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#include "cameras.h"
#include "game.h"
#include "world.h"
// First person camera indeed.
void initFirstPersonCamera(Game * game, Camera3D * camera) {
*camera = (Camera3D){
.fovy = 90.0,
.projection = CAMERA_PERSPECTIVE
};
}
void updateFirstPersonCamera(Game * game, Camera3D * camera) {
Entity * player = getEntityFromWorld(game->world, 0);
Vector3 direction = Vector3RotateByQuaternion((Vector3){0.0, 0.0, 1.0}, player->rotation);
camera->position = Vector3Add(player->position, Vector3Scale(direction, CAMERA_DIS));
camera->target = Vector3Add(camera->position, direction);
camera->up = Vector3RotateByQuaternion((Vector3){0.0, 1.0, 0.0}, player->rotation);
}
// Callbacks indeed.
const CameraInitCb cameraInitCallbacks[CAMERA_COUNT] = {
initFirstPersonCamera
};
const CameraCb cameraCallbacks[CAMERA_COUNT] = {
updateFirstPersonCamera
};
void initCameras(Game * game, Cameras cameras) {
int i;
for (i = 0; i < CAMERA_COUNT; ++i)
cameraInitCallbacks[i](game, &cameras[i]);
}
void runCameraUpdate(Game * game, Cameras cameras, CameraId id) {
cameraCallbacks[id](game, &cameras[id]);
}
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