public Quaternion LimitSwing(Quaternion rotation)
{
if (this.axis == Vector3.zero)
{
return(rotation);
}
if (rotation == Quaternion.identity)
{
return(rotation);
}
Vector3 vector = rotation * this.axis;
float num = RotationLimit.GetOrthogonalAngle(vector, base.secondaryAxis, this.axis);
float num2 = Vector3.Dot(vector, base.crossAxis);
if (num2 < 0f)
{
num = 180f + (180f - num);
}
float maxDegreesDelta = this.spline.Evaluate(num);
Quaternion to = Quaternion.FromToRotation(this.axis, vector);
Quaternion rotation2 = Quaternion.RotateTowards(Quaternion.identity, to, maxDegreesDelta);
Quaternion lhs = Quaternion.FromToRotation(vector, rotation2 * this.axis);
return(lhs * rotation);
}
protected override Quaternion LimitRotation(Quaternion rotation)
{
if (this.reachCones.Length == 0)
{
this.Start();
}
return(RotationLimit.LimitTwist(this.LimitSwing(rotation), this.axis, base.secondaryAxis, this.twistLimit));
}
private RotationLimit rotationLimit; // The Rotation Limit component
// Aim this part at the target
public void AimAt(Transform target) {
transform.LookAt(target.position, transform.up);
// Finding the Rotation Limit
if (rotationLimit == null) {
rotationLimit = transform.GetComponent<RotationLimit>();
rotationLimit.Disable();
}
// Apply rotation limits
rotationLimit.Apply();
}
private Quaternion LimitHinge(Quaternion rotation)
{
if (this.min == 0f && this.max == 0f && this.useLimits)
{
return(Quaternion.AngleAxis(0f, this.axis));
}
Quaternion quaternion = RotationLimit.Limit1DOF(rotation, this.axis);
if (!this.useLimits)
{
return(quaternion);
}
Quaternion quaternion2 = quaternion * Quaternion.Inverse(this.lastRotation);
float num = Quaternion.Angle(Quaternion.identity, quaternion2);
Vector3 vector = new Vector3(this.axis.z, this.axis.x, this.axis.y);
Vector3 rhs = Vector3.Cross(vector, this.axis);
if (Vector3.Dot(quaternion2 * vector, rhs) > 0f)
{
num = -num;
}
this.lastAngle = Mathf.Clamp(this.lastAngle + num, this.min, this.max);
return(Quaternion.AngleAxis(this.lastAngle, this.axis));
}
protected override Quaternion LimitRotation(Quaternion rotation)
{
Quaternion rotation2 = this.LimitSwing(rotation);
return(RotationLimit.LimitTwist(rotation2, this.axis, base.secondaryAxis, this.twistLimit));
}
protected override void OnUpdate()
{
if (this.axis == Vector3.zero)
{
if (!Warning.logged)
{
base.LogWarning("IKSolverAim axis is Vector3.zero.");
}
return;
}
if (this.poleAxis == Vector3.zero && this.poleWeight > 0f)
{
if (!Warning.logged)
{
base.LogWarning("IKSolverAim poleAxis is Vector3.zero.");
}
return;
}
if (this.target != null)
{
this.IKPosition = this.target.position;
}
if (this.poleTarget != null)
{
this.polePosition = this.poleTarget.position;
}
if (this.IKPositionWeight <= 0f)
{
return;
}
this.IKPositionWeight = Mathf.Clamp(this.IKPositionWeight, 0f, 1f);
if (this.transform != this.lastTransform)
{
this.transformLimit = this.transform.GetComponent <RotationLimit>();
if (this.transformLimit != null)
{
this.transformLimit.enabled = false;
}
this.lastTransform = this.transform;
}
if (this.transformLimit != null)
{
this.transformLimit.Apply();
}
if (this.transform == null)
{
if (!Warning.logged)
{
base.LogWarning("Aim Transform unassigned in Aim IK solver. Please Assign a Transform (lineal descendant to the last bone in the spine) that you want to be aimed at IKPosition");
}
return;
}
this.clampWeight = Mathf.Clamp(this.clampWeight, 0f, 1f);
this.clampedIKPosition = this.GetClampedIKPosition();
Vector3 b = this.clampedIKPosition - this.transform.position;
b = Vector3.Slerp(this.transformAxis * b.magnitude, b, this.IKPositionWeight);
this.clampedIKPosition = this.transform.position + b;
for (int i = 0; i < this.maxIterations; i++)
{
if (i >= 1 && this.tolerance > 0f && this.GetAngle() < this.tolerance)
{
break;
}
this.lastLocalDirection = this.localDirection;
if (this.OnPreIteration != null)
{
this.OnPreIteration(i);
}
this.Solve();
}
this.lastLocalDirection = this.localDirection;
}
protected override void OnUpdate()
{
if (axis == Vector3.zero) {
if (!Warning.logged) LogWarning("IKSolverAim axis is Vector3.zero.");
return;
}
// Clamping weights
if (IKPositionWeight <= 0) return;
IKPositionWeight = Mathf.Clamp(IKPositionWeight, 0f, 1f);
// Rotation Limit on the Aim Transform
if (transform != lastTransform) {
transformLimit = transform.GetComponent<RotationLimit>();
if (transformLimit != null) transformLimit.enabled = false;
lastTransform = transform;
}
if (transformLimit != null) transformLimit.Apply();
// In case transform becomes unassigned in runtime
if (transform == null) {
if (!Warning.logged) LogWarning("Aim Transform unassigned in Aim IK solver. Please Assign a Transform (lineal descendant to the last bone in the spine) that you want to be aimed at IKPosition");
return;
}
clampWeight = Mathf.Clamp(clampWeight, 0f, 1f);
clampedIKPosition = GetClampedIKPosition();
Vector3 dir = clampedIKPosition - transform.position;
dir = Vector3.Slerp(transformAxis * dir.magnitude, dir, IKPositionWeight);
clampedIKPosition = transform.position + dir;
// Iterating the solver
for (int i = 0; i < maxIterations; i++) {
// Optimizations
if (i >= 1 && tolerance > 0 && GetAngle() < tolerance) break;
lastLocalDirection = localDirection;
Solve();
}
lastLocalDirection = localDirection;
}
protected override Quaternion LimitRotation(Quaternion rotation)
{
return RotationLimit.LimitTwist(this.LimitSwing(rotation), this.axis, base.secondaryAxis, this.twistLimit);
}