GLSharp.Universe.Node.UpdateWorldTransformation C# (CSharp) Method

        private void UpdateWorldTransformation()
        {
            /*this._localScaleMatrix.MultiplyM2(this._localRotationMatrix, this._localTransformMatrix);
            this._localTransformMatrix.MultiplyM2(this._localTranslationMatrix, this._localTransformMatrix);*/

            if (this.Animation != null) {
                this._localTranslationMatrix.SetTranslate3(
                    this.Animation.TranslateX[this.Animation.CurrentFrame] + this.LocalTranslation.Elements[0],
                    this.Animation.TranslateY[this.Animation.CurrentFrame] + this.LocalTranslation.Elements[1],
                    this.Animation.TranslateZ[this.Animation.CurrentFrame] + this.LocalTranslation.Elements[2]);
                this._localScaleMatrix.SetScale3(
                    this.Animation.ScaleX[this.Animation.CurrentFrame] + this.LocalScale.Elements[0],
                    this.Animation.ScaleY[this.Animation.CurrentFrame] + this.LocalScale.Elements[1],
                    this.Animation.ScaleZ[this.Animation.CurrentFrame] + this.LocalScale.Elements[2]);
                this._localRotationMatrix.SetRotation3(
                    this.Animation.RotateX[this.Animation.CurrentFrame] + this.LocalRotation.Elements[0],
                    this.Animation.RotateY[this.Animation.CurrentFrame] + this.LocalRotation.Elements[1],
                    this.Animation.RotateZ[this.Animation.CurrentFrame] + this.LocalRotation.Elements[2]
                    );
            }

            this._localTranslationMatrix.Copy(this._localTransformMatrix);
            this._localTransformMatrix.MultiplyM2(this._pivotMatrix, this._localTransformMatrix);
            this._localTransformMatrix.MultiplyM2(this._localRotationMatrix, this._localTransformMatrix);
            this._localTransformMatrix.MultiplyM2(this._inversePivotMatrix, this._localTransformMatrix);
            this._localTransformMatrix.MultiplyM2(this._localScaleMatrix, this._localTransformMatrix);

            if (this.Parent != null)
                //this._localTransformMatrix.MultiplyM2(this.Parent.World, this._worldTransformation);
                this.Parent.World.MultiplyM2(this._localTransformMatrix, this._worldTransformation);
            else
                this._worldTransformation = this._localTransformMatrix;

            this._needWordUpdate = false;
        }