
const float cullRadiusSqr = (getCullRadiusSqr() * core->invGlobalScaleSqr) + core->cullRadiusSqr;
|
|
|
|
return ((this->getFollowCameraPosition() - core->cullCenter).getSquaredLength2D() < cullRadiusSqr);
|
|
}
|
|
|
|
Vector RenderObject::getFollowCameraPosition() const
|
|
{
|
|
return getFollowCameraPosition(position);
|
|
}
|
|
|
|
|
|
#endif
|