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[544] | 1 | #include "Tetrahedron3.h"
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| 2 |
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| 3 |
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| 4 | float Tetrahedron3::GetArea() const
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| 5 | {
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| 6 | float area = 0;
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| 7 | for (int i = 0; i < 4; ++ i)
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| 8 | area += GetTriangle(i).GetArea();
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| 9 |
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| 10 | return area;
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| 11 | }
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| 12 |
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| 13 |
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| 14 | float Tetrahedron3::GetVolume() const
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| 15 | {
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| 16 | const Vector3 a = mVertices[2] - mVertices[1];
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| 17 | const Vector3 b = mVertices[3] - mVertices[1];
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| 18 | const Vector3 c = mVertices[4] - mVertices[1];
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| 19 |
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| 20 | return (1.0f / 6.0f) * fabs(DotProd(a, CrossProd(b, c)));
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| 21 | }
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| 22 |
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| 23 |
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| 24 | bool Tetrahedron3::Valid() const
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| 25 | {
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| 26 | return true;
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| 27 | } |
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