/**
* @private
*/
protected override void _onClear()
{
base._onClear();
inheritTranslation = false;
inheritRotation = false;
inheritScale = false;
ikBendPositive = false;
length = 0.0f;
ikWeight = 0.0f;
_transformDirty = BoneTransformDirty.None;
_visible = true;
_cachedFrameIndex = -1;
_ikChain = 0;
_ikChainIndex = 0;
_updateState = -1;
_blendLayer = 0;
_blendLeftWeight = 0.0f;
_blendTotalWeight = 0.0f;
_animationPose.Identity();
_bones.Clear();
_slots.Clear();
_boneData = null;
_ik = null;
_cachedFrameIndices = null;
}
/**
* @inheritDoc
*/
protected override void _onClear()
{
base._onClear();
inheritTranslation = false;
inheritRotation = false;
inheritScale = false;
ikBendPositive = false;
ikWeight = 0.0f;
length = 0.0f;
_transformDirty = BoneTransformDirty.All; // Update
_blendIndex = -1;
_cacheFrameIndex = -1;
_cacheFrames = null;
_animationPose.Identity();
_visible = true;
_ikChain = 0;
_ikChainIndex = 0;
_ik = null;
_bones.Clear();
_slots.Clear();
}
/**
* @language zh_CN
* 下一帧更新变换。 (当骨骼没有动画状态或动画状态播放完成时，骨骼将不在更新)
* @version DragonBones 3.0
*/
public void InvalidUpdate()
{
_transformDirty = BoneTransformDirty.All;
}
/**
* @private
*/
internal void _update(int cacheFrameIndex)
{
_updateState = -1;
if (cacheFrameIndex >= 0 && _cachedFrameIndices != null)
{
var cachedFrameIndex = _cachedFrameIndices[cacheFrameIndex];
if (cachedFrameIndex >= 0 && _cachedFrameIndex == cachedFrameIndex) // Same cache.
{
_transformDirty = BoneTransformDirty.None;
}
else if (cachedFrameIndex >= 0.0f) // Has been Cached.
{
_transformDirty = BoneTransformDirty.All;
_cachedFrameIndex = cachedFrameIndex;
}
else if (
_transformDirty == BoneTransformDirty.All ||
(_parent != null && _parent._transformDirty != BoneTransformDirty.None) ||
(_ik != null && ikWeight > 0.0f && _ik._transformDirty != BoneTransformDirty.None)
) // Dirty.
{
_transformDirty = BoneTransformDirty.All;
_cachedFrameIndex = -1;
}
else if (_cachedFrameIndex >= 0) // Same cache but not cached yet.
{
_transformDirty = BoneTransformDirty.None;
_cachedFrameIndices[cacheFrameIndex] = _cachedFrameIndex;
}
else // Dirty.
{
_transformDirty = BoneTransformDirty.All;
_cachedFrameIndex = -1;
}
}
else if (
_transformDirty == BoneTransformDirty.All ||
(_parent != null && _parent._transformDirty != BoneTransformDirty.None) ||
(_ik != null && ikWeight > 0.0f && _ik._transformDirty != BoneTransformDirty.None)
)
{
cacheFrameIndex = -1;
_transformDirty = BoneTransformDirty.All; // For update children and ik children.
_cachedFrameIndex = -1;
}
if (_transformDirty != BoneTransformDirty.None)
{
if (_transformDirty == BoneTransformDirty.All)
{
_transformDirty = BoneTransformDirty.Self;
if (_cachedFrameIndex < 0)
{
_updateGlobalTransformMatrix();
if (cacheFrameIndex >= 0)
{
_cachedFrameIndex = _cachedFrameIndices[cacheFrameIndex] = _armature._armatureData.SetCacheFrame(globalTransformMatrix, global);
}
}
else
{
_armature._armatureData.GetCacheFrame(globalTransformMatrix, global, _cachedFrameIndex);
}
_updateState = 0;
}
else
{
_transformDirty = BoneTransformDirty.None;
}
}
}
/**
* @private
*/
internal void _update(int cacheFrameIndex)
{
_blendIndex = 0;
var frameIndex = cacheFrameIndex * BoneTimelineData.COUNT;
if (cacheFrameIndex >= 0)
{
var frameFlag = _cacheFrames[frameIndex];
if (_cacheFrameIndex >= 0 && _cacheFrameIndex == frameFlag) // Same cache.
{
_transformDirty = BoneTransformDirty.None;
}
else if (frameFlag >= 0.0f) // Has been Cached.
{
_transformDirty = BoneTransformDirty.All; // For update children and ik children.
_cacheFrameIndex = -1;
}
else if (
_transformDirty == BoneTransformDirty.All ||
(_parent != null && _parent._transformDirty != BoneTransformDirty.None) ||
(_ik != null && ikWeight > 0.0f && _ik._transformDirty != BoneTransformDirty.None)
) // Dirty.
{
_transformDirty = BoneTransformDirty.All; // For update children and ik children.
_cacheFrameIndex = cacheFrameIndex;
}
else if (_cacheFrameIndex >= 0) // Same cache but not cached yet.
{
_transformDirty = BoneTransformDirty.None;
_cacheFrames[frameIndex] = _cacheFrameIndex;
}
else // Dirty.
{
_transformDirty = BoneTransformDirty.All;
_cacheFrameIndex = cacheFrameIndex;
}
}
else if (
_transformDirty == BoneTransformDirty.All ||
(_parent != null && _parent._transformDirty != BoneTransformDirty.None) ||
(_ik != null && ikWeight > 0.0f && _ik._transformDirty != BoneTransformDirty.None)
)
{
_transformDirty = BoneTransformDirty.All; // For update children and ik children.
