private Vector3 CalcBezResult(float t)
{
int pointNum = mAttackPointList.Count;
float xVal = 0;
float yVal = 0;
int bezNum = pointNum - 1;
for (int idx = 0; idx < pointNum; idx++)
{
tBezPoint tmp = (tBezPoint)mAttackPointList[idx];
xVal += tmp.val.x * Mathf.Pow((1 - t), bezNum - idx) * Mathf.Pow(t, idx);
yVal += tmp.val.y * Mathf.Pow((1 - t), bezNum - idx) * Mathf.Pow(t, idx);
}
Vector3 rc = new Vector3(xVal, yVal, 0.0f);
return(rc);
}
private void Attack_Beze_move()
{
tBezPoint attackBzObj = (tBezPoint)(mAttackPointList[mAttackPointList.Count - 1]);
if (IsPosSame(attackBzObj.pos, transform.position))
{
mMoveState = EmoveState.RETRUN_HOME_move;
int bezNum = Random.Range(5, 10);
InitBezLine(bezNum, transform.position, mHomePos);
return;
}
float moveSpeed = Mathf.Abs(Mathf.Sin(mBezRunTime));
//float moveSpeed = mBezRunTime;
Vector3 newPos = CalcBezResult(moveSpeed);
transform.position = newPos;
}
private void InitBezLine(int bezNum, Vector3 startPos, Vector3 endPos)
{
if (mAttackPointList == null)
{
mAttackPointList = new ArrayList();
}
mAttackPointList.Clear();
int bzIdx = 0;
float factor = (float)Factorial(bezNum) / (float)(Factorial(bzIdx) * Factorial(bezNum - bzIdx));
tBezPoint startBzPoint = new tBezPoint();
startBzPoint.pos = startPos;
startBzPoint.val.x = startBzPoint.pos.x * factor;
startBzPoint.val.y = startBzPoint.pos.y * factor;
startBzPoint.val.z = startBzPoint.pos.z * factor;
mAttackPointList.Add(startBzPoint);
bzIdx += 1;
for (int idx = 0; idx < (bezNum - 1); idx++)
{
tBezPoint midBzPoint = new tBezPoint();
midBzPoint.pos.x = Random.Range(2 * mLeftPos, 2 * mRightPos);
midBzPoint.pos.y = Random.Range(2 * mBottomPos, 2 * mTopPos);
midBzPoint.pos.z = 0.0f;
factor = (float)Factorial(bezNum) / (float)(Factorial(bzIdx) * Factorial(bezNum - bzIdx));
midBzPoint.val.x = midBzPoint.pos.x * factor;
midBzPoint.val.y = midBzPoint.pos.y * factor;
midBzPoint.val.z = midBzPoint.pos.z * factor;
mAttackPointList.Add(midBzPoint);
bzIdx += 1;
}
tBezPoint endBzPoint = new tBezPoint();
endBzPoint.pos = endPos;
factor = (float)Factorial(bezNum) / (float)(Factorial(bzIdx) * Factorial(bezNum - bzIdx));
endBzPoint.val.x = endBzPoint.pos.x * factor;
endBzPoint.val.y = endBzPoint.pos.y * factor;
endBzPoint.val.z = endBzPoint.pos.z * factor;
mAttackPointList.Add(endBzPoint);
mBezRunTime = 0.0f;
}
