public BulletModel(string visual, Vector2 position, UnitModel target, float speed)
{
Visual = visual;
_startPosition = position;
_target = target;
_speed = speed;
Position = position + (_target.Position - position).normalized / 2f;
_startPosition = Position;
Direction = (_target.Position - Position).normalized;
_time = Position.DistanceTo(_target.Position) / speed;
}
public void Update(float deltaTime)
{
if (_target != null)
{
if (Position.DistanceTo(_target.Position) > TowerAI.Radius)
{
ClearTarget();
}
}
if (_target == null)
{
var left = Position.x - TowerAI.Radius;
var right = Position.x + TowerAI.Radius;
var top = Position.y + TowerAI.Radius;
var bottom = Position.y - TowerAI.Radius;
float distance = TowerAI.Radius;
UnitModel selectedUnit = null;
foreach (var unit in _map.Units)
{
if (unit.Position.x >= left && unit.Position.y <= right && unit.Position.y >= bottom && unit.Position.y <= top)
{
var dist = Position.DistanceTo(unit.Position);
if (dist <= distance)
{
distance = dist;
selectedUnit = unit;
}
}
}
if (selectedUnit != null)
{
SetTarget(selectedUnit);
}
}
Direction = _target == null ? Vector2.up : (_target.Position - Position).normalized;
if (_target != null)
{
TowerAI.Update(deltaTime);
}
}
public RocketModel(string visual, Vector2 position, UnitModel target, float speed) : base(visual, position, target, speed)
{
_startDistance = Position.DistanceTo(_target.Position);
_time = Mathf.Sqrt(2 * _startDistance / speed);
}
