private Vector3 GetSumOfForcesOnBone(SpringBone springBone)
{
var sumOfForces = gravity;
var providerCount = forceProviders.Length;
for (var providerIndex = 0; providerIndex < providerCount; ++providerIndex)
{
var forceProvider = forceProviders[providerIndex];
if (forceProvider != null && forceProvider.isActiveAndEnabled)
{
sumOfForces += forceProvider.GetForceOnBone(springBone);
}
}
providerCount = privateForceProviders.Count;
for (var providerIndex = 0; providerIndex < providerCount; ++providerIndex)
{
var forceProvider = privateForceProviders[providerIndex];
if (forceProvider != null && forceProvider.isActiveAndEnabled)
{
sumOfForces += forceProvider.GetForceOnBone(springBone);
}
}
return(sumOfForces);
}
private static SpringBoneBaseSerializer SpringBoneToBaseSerializer(SpringBone sourceBone)
{
return(new SpringBoneBaseSerializer
{
boneName = sourceBone.name,
radius = sourceBone.radius,
stiffness = sourceBone.stiffnessForce,
drag = sourceBone.dragForce,
springForce = sourceBone.springForce,
windInfluence = sourceBone.windInfluence,
pivotName = (sourceBone.pivotNode != null) ? sourceBone.pivotNode.name : "",
yAngleLimits = AngleLimitsToSerializer(sourceBone.yAngleLimits),
zAngleLimits = AngleLimitsToSerializer(sourceBone.zAngleLimits),
angularStiffness = sourceBone.angularStiffness,
lodLevel = sourceBone.lodLevel,
lodMode = (int)sourceBone.lodMode,
lengthLimitStiffness = sourceBone.lengthLimitStiffness,
isLengthLimitPercentage = sourceBone.isLengthLimitPercentage,
lengthLimitMode = (int)sourceBone.lengthLimitMode,
lengthLimits = sourceBone.lengthLimitTargets
.Where(item => item != null)
.Select(item => new LengthLimitSerializer
{
objectName = item.name,
ratio = 1.01f
})
.ToArray(),
});
}
private static void SelectSpringManager(SpringBone bone)
{
var manager = bone.gameObject.GetComponentInParent <SpringManager>();
if (manager != null)
{
Selection.objects = new Object[] { manager.gameObject };
}
}
public void ShowEntryUI(Rect rect)
{
var halfWidth = 0.5f * rect.width;
var sourceRect = new Rect(rect.x, rect.y, halfWidth, rect.height);
sourceBone = (SpringBone)EditorGUI.ObjectField(sourceRect, sourceBone, typeof(SpringBone), true);
var targetRect = new Rect(rect.x + halfWidth, rect.y, halfWidth, rect.height);
targetBone = (SpringBone)EditorGUI.ObjectField(targetRect, targetBone, typeof(SpringBone), true);
}
private static void SelectPivotNode(SpringBone bone)
{
var pivotObjects = new List <GameObject>();
foreach (var gameObject in Selection.gameObjects)
{
var springBone = gameObject.GetComponent <SpringBone>();
if (springBone != null &&
springBone.pivotNode != null)
{
pivotObjects.Add(springBone.pivotNode.gameObject);
}
}
Selection.objects = pivotObjects.ToArray();
}
private void MirrorPivot(SpringBone sourceBone, SpringBone targetBone)
{
var sourcePivot = sourceBone.pivotNode;
var targetPivot = targetBone.pivotNode;
var targetPosition = MirrorPosition(sourcePivot.position, mirrorAxis);
var pivotDirection = -sourcePivot.right;
pivotDirection = MirrorPosition(pivotDirection, mirrorAxis);
var upDirection = MirrorPosition(sourcePivot.forward, mirrorAxis);
targetPivot.position = targetPosition;
targetPivot.LookAt(targetPosition + pivotDirection, upDirection);
targetPivot.Rotate(-90f, 90f, 0f, Space.Self);
}
public override Vector3 GetForceOnBone(SpringBone springBone)
{
var fullWeight = weight * strength;
if ((fullWeight <= 0.0001f)
| (period <= 0.001f))
{
return(Vector3.zero);
}
var localPosition = transform.InverseTransformPoint(springBone.transform.position);
