public Vector3 ComputeTopLeftPointOfTile(IntPoint2D tileIndex)
{
return(scenarioInfo.ComputeTopLeftPointOfTile(tileIndex));
}
IEnumerator Wander()
{
Vector3 startPos = gameObject.transform.position, endPos = startPos;
Quaternion startAngle = gameObject.transform.rotation;
Quaternion endAngle = startAngle;
bool rotating = false;
ScenarioMgr.Direction nextFacing = facing;
IntPoint2D nextTile = curTile;
while (wandering)
{
bool goingNowhere = false;
int x = curTile.xCoord, y = curTile.yCoord;
IntPoint2D tileAhead = curTile, tileLeft = curTile, tileRight = curTile, tileBehind = curTile;
switch (facing)
{
case ScenarioMgr.Direction.Left:
tileAhead = new IntPoint2D(x - 1, y);
tileRight = new IntPoint2D(x, y - 1);
tileLeft = new IntPoint2D(x, y + 1);
tileBehind = new IntPoint2D(x + 1, y);
break;
case ScenarioMgr.Direction.Up:
tileLeft = new IntPoint2D(x - 1, y);
tileAhead = new IntPoint2D(x, y - 1);
tileBehind = new IntPoint2D(x, y + 1);
tileRight = new IntPoint2D(x + 1, y);
break;
case ScenarioMgr.Direction.Right:
tileBehind = new IntPoint2D(x - 1, y);
tileRight = new IntPoint2D(x, y + 1);
tileLeft = new IntPoint2D(x, y - 1);
tileAhead = new IntPoint2D(x + 1, y);
break;
case ScenarioMgr.Direction.Down:
tileRight = new IntPoint2D(x - 1, y);
tileBehind = new IntPoint2D(x, y - 1);
tileAhead = new IntPoint2D(x, y + 1);
tileLeft = new IntPoint2D(x + 1, y);
break;
}
// pick direction
int p = Random.Range(0, 100);
if (p < 30)
{
goingNowhere = true;
rotating = false;
}
else if (p < 60 && scenarioInfo.IsPassableTile(tileAhead))
{
rotating = false;
nextFacing = facing;
nextTile = tileAhead;
}
else if (p < 80 && scenarioInfo.IsPassableTile(tileLeft))
{
rotating = true;
nextTile = tileLeft;
nextFacing = ScenarioMgr.GetLeftTurn(facing);
}
else if (scenarioInfo.IsPassableTile(tileRight))
{
rotating = true;
nextTile = tileRight;
nextFacing = ScenarioMgr.GetRightTurn(facing);
}
else if (scenarioInfo.IsPassableTile(tileBehind))
{
rotating = true;
nextTile = tileBehind;
nextFacing = ScenarioMgr.GetReverseDirection(facing);
}
else
{
goingNowhere = true;
rotating = false;
}
startPos = transform.position;
startAngle = gameObject.transform.rotation;
if (goingNowhere)
{
//Debug.Log("no road to move to");
// no rotation, no movement, no nothing -- just wait things out for a second
yield return(new WaitForSeconds(tileMoveTime));
}
else
{
endPos = scenarioInfo.ComputeTopLeftPointOfTile(nextTile) + citizenTileOffset;
// compute ending position
switch (nextFacing)
{
case ScenarioMgr.Direction.Left:
endAngle = Quaternion.Euler(0, 180, 0);
break;
case ScenarioMgr.Direction.Up:
endAngle = Quaternion.Euler(0, 90, 0);
break;
case ScenarioMgr.Direction.Down:
endAngle = Quaternion.Euler(0, 270, 0);
break;
case ScenarioMgr.Direction.Right:
endAngle = Quaternion.Euler(0, 0, 0);
break;
}
float elapsedTime = 0;
if (rotating)
{
// first handle the rotation
while (elapsedTime < this.turnTime)
{
this.gameObject.transform.rotation = Quaternion.Slerp(startAngle, endAngle, (elapsedTime / this.turnTime));
elapsedTime += Time.deltaTime;
yield return(0);
}
}
//Debug.Log("starting movement from " + startPos.ToString() + " to " + endPos.ToString());
//Debug.Log("from tile " + curTile.ToString() + " to " + nextTile.ToString());
// move
float moveTime = this.tileMoveTime;
if (!scenarioInfo.IsRoadTile(curTile))
{
moveTime = moveTime * 2;
}
elapsedTime = 0;
while (elapsedTime <= moveTime)
{
this.gameObject.transform.position = Vector3.Lerp(startPos, endPos, (elapsedTime / moveTime));
elapsedTime += Time.deltaTime;
yield return(0);
}
// fix data for next tile
this.facing = nextFacing;
this.curTile = nextTile;
startPos = this.gameObject.transform.position;
startAngle = endAngle;
}
}
//Debug.Log("Starting takepath coroutine from Wander");
//startPath = true;
}