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119 lines
4.5 KiB
C++
119 lines
4.5 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the 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 library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library 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 as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#include "cvfBase.h"
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#include "cvfArrowGenerator.h"
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#include "cvfGeometryUtils.h"
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namespace cvf {
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//==================================================================================================
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///
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/// \class cvf::ArrowGenerator
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/// \ingroup Geometry
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///
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/// Creates an arrow starting in origin and pointing in the direction of the +Z axis
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///
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//==================================================================================================
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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ArrowGenerator::ArrowGenerator()
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: m_shaftRelativeRadius(0.025f),
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m_headRelativeRadius(0.085f),
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m_headRelativeLength(0.25f),
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m_numSlices(20)
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void ArrowGenerator::setShaftRelativeRadius(float shaftRelativeRadius)
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{
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m_shaftRelativeRadius = shaftRelativeRadius;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void ArrowGenerator::setHeadRelativeRadius(float headRelativeRadius)
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{
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m_headRelativeRadius = headRelativeRadius;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void ArrowGenerator::setHeadRelativeLength(float headRelativeLength)
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{
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m_headRelativeLength = headRelativeLength;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void ArrowGenerator::setNumSlices(uint numSlices)
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{
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m_numSlices = numSlices;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void ArrowGenerator::generate(GeometryBuilder* builder)
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{
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const uint numPolysZDir = 1;
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GeometryUtils::createObliqueCylinder(m_shaftRelativeRadius, m_shaftRelativeRadius, 1.0f - m_headRelativeLength, 0, 0, m_numSlices, true, true, false, numPolysZDir, builder);
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uint startIdx = builder->vertexCount();
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GeometryUtils::createCone(m_headRelativeRadius, m_headRelativeLength, m_numSlices, true, true, true, builder);
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uint endIdx = builder->vertexCount() - 1;
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Mat4f mat = Mat4f::fromTranslation(Vec3f(0, 0, 1.0f - m_headRelativeLength));
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builder->transformVertexRange(startIdx, endIdx, mat);
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}
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} // namespace cvf
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