some basic 3D rendering and the base for chunk generation etc.

1 files changed, 30 insertions, 0 deletions

diff --git a/src/engine/M_camera.c b/src/engine/M_camera.c
new file mode 100644
index 0000000..58414a7
--- /dev/null
+++ b/src/engine/M_camera.c
@@ -0,0 +1,30 @@
+#include "M_camera.h"
+
+void M_initCamera(M_Camera *camera, vec3 up)
+{
+	glm_vec3_zero(camera->pos);
+	glm_vec3_copy(
+			up,
+			camera->up
+			);
+	glm_vec3_copy(
+			(vec3){0.0f, 0.0f, -1.0f},
+			camera->direction
+			);
+}
+
+inline void M_cameraViewMatrix(M_Camera* camera)
+{
+	vec3 target;
+	glm_vec3_add(
+			camera->pos,
+			camera->direction,
+			target
+			);
+	glm_lookat(
+			camera->pos,
+			target,
+			camera->up,
+			camera->view_matrix
+			);
+}