public Matrix GeneratePolygon()
{
if (mShapeType == EShapeType.Polygon)
{
Matrix mat = new Matrix(2);
for (int i = 0; i < mSides; i++)
{
double x = mRadius * Math.Cos((2 * Math.PI / mSides) * i);
double y = mRadius * Math.Sin((2 * Math.PI / mSides) * i);
mat.AddRow(new Double[] { x, y });
}
if (mIsBeveled)
{
Matrix bevelmat = (Matrix)mat.Clone();
RotationalTransformation rot = new RotationalTransformation()
{
Matrix = bevelmat
};
rot.Matrix = bevelmat;
rot.RotateDegreesAroundOrigin(mBevelOffset);
mat.Interleave(bevelmat, false);
rot.Matrix = mat;
rot.RotateDegreesAroundOrigin(-mBevelOffset / 2);
}
return(mat);
}
else
{
Matrix outerMat = new Matrix(2);
for (int i = 0; i < mSides; i++)
{
double x = mRadius * Math.Cos((2 * Math.PI / mSides) * i);
double y = mRadius * Math.Sin((2 * Math.PI / mSides) * i);
outerMat.AddRow(new Double[] { x, y });
}
Matrix innerMat = (Matrix)outerMat.Clone();
innerMat.Multiply(mInnerRadius / mRadius); // Will work because centered about origin
RotationalTransformation rot = new RotationalTransformation()
{
Matrix = innerMat
};
rot.RotateRadiansAroundOrigin(Math.PI / mSides); //Circle is 2PI radians
if (mIsAngularlyOffset)
{
rot.RotateDegreesAroundOrigin(mAngularOffset);
}
outerMat.Interleave(innerMat, false);
if (mIsBeveled)
{
Matrix bevelmat = (Matrix)outerMat.Clone();
rot.Matrix = bevelmat;
rot.RotateDegreesAroundOrigin(mBevelOffset);
outerMat.Interleave(bevelmat, false);
rot.Matrix = outerMat;
rot.RotateDegreesAroundOrigin(-mBevelOffset / 2);//Remove appearance of rotation
}
return(outerMat);
}
}