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73 lines
2.7 KiB
73 lines
2.7 KiB
#ifndef Magnum_Primitives_Capsule_h |
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#define Magnum_Primitives_Capsule_h |
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/* |
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Copyright © 2010, 2011, 2012 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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/** @file |
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* @brief Class Magnum::Primitives::Capsule |
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*/ |
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#include "Trade/MeshData3D.h" |
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namespace Magnum { namespace Primitives { |
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/** |
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@brief %Capsule primitive |
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Cylinder along Y axis with hemispheres instead of caps. |
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*/ |
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class Capsule: public Trade::MeshData3D { |
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friend class UVSphere; |
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friend class Cylinder; |
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public: |
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/** @brief Whether to generate texture coordinates */ |
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enum class TextureCoords { |
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Generate, /**< Generate texture coordinates */ |
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DontGenerate /**< Don't generate texture coordinates */ |
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}; |
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/** |
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* @brief Constructor |
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* @param hemisphereRings Number of (face) rings for each hemisphere. |
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* Must be larger or equal to 1. |
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* @param cylinderRings Number of (face) rings for cylinder. Must be |
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* larger or equal to 1. |
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* @param segments Number of (face) segments. Must be larger or equal to 3. |
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* @param length Length of the capsule, excluding hemispheres. |
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* @param textureCoords Whether to generate texture coordinates. |
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* |
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* If texture coordinates are generated, vertices of one segment are |
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* duplicated for texture wrapping. |
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*/ |
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Capsule(unsigned int hemisphereRings, unsigned int cylinderRings, unsigned int segments, GLfloat length, TextureCoords textureCoords = TextureCoords::DontGenerate); |
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private: |
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Capsule(unsigned int segments, TextureCoords textureCoords); |
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void capVertex(GLfloat y, GLfloat normalY, GLfloat textureCoordsV); |
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void hemisphereVertexRings(unsigned int count, GLfloat centerY, GLfloat startRingAngle, GLfloat ringAngleIncrement, GLfloat startTextureCoordsV, GLfloat textureCoordsVIncrement); |
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void cylinderVertexRings(unsigned int count, GLfloat startY, GLfloat yIncrement, GLfloat startTextureCoordsV, GLfloat textureCoordsVIncrement); |
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void bottomFaceRing(); |
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void faceRings(unsigned int count, unsigned int offset = 1); |
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void topFaceRing(); |
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unsigned int segments; |
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TextureCoords textureCoords; |
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}; |
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}} |
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#endif
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