Revision 492,
1.5 KB
checked in by bittner, 19 years ago
(diff) |
Large merge - viewcells seem not functional now
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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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[492] | 8 | class SceneGraph;
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[162] | 9 |
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| 10 | class Camera
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| 11 | {
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| 12 | public:
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| 13 | Vector3 mPosition;
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| 14 | Vector3 mDirection;
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| 15 | /** up vector takes into account the FOV at a unit distance from the origin */
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| 16 | Vector3 mUp;
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| 17 | /** right vector takes into account the FOV at a unit distance from the origin */
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| 18 | Vector3 mRight;
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| 19 |
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| 20 | float mFovy;
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| 21 | int mWidth;
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| 22 | int mHeight;
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| 23 |
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| 24 | Camera() {
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[492] | 25 | mWidth = 1400;
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| 26 | mHeight = 1000;
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[469] | 27 | mFovy = 60.0f*(float)M_PI/180.0f;
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[162] | 28 | }
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| 29 |
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| 30 | void Precompute() {
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| 31 | mDirection.Normalize();
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| 32 | Vector3 side = CrossProd(Vector3(0,1,0), mDirection);
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| 33 | mUp = Normalize(CrossProd(side, mDirection));
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| 34 | mRight = Normalize(CrossProd(mDirection, mUp));
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| 35 | float k = tan(mFovy/2);
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| 36 | mUp *= k;
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| 37 | mRight *= k*mWidth/mHeight;
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| 38 | }
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| 39 |
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| 40 | void SetPosition(const Vector3 &pos) {
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| 41 | mPosition = pos;
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| 42 | Precompute();
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| 43 | }
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| 44 |
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[386] | 45 | void SetDirection(const Vector3 &dir) {
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| 46 | mDirection = dir;
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| 47 | Precompute();
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| 48 | }
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| 49 |
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[162] | 50 | void LookInBox(const AxisAlignedBox3 &box)
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| 51 | {
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| 52 | mDirection = Vector3(0,0,1);
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| 53 | mPosition = box.Center();
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| 54 | Precompute();
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| 55 | }
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| 56 |
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| 57 |
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| 58 | void LookAtBox(const AxisAlignedBox3 &box)
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| 59 | {
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| 60 | mDirection = box.Max() - box.Min();
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| 61 | mPosition = box.Min() - mDirection;
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| 62 | Precompute();
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| 63 | }
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| 64 |
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| 65 | bool
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[492] | 66 | SnapImage(string filename,
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| 67 | KdTree *tree,
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| 68 | SceneGraph *sceneGraph
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| 69 | );
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[162] | 70 |
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| 71 | void SetupRay(Ray &ray, const int x, const int y);
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| 72 |
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| 73 | };
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| 74 |
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| 75 |
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| 76 | #endif
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