Misaki 9cc420693c Refactor camera system to use quaternion rotations ...

Added quaternion and vector structures from the cglm library for handling 3D rotations and directions.
Added a new function `euler_to_quat` to convert Euler angles to a quaternion representation.
Changed the `camera_t` structure to replace separate forward, up, and right vectors with a single rotation quaternion.
Changed the `camera_create` function to accept a rotation quaternion instead of separate direction vectors.
Changed the `scene_init` function to initialize the camera with a default rotation quaternion.
Changed the `ensure_camera_aspect_ratio` function to maintain the camera's rotation quaternion.
Changed the `screen_render_pixel`, `scene_render_tile`, and `scene_render` functions to compute camera coordinates based on the quaternion rotation.

2025-04-22 17:26:04 +09:00

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