コード例 #1
0
 public virtual AsMatrix getTransformationMatrix()
 {
     if (mOrientationChanged)
     {
         mOrientationChanged = false;
         mTransformationMatrix.identity();
         if (mSkewX != 0.0f || mSkewY != 0.0f)
         {
             AsMatrixUtil.skew(mTransformationMatrix, mSkewX, mSkewY);
         }
         if (mScaleX != 1.0f || mScaleY != 1.0f)
         {
             mTransformationMatrix.scale(mScaleX, mScaleY);
         }
         if (mRotation != 0.0f)
         {
             mTransformationMatrix.rotate(mRotation);
         }
         if (mX != 0.0f || mY != 0.0f)
         {
             mTransformationMatrix.translate(mX, mY);
         }
         if (mPivotX != 0.0f || mPivotY != 0.0f)
         {
             mTransformationMatrix.tx = mX - mTransformationMatrix.a * mPivotX - mTransformationMatrix.c * mPivotY;
             mTransformationMatrix.ty = mY - mTransformationMatrix.b * mPivotX - mTransformationMatrix.d * mPivotY;
         }
     }
     return(mTransformationMatrix);
 }
コード例 #2
0
 public virtual void resetMatrix()
 {
     mMatrixStackSize = 0;
     mCurrentMatrix.identity();
 }
コード例 #3
0
        public virtual AsMatrix getTransformationMatrix(AsDisplayObject targetSpace, AsMatrix resultMatrix)
        {
            if (resultMatrix != null)
            {
                resultMatrix.identity();
            }
            else
            {
                resultMatrix = new AsMatrix();
            }
            AsDisplayObject currentObject = this;

            if (targetSpace == this)
            {
                return(resultMatrix);
            }
            else
            {
                if (targetSpace == mParent || (targetSpace == null && mParent == null))
                {
                    if (mPivotX != 0.0f || mPivotY != 0.0f)
                    {
                        resultMatrix.translate(-mPivotX, -mPivotY);
                    }
                    if (mScaleX != 1.0f || mScaleY != 1.0f)
                    {
                        resultMatrix.scale(mScaleX, mScaleY);
                    }
                    if (mRotation != 0.0f)
                    {
                        resultMatrix.rotate(AsMathHelper.toRadians(mRotation));
                    }
                    if (mX != 0.0f || mY != 0.0f)
                    {
                        resultMatrix.translate(mX, mY);
                    }
                    return(resultMatrix);
                }
                else
                {
                    if (targetSpace == null)
                    {
                        currentObject = this;
                        while (currentObject != null)
                        {
                            currentObject.getTransformationMatrix(currentObject.mParent, sHelperMatrix);
                            resultMatrix.concat(sHelperMatrix);
                            currentObject = currentObject.getParent();
                        }
                        return(resultMatrix);
                    }
                    else
                    {
                        if (targetSpace.mParent == this)
                        {
                            targetSpace.getTransformationMatrix(this, resultMatrix);
                            resultMatrix.invert();
                            return(resultMatrix);
                        }
                    }
                }
            }
            sAncestors.setLength(0);
            AsDisplayObject commonParent = null;

            while (currentObject != null)
            {
                sAncestors.push(currentObject);
                currentObject = currentObject.getParent();
            }
            currentObject = targetSpace;
            while (currentObject != null && sAncestors.indexOf(currentObject) == -1)
            {
                currentObject = currentObject.getParent();
            }
            if (currentObject == null)
            {
                throw new AsArgumentError("Object not connected to target");
            }
            else
            {
                commonParent = currentObject;
            }
            currentObject = this;
            while (currentObject != commonParent)
            {
                currentObject.getTransformationMatrix(currentObject.mParent, sHelperMatrix);
                resultMatrix.concat(sHelperMatrix);
                currentObject = currentObject.getParent();
            }
            sTargetMatrix.identity();
            currentObject = targetSpace;
            while (currentObject != commonParent)
            {
                currentObject.getTransformationMatrix(currentObject.mParent, sHelperMatrix);
                sTargetMatrix.concat(sHelperMatrix);
                currentObject = currentObject.getParent();
            }
            sTargetMatrix.invert();
            resultMatrix.concat(sTargetMatrix);
            return(resultMatrix);
        }
コード例 #4
0
        public virtual AsMatrix getTransformationMatrix(AsDisplayObject targetSpace, AsMatrix resultMatrix)
        {
            AsDisplayObject commonParent  = null;
            AsDisplayObject currentObject = null;

            if (resultMatrix != null)
            {
                resultMatrix.identity();
            }
            else
            {
                resultMatrix = new AsMatrix();
            }
            if (targetSpace == this)
            {
                return(resultMatrix);
            }
            else
            {
                if (targetSpace == mParent || (targetSpace == null && mParent == null))
                {
                    resultMatrix.copyFrom(getTransformationMatrix());
                    return(resultMatrix);
                }
                else
                {
                    if (targetSpace == null || targetSpace == get_base())
                    {
                        currentObject = this;
                        while (currentObject != targetSpace)
                        {
                            resultMatrix.concat(currentObject.getTransformationMatrix());
                            currentObject = currentObject.mParent;
                        }
                        return(resultMatrix);
                    }
                    else
                    {
                        if (targetSpace.mParent == this)
                        {
                            targetSpace.getTransformationMatrix(this, resultMatrix);
                            resultMatrix.invert();
                            return(resultMatrix);
                        }
                    }
                }
            }
            commonParent  = null;
            currentObject = this;
            while (currentObject != null)
            {
                sAncestors.push(currentObject);
                currentObject = currentObject.mParent;
            }
            currentObject = targetSpace;
            while (currentObject != null && sAncestors.indexOf(currentObject) == -1)
            {
                currentObject = currentObject.mParent;
            }
            sAncestors.setLength(0);
            if (currentObject != null)
            {
                commonParent = currentObject;
            }
            else
            {
                throw new AsArgumentError("Object not connected to target");
            }
            currentObject = this;
            while (currentObject != commonParent)
            {
                resultMatrix.concat(currentObject.getTransformationMatrix());
                currentObject = currentObject.mParent;
            }
            if (commonParent == targetSpace)
            {
                return(resultMatrix);
            }
            sHelperMatrix.identity();
            currentObject = targetSpace;
            while (currentObject != commonParent)
            {
                sHelperMatrix.concat(currentObject.getTransformationMatrix());
                currentObject = currentObject.mParent;
            }
            sHelperMatrix.invert();
            resultMatrix.concat(sHelperMatrix);
            return(resultMatrix);
        }
コード例 #5
0
 public virtual void loadIdentity()
 {
     mModelViewMatrix.identity();
 }