public ComponentShield( Ship arg_ship, float arg_size, ShieldTemplate arg_template): base(arg_ship, arg_ship.template.component_shield_pos, arg_size, arg_template)
{
template = arg_template;
radius = arg_ship.template.shield_radius;
hitbox = new HitboxCircle(radius);
art = ArtManager.shields[template.art_resource].New(radius, size);
shield_resistance = template.shield_resistance * SHIELD_BASE_RESISTANCE;
max_integrity = (arg_template.integrity * arg_size * Utility.Sqrt(arg_size));
regen_rate = (arg_template.regen / GameConst.framerate) * arg_size;
integrity = max_integrity;
reform_integrity = max_integrity * template.reform_integrity;
active = true;
}
public virtual Intersection Intersect( Hitbox hitbox )
{
return null;
}
public override Intersection Intersect(Hitbox hitbox)
{
if (!this.WithinRadius(hitbox)) { return null; }
if (hitbox is HitboxCircle)
{
return this.IntersectCircle((HitboxCircle)hitbox);
}
if (hitbox is HitboxPolygon)
{
return this.IntersectPolygon((HitboxPolygon)hitbox);
}
return null;
}
// as above
public bool WithinRadius(Hitbox hitbox)
{
float combined_radsq = radius + hitbox.radius;
combined_radsq *= combined_radsq;
return Vector2.DistanceSquared(pos, hitbox.pos) < (combined_radsq);
}
public override Intersection Intersect(Hitbox hitbox)
{
if (!this.WithinRadius(hitbox)) { return null; }
if (hitbox is HitboxCircle)
{
// if both hitboxes are circles, then the ContainsExclusion test
// is the same as the collision test.
// So a collision has occurred
Intersection sect = new Intersection();
sect.position = ((hitbox.pos * radius) + (pos * hitbox.radius)) / (radius + hitbox.radius);
sect.surface_normal = Utility.Angle(pos - hitbox.pos);
sect.overlap = (radius - (sect.position - pos).Length())*2;
return sect;
}
if ( hitbox is HitboxPolygon )
{
// YEA. DO THAT.
return ((HitboxPolygon)hitbox).IntersectCircle(this);
}
return null;
}