public override IKSolver.Point GetPoint(Transform transform)
{
IKSolverLookAt.LookAtBone[] array = this.spine;
for (int i = 0; i < array.Length; i++)
{
IKSolverLookAt.LookAtBone lookAtBone = array[i];
if (lookAtBone.transform == transform)
{
return(lookAtBone);
}
}
IKSolverLookAt.LookAtBone[] array2 = this.eyes;
for (int j = 0; j < array2.Length; j++)
{
IKSolverLookAt.LookAtBone lookAtBone2 = array2[j];
if (lookAtBone2.transform == transform)
{
return(lookAtBone2);
}
}
if (this.head.transform == transform)
{
return(this.head);
}
return(null);
}
public bool SetChain(Transform[] spine, Transform head, Transform[] eyes, Transform root)
{
this.SetBones(spine, ref this.spine);
this.head = new IKSolverLookAt.LookAtBone(head);
this.SetBones(eyes, ref this.eyes);
base.Initiate(root);
return(base.initiated);
}
private static void DrawLookAtBoneInScene(IKSolverLookAt.LookAtBone bone, Vector3 IKPosition, Color color, float lineWeight)
{
Handles.color = color;
GUI.color = color;
Handles.SphereCap(0, bone.transform.position, Quaternion.identity, GetHandleSize(bone.transform.position));
// Draw a transparent line from last bone to IKPosition
if (Application.isPlaying && lineWeight > 0)
{
Handles.color = new Color(color.r, color.g, color.b, color.a * lineWeight);
Handles.DrawLine(bone.transform.position, IKPosition);
}
}
protected override void OnInitiate()
{
if (this.firstInitiation || !Application.isPlaying)
{
if (this.spine.Length > 0)
{
this.IKPosition = this.spine[this.spine.Length - 1].transform.position + this.root.forward * 3f;
}
else if (this.head.transform != null)
{
this.IKPosition = this.head.transform.position + this.root.forward * 3f;
}
else if (this.eyes.Length > 0 && this.eyes[0].transform != null)
{
this.IKPosition = this.eyes[0].transform.position + this.root.forward * 3f;
}
}
IKSolverLookAt.LookAtBone[] array = this.spine;
for (int i = 0; i < array.Length; i++)
{
IKSolverLookAt.LookAtBone lookAtBone = array[i];
lookAtBone.Initiate(this.root);
}
if (this.head != null)
{
this.head.Initiate(this.root);
}
IKSolverLookAt.LookAtBone[] array2 = this.eyes;
for (int j = 0; j < array2.Length; j++)
{
IKSolverLookAt.LookAtBone lookAtBone2 = array2[j];
lookAtBone2.Initiate(this.root);
}
if (this.spineForwards == null || this.spineForwards.Length != this.spine.Length)
{
this.spineForwards = new Vector3[this.spine.Length];
}
if (this.headForwards == null)
{
this.headForwards = new Vector3[1];
}
if (this.eyeForward == null)
{
this.eyeForward = new Vector3[1];
}
}
private void SetBones(Transform[] array, ref IKSolverLookAt.LookAtBone[] bones)
{
if (array == null)
{
bones = new IKSolverLookAt.LookAtBone[0];
return;
}
if (bones.Length != array.Length)
{
bones = new IKSolverLookAt.LookAtBone[array.Length];
}
for (int i = 0; i < array.Length; i++)
{
if (bones[i] == null)
{
bones[i] = new IKSolverLookAt.LookAtBone(array[i]);
}
}
}
/*
* Draws the scene view helpers for IKSolverLookAt
* */
public static void AddScene(IKSolverLookAt solver, Color color, bool modifiable)
{
// Protect from null reference errors
if (Application.isPlaying && !solver.initiated)
{
return;
}
if (!Application.isPlaying && !solver.IsValid())
{
return;
}
// Display the Spine
if (solver.spine.Length > 0)
{
Handles.color = color;
GUI.color = color;
for (int i = 0; i < solver.spine.Length; i++)
{
IKSolverLookAt.LookAtBone bone = solver.spine[i];
if (i < solver.spine.Length - 1)
{
Handles.DrawLine(bone.transform.position, solver.spine[i + 1].transform.position);
}
Handles.SphereCap(0, bone.transform.position, Quaternion.identity, GetHandleSize(bone.transform.position));
}
// Draw a transparent line from last bone to IKPosition
if (Application.isPlaying)
{
Handles.color = new Color(color.r, color.g, color.b, color.a * solver.IKPositionWeight * solver.bodyWeight);
Handles.DrawLine(solver.spine[solver.spine.Length - 1].transform.position, solver.IKPosition);
}
}
// Display the eyes
if (solver.eyes.Length > 0)
{
for (int i = 0; i < solver.eyes.Length; i++)
{
DrawLookAtBoneInScene(solver.eyes[i], solver.IKPosition, color, solver.IKPositionWeight * solver.eyesWeight);
}
}
// Display the head
if (solver.head.transform != null)
{
DrawLookAtBoneInScene(solver.head, solver.IKPosition, color, solver.IKPositionWeight * solver.headWeight);
}
Handles.color = color;
GUI.color = color;
// Selecting joint and manipulating IKPosition
if (Application.isPlaying && solver.IKPositionWeight > 0)
{
if (modifiable)
{
Handles.SphereCap(0, solver.IKPosition, Quaternion.identity, GetHandleSize(solver.IKPosition));
// Manipulating position
if (solver.target == null)
{
solver.IKPosition = Handles.PositionHandle(solver.IKPosition, Quaternion.identity);
}
}
}
Handles.color = Color.white;
GUI.color = Color.white;
}
