private IEnumerator MoveToNote(IKDataRecord ik, Vector3 notePosition, Quaternion noteRot, Vector3 upDiff)
{
float start = Time.time;
while (Time.time - start < noteMotionDuration)
{
float rate = (Time.time - start) / noteMotionDuration;
if (rate < 0.5f)
{
//接近動作: このとき既存位置を考慮してウェイトをいじる点に注意
Vector3 target = Vector3.Lerp(notePosition + upDiff, notePosition, rate * 2.0f);
ik.Position = Vector3.Lerp(ik.Position, target, rate * 2.0f);
ik.Rotation = Quaternion.Slerp(ik.Rotation, noteRot, rate * 2.0f);
}
else
{
//上がる動作
ik.Position = Vector3.Lerp(
notePosition,
notePosition + upDiff,
1 - 4.0f * (rate - 1.0f) * (rate - 1.0f)
);
ik.Rotation = noteRot;
}
yield return(null);
}
//最後はぴったり揃えて終了
ik.Position = notePosition + upDiff;
ik.Rotation = noteRot;
}
private IEnumerator KeyDownRoutine(IKTargets target, Vector3 targetPos)
{
bool isLeftHand = (target == IKTargets.LHand);
IKDataRecord ikTarget = isLeftHand ? _leftHand : _rightHand;
//NOTE: 第2項は手首を正面に向けるための前処理みたいなファクターです
var keyboardRot =
_keyboard.GetKeyboardRotation() *
Quaternion.AngleAxis(isLeftHand ? 90 : -90, Vector3.up);
var keyboardRootPos = _keyboard.transform.position;
var keyboardUp = _keyboard.KeyboardUp;
float startTime = Time.time;
Vector3 startPos = ikTarget.Position;
float startVertical = Vector3.Dot(startPos - keyboardRootPos, keyboardUp);
float targetVertical = Vector3.Dot(targetPos - keyboardRootPos, keyboardUp);
while (Time.time - startTime < keyboardMotionDuration)
{
float rate = (Time.time - startTime) / keyboardMotionDuration;
Vector3 lerpApproach = Vector3.Lerp(startPos, targetPos, horizontalApproachCurve.Evaluate(rate));
//Y成分に相当するところをキャンセルしておく
lerpApproach -= keyboardUp * Vector3.Dot(lerpApproach - keyboardRootPos, keyboardUp);
if (rate >= 0.5f)
{
break;
}
//アプローチ中: 垂直方向のカーブのつけかたをいい感じにする。
float verticalTarget = Mathf.Lerp(
startVertical, targetVertical, verticalApproachCurve.Evaluate(rate)
);
float vertical = Mathf.Lerp(
Vector3.Dot(ikTarget.Position - keyboardRootPos, keyboardUp),
verticalTarget,
keyboardVerticalWeightCurve.Evaluate(rate)
);
ikTarget.Position = lerpApproach + keyboardUp * vertical;
//一応Lerpしてるけどあんまり必要ないかもね
ikTarget.Rotation = Quaternion.Slerp(
ikTarget.Rotation,
keyboardRot,
0.2f
);
yield return(null);
}
//最後: キーを押し下げてるときの位置にぴったりあわせて終わり
ikTarget.Position = targetPos;
ikTarget.Rotation = keyboardRot;
}
private IEnumerator KeyUpRoutine(IKTargets target, Vector3 targetPos)
{
bool isLeftHand = (target == IKTargets.LHand);
IKDataRecord ikTarget = isLeftHand ? _leftHand : _rightHand;
//NOTE: 第2項は手首を正面に向けるための前処理みたいなファクターです
var keyboardRot =
_keyboard.GetKeyboardRotation() *
Quaternion.AngleAxis(isLeftHand ? 90 : -90, Vector3.up);
var keyboardRootPos = _keyboard.transform.position;
var keyboardUp = _keyboard.KeyboardUp;
float startTime = Time.time;
