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52 lines
2.0 KiB
52 lines
2.0 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "UVSphere.h" |
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#include "Math/Angle.h" |
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namespace Magnum { namespace Primitives { |
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UVSphere::UVSphere(UnsignedInt rings, UnsignedInt segments, TextureCoords textureCoords): Capsule(segments, textureCoords) { |
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CORRADE_ASSERT(rings >= 2 && segments >= 3, "UVSphere must have at least two rings and three segments", ); |
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Float textureCoordsVIncrement = 1.0f/rings; |
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Rad ringAngleIncrement(Constants::pi()/rings); |
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/* Bottom cap vertex */ |
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capVertex(-1.0f, -1.0f, 0.0f); |
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/* Vertex rings */ |
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hemisphereVertexRings(rings-1, 0.0f, -Rad(Constants::pi())/2+ringAngleIncrement, ringAngleIncrement, textureCoordsVIncrement, textureCoordsVIncrement); |
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/* Top cap vertex */ |
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capVertex(1.0f, 1.0f, 1.0f); |
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/* Faces */ |
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bottomFaceRing(); |
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faceRings(rings-2); |
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topFaceRing(); |
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} |
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}}
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