Revision 312,
1.3 KB
checked in by mattausch, 19 years ago
(diff) |
bsp split exporter added
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[162] | 1 | #ifndef __CAMERA_H
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| 2 | #define __CAMERA_H
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| 3 |
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| 4 | #include "Vector3.h"
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| 5 | #include "AxisAlignedBox3.h"
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| 6 |
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| 7 | class KdTree;
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| 8 |
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| 9 | class Camera
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| 10 | {
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| 11 | public:
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| 12 | Vector3 mPosition;
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| 13 | Vector3 mDirection;
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| 14 | /** up vector takes into account the FOV at a unit distance from the origin */
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| 15 | Vector3 mUp;
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| 16 | /** right vector takes into account the FOV at a unit distance from the origin */
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| 17 | Vector3 mRight;
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| 18 |
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| 19 | float mFovy;
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| 20 | int mWidth;
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| 21 | int mHeight;
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| 22 |
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| 23 | Camera() {
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| 24 | mWidth = 640;
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| 25 | mHeight = 480;
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[312] | 26 | mFovy = 60.0*M_PI/180.0;
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[162] | 27 | }
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| 28 |
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| 29 | void Precompute() {
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| 30 | mDirection.Normalize();
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| 31 | Vector3 side = CrossProd(Vector3(0,1,0), mDirection);
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| 32 | mUp = Normalize(CrossProd(side, mDirection));
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| 33 | mRight = Normalize(CrossProd(mDirection, mUp));
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| 34 | float k = tan(mFovy/2);
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| 35 | mUp *= k;
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| 36 | mRight *= k*mWidth/mHeight;
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| 37 | }
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| 38 |
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| 39 | void SetPosition(const Vector3 &pos) {
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| 40 | mPosition = pos;
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| 41 | Precompute();
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| 42 | }
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| 43 |
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| 44 | void LookInBox(const AxisAlignedBox3 &box)
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| 45 | {
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| 46 | mDirection = Vector3(0,0,1);
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| 47 | mPosition = box.Center();
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| 48 | Precompute();
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| 49 | }
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| 50 |
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| 51 |
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| 52 | void LookAtBox(const AxisAlignedBox3 &box)
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| 53 | {
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| 54 | mDirection = box.Max() - box.Min();
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| 55 | mPosition = box.Min() - mDirection;
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| 56 | Precompute();
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| 57 | }
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| 58 |
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| 59 | bool
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| 60 | SnapImage(string filename, KdTree *tree);
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| 61 |
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| 62 | void SetupRay(Ray &ray, const int x, const int y);
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| 63 |
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| 64 | };
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| 65 |
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| 66 |
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| 67 | #endif
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