void logic() {
    kb_key_t key;
    uint16_t physicsTime = timer_1_Counter / 3276.8 - game.lastPhysics;

    kb_Scan();
    key = kb_Data[7];
    if(key & kb_Left) game.position.rot -= game.rotAmount;
    if(key & kb_Right) game.position.rot += game.rotAmount;

    game.position.x += game.position.velocity_x * physicsTime;
    game.position.y += game.position.velocity_y * physicsTime;

    game.position.velocity_x += game.acceleration * physicsTime * cos(M_PI * (float)game.position.rot / 128) / 128;
    game.position.velocity_y += game.acceleration * physicsTime * sin(M_PI * (float)game.position.rot / 128) / 128;
    game.lastPhysics += physicsTime;
}