private void Gizmos_DrawArrowGuide()
{
if (BaseTransform == null)
{
return;
}
if (LeadBone == null)
{
return;
}
if (_editor_arrowsAlpha > 0f)
{
float d = Vector3.Distance(LeadBone.position, BaseTransform.position);
Vector3 arrowStart = Vector3.Lerp(BaseTransform.position, LeadBone.position, 0.7f);
Handles.color = new Color(0.05f, 0.225f, 1f, 0.9f * _editor_arrowsAlpha);
FGUI_Handles.DrawArrow(BaseTransform.TransformDirection(ModelForwardAxis) * d * .22f + arrowStart, Quaternion.LookRotation(BaseTransform.TransformDirection(ModelForwardAxis), BaseTransform.TransformDirection(ModelUpAxis)), d * 0.2f);
Handles.color = new Color(0.05f, 0.8f, 0.05f, 0.75f * _editor_arrowsAlpha);
arrowStart = LeadBone.position + BaseTransform.TransformDirection(ModelUpAxis) * d * .285f;
FGUI_Handles.DrawArrow(arrowStart, Quaternion.LookRotation(BaseTransform.TransformDirection(ModelUpAxis), BaseTransform.TransformDirection(ModelForwardAxis)), d * 0.15f, 4f, 0.5f);
}
if (_editor_arrowsAlpha > -0.1f)
{
_editor_arrowsAlpha -= 0.0125f;
}
}
/// <summary>
/// Main head look rotation calculations logics execution
/// </summary>
private void CalculateLookAnimation()
{
// Begin check for stop lokoing
_stopLooking = false;
// Stopping looking when object to follow is null
if (FollowMode != EFFollowMode.FollowJustPosition)
{
if (ObjectToFollow == null)
{
if (MomentLookTransform == null)
{
_stopLooking = true;
}
}
}
Vector3 lookRotation;
LookPositionUpdate();
LookWhenAboveGoBackCalculations();
// When stopping look, we don't want head to goo too fast onto forward look pose
if (_stopLooking)
{
finalLookPosition = transform.TransformPoint(lookFreezeFocusPoint);
}
else
{
if (!BirdMode)
{
finalLookPosition = smoothLookPosition;
}
else
{
finalLookPosition = BirdTargetPosition;
}
}
if (FixingPreset != EFAxisFixOrder.Parental)
{
#region Calculating target rotation and angles
// If our target is out of max distance let's look at default direction
if (LookState == EFHeadLookState.OutOfMaxDistance)
{
targetLookAngles = Vector3.MoveTowards(targetLookAngles, Vector3.zero, 1f + RotationSpeed);
}
else
{
// Direction towards target in different spaces
Vector3 worldDirectionAndTargetAngles = (finalLookPosition - GetLookStartMeasurePosition()).normalized;
// Supporting different axis orientation using matrix
if (usingAxisCorrection)
{
worldDirectionAndTargetAngles = axisCorrectionMatrix.inverse.MultiplyVector(worldDirectionAndTargetAngles).normalized;
worldDirectionAndTargetAngles = WrapVector(Quaternion.LookRotation(worldDirectionAndTargetAngles, axisCorrectionMatrix.MultiplyVector(ModelUpAxis).normalized).eulerAngles);
}
else // Easier calculations when using standard z - forward - y up
{
worldDirectionAndTargetAngles = BaseTransform.InverseTransformDirection(worldDirectionAndTargetAngles);
worldDirectionAndTargetAngles = WrapVector(Quaternion.LookRotation(worldDirectionAndTargetAngles, BaseTransform.TransformDirection(ModelUpAxis)).eulerAngles);
}
targetLookAngles = worldDirectionAndTargetAngles;
}
Vector2 angles = targetLookAngles;
angles = LimitAnglesCalculations(angles);
AnimateAnglesTowards(angles);
#endregion
// Character rotation offset
if (usingAxisCorrection)
