private void OnEnable()
{
//Get the two bone IK component running for the foor
mTwoBoneIKConstraint = GetComponent <TwoBoneIKConstraint>();
//initialize the position of the foot target as the tip of the two bone ik.
transform.position = tip.position;
}
void Awake()
{
ikConstraint = transform.GetComponent <TwoBoneIKConstraint>();
target = new GameObject(transform.name + "_Target").transform;
target.position = transform.position;
hint = new GameObject(transform.name + "_Pole").transform;
hint.position = transform.position;
ikConstraint.data.target = target;
ikConstraint.data.hint = hint;
}
public virtual IEnumerator LerpFloat(TwoBoneIKConstraint twoBone, float lerpTo)
{
float timeElapsed = 0;
float moveDuration = 0.5f;
float currentWeight = twoBone.weight;
while (timeElapsed < moveDuration)
{
timeElapsed += Time.deltaTime;
float normalizedTime = timeElapsed / moveDuration;
twoBone.weight = Mathf.Lerp(twoBone.weight, lerpTo, normalizedTime);
yield return(null);
}
}
public void CreateRig()
{
if (rigBuilder == null)
{
rigBuilder = transform.parent.gameObject.AddComponent <RigBuilder>();
}
if (rigGameObject == null)
{
rigGameObject = new GameObject("rig");
rigGameObject.transform.SetParent(rigBuilder.transform);
}
if (rig == null)
{
rig = rigGameObject.AddComponent <Rig>();
rigBuilder.layers.Add(new RigLayer(rig));
}
if (twoBoneManager == null)
{
twoBoneManager = new GameObject("ik");
twoBoneManager.transform.SetParent(rigGameObject.transform);
}
twoBoneManager.transform.position = lowLegPosition.position;
if (twoBoneIK == null)
{
twoBoneIK = twoBoneManager.AddComponent <TwoBoneIKConstraint>();
twoBoneIK.data.root = upLegPivot.transform;
twoBoneIK.data.mid = midLegPivot.transform;
twoBoneIK.data.tip = lowLegPivot.transform;
twoBoneIK.data.target = twoBoneManager.transform;
}
if (hint == null)
{
hint = new GameObject("hint");
hint.transform.SetParent(twoBoneManager.transform);
twoBoneIK.data.hint = hint.transform;
}
hint.transform.position = midLegPosition.position + new Vector3(0, 0, 1);
}
private void ToggleLedgeGrabArm(Vector3 ledgePoint, Vector3 ledgeNormal)
{
foreach (Transform bone in controlBones)
{
if (bone.name == "Arm_IK_R")
{
TwoBoneIKConstraint twoBone = bone.GetComponent <TwoBoneIKConstraint>();
if (ledgePoint != Vector3.zero)
{
twoBone.transform.position += ledgePoint;
twoBone.weight = 1f;
twoBone.transform.rotation = Quaternion.LookRotation(new Vector3(-ledgeNormal.x, 0, -ledgeNormal.z));
}
else
{
twoBone.weight = 0f;
}
}
}
}
private void ToggleAimBuster(Transform other)
{
foreach (Transform bone in controlBones)
{
if (bone.name == "Arm_IK_L")
{
IK_Follow ik_follow = bone.GetComponent <IK_Follow>();
TwoBoneIKConstraint twobone = bone.GetComponent <TwoBoneIKConstraint>();
if (other != null)
{
ik_follow.target = other;
StartCoroutine(LerpFloat(twobone, 1f));
}
else
{
ik_follow.target = null;
StartCoroutine(LerpFloat(twobone, 0f));
}
}
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="baseConstraint">Base constraint to override.</param>
public TwoBoneIKInverseConstraint(TwoBoneIKConstraint baseConstraint) : base(baseConstraint)
{
}
public static void TwoBoneIKAutoSetupUtility(TwoBoneIKConstraint constraint)
{
var tip = constraint.data.tip;
if (!constraint.data.mid)
{
Undo.RecordObject(constraint, "Setup mid bone for TwoBoneIK");
constraint.data.mid = tip.parent;
if (PrefabUtility.IsPartOfPrefabInstance(constraint))
{
EditorUtility.SetDirty(constraint);
}
}
if (!constraint.data.root)
{
Undo.RecordObject(constraint, "Setup root bone for TwoBoneIK");
constraint.data.root = tip.parent.parent;
if (PrefabUtility.IsPartOfPrefabInstance(constraint))
{
EditorUtility.SetDirty(constraint);
}
}
if (!constraint.data.target)
{
var target = constraint.transform.Find(constraint.gameObject.name + "_target");
if (target == null)
{
var t = new GameObject();
Undo.RegisterCreatedObjectUndo(t, "Created target");
t.name = constraint.gameObject.name + "_target";
Undo.SetTransformParent(t.transform, constraint.transform, "Set new parent");
target = t.transform;
if (PrefabUtility.IsPartOfPrefabInstance(constraint))
{
EditorUtility.SetDirty(constraint);
}
}
constraint.data.target = target;
}
if (!constraint.data.hint)
{
var hint = constraint.transform.Find(constraint.gameObject.name + "_hint");
if (hint == null)
{
var t = new GameObject();
Undo.RegisterCreatedObjectUndo(t, "Created hint");
t.name = constraint.gameObject.name + "_hint";
Undo.SetTransformParent(t.transform, constraint.transform, "Set new parent");
hint = t.transform;
}
constraint.data.hint = hint;
if (PrefabUtility.IsPartOfPrefabInstance(constraint))
{
EditorUtility.SetDirty(constraint);
}
}
// align target and hint to bones
constraint.data.target.position = constraint.data.tip.position;
constraint.data.target.rotation = constraint.data.tip.rotation;
constraint.data.hint.position = constraint.data.mid.position;
constraint.data.hint.rotation = constraint.data.mid.rotation;
}
// Start is called before the first frame update
void Start()
{
iK = GetComponent <TwoBoneIKConstraint>();
}
