diff options
| author | Omniscient <17525998+omnisci3nce@users.noreply.github.com> | 2024-02-24 22:47:46 +1100 |
|---|---|---|
| committer | Omniscient <17525998+omnisci3nce@users.noreply.github.com> | 2024-02-24 22:47:46 +1100 |
| commit | 7b3afcaf77f96e7d62f6cd1623ead7f17512d79f (patch) | |
| tree | b5f82c64e9c06a84e4d095ab4ac48712e860b673 /src/camera.c | |
| parent | b047be5252aeb981faea077409c1768fda0301d9 (diff) | |
repo init. partial port of existing code
Diffstat (limited to 'src/camera.c')
| -rw-r--r-- | src/camera.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/camera.c b/src/camera.c new file mode 100644 index 0000000..c2b864d --- /dev/null +++ b/src/camera.c @@ -0,0 +1,11 @@ +#include "camera.h" + +#include "maths.h" + +void camera_view_projection(camera *c, f32 screen_height, f32 screen_width, mat4 *out_view_proj) { + mat4 proj = mat4_perspective(c->fov * 3.14 / 180.0, screen_width / screen_height, 0.1, 100.0); + vec3 camera_direction = vec3_add(c->position, c->front); + mat4 view = mat4_look_at(c->position, camera_direction, c->up); + mat4 out_mat = mat4_mult(view, proj); + *out_view_proj = out_mat; +}
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