// Update is called once per frame
void Update()
{
_lineStart = GetV2(_lineStartTrans);
_lineEnd = GetV2(_lineEndTrans);
//Vector2 lineVec = _lineEnd - _lineStart;
Vector2 p = GetV2(_pointTrans);
//Vector2 pVec = p - _lineStart;
//float project = Project(pVec, lineVec);
//Vector2 lineDir = lineVec.normalized;
//Vector2 proVec = project * lineDir;
Vector2 proVec = Math2d.GetPointProjectVectorOnLine(p, _lineStart, _lineEnd);
_pointProjTrans.position = _lineStartTrans.position + new Vector3(proVec.x, 0, proVec.y);
}
