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#pragma once
#ifndef VPVL2_IMORPHKEYFRAME_H_
#define VPVL2_IMORPHKEYFRAME_H_

#include "vpvl2/IKeyframe.h"
#include "vpvl2/IMorph.h"

namespace vpvl2
{

/**
 * モーフのキーフレームをあらわすインターフェースです。
 *
 */
class VPVL2_API IMorphKeyframe : public IKeyframe
{
public:
    virtual ~IMorphKeyframe() {}

    /**
     * IMorphKeyframe のインスタンスの完全なコピーを返します.
     *
     * @return IBoneKeyframe
     */
    virtual IMorphKeyframe *clone() const = 0;

    /**
     * 変形係数を返します.
     *
     * 返す値は 0.0 以上 1.0 以下になります。
     *
     * @return float
     * @sa setWeight
     */
    virtual IMorph::WeightPrecision weight() const = 0;

    /**
     * 変形係数を設定します.
     *
     * 設定する値は 0.0 以上 1.0 以下でなければなりません。
     *
     * @param float
     * @sa weight
     */
    virtual void setWeight(const IMorph::WeightPrecision &value) = 0;
};

} /* namespace vpvl2 */

#endif