var positionalFactor = GetPositionalFactor(localPosition.x, localPosition.z);
var offsetMultiplier = Mathf.Sin(timeFactor + positionalFactor);
var forceAtPosition = fullWeight * (transform.forward + offsetMultiplier * offsetVector).normalized;
return(springBone.windInfluence * forceAtPosition);
}
private static bool TryToGetPivotSideDirection
(
SpringBone springBone,
Vector3 lookDirection,
out Vector3 sideDirection
)
{
sideDirection = Vector3.up;
var meshNormal = FindClosestMeshNormalToPoint(springBone.transform.root, springBone.transform.position);
var upDirection = Vector3.Cross(meshNormal, lookDirection).normalized;
var possibleSideDirection = Vector3.Cross(lookDirection, upDirection).normalized;
var isSideDirectionValid = IsPivotSideDirectionValid(lookDirection, possibleSideDirection);
if (isSideDirectionValid)
{
sideDirection = possibleSideDirection;
}
return(isSideDirectionValid);
}
// 基点ノードを作成
public static GameObject CreateSpringPivotNode(SpringBone springBone)
{
var pivotObject = new GameObject(springBone.name + "_Pivot");
pivotObject.transform.parent = springBone.transform.parent;
pivotObject.transform.rotation = GetPivotRotation(springBone);
pivotObject.transform.position = springBone.transform.position;
pivotObject.AddComponent <SpringBonePivot>();
var oldPivotNode = springBone.pivotNode;
if (oldPivotNode != null)
{
var skinBones = GameObjectUtil.GetAllBones(springBone.transform.root.gameObject);
if (IsPivotProbablySafeToDestroy(oldPivotNode, skinBones))
{
DestroyUnityObject(oldPivotNode.gameObject);
}
}
springBone.pivotNode = pivotObject.transform;
springBone.yAngleLimits.active = true;
if (springBone.yAngleLimits.min > -0.5f && springBone.yAngleLimits.max < 0.5f)
{
springBone.yAngleLimits.min = -20f;
springBone.yAngleLimits.max = 20f;
}
springBone.zAngleLimits.active = true;
if (springBone.zAngleLimits.min > -0.5f && springBone.zAngleLimits.max < 0.5f)
{
springBone.zAngleLimits.min = 0f;
springBone.zAngleLimits.max = 20f;
}
return(pivotObject);
}
private static Quaternion GetPivotRotation(SpringBone springBone)
{
var lookDirection = springBone.ComputeChildPosition() - springBone.transform.position;
lookDirection.Normalize();
Vector3 sideDirection;
if (!TryToGetPivotSideDirection(springBone, lookDirection, out sideDirection))
{
sideDirection = springBone.transform.position;
sideDirection.y = 0f;
sideDirection.Normalize();
if (!IsPivotSideDirectionValid(lookDirection, sideDirection))
{
sideDirection = Vector3.up;
if (!IsPivotSideDirectionValid(lookDirection, sideDirection))
{
sideDirection = Vector3.forward;
}
}
}
var flattenedPosition = springBone.transform.position;
flattenedPosition.y = 0f;
if (Vector3.Dot(sideDirection, flattenedPosition) < 0f)
{
sideDirection = -sideDirection;
}
var upDirection = Vector3.Cross(lookDirection, sideDirection).normalized;
var lookRotation = Quaternion.LookRotation(lookDirection, upDirection);
var axisShift = Quaternion.Euler(180f, 90f, 0f);
return(lookRotation * axisShift);
}
public virtual Vector3 GetForceOnBone(SpringBone springBone)
{
return(Vector3.zero);
}
public override Vector3 GetForceOnBone(SpringBone springBone)
{
return(weight * strength * transform.forward);
}
private static SpringBone FindMirroredSpringBone(SpringBone sourceBone, Axis mirrorAxis, float threshold = 0.001f)
{
var manager = sourceBone.GetComponentInParent <SpringManager>();
return(FindMirroredComponent(manager.gameObject, sourceBone, mirrorAxis, threshold));
}
public BoneEntry(SpringBone newSourceBone, SpringBone newTargetBone)
{
sourceBone = newSourceBone;
targetBone = newTargetBone;
}