float targetVertical = Vector3.Dot(targetPos - keyboardRootPos, keyboardUp);
while (Time.time - startTime < keyboardMotionDuration)
{
//NOTE: 歴史的経緯により、+0.5することで後半の動作をするように仕向ける
float rate = (Time.time - startTime) / keyboardMotionDuration + 0.5f;
//NOTE: キー上げの時点で水平方向が合ってなかった場合、ぴったり合わせてしまう(あえてlerpしない)
Vector3 lerpApproach = targetPos;
//Y成分に相当するところをキャンセルしておく
lerpApproach -= keyboardUp * Vector3.Dot(lerpApproach - keyboardRootPos, keyboardUp);
//離れるとき: キーボードから垂直方向に手を引き上げる。Lerpの係数は1から0に戻っていくことに注意
float vertical = Mathf.Lerp(
targetVertical + YOffsetAfterKeyDown,
targetVertical,
verticalApproachCurve.Evaluate(rate));
ikTarget.Position = lerpApproach + keyboardUp * vertical;
//一応Lerpしてるけどあんまり必要ないかもね
ikTarget.Rotation = Quaternion.Slerp(
ikTarget.Rotation,
keyboardRot,
0.2f
);
if (rate >= 1.0f)
{
break;
}
yield return(null);
}
//最後: ピッタリ合わせておしまい
ikTarget.Position = targetPos + keyboardUp * YOffsetAfterKeyDown;
ikTarget.Rotation = keyboardRot;
}
private IEnumerator KeyPressRoutine(IKTargets target, Vector3 targetPos)
{
bool isLeftHand = (target == IKTargets.LHand);
IKDataRecord ikTarget = isLeftHand ? _leftHand : _rightHand;
//NOTE: 第2項は手首を正面に向けるための前処理みたいなファクターです
var keyboardRot =
keyboard.GetKeyboardRotation() *
Quaternion.AngleAxis(isLeftHand ? 90 : -90, Vector3.up);
var keyboardRootPos = keyboard.transform.position;
var keyboardUp = keyboard.KeyboardUp;
float startTime = Time.time;
Vector3 startPos = ikTarget.Position;
float startVertical = Vector3.Dot(startPos - keyboardRootPos, keyboardUp);
float targetVertical = Vector3.Dot(targetPos - keyboardRootPos, keyboardUp);
while (Time.time - startTime < keyboardMotionDuration)
{
float rate = (Time.time - startTime) / keyboardMotionDuration;
Vector3 lerpApproach = Vector3.Lerp(startPos, targetPos, horizontalApproachCurve.Evaluate(rate));
//Y成分に相当するところをキャンセルしておく
lerpApproach -= keyboardUp * Vector3.Dot(lerpApproach - keyboardRootPos, keyboardUp);
if (rate < 0.5f)
{
//アプローチ中: 垂直方向のカーブのつけかたをいい感じにする。
float verticalTarget = Mathf.Lerp(
startVertical, targetVertical, verticalApproachCurve.Evaluate(rate)
);
float vertical = Mathf.Lerp(
Vector3.Dot(ikTarget.Position - keyboardRootPos, keyboardUp),
verticalTarget,
keyboardVerticalWeightCurve.Evaluate(rate)
);
ikTarget.Position = lerpApproach + keyboardUp * vertical;
}
else
{
//離れるとき: キーボードから垂直方向に手を引き上げる。Lerpの係数は1から0に戻っていくことに注意
float vertical = Mathf.Lerp(
targetVertical + YOffsetAfterKeyDown,
targetVertical,
verticalApproachCurve.Evaluate(rate));
ikTarget.Position = lerpApproach + keyboardUp * vertical;
}
//一応Lerpしてるけどあんまり必要ないかもね
ikTarget.Rotation = Quaternion.Slerp(
ikTarget.Rotation,
keyboardRot,
0.2f
);
yield return(null);
}
//最後: ピッタリ合わせておしまい
ikTarget.Position = targetPos + keyboardUp * YOffsetAfterKeyDown;
ikTarget.Rotation = keyboardRot;
}
