oculus1
view src/camera.h @ 5:681046a82ed2
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| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sun, 15 Sep 2013 05:01:38 +0300 |
| parents | c7b50cd7184c |
| children | b66b54a68dfd |
line source
1 #ifndef CAMERA_H_
2 #define CAMERA_H_
4 #include "vmath/vmath.h"
6 class Camera {
7 protected:
8 mutable struct {
9 bool valid;
10 Matrix4x4 mat;
11 } mcache, mcache_inv;
13 virtual void calc_matrix(Matrix4x4 *mat) const = 0;
14 virtual void calc_inv_matrix(Matrix4x4 *mat) const;
16 void inval_cache() { mcache.valid = mcache_inv.valid = false; }
17 void set_glmat(const Matrix4x4 &m) const;
19 public:
20 Camera();
21 virtual ~Camera();
23 const Matrix4x4 &matrix() const;
24 const Matrix4x4 &inv_matrix() const;
26 void use() const;
27 void use_inverse() const;
29 // these do nothing, override to provide input handling
30 virtual void input_move(float x, float y, float z);
31 virtual void input_rotate(float x, float y, float z);
32 virtual void input_zoom(float factor);
33 };
35 class OrbitCamera : public Camera {
36 private:
37 float theta, phi, rad;
39 void calc_matrix(Matrix4x4 *mat) const;
40 void calc_inv_matrix(Matrix4x4 *mat) const;
42 public:
43 OrbitCamera();
44 virtual ~OrbitCamera();
46 void input_rotate(float x, float y, float z);
47 void input_zoom(float factor);
48 };
50 class FlyCamera : public Camera {
51 private:
52 Vector3 pos;
53 Quaternion rot;
55 void calc_matrix(Matrix4x4 *mat) const;
56 //void calc_inv_matrix(Matrix4x4 *mat) const;
58 public:
59 FlyCamera();
61 const Vector3 &get_position() const;
62 const Quaternion &get_rotation() const;
64 void input_move(float x, float y, float z);
65 void input_rotate(float x, float y, float z);
66 };
69 #endif // CAMERA_H_