Files
OpenSpace/modules/globebrowsing/rendering/texturetileset.cpp
2016-04-14 20:27:43 -04:00

59 lines
2.8 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2016 *
* *
* 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. *
****************************************************************************************/
#include <modules/globebrowsing/rendering/texturetileset.h>
#include <glm/glm.hpp>
namespace openspace {
TextureTileSet::TextureTileSet()
{
}
TextureTileSet::~TextureTileSet()
{
}
glm::ivec3 TextureTileSet::getTileIndex(LatLonPatch patch)
{
int level = log2(static_cast<int>(glm::max(
sizeLevel0.lat / patch.halfSize.lat * 2,
sizeLevel0.lon / patch.halfSize.lon * 2)));
Vec2 TileSize = sizeLevel0.toLonLatVec2() / pow(2, level);
glm::ivec2 tileIndex = -(patch.northWestCorner().toLonLatVec2() + offsetLevel0.toLonLatVec2()) / TileSize;
return glm::ivec3(tileIndex, level);
}
TextureTile TextureTileSet::getTile(glm::ivec3 tileIndex)
{
return TextureTile();
}
LatLonPatch TextureTileSet::getTilePositionAndScale(glm::ivec3 tileIndex)
{
return LatLonPatch(LatLon(), LatLon());
}
} // namespace openspace