Revision 863,
540 bytes
checked in by mattausch, 19 years ago
(diff) |
working on preprocessor integration
added iv stuff
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1 | #include "Tetrahedron3.h"
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2 |
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3 |
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4 | namespace GtpVisibilityPreprocessor {
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5 |
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6 |
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7 | float Tetrahedron3::GetArea() const
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8 | {
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9 | float area = 0;
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10 | for (int i = 0; i < 4; ++ i)
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11 | area += GetTriangle(i).GetArea();
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12 |
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13 | return area;
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14 | }
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15 |
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16 |
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17 | float Tetrahedron3::GetVolume() const
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18 | {
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19 | const Vector3 a = mVertices[2] - mVertices[1];
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20 | const Vector3 b = mVertices[3] - mVertices[1];
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21 | const Vector3 c = mVertices[4] - mVertices[1];
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22 |
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23 | return (1.0f / 6.0f) * fabs(DotProd(a, CrossProd(b, c)));
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24 | }
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25 |
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26 |
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27 | bool Tetrahedron3::Valid() const
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28 | {
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29 | return true;
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30 | }
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31 |
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32 | } |
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