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45 lines
1.5 KiB
45 lines
1.5 KiB
16 years ago
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/*
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Copyright © 2010 Vladimír Vondruš <mosra@centrum.cz>
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This file is part of Magnum.
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Magnum is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License version 3
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only, as published by the Free Software Foundation.
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Magnum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License version 3 for more details.
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*/
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#include "Triangle.h"
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#include "Buffer.h"
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namespace Magnum { namespace Examples {
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Triangle::Triangle(AbstractObject* parent): AbstractObject(parent), mesh(Mesh::Triangles, 3) {
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/* Vertices and colors, interleaved */
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Vector4 data[] = {
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Vector4(-0.5f, -0.5f, 0.0f), Vector4(1.0f, 0.0f, 0.0f), /* Red lower left vertex */
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Vector4(0.5f, -0.5f, 0.0f), Vector4(0.0f, 1.0f, 0.0f), /* Green lower right vertex */
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Vector4(0.0f, 0.5f, 0.0f), Vector4(0.0f, 0.0f, 1.0f) /* Blue top vertex */
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};
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/* Fill the mesh with data */
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Buffer* buffer = mesh.addBuffer(true);
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buffer->setData(sizeof(data), data, Buffer::DrawStatic);
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/* Bind attributes (first vertex data, then color data) */
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mesh.bindAttribute<Vector4>(buffer, IdentityShader::Vertex);
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mesh.bindAttribute<Vector4>(buffer, IdentityShader::Color);
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}
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void Triangle::draw(const Matrix4& transformationMatrix, const Matrix4& projectionMatrix) {
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shader.use();
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mesh.draw();
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}
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}}
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