void Update()
{
playerHealth.DeathCheck(); // first things first =)
// game timer
if (currentLives >= 0 && player != null)
{
time += Time.deltaTime;
ui.setTime((int)time);
}
if (player == null) // player has died
{
if (currentLives > 0)
{
ui.ShowRespawnScreen();
if (Input.GetButtonDown("Restart")) // button space
{
// player respawn --> set defaults
ui.HideRespawnScreen();
player = spawner.SpawnPlayer();
playerHealth = player.GetComponent <Health>();
playerControls = player.GetComponent <PlayerControls>();
currentLives--;
forceField = GameObject.FindWithTag("Force_Field");
forceField.SetActive(false);
ui.toggleAutoCannon();
ui.setMechs(currentLives, lives);
soundManager.PlaySound("WeaponChange");
}
}
else
{
// game over
ui.ShowEndScreen(score, time);
}
}
// player controls
if (Input.GetButtonDown("Autocannon")) // button 1
{
playerControls.weapon = PlayerControls.Weapon.Autocannon;
playerControls.weaponIndex = 0;
ui.toggleAutoCannon();
soundManager.PlaySound("WeaponChange");
}
else if (Input.GetButtonDown("Missiles")) // button 2
{
playerControls.weapon = PlayerControls.Weapon.Missiles;
playerControls.weaponIndex = 1;
ui.toggleMissiles();
soundManager.PlaySound("WeaponChange");
}
else if (Input.GetButtonDown("Energy beam")) // button 3
{
playerControls.weapon = PlayerControls.Weapon.Beam;
playerControls.weaponIndex = 2;
ui.toggleBeam();
soundManager.PlaySound("WeaponChange");
}
else if (Input.GetButtonDown("Shields")) // button F
{
if (!playerHealth.shieldsOn && playerHealth.GetCurrentPower() > 0)
{
playerHealth.shieldsOn = true;
ui.shieldsOn();
forceField.SetActive(true);
soundManager.PlaySound("ShieldsOn");
}
else
{
playerHealth.shieldsOn = false;
ui.shieldsOff();
forceField.SetActive(false);
soundManager.PlaySound("ShieldsOff");
}
}
// heat damage is reduced over time
if (playerHealth.GetCurrentHeat() > 0)
{
playerHealth.AddHeat(-playerHealth.heatCoolingRate * Time.deltaTime);
SetHeat(playerHealth.GetCurrentHeat(), playerHealth.maxHeat);
}
// shields being on drains power
if (playerHealth.GetCurrentPower() > 0 && playerHealth.shieldsOn)
{
playerHealth.ReducePower(playerHealth.heatCoolingRate * Time.deltaTime);
SetPower(playerHealth.GetCurrentPower(), playerHealth.maxPower);
}
}
void FixedUpdate()
{
// ************
// MOVEMENT AND ROTATION
Vector3 currentRotation = rb.transform.eulerAngles;
rb.rotation = Quaternion.Euler(0f, currentRotation.y, 0f); // tank is allowed to rotate only around y-axis --> prevents from rolling over
float inputHorizontal = Input.GetAxis("Horizontal");
float inputVertical = Input.GetAxis("Vertical");
// turning lower torso left & right
if (inputHorizontal != 0 && inputVertical != 0)
{
Vector3 turning = Vector3.up * inputHorizontal * turningSpeed;
rb.angularVelocity = turning;
animator.SetBool("Walk", true);
animator.SetBool("Run", false);
}
// moving forward: walk & run
if (inputVertical > 0)
{
// walk
Vector3 movement = transform.forward * inputVertical * movementSpeed;
rb.velocity = movement;
animator.SetBool("Walk", true);
animator.SetBool("Run", false);
// run
if (Input.GetKey(KeyCode.LeftShift))
{
Vector3 movement2 = transform.forward * inputVertical * movementSpeed * runningCoefficient;
rb.velocity = movement2;
animator.SetBool("Run", true);
animator.SetBool("Walk", false);
// running generates heat
playerHealth.AddHeat(1 * Time.deltaTime);
gameController.SetHeat(playerHealth.GetCurrentHeat(), playerHealth.maxHeat);
}
}
// moving backwards is 30% slower
if (inputVertical < 0)
{
Vector3 movement = transform.forward * inputVertical * (movementSpeed * reverseCoefficient);
rb.velocity = movement;
animator.SetBool("Walk", true);
animator.SetBool("Run", false);
}
// not moving
if (inputHorizontal == 0 && inputVertical == 0)
{
animator.SetBool("Walk", false);
animator.SetBool("Run", false);
}
// turret rotation and aiming
Ray ray = mainCamera.ScreenPointToRay(Input.mousePosition); // ray pointing towards mouse cursor
RaycastHit hit; // point where ray hits
if (Physics.Raycast(ray, out hit, maxRayDistance, floorMask))
{
Vector3 targetDirection = hit.point - turret.position;
targetDirection.y = 0f;
Vector3 turningDirection = Vector3.RotateTowards(turret.forward, targetDirection, turretTurningSpeed * Time.deltaTime, 0f);
turret.rotation = Quaternion.LookRotation(turningDirection);
}
// ****************
// FIRING
// set current weapon
shootingCooldown = projectiles[weaponIndex].GetComponent <Projectile>().shootingCooldown;
SetWeapon();
if (t <= 0) // cooling time ok --> proceed to fire
{
if (Input.GetButton("Fire1"))
{
if (gameController.CheckOkToShoot(weapon)) // enough ammo/power to fire
{
GameObject proj1 = Instantiate(projectiles[weaponIndex], muzzle.position, muzzle.rotation);
proj1.GetComponent <Projectile>().shooterTag = tag;
t = shootingCooldown;
// different muzzle flashes for AC and beam
if (weapon == Weapon.Autocannon)
{
bulletFlash.SetActive(true);
}
else if (weapon == Weapon.Beam)
{
beamFlash.SetActive(true);
}
}
}
else
{
bulletFlash.SetActive(false);
beamFlash.SetActive(false);
}
}
else
{
t -= Time.deltaTime;
}
}