public override void Update()
{
if (IsDead)
{
if (--framesUntilRespawn == 0)
{
if (PlayerStatus.Lives == 0)
{
PlayerStatus.Reset();
Position = GameRoot.ScreenSize / 2;
}
GameRoot.Grid.ApplyDirectedForce(new Vector3(0, 0, 5000), new Vector3(Position, 0), 50);
}
return;
}
var aim = Input.GetAimDirection();
if (aim.LengthSquared() > 0 && cooldowmRemaining <= 0)
{
cooldowmRemaining = cooldownFrames;
float aimAngle = aim.ToAngle();
Quaternion aimQuat = Quaternion.CreateFromYawPitchRoll(0, 0, aimAngle);
float randomSpread = rand.NextFloat(-0.04f, 0.04f) + rand.NextFloat(-0.04f, 0.04f);
Vector2 vel = MathUtil.FromPolar(aimAngle + randomSpread, 11f);
Vector2 offset = Vector2.Transform(new Vector2(35, -8), aimQuat);
EntityManager.Add(new Bullet(Position + offset, vel));
offset = Vector2.Transform(new Vector2(35, 8), aimQuat);
EntityManager.Add(new Bullet(Position + offset, vel));
Sound.Shot.Play(0.2f, rand.NextFloat(-0.2f, 0.2f), 0);
}
if (cooldowmRemaining > 0)
{
cooldowmRemaining--;
}
const float speed = 8;
Velocity += speed * Input.GetMovementDirection();
Position += Velocity;
Position = Vector2.Clamp(Position, Size / 2, GameRoot.ScreenSize - Size / 2);
if (Velocity.LengthSquared() > 0)
{
Orientation = Velocity.ToAngle();
}
MakeExhaustFire();
Velocity = Vector2.Zero;
}
/// <summary>
/// The update loop for the player ship
/// </summary>
public override void Update()
{
// Check to see if the ship is dead
if (IsDead)
{
// Wait until the ship can respawn
if (--framesUntilRespawn == 0)
{
// Check to see if the player has no more lives
if (PlayerStatus.Lives <= 0)
{
// Reset all game information and go back to the main menu
EntityManager.Reset();
PlayerStatus.Reset();
GameBase.State = GameBase.GameState.MainMenu;
}
}
// End the update loop
return;
}
// NOTE: With regards to the firing, the maximum number of alloted shots on the screen is less than 10.
// In this kind of game, I personally find it incredibly tedious to have to worry about when to fire and
// a maximum carrying capacity of shots. Though it could be implemented easily, I prefer having an automatic
// stream of bullets in this kind of game
// Set the bullet aim direction as going directly up for the classic game mode
Vector2 aim = new Vector2(0, -1);
// Check to see if the player is in the free game mode
if (GameBase.State == GameBase.GameState.FreeGameplay)
{
// Set the aim as the mouse direction
aim = HandleInput.GetMouseAimDirection();
}
// If there is no more cooldown and there is a position to aim in
if (aim.LengthSquared() > 0 && cooldowmRemaining <= 0)
{
// Reset the cooldown
cooldowmRemaining = cooldownFrames;
// Get the aim angle
float aimAngle = aim.ToAngle();
Quaternion aimQuat = Quaternion.CreateFromYawPitchRoll(0, 0, aimAngle);
// Define the bullet velocity
Vector2 vel = 8f * new Vector2((float)Math.Cos(aimAngle), (float)Math.Sin(aimAngle));
// Define the bullet offset
Vector2 offset = Vector2.Transform(new Vector2(40, -8), aimQuat);
// Add the bullet to the entity manager
EntityManager.Add(new Bullet(Position + offset, vel));
// Player a shot sound effect
Sound.Shot.Play(0.2f, rand.NextFloat(-0.2f, 0.2f), 0);
}
// If there is a cooldown remaining, continue to wait
if (cooldowmRemaining > 0)
{
cooldowmRemaining--;
}
// Set the speed in pixels for the bullet
const float speed = 8;
// Set the velocity of the bullet as the speed times the movement direction
Velocity += speed * HandleInput.GetMovementDirection();
// Increase the position by the velocity and clamp it to the game window
Position += Velocity;
Position = Vector2.Clamp(Position, Size / 2, GameBase.ScreenSize - Size / 2);
// Set the bullet orientation
if (Velocity.LengthSquared() > 0)
{
Orientation = Velocity.ToAngle();
}
// Generate the ship exhaust fire upon movement and reset the velocity
MakeExhaustFire();
Velocity = Vector2.Zero;
}
