public void Fire(UserControlledCharacter character, EngineGame world, GameTime gameTime, double holdTime, bool charged)
{
Arrow arrow = new Arrow(
new Vector2(character.Physics.Position.X,// + UserControlledCharacter.X_OFFSET,
character.Physics.Position.Y + UserControlledCharacter.Y_OFFSET));
world.LevelManager.RegisterEntity(arrow);
character.InHold = false;
var elapsedTime = Math.Min(gameTime.TotalGameTime.TotalSeconds - holdTime, MAX_ARROW_HOLD);
// linear interp: y = 500 + (x - 0)(1300 - 500)/(MAX_HOLD-0) x = elapsedTime
float speed =
MIN_ARROW_INIT_SPEED + (MAX_ARROW_INIT_SPEED - MIN_ARROW_INIT_SPEED) /
MAX_ARROW_HOLD *
(float)elapsedTime;
Vector2 initialVelocity = PhysicsConstants.PixelsToMeters(speed * character.Direction);
if (character.Direction.Y == 0)
{
var rotation = (float)Math.PI / 32;
rotation *= character.Direction.X > 0
? -1
: 1;
initialVelocity = Vector2.Transform(initialVelocity, Matrix.CreateRotationZ(rotation));
arrow.Physics.Rotation = rotation;
}
arrow.Physics.LinearVelocity += initialVelocity;
}
protected virtual bool OnCollidedWith(Fixture f, Arrow arrow, Fixture af, Contact info)
{
health -= 100;
return true;
}
