summaryrefslogtreecommitdiff
path: root/src/camera.c
diff options
context:
space:
mode:
authoromniscient <17525998+omnisci3nce@users.noreply.github.com>2024-10-19 13:24:31 +1100
committeromniscient <17525998+omnisci3nce@users.noreply.github.com>2024-10-19 13:24:31 +1100
commit6182860f1b1aba4128b4f66eda7977600e60d1a0 (patch)
tree388d9aff8ca19ef324633ac1bea43f1548675150 /src/camera.c
parent5d1750d9adfc45b53c75310c58e31dfdbd8a6e15 (diff)
parentd6d742f8a24490f885e4a1ae3fea7ec46b01f58c (diff)
fix merge
Diffstat (limited to 'src/camera.c')
-rw-r--r--src/camera.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/camera.c b/src/camera.c
new file mode 100644
index 0000000..eb8fc7d
--- /dev/null
+++ b/src/camera.c
@@ -0,0 +1,13 @@
+#include <celeritas.h>
+
+mat4 camera_view_proj(camera camera, f32 lens_height, f32 lens_width, mat4* out_view, mat4* out_proj) {
+ mat4 projection_matrix = mat4_perspective(camera.fov, lens_width / lens_height, 0.1, 1000.0);
+ // TODO: store near/far on camera rather than hard-coding here.
+
+ vec3 camera_direction = vec3_add(camera.position, camera.forwards);
+ mat4 view_matrix = mat4_look_at(camera.position, camera_direction, camera.up);
+ if (out_view) *out_view = view_matrix;
+ if (out_proj) *out_proj = projection_matrix;
+
+ return mat4_mult(view_matrix, projection_matrix);
+} \ No newline at end of file