_cacheFrameIndex = -1;
}
if (_transformDirty != BoneTransformDirty.None)
{
if (_transformDirty == BoneTransformDirty.All)
{
_transformDirty = BoneTransformDirty.Self;
if (_cacheFrameIndex == cacheFrameIndex)
{
/*global.copyFrom(origin).add(offset).add(_animationPose);*/
global.x = origin.x + offset.x + _animationPose.x;
global.y = origin.y + offset.y + _animationPose.y;
global.skewX = origin.skewX + offset.skewX + _animationPose.skewX;
global.skewY = origin.skewY + offset.skewY + _animationPose.skewY;
global.scaleX = origin.scaleX * offset.scaleX * _animationPose.scaleX;
global.scaleY = origin.scaleY * offset.scaleY * _animationPose.scaleY;
_updateGlobalTransformMatrix();
if (_ik != null && _ikChainIndex == _ikChain && ikWeight > 0.0f)
{
if (inheritTranslation && _ikChain > 0 && _parent != null)
{
_computeIKB();
}
else
{
_computeIKA();
}
}
if (cacheFrameIndex >= 0)
{
_cacheFrameIndex = cacheFrameIndex;
_cacheFrames[frameIndex] = cacheFrameIndex;
_cacheFrames[frameIndex + 1] = this.globalTransformMatrix.a;
_cacheFrames[frameIndex + 2] = this.globalTransformMatrix.b;
_cacheFrames[frameIndex + 3] = this.globalTransformMatrix.c;
_cacheFrames[frameIndex + 4] = this.globalTransformMatrix.d;
_cacheFrames[frameIndex + 5] = this.globalTransformMatrix.tx;
_cacheFrames[frameIndex + 6] = this.globalTransformMatrix.ty;
_cacheFrames[frameIndex + 7] = this.global.skewX;
_cacheFrames[frameIndex + 8] = this.global.skewY;
_cacheFrames[frameIndex + 9] = this.global.scaleX;
_cacheFrames[frameIndex + 10] = this.global.scaleY;
}
}
else
{
_cacheFrameIndex = (int)_cacheFrames[frameIndex + 0];
this.globalTransformMatrix.a = _cacheFrames[frameIndex + 1];
this.globalTransformMatrix.b = _cacheFrames[frameIndex + 2];
this.globalTransformMatrix.c = _cacheFrames[frameIndex + 3];
this.globalTransformMatrix.d = _cacheFrames[frameIndex + 4];
this.globalTransformMatrix.tx = _cacheFrames[frameIndex + 5];
this.globalTransformMatrix.ty = _cacheFrames[frameIndex + 6];
this.global.skewX = _cacheFrames[frameIndex + 7];
this.global.skewY = _cacheFrames[frameIndex + 8];
this.global.scaleX = _cacheFrames[frameIndex + 9];
this.global.scaleY = _cacheFrames[frameIndex + 10];
}
}
else
{
_transformDirty = BoneTransformDirty.None;
}
}
}
/**
* @private
*/
private void _computeIKB()
{
var parentGlobal = this._parent.global;
var ikGlobal = _ik.global;
var x = this.globalTransformMatrix.a * length;
var y = this.globalTransformMatrix.b * length;
var lLL = x * x + y * y;
var lL = (float)Math.Sqrt(lLL);
var dX = this.global.x - parentGlobal.x;
var dY = this.global.y - parentGlobal.y;
var lPP = dX * dX + dY * dY;
var lP = (float)Math.Sqrt(lPP);
dX = ikGlobal.x - parentGlobal.x;
dY = ikGlobal.y - parentGlobal.y;
var lTT = dX * dX + dY * dY;
var lT = (float)Math.Sqrt(lTT);
var ikRadianA = 0.0f;
if (lL + lP <= lT || lT + lL <= lP || lT + lP <= lL)
{
ikRadianA = (float)Math.Atan2(ikGlobal.y - parentGlobal.y, ikGlobal.x - parentGlobal.x) + this._parent.offset.skewY; // Support offset.
if (lL + lP <= lT)
{
}
else if (lP < lL)
{
ikRadianA += DragonBones.PI;
}
}
else
{
var h = (lPP - lLL + lTT) / (2.0f * lTT);
var r = (float)Math.Sqrt(lPP - h * h * lTT) / lT;
var hX = parentGlobal.x + (dX * h);
var hY = parentGlobal.y + (dY * h);
var rX = -dY * r;
var rY = dX * r;
if (ikBendPositive)
{
this.global.x = hX - rX;
this.global.y = hY - rY;
}
else
{
this.global.x = hX + rX;
this.global.y = hY + rY;
}
ikRadianA = (float)Math.Atan2(this.global.y - parentGlobal.y, this.global.x - parentGlobal.x) + this._parent.offset.skewY; // Support offset.
}
ikRadianA = (ikRadianA - parentGlobal.skewY) * ikWeight;
parentGlobal.skewX += ikRadianA;
parentGlobal.skewY += ikRadianA;
parentGlobal.ToMatrix(this._parent.globalTransformMatrix);
this._parent._transformDirty = BoneTransformDirty.Self;
this.global.x = parentGlobal.x + (float)Math.Cos(parentGlobal.skewY) * lP;
this.global.y = parentGlobal.y + (float)Math.Sin(parentGlobal.skewY) * lP;
var ikRadianB =
(float)(
Math.Atan2(ikGlobal.y - this.global.y, ikGlobal.x - this.global.x) + this.offset.skewY -
this.global.skewY * 2 + Math.Atan2(y, x)
) * this.ikWeight; // Support offset.
this.global.skewX += ikRadianB;
this.global.skewY += ikRadianB;
this.global.ToMatrix(this.globalTransformMatrix);
}
