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Prediction: add support for predicted objects which are children of parents with non-default scale

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mischa 2024-01-25 12:22:05 +01:00
parent 957e5c3283
commit 1e62b2450a
1 changed files with 25 additions and 4 deletions
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29
Assets/Mirror/Components/PredictedRigidbody/PredictedRigidbody.cs
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@ -132,10 +132,19 @@ protected virtual void CreateGhosts()
Debug.Log($"Separating Physics for {name}");
// create an empty GameObject with the same name + _Physical
// it's important to copy world position/rotation/scale, not local!
// because the original object may be a child of another.
//
// for example:
// parent (scale=1.5)
// child (scale=0.5)
//
// if we copy localScale then the copy has scale=0.5, where as the
// original would have a global scale of ~1.0.
physicsCopy = new GameObject($"{name}_Physical");
physicsCopy.transform.position = transform.position;
physicsCopy.transform.rotation = transform.rotation;
physicsCopy.transform.localScale = transform.localScale;
physicsCopy.transform.position = transform.position; // world position!
physicsCopy.transform.rotation = transform.rotation; // world rotation!
physicsCopy.transform.localScale = transform.lossyScale; // world scale!
// assign the same Layer for the physics copy.
// games may use a custom physics collision matrix, layer matters.
@ -159,7 +168,19 @@ protected virtual void CreateGhosts()
physicsGhostRigidbody.ghostEnabledCheckInterval = ghostEnabledCheckInterval;
// one for the latest remote state for comparison
// it's important to copy world position/rotation/scale, not local!
// because the original object may be a child of another.
//
// for example:
// parent (scale=1.5)
// child (scale=0.5)
//
// if we copy localScale then the copy has scale=0.5, where as the
// original would have a global scale of ~1.0.
remoteCopy = new GameObject($"{name}_Remote");
remoteCopy.transform.position = transform.position; // world position!
remoteCopy.transform.rotation = transform.rotation; // world rotation!
remoteCopy.transform.localScale = transform.lossyScale; // world scale!
PredictedRigidbodyRemoteGhost predictedGhost = remoteCopy.AddComponent<PredictedRigidbodyRemoteGhost>();
predictedGhost.target = this;
predictedGhost.ghostDistanceThreshold = ghostDistanceThreshold;
@ -388,7 +409,7 @@ void OnReceivedState(double timestamp, RigidbodyState state)
{
remoteCopy.transform.position = state.position;
remoteCopy.transform.rotation = state.rotation;
remoteCopy.transform.localScale = transform.localScale;
remoteCopy.transform.localScale = transform.lossyScale; // world scale! see CreateGhosts comment.
}
// OPTIONAL performance optimization when comparing idle objects.