/// <summary>
/// Fire a bullet from the weapon
/// </summary>
/// <param name="direction">The speed that the bullet is moving</param>
public override bool Fire(Vector2 direction)
{
ControlManager controlManager = ControlManager.Instance;
//Check if click condition is met
if (controlManager.ControlPressed(Control_Types.Fire))
{
if (controlManager.ControlReleased(Control_Types.Fire))
{
if (!Fired && !Reload && clip <= 0)
{
Reload = true;
return(false);
}
}
//Check user can fire or if they need to reload
if (!Fired && !Reload && clip > 0)
{
Fired = true;
clip--;
float degree = (float)(Math.PI / 180);
//Take the gun's current angle (a property) and create a rotation matrix out of it
Matrix rotationMatrix = Matrix.CreateRotationZ(Angle);
switch (Dir)
{
case Weapons.Weapon_Dir.UpEast:
case Weapons.Weapon_Dir.DownEast:
case Weapons.Weapon_Dir.DownRight:
case Weapons.Weapon_Dir.Right:
case Weapons.Weapon_Dir.UpRight:
rotationMatrix.M21 = (float)Math.Sin(Angle + Math.PI);
rotationMatrix.M22 = -(float)Math.Cos(Angle - Math.PI);
break;
}
Matrix b1 = Matrix.CreateRotationZ(degree * rand.Next(-10, 11));
Matrix b2 = Matrix.CreateRotationZ(degree * rand.Next(-10, 11));
Matrix b3 = Matrix.CreateRotationZ(degree * rand.Next(-10, 11));
//Take the rotation matrix and transform the offset vector by it
//The offset vector is an approximation of where the muzzle should be when added to the bullet's position
//Remember the bullet's position is the top left of its bouunding box
Vector2 bulletPosition = Vector2.Transform(bulletOffset, rotationMatrix);
Vector2 direction1 = Vector2.Transform(direction, b1);
Vector2 direction2 = Vector2.Transform(direction, b2);
Vector2 direction3 = Vector2.Transform(direction, b3);
//Create the bullet at the actual position of the bullet + the rotated position
ProjectileManager.Instance.Clone(ProjType, Position + bulletPosition, direction1, Angle + ((float)Math.PI / 2), owner, WeapRange);
ProjectileManager.Instance.Clone(ProjType, Position + bulletPosition, direction2, Angle + ((float)Math.PI / 2), owner, WeapRange);
ProjectileManager.Instance.Clone(ProjType, Position + bulletPosition, direction3, Angle + ((float)Math.PI / 2), owner, WeapRange);
AudioManager.Instance.GetSoundEffect("ShotgunShoot").Play();
return(true);
}
}
return(false);
}