{
Quaternion fromto = Quaternion.FromToRotation(Vector3.right, Vector3.Cross(Vector3.up, ModelForwardAxis));
fromto = Quaternion.Euler(finalLookAngles) * fromto * BaseTransform.rotation;
lookRotation = fromto.eulerAngles;
}
else
{
lookRotation = finalLookAngles + BaseTransform.eulerAngles;
}
// Additional operations
lookRotation += RotationOffset;
lookRotation = ConvertFlippedAxes(lookRotation);
}
else // Universal correction method
{
lookRotation = LookRotationParental((finalLookPosition - GetLookStartMeasurePosition()).normalized).eulerAngles;
lookRotation += RotationOffset;
}
if (!_stopLooking)
{
lookFreezeFocusPoint = BaseTransform.InverseTransformPoint(finalLookPosition);
}
targetLookRotation = Quaternion.Euler(lookRotation);
SetTargetBonesRotations();
}
/// <summary>
/// Correction matrix for axis correction calculations
/// </summary>
private void UpdateCorrectionMatrix()
{
// Supporting different axis orientation using matrix
if (ModelUpAxis != Vector3.up || ModelForwardAxis != Vector3.forward)
{
usingAxisCorrection = true;
axisCorrectionMatrix = Matrix4x4.TRS(BaseTransform.position, Quaternion.LookRotation(BaseTransform.TransformDirection(ModelForwardAxis), BaseTransform.TransformDirection(ModelUpAxis)), BaseTransform.lossyScale);
}
else // Easier calculations when using standard z - forward - y up
{
usingAxisCorrection = false;
}
}
/// <summary>
/// Getting position in front of head bone
/// </summary>
public Vector3 GetForwardPosition()
{
return(LeadBone.position + BaseTransform.TransformDirection(ModelForwardAxis));
}
private void Gizmos_DrawBones()
{
if (LeadBone == null)
{
return;
}
Color c = Handles.color;
Color boneColor = new Color(0.075f, .85f, 0.3f, gizmosAlpha * 0.7f);
Handles.color = boneColor;
Vector3 f = BaseTransform.TransformDirection(ModelForwardAxis);
if (LeadBone.childCount > 0)
{
FGUI_Handles.DrawBoneHandle(LeadBone.position, LeadBone.position + BaseTransform.TransformDirection(ModelUpAxis) * Vector3.Distance(LeadBone.position, LeadBone.parent.position) / 2f, f);
}
if (LookBones.Count > 0)
{
// Drawing back-bones
for (int i = 1; i < LookBones.Count; i++)
{
if (LookBones[i].Transform != null)
{
if (LookBones[i] == null)
{
continue;
}
FGUI_Handles.DrawBoneHandle(LookBones[i].Transform.position, LookBones[i - 1].Transform.position, f);
}
}
if (LookBones.Count > 1)
{
FGUI_Handles.DrawBoneHandle(LookBones[1].Transform.position, LeadBone.position, f);
}
}
Handles.SphereHandleCap(0, LeadBone.position, Quaternion.identity, _gizmosDist * 0.025f, EventType.Repaint);
for (int i = 0; i < LeadBone.childCount; i++)
{
Handles.color = new Color(0.8f, .8f, 0.8f, gizmosAlpha * 0.25f);
Handles.DrawDottedLine(LeadBone.position, LeadBone.GetChild(i).position, 2.5f);
Handles.color = new Color(0.8f, .8f, 0.8f, gizmosAlpha * 0.1f);
Handles.SphereHandleCap(0, LeadBone.GetChild(i).position, Quaternion.identity, _gizmosDist * 0.01f, EventType.Repaint);
}
if (LookBones.Count > 1)
{
if (LookBones[LookBones.Count - 1].Transform.parent)
{
Handles.color = new Color(0.8f, .8f, 0.8f, gizmosAlpha * 0.25f);
Handles.DrawDottedLine(LookBones[LookBones.Count - 1].Transform.position, LookBones[LookBones.Count - 1].Transform.parent.position, 3f);
