/*
 * Copyright (c) 2009-2016, Albertas Vyšniauskas
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *     * Neither the name of the software author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef GPICK_BEZIER_CUBIC_CURVE_H_
#define GPICK_BEZIER_CUBIC_CURVE_H_
namespace math
{
template<typename PT, typename T>
struct BezierCubicCurve
{
	BezierCubicCurve(const PT &p0_, const PT &p1_, const PT &p2_, const PT &p3_):
		p0(p0_),
		p1(p1_),
		p2(p2_),
		p3(p3_)
	{
	};
	PT operator() (const T &t)
	{
		T t2 = 1 - t;
		return p0 * (t2 * t2 * t2) + p1 * (3 * (t2 * t2) * t) + p2 * (3 * t2 * t * t) + p3 * (t * t * t);
	};
	BezierCubicCurve& operator= (const BezierCubicCurve& curve)
	{
		p0 = curve.p0;
		p1 = curve.p1;
		p2 = curve.p2;
		p3 = curve.p3;
		return *this;
	};
	PT p0;
	PT p1;
	PT p2;
	PT p3;
};
}
#endif /* GPICK_BEZIER_CUBIC_CURVE_H_ */
