const double RADIANS_BETWEEN_PROJECTILES = Math.PI / 36.0; // ~5 degrees
void CastChampionSpell(ICharacter champ, PlayerAction action)
{
Debug.Assert(action.Target != null);
// aim in the direction of the spell
champ.FacingLeft = action.Target.X < champ.Position.X + champ.CollisionWidth / 2f;
SpellTypes type = ChampionTypesHelper.GetSpellFromAction(champ.Type, action.Type);
int projectiles = SpellsHelper.Info(type).Projectiles;
Vec2 spawn = champ.GetHandsPosition();
double angle = 0.0;
if (action.Target != null) {
Vec2 dir = action.Target - spawn;
angle = Math.Atan2(dir.Y, dir.X); // current angle
double completeArc = RADIANS_BETWEEN_PROJECTILES * (projectiles - 1); // complete arc that we'll cover
angle -= completeArc / 2f; // start from the lowest angle
}
for (int i = 0; i < projectiles; ++i) {
Vec2 dir = Vec2.Zero;
if (action.Target != null) {
double current = angle + i * RADIANS_BETWEEN_PROJECTILES;
dir = new Vec2((float)Math.Cos(current), (float)Math.Sin(current));
}
LinearSpell spell = new LinearSpell(
IDGenerator.GenerateID(),
champ.Team,
spawn,
spawn + dir,
type,
champ);
CastSpell(spell, action.Target);
}
}
