/// <summary>
/// Creates native instance given current properties.
/// </summary>
/// <returns>Native instance of this node.</returns>
protected override bool Initialize()
{
RigidBody rb = null;
Collide.Shape shape = null;
if (Parent != null)
{
rb = Parent.GetInitializedComponentInParent <RigidBody>();
shape = Parent.GetInitializedComponentInParent <Collide.Shape>();
}
// We don't know if the parent is the rigid body.
// It could be a mesh, or some other object.
// Also - use world position if Type == FreeNode.
agx.Vec3 point = rb != null && Type != Wire.NodeType.FreeNode ?
CalculateLocalPosition(rb.gameObject).ToHandedVec3() :
Position.ToHandedVec3();
agx.RigidBody nativeRb = rb != null ? rb.Native : null;
if (Type == Wire.NodeType.BodyFixedNode)
{
Native = new agxWire.BodyFixedNode(nativeRb, point);
}
// Create a free node if type is contact and shape == null.
else if (Type == Wire.NodeType.FreeNode || (Type == Wire.NodeType.ContactNode && shape == null))
{
Native = new agxWire.FreeNode(point);
}
else if (Type == Wire.NodeType.ConnectingNode)
{
Native = new agxWire.ConnectingNode(nativeRb, point, double.PositiveInfinity);
}
else if (Type == Wire.NodeType.EyeNode)
{
Native = new agxWire.EyeNode(nativeRb, point);
}
else if (Type == Wire.NodeType.ContactNode)
{
Native = new agxWire.ContactNode(shape.NativeGeometry, CalculateLocalPosition(shape.gameObject).ToHandedVec3());
}
else if (Type == Wire.NodeType.WinchNode)
{
if (m_winch == null)
{
throw new AgXUnity.Exception("No reference to a wire winch component in the winch node.");
}
m_winch.GetInitialized <WireWinch>();
Native = m_winch.Native != null?m_winch.Native.getStopNode() : null;
}
return(Native != null);
}
private Data CollectData(bool propagateToChildren)
{
Data data = new Data();
RigidBody rb = GetComponent <RigidBody>();
Collide.Shape shape = rb != null ? null : GetComponent <Collide.Shape>();
Wire wire = rb != null || shape != null ? null : GetComponent <Wire>();
Cable cable = rb != null || shape != null || wire != null ? null : GetComponent <Cable>();
bool allPredefinedAreNull = rb == null && shape == null && wire == null && cable == null;
if (allPredefinedAreNull && propagateToChildren)
{
data.Shapes = GetComponentsInChildren <Collide.Shape>();
data.Wires = GetComponentsInChildren <Wire>();
data.Cables = GetComponentsInChildren <Cable>();
}
// A wire is by definition independent of PropagateToChildren, since
// it's not defined to add children to a wire game object.
else if (wire != null)
{
data.Wires = new Wire[] { wire };
}
// Same logics for Cable.
else if (cable != null)
{
data.Cables = new Cable[] { cable };
}
// Bodies have shapes so if 'rb' != null we should collect all shape children
// independent of 'propagate' flag.
// If 'shape' != null and propagate is true we have the same condition as for bodies.
else if (rb != null || shape != null || (rb == null && shape == null && propagateToChildren))
{
data.Shapes = shape != null && !propagateToChildren?GetComponents <Collide.Shape>() :
shape != null || rb != null?GetComponentsInChildren <Collide.Shape>() :
// Both shape and rb == null and PropagateToChildren == true.
GetComponentsInChildren <Collide.Shape>();
}
else
{
// These groups has no effect.
Debug.LogWarning("Collision groups has no effect. Are you missing a PropagateToChildren = true?", this);
}
return(data);
}