private CGAffineTransform nodeToParentTransform() {
if (isTransformDirty_) {
transform_.setToIdentity();
if (!isRelativeAnchorPoint_ && !CGPoint.equalToPoint(anchorPointInPixels_, zero)) {
transform_.translate(anchorPointInPixels_.x, anchorPointInPixels_.y);
}
if (!CGPoint.equalToPoint(position_, zero)) transform_.translate(position_.x, position_.y);
if (rotation_ != 0) transform_.rotate(-ccMacros.CC_DEGREES_TO_RADIANS(rotation_));
if (skewX_ != 0 || skewY_ != 0) {
/** create a skewed coordinate system and apply the skew to the transform */
transform_ =
transform_.getTransformConcat(
CGAffineTransform.make(
1.0f,
MathLib.tan(ccMacros.CC_DEGREES_TO_RADIANS(skewY_)),
MathLib.tan(ccMacros.CC_DEGREES_TO_RADIANS(skewX_)),
1.0f,
0.0f,
0.0f));
}
if (!(scaleX_ == 1 && scaleY_ == 1)) transform_.scale(scaleX_, scaleY_);
if (!CGPoint.equalToPoint(anchorPointInPixels_, zero))
transform_.translate(-anchorPointInPixels_.x, -anchorPointInPixels_.y);
isTransformDirty_ = false;
}
return transform_;
}
