54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
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/*
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* Renderer.cpp
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*
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* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Renderer.h"
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#include "BSPTree.h"
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namespace Zoom {
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const Renderer::RenderVisitor Renderer::renderVisitor = Renderer::RenderVisitor();
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void Renderer::render(const BSPTree &tree) {
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vmml::mat4f transform, inverseTransform;
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glGetFloatv(GL_MODELVIEW_MATRIX, transform.array);
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transform.inverse(inverseTransform);
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vmml::vec3f viewPoint = inverseTransform*vmml::vec3f::ZERO;
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glBegin(GL_TRIANGLES);
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tree.visit(renderVisitor, viewPoint);
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glEnd();
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}
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void Renderer::renderTriangle(const Triangle &t) {
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glColor4fv(t.getColor().array);
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glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, t.getColor().array);
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glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, (t.getColor()/2).array);
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glNormal3fv(t.getNormal().array);
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for(int i = 0; i < 3; ++i) {
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glVertex3fv(t.getVertex(i).array);
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}
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}
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}
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