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Function rotate

Rotate a vector around another point.

	CL_Vec2<double >&amVec2< dled >gt;::rotateateate(
		const CL_Vec2 < dle > &amp; hotspot,
		const CL_Angle & angle);

	static CL_Vec2<double > Vec2< dle  &gt>gt;otrotate(
		const CL_Vec2 < dle > &amp; vector,
		const CL_Vec2 < dle > &amp; hotspot,
		const CL_Angle & angle);