magnum/src/DebugTools/Implementation/BoxRenderer.cpp

/*
    Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>

    This file is part of Magnum.

    Magnum is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License version 3
    only, as published by the Free Software Foundation.

    Magnum 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 Lesser General Public License version 3 for more details.
*/

#include "BoxRenderer.h"

#include "Mesh.h"
#include "DebugTools/ShapeRenderer.h"
#include "Physics/Box.h"
#include "Shaders/FlatShader.h"

namespace Magnum { namespace DebugTools { namespace Implementation {

template<std::uint8_t dimensions> BoxRenderer<dimensions>::BoxRenderer(Physics::Box<dimensions>& box): box(box) {}

template<std::uint8_t dimensions> void BoxRenderer<dimensions>::draw(Resource<ShapeRendererOptions>& options, const typename DimensionTraits<dimensions>::MatrixType& projectionMatrix) {
    /* Half scale, because the box is 2x2(x2) */
    this->shader->setTransformationProjectionMatrix(projectionMatrix*box.transformedTransformation()*
        DimensionTraits<dimensions>::MatrixType::scaling(typename DimensionTraits<dimensions>::VectorType(0.5f)))
        ->setColor(options->color())
        ->use();
    this->mesh->draw();
}

template class BoxRenderer<2>;
template class BoxRenderer<3>;

}}}