public override void DoPhysics()
{
// get direction to the current target
Vector2 direction = OwnMath.GetDirectionToPoint(Position.ToPoint(), targetPos.ToPoint());
// get the angle between the zombie and the player
float angle = OwnMath.CalculateAngleBetweenPoints(Position.ToPoint(), targetPos.ToPoint());
float distance = direction.Length(); // distance equals the length of the vector
direction.Normalize(); // normalize the direction to units
// move the zombie and set the animation if the zombie didnt reach the player
// basically follow the player
if (distance > ATTACK_DISTANCE)
{
currentAnimationKey = MOVE_ANIMATION_KEY;
_physics.position.X += direction.X * _physics.speed;
_physics.position.Y += direction.Y * _physics.speed;
}
else // if reached invoke the attack according to the fire rate
{
currentAnimationKey = ATTACK_ANIMATION_KEY; // set the animation to attack
attackTimer += gameTime.ElapsedGameTime.Milliseconds; // increase time
if (attackTimer >= ATTACK_ANIMATION_TIMER)
{
// Attack
zombieAttack.Invoke();
attackTimer = 0; // reset timer after reaching max
}
}
_physics.rotation = angle;
}
public override void DoPhysics()
{
Input.Cursor.Update(gameTime);
// Rotation regarding the cursor class
_physics.rotation = OwnMath.CalculateAngleBetweenPoints(Position.ToPoint(), Input.Cursor.Position.ToPoint());
// Make sure that the player does not go out of bounds
Position = new Vector2(MathHelper.Clamp(Position.X, 80, gameWidth - 80),
MathHelper.Clamp(Position.Y, 80, gameHeight - 80));
}
public Bullet(Texture2D Texture, Player player)
{
Random r = new Random();
this.Texture = Texture;
this.player = player;
damage = player.Damage;
Console.WriteLine(damage);
// spawn from the origin of the player
Position = player.Position;
// calculcate which direction the bullet will go
direction = OwnMath.GetDirectionToPoint(player.Position.ToPoint(), player.Input.Cursor.Position.ToPoint());
// get the rotation to the mouse pointer (equal be the player._physics.rotation)
rotation = OwnMath.CalculateAngleBetweenPoints(player.Position.ToPoint(), player.Input.Cursor.Position.ToPoint());
// default speed
speed = 5f;
}
