private void CreateShape(Microbe parent)
{
float pilusSize = 4.6f;
// Scale the size down for bacteria
if (organelle.ParentMicrobe.Species.IsBacteria)
{
pilusSize *= 0.5f;
}
// TODO: Godot doesn't have Cone shape.
// https://github.com/godotengine/godot-proposals/issues/610
// So this uses a cylinder for now
// Create the shape
var shape = new CylinderShape();
shape.Radius = pilusSize / 10.0f;
shape.Height = pilusSize;
var ownerId = parent.CreateShapeOwner(shape);
parent.ShapeOwnerAddShape(ownerId, shape);
parent.AddPilus(ownerId);
addedChildShapes.Add(ownerId);
}
public override void OnShapeParentChanged(Microbe newShapeParent, Vector3 offset)
{
// Check if the pilus exists
if (NeedsUpdateAnyway())
{
// Send the organelle positions to the membrane then update the pilus
currentShapesParent.SendOrganellePositionsToMembrane();
Update(0);
}
else
{
// Firstly the rotation relative to the master.
var position = organelle.RotatedPositionInsideColony(lastCalculatedPosition);
// Then the position
position += offset;
Vector3 middle = offset;
Vector3 membranePointDirection = (position - middle).Normalized();
position += membranePointDirection * Constants.DEFAULT_HEX_SIZE * 2;
// Pilus rotation
var angle = GetAngle(middle - position);
var rotation = MathUtils.CreateRotationForPhysicsOrganelle(angle);
var transform = new Transform(rotation, position);
// New ownerId
var ownerId = currentShapesParent.CreateNewOwnerId(newShapeParent, transform, addedChildShapes[0]);
newShapeParent.AddPilus(ownerId);
// Destroy the old shape owner
DestroyShape();
addedChildShapes.Add(ownerId);
}
currentShapesParent = newShapeParent;
}