internal Organ(Guid dnauid, Organism organism, Organ parent, Vector2 position, float radius)
{
DNAUID = dnauid;
Organism = organism;
Parent = parent;
Radius = radius;
Body = new Body(organism.World, position, 0, BodyType.Dynamic, this);
Body.CreateFixture(new CircleShape(radius, 1), new OrganUserData()
{
Organ = this
});
Body.UserData = new OrganUserData()
{
Organ = this
};
if (parent != null)
{
Bone = new DistanceJoint(parent.Body, Body, Vector2.Zero, Vector2.Zero);
Bone.UserData = new BoneUserData()
{
From = parent, To = this
};
organism.World.AddJoint(Bone);
}
}
public Muscle(Organism organism, Organ from, Organ to, float fromRadialPosition, float toRadialPosition, float contractionFactor)
{
Organism = organism;
From = from;
To = to;
ContractionFactor = contractionFactor;
var angle = fromRadialPosition * Math.PI / 180.0;
var x = (float)Math.Cos(angle) * from.Radius;
var y = (float)Math.Sin(angle) * from.Radius;
var anchorFrom = new Vector2(x, y);
angle = toRadialPosition * Math.PI / 180.0;
x = (float)Math.Cos(angle) * to.Radius;
y = (float)Math.Sin(angle) * to.Radius;
var anchorTo = new Vector2(x, y);
Joint = new DistanceJoint(from.Body, to.Body, anchorFrom, anchorTo)
{
DampingRatio = 1, Frequency = 0.9f
};
Joint.UserData = new MuscleUserData()
{
Muscle = this
};
organism.World.AddJoint(Joint);
}
private void WriteOrgan(BinaryWriter writer, Organ organ)
{
writer.Write(organ.UID.ToString());
writer.Write(organ.Radius);
writer.Write(organ.RadialOrientation);
writer.Write(organ.Children.Count);
foreach (var child in organ.Children)
{
WriteOrgan(writer, child);
}
}
private static void CreateChildrenOrgan(Organ root, DNA.Organ dna, Vector2 worldPos)
{
foreach (var leaf in dna.Children)
{
var distance = dna.Radius + leaf.Radius + MinimumOrganDistance;
var angle = leaf.RadialOrientation * Math.PI / 180.0;
var x = (float)Math.Cos(angle) * distance;
var y = (float)Math.Sin(angle) * distance;
var position = new Vector2(x, y) + worldPos;
var child = new Organ(leaf.UID, root.Organism, root, position, leaf.Radius);
root.m_children.Add(child);
CreateChildrenOrgan(child, leaf, position);
}
}
private static Organ ReadOrgan(BinaryReader reader)
{
var organ = new Organ();
organ.UID = new Guid(reader.ReadString());
organ.Radius = reader.ReadSingle();
organ.RadialOrientation = reader.ReadSingle();
var c = reader.ReadInt32();
for (var i = 0; i < c; ++i)
{
organ.Children.Add(ReadOrgan(reader));
}
return(organ);
}
private static Organ FindOrgan(Organ root, Guid uid)
{
if (root.UID == uid)
{
return(root);
}
foreach (var child in root.Children)
{
var found = FindOrgan(child, uid);
if (found != null)
{
return(found);
}
}
return(null);
}