/// <summary>
/// Primary blend funciton, will always use the terminating state's mandible muscle force and target offset.
/// This is to retain compatability with animations that rely on this blend funciton to work.
/// </summary>
/// <param name="targetState"></param>
/// <param name="blendFactor"></param>
public void blend(MusclePosition targetState, float blendFactor)
{
float modifiedBlendFactor = blendFactor;
if (blendFactor < 1.0f)
{
EasingFunctions.Ease(targetState.Easing, 0, 1, blendFactor, 1);
}
if (MuscleController.MovingTarget != null) //If this is null then the whole mandible simulation is invalid and its better to do nothing
{
MuscleController.changeForce("MovingMuscleDynamic", targetState.muscleForce);
MuscleController.MovingTarget.Offset = targetState.movingTargetPosition;
ControlPointBehavior leftCP = ControlPointController.getControlPoint("LeftCP");
float delta = targetState.leftCPPosition - leftCPPosition;
leftCP.setLocation(leftCPPosition + delta * modifiedBlendFactor);
ControlPointBehavior rightCP = ControlPointController.getControlPoint("RightCP");
delta = targetState.rightCPPosition - rightCPPosition;
rightCP.setLocation(rightCPPosition + delta * modifiedBlendFactor);
}
FKRoot pelvis;
if (pelvisChainState != null && targetState.pelvisChainState != null && PoseableObjectsManager.tryGetFkChainRoot("Pelvis", out pelvis))
{
//This creates garbage, but it is unknown if this has negative effects
FKChainState blendedState = new FKChainState();
blendedState.setToBlendOf(pelvisChainState, targetState.pelvisChainState, modifiedBlendFactor);
pelvis.applyChainState(blendedState);
}
}
public void applyChainState(FKChainState chain)
{
Vector3 startTranslation = parent.Translation;
Quaternion startRotation = parent.Rotation;
FKLinkState linkState = chain[Owner.Name];
//Figure out the new position using the parent's position.
Vector3 newTrans = startTranslation + Quaternion.quatRotate(startRotation, linkState.LocalTranslation);
Quaternion newRot = startRotation * linkState.LocalRotation;
//Transform to the real center point from the center of rotation
newTrans -= Quaternion.quatRotate(ref newRot, ref centerOfRotationOffset);
this.updatePosition(ref newTrans, ref newRot);
if (ChainStateApplied != null)
{
ChainStateApplied.Invoke(this, chain);
}
foreach (var child in children)
{
child.applyChainState(chain);
}
}
void fkElement_ChainStateApplied(FKElement element, FKChainState chainState)
{
foreach (String name in chain.ChainStateNames)
{
var state = chainState[name];
chain.setLinkState(name, state.LocalTranslation, state.LocalRotation);
}
}
public void addToChainState(FKChainState chain)
{
chain.setLinkState(Owner.Name, Owner.Translation, Owner.Rotation);
foreach (var child in children)
{
child.addToChainState(chain);
}
}
protected MusclePosition(LoadInfo info)
{
leftCPPosition = info.GetFloat(LEFT_CP_POSITION);
rightCPPosition = info.GetFloat(RIGHT_CP_POSITION);
movingTargetPosition = info.GetVector3(MOVING_TARGET_POSITION);
muscleForce = info.GetFloat(MUSCLE_FORCE);
pelvisChainState = info.GetValue <FKChainState>(PELIVS_CHAIN_STATE, null);
easingFunction = info.GetValue(EASING_FUNCTION, EasingFunction.None); //We use no easing for older muscle positions because this is how they were originally created, the new default is to use InOutQuadratic, however.
if (info.Version == 0)
{
leftCPPosition = UpgradeCpPosition(leftCPPosition);
rightCPPosition = UpgradeCpPosition(rightCPPosition);
}
}
public void addToChainState(FKChainState chain)
{
Quaternion inverseParentRot = parent.Rotation.inverse();
Vector3 parentTrans = parent.Translation;
Quaternion ourRotation = Owner.Rotation;
//Figure out the translation in parent space, first, however, we must transform the center of rotation offset by the current rotation.
//This makes the recorded translation offsets relative to the center of rotation point in world space instead of the center of this SimObject.
Vector3 localTranslation = Owner.Translation + Quaternion.quatRotate(ref ourRotation, ref centerOfRotationOffset) - parentTrans;
localTranslation = Quaternion.quatRotate(inverseParentRot, localTranslation);
Quaternion localRotation = inverseParentRot * ourRotation;
chain.setLinkState(Owner.Name, localTranslation, localRotation);
foreach (var child in children)
{
child.addToChainState(chain);
}
}
public void applyChainState(FKChainState chain)
{
updateAction = () =>
{
FKLinkState linkState = chain[Owner.Name];
Vector3 trans = linkState.LocalTranslation;
Quaternion rot = linkState.LocalRotation;
this.updatePosition(ref trans, ref rot);
if (ChainStateApplied != null)
{
ChainStateApplied.Invoke(this, chain);
}
foreach (var child in children)
{
child.applyChainState(chain);
}
};
}
/// <summary>
/// Set this chain state to the blended version of the passed start and end states.
/// </summary>
/// <param name="start">The start state.</param>
/// <param name="end">The end state.</param>
/// <param name="blendAmount">The amount to blend.</param>
public void setToBlendOf(FKChainState start, FKChainState end, float blendAmount)
{
if (blendAmount < 0.0f)
{
blendAmount = 0.0f;
}
else if (blendAmount > 1.0f)
{
blendAmount = 1.0f;
}
foreach (var stateName in start.ChainStateNames)
{
FKLinkState startState = start[stateName];
FKLinkState endState = end[stateName];
Vector3 trans = startState.getBlendedLocalTranslation(endState, blendAmount);
Quaternion rot = startState.getBlendedLocalRotation(endState, blendAmount);
setLinkState(stateName, trans, rot);
}
}
public void captureState()
{
MuscleBehavior movingMuscle = MuscleController.getMuscle("MovingMuscleDynamic");
if (movingMuscle != null)
{
muscleForce = movingMuscle.getForce();
}
if (MuscleController.MovingTarget != null)
{
movingTargetPosition = MuscleController.MovingTarget.Offset;
}
ControlPointBehavior leftCP = ControlPointController.getControlPoint("LeftCP");
ControlPointBehavior rightCP = ControlPointController.getControlPoint("RightCP");
if (leftCP != null)
{
leftCPPosition = leftCP.CurrentLocation;
}
if (rightCP != null)
{
rightCPPosition = rightCP.CurrentLocation;
}
//Setup the pelvis fk chain if available
FKRoot pelvis;
if (PoseableObjectsManager.tryGetFkChainRoot("Pelvis", out pelvis))
{
pelvisChainState = new FKChainState();
pelvis.addToChainState(pelvisChainState);
}
else
{
pelvisChainState = null;
}
}
