Revision 191,
623 bytes
checked in by bittner, 19 years ago
(diff) |
basic sampling strategies
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[191] | 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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