Handles.color = new Color(0.8f, .8f, 0.8f, gizmosAlpha * 0.1f);
Handles.SphereHandleCap(0, LookBones[LookBones.Count - 1].Transform.parent.position, Quaternion.identity, _gizmosDist * 0.01f, EventType.Repaint);
}
}
Handles.color = c;
}
//Vector3 firstBoneOff = Vector3.zero;
public void Init()
{
if (SpineBones.Count == 0)
{
if (SpineTransforms.Count > 2)
{
CreateSpineChain(SpineTransforms[0], SpineTransforms[SpineTransforms.Count - 1]);
Debug.Log("[SPINE ANIMATOR] Auto Bone Conversion from old version of Spine Animator! Please select your objects with Spine Animator to pre-convert it instead of automatically doing it when game Starts! (" + name + ")");
}
else
{
Debug.Log("[SPINE ANIMATOR] could not initialize Spine Animator inside '" + name + "' because there are no bones to animate!");
return;
}
}
if (initialized)
{
Debug.Log("[Spine Animator] " + name + " is already initialized!"); return;
}
if (BaseTransform == null)
{
BaseTransform = FindBaseTransform();
}
// Checking bones for zero-distance ones
for (int i = 0; i < SpineBones.Count; i++)
{
Vector3 childPos;
if (i == SpineBones.Count - 1)
{
childPos = SpineBones[i - 1].transform.position + (SpineBones[i - 1].transform.position - SpineBones[i].transform.position);
}
else
{
childPos = SpineBones[i + 1].transform.position;
}
float dist = Vector3.Distance(SpineBones[i].transform.position, childPos);
if (dist < 0.01f)
{
float refDistance = (SpineBones[SpineBones.Count - 1].transform.position - SpineBones[SpineBones.Count - 2].transform.parent.position).magnitude;
Vector3 forw = SpineBones[i].transform.position - BaseTransform.position;
Vector3 loc = BaseTransform.InverseTransformDirection(forw);
loc.y = 0f; loc.Normalize();
SpineBones[i + 1].DefaultForward = loc;
// firstBoneOff
SpineBones[i + 1].transform.position = SpineBones[i + 1].transform.position + BaseTransform.TransformDirection(loc) * refDistance * -0.125f;
}
}
referenceDistance = 0f;
// Preparing bones
for (int i = 0; i < SpineBones.Count; i++)
{
SpineBones[i].PrepareBone(BaseTransform, SpineBones, i);
referenceDistance += SpineBones[i].BoneLength;
}
referenceDistance /= (float)(SpineBones.Count);
frontHead = new HeadBone(SpineBones[0].transform);
frontHead.PrepareBone(BaseTransform, SpineBones, 0);
backHead = new HeadBone(SpineBones[SpineBones.Count - 1].transform);
backHead.PrepareBone(BaseTransform, SpineBones, SpineBones.Count - 1);
// Collision calculations helper list
CollidersDataToCheck = new List <FImp_ColliderData_Base>();
// Straightening spine pose to desired positions and rotations on init
chainReverseFlag = !LastBoneLeading;
UpdateChainIndexHelperVariables();
ReposeSpine();
//SpineMotion();
initialized = true;
}
/// <summary>
/// Computing look angles needed to look at target world position from this character
/// </summary>
public Vector2 ComputeAnglesTowards(Vector3 worldPosition)
{
// Direction towards target in different spaces
Vector3 worldDirectionAndTargetAngles = (worldPosition - GetLookStartMeasurePosition()).normalized;
// Supporting different axis orientation using matrix
if (usingAxisCorrection)
{
