#include "camera.h"

#include "game.h"
#include "display.h"

void camera_init(void)
{
    game.camera.view_rect = (rect_t) {
        .x = 0.0f,
        .y = 0.0f,
        .w = DISPLAY_WIDTH / 2,
        .h = DISPLAY_HEIGHT / 2
    };

    game.camera.tracking_pos = NULL;
    game.camera.tracking_center_offset = (fvector2d_t) {
        .x = 0.0f,
        .y = 0.0f
    };
}

void camera_update(void)
{
    if(game.camera.tracking_pos)
    {
        game.camera.view_rect.x = game.camera.tracking_pos->x + game.camera.tracking_center_offset.x - game.camera.view_rect.w / 2;
        game.camera.view_rect.y = game.camera.tracking_pos->y + game.camera.tracking_center_offset.y - game.camera.view_rect.h / 2;
    }
}