Revision 191,
623 bytes
checked in by bittner, 19 years ago
(diff) |
basic sampling strategies
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1 | #ifndef __RECTANGLE3_H
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2 | #define __RECTANGLE3_H
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3 |
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4 | #include "Vector3.h"
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5 |
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6 | class Rectangle3 {
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7 | public:
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8 | Vector3 mVertices[4];
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9 |
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10 | Rectangle3(const Vector3 &v0,
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11 | const Vector3 &v1,
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12 | const Vector3 &v2,
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13 | const Vector3 &v3) {
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14 | mVertices[0] = v0;
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15 | mVertices[1] = v1;
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16 | mVertices[2] = v2;
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17 | mVertices[3] = v3;
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18 | }
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19 |
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20 | Vector3 GetNormal() {
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21 | return Normalize(CrossProd(mVertices[0]-mVertices[1],
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22 | mVertices[2]-mVertices[1]
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23 | ));
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24 | }
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25 |
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26 | Vector3 GetCenter() {
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27 | return (mVertices[0] + mVertices[1] + mVertices[2] + mVertices[3])/4.0f;
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28 | }
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29 |
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30 |
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31 | };
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32 |
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33 |
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34 | #endif
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