worldDirectionAndTargetAngles = axisCorrectionMatrix.inverse.MultiplyVector(worldDirectionAndTargetAngles).normalized;
worldDirectionAndTargetAngles = WrapVector(Quaternion.LookRotation(worldDirectionAndTargetAngles, axisCorrectionMatrix.MultiplyVector(ModelUpAxis).normalized).eulerAngles);
}
else // Easier calculations when using standard z - forward - y up
{
worldDirectionAndTargetAngles = BaseTransform.InverseTransformDirection(worldDirectionAndTargetAngles);
worldDirectionAndTargetAngles = WrapVector(Quaternion.LookRotation(worldDirectionAndTargetAngles, BaseTransform.TransformDirection(ModelUpAxis)).eulerAngles);
}
return(worldDirectionAndTargetAngles);
}
/// <summary>
/// Computing variables making Quaternion.Look universal for different skeletonal setups
/// </summary>
private void ComputeBonesRotationsFixVariables()
{
if (BaseTransform != null)
{
Quaternion preRot = BaseTransform.rotation;
BaseTransform.rotation = Quaternion.identity;
FromAuto = LeadBone.rotation * -Vector3.forward;
float angl = Quaternion.Angle(Quaternion.identity, LeadBone.rotation);
Quaternion rotateAxis = (LeadBone.rotation * Quaternion.Inverse(Quaternion.FromToRotation(FromAuto, ModelForwardAxis)));
OffsetAuto = Quaternion.AngleAxis(angl, rotateAxis.eulerAngles.normalized).eulerAngles;
BaseTransform.rotation = preRot;
parentalReferenceLookForward = Quaternion.Inverse(LeadBone.parent.rotation) * BaseTransform.rotation * ModelForwardAxis.normalized;
parentalReferenceUp = Quaternion.Inverse(LeadBone.parent.rotation) * BaseTransform.rotation * ModelUpAxis.normalized;
headForward = Quaternion.FromToRotation(LeadBone.InverseTransformDirection(BaseTransform.TransformDirection(ModelForwardAxis.normalized)), Vector3.forward) * Vector3.forward;
}
else
{
Debug.LogWarning("Base Transform isn't defined, so we can't use auto correction!");
}
}
private void _Debug_Rays()
{
if (!DebugRays)
{
return;
}
Debug.DrawRay(GetLookStartMeasurePosition() + Vector3.up * 0.01f, Quaternion.Euler(finalLookAngles) * BaseTransform.TransformDirection(ModelForwardAxis), Color.cyan);
//Vector3 startLook = GetLookStartMeasurePosition();
//Debug.DrawRay(startLook + Vector3.up * 0.25f, axisCorrectionMatrix.MultiplyVector(Vector3.forward), Color.blue);
//Debug.DrawRay(startLook + Vector3.up * 0.25f, axisCorrectionMatrix.MultiplyVector(Vector3.up), Color.green);
//Debug.DrawRay(GetLookStartMeasurePosition() + Vector3.up * 0.9f, Quaternion.Euler(finalLookAngles) * Vector3.forward, Color.magenta);
//Debug.DrawRay(GetLookStartMeasurePosition() + Vector3.up, Quaternion.Euler(finalLookAngles) * ModelForwardAxis, Color.cyan);
//Quaternion fromto = Quaternion.FromToRotation(Vector3.forward, ModelForwardAxis) * Quaternion.FromToRotation(Vector3.up, ModelUpAxis);
//Quaternion rot = Quaternion.Euler(finalLookAngles) * fromto * BaseTransform.rotation;
//Debug.DrawRay(GetLookStartMeasurePosition() + Vector3.up * 1.1f, rot * Vector3.forward, Color.yellow);
//fromto = Quaternion.FromToRotation(Vector3.right, Vector3.Cross(Vector3.up, ModelForwardAxis));
//rot = fromto * Quaternion.Euler(finalLookAngles) * BaseTransform.rotation;
//Debug.DrawRay(GetLookStartMeasurePosition() + Vector3.up * 1.2f, rot * Vector3.forward, Color.red);
}
