blob: 0aae5dbe044eef25a34e11aca4bbbf4756e39adb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
#ifndef VIEWPOINT_H
#define VIEWPOINT_H
#include "vector.h"
// 90 degrees
#define FOV 3.1415/2
typedef struct {
// Viewpoint dimensions
unsigned int width;
unsigned int height;
// Position and orientation
vector_t position, target;
// Viewpoint shift vectors
// Calculated at initialisation
vector_t qx, qy;
// Left button center pixel location
vector_t blc;
} viewpoint_t;
// Todo handle initial setup
void viewpoint_init(viewpoint_t *view);
void viewpoint_ray(viewpoint_t *view, vector_t *r, unsigned x, unsigned y);
#endif
|
