Matrix4x3d.reflect

Apply a mirror/reflection transformation to this matrix that reflects about the given plane specified via the plane normal and a point on the plane. <p> If <code>M</code> is <code>this</code> matrix and <code>R</code> the reflection matrix, then the new matrix will be <code>M * R</code>. So when transforming a vector <code>v</code> with the new matrix by using <code>M * R * v</code>, the reflection will be applied first!

@param normal the plane normal @param point a point on the plane @return this

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