public override void Update()
{
base.Update();
foreach (Unit unit in Game.Unit_List)
{
if (unit == Caster)
{
continue;
}
IPair delta = Pos - unit.Pos;
int radius = (RADIUS + unit.Radius) * GameDef.PIXEL_SCALE;
if (delta.LengthSquare() > radius * radius || delta.Zero())
{
continue;
}
delta.ChangeLength(STRENGTH);
unit.AddRepulse(delta);
}
foreach (Missile missile in Game.Missile_List)
{
if (missile.Caster == Caster)
{
continue;
}
IPair delta = Pos - missile.Pos;
int radius = (RADIUS + missile.Radius) * GameDef.PIXEL_SCALE;
if (delta.LengthSquare() > radius * radius || delta.Zero())
{
continue;
}
delta.ChangeLength(STRENGTH);
missile.AddRepulse(delta);
}
}
public override Effect[] BeginCast(Unit unit, IPair destination)
{
IPair delta = destination - unit.Pos;
delta.ChangeLength(GameDef.UNIT_RADIUS * GameDef.PIXEL_SCALE);
Effect[] effect_list = new Effect[1];
effect_list[0] = new EFMakeFireBall(unit, delta);
effect_list[0].Register();
return(effect_list);
}
public override void Cast(Unit unit, IPair destination, Effect[] effect_list)
{
base.Cast(unit, destination, effect_list);
IPair delta = destination - unit.Pos;
if (delta.LengthSquare() > MAX_RANGE * MAX_RANGE)
{
delta.ChangeLength(MAX_RANGE);
}
unit.Pos.Add(delta);
}
public override void Update()
{
if (Game.Unit_List.Contains(target_))
{
IPair delta = target_.Pos - Pos;
if (repulse_.Zero() == false)
{
repulse_.ChangeLength(speed_ * 94 / 100);
delta.ChangeLength(speed_ - repulse_.Length());
}
else
{
delta.ChangeLength(speed_);
}
repulse_.Add(delta);
}
else
{
move_vector_ = null;
Explode = true;
}
base.Update();
}
public const int STRENGTH = 60; // as 50 damage spell
public MIGravity(Unit caster, IPair destination) : base(80, caster)
{
radius_ = RADIUS;
damage_ = 0;
speed_ = 450;
hurt_self_ = false;
explode_enemy_ = false;
explode_enemy_missile_ = false;
IPair delta = destination - caster.Pos;
move_vector_ = delta.Clone();
move_vector_.ChangeLength(speed_);
delta.ChangeLength(GameDef.UNIT_RADIUS * GameDef.PIXEL_SCALE);
Pos.Clone(caster.Pos);
Pos.Add(delta);
}
public MIFireBall(Unit caster, IPair destination) : base(66, caster)
{
radius_ = RADIUS;
damage_ = 700;
speed_ = 900; // x100
hurt_self_ = false;
explode_enemy_ = true;
explode_enemy_missile_ = true;
IPair delta = destination - caster.Pos;
move_vector_ = delta.Clone();
move_vector_.ChangeLength(speed_);
delta.ChangeLength(GameDef.UNIT_RADIUS * GameDef.PIXEL_SCALE);
Pos.Clone(caster.Pos);
Pos.Add(delta);
}