#include "ext/Potential.h"

#include <algorithm></algorithm>

#if defined(WIN32) && (_MSC_VER <= 1200)

#pragma warning(push)

#pragma warning(disable : 4290)

#endif

//-----------------------------------------------------------------------------

ToonzExt::Potential::Potential()

{

	isValid_ = false;

}

//-----------------------------------------------------------------------------

void ToonzExt::Potential::setParameters(const TStroke *ref,

										double w,

										double actionLength)

{

	isValid_ = true;

	assert(ref);

	if (!ref)

		throw std::invalid_argument("Not valid stroke!!!");

	assert(actionLength != 0.0);

	if (actionLength == 0.0)

		actionLength = TConsts::epsilon;

	assert(0.0 <= w &&

		   w <= 1.0);

	if (0.0 > w ||

		w > 1.0) {

		throw std::invalid_argument("Not valid parameter!!!");

		//  w = std::min(std::max(0.0,w),1.0);

	}

	this->setParameters_(ref,

						 w,

						 actionLength);

}

//-----------------------------------------------------------------------------

double

ToonzExt::Potential::value(double at) const

{

	if (!isValid_)

		throw std::range_error("Not yet initialized potential!");

	assert(0.0 <= at &&

		   at <= 1.0);

	if (0 > at ||

		at > 1.0)

		at = std::min(std::max(at, 0.0), 1.0);

	return this->value_(at);

}

//-----------------------------------------------------------------------------

//  End Of File

//-----------------------------------------------------------------------------

#if defined(WIN32) && (_MSC_VER <= 1200)

#pragma warning(pop)

#endif