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/*
* Renderer.cpp
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Renderer.h"
#include "BSPTree.h"
namespace Zoom {
const Renderer::RenderVisitor Renderer::renderVisitor = Renderer::RenderVisitor();
void Renderer::render(const BSPTree &tree) {
vmml::mat4f transform, inverseTransform;
glGetFloatv(GL_MODELVIEW_MATRIX, transform.array);
transform.inverse(inverseTransform);
vmml::vec3f viewPoint = inverseTransform*vmml::vec3f::ZERO;
glBegin(GL_TRIANGLES);
tree.visit(renderVisitor, viewPoint);
glEnd();
}
void Renderer::renderTriangle(const Triangle &t) {
glColor4fv(t.getColor().array);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, t.getColor().array);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, (t.getColor()/2).array);
glNormal3fv(t.getNormal().array);
for(int i = 0; i < 3; ++i) {
glVertex3fv(t.getVertex(i).array);
}
}
}
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