private QTNode GetSameLevelBorder(int dir)
{
List <QTNode> nodeList = QTManager.Instance.activeTerrain.allNodeListArray[lodLevel];
Vector3 target = Vector3.zero;
switch (dir)
{
case 0:
target = center + new Vector3(0f, 0f, length);
break;
case 1:
target = center + new Vector3(length, 0f, 0f);
break;
case 2:
target = center + new Vector3(0f, 0f, -length);
break;
case 3:
target = center + new Vector3(-length, 0f, 0f);
break;
}
for (int i = 0; i < nodeList.Count; i++)
{
if (MathExtra.ApproEquals(nodeList [i].center.x, target.x) && MathExtra.ApproEquals(nodeList [i].center.z, target.z))
{
return(nodeList [i]);
}
}
return(null);
}
public QTNode FindBorder(QTNode node, int dir)
{
nodeList = null;
tNode = null;
for (int i = node.lodLevel + 2; i < activeTerrain.maxLodLevel; i++)
{
nodeList = activeTerrain.activeNodeListArray [i];
for (int m = 0; m < nodeList.Count; m++)
{
tNode = nodeList[m];
switch (dir)
{
case 0:
if (MathExtra.ApproEquals(node.center.z + node.length * 0.5f, tNode.center.z - tNode.length * 0.5f) &&
(node.center.x > tNode.center.x - tNode.length * 0.5f) && (node.center.x < tNode.center.x + tNode.length * 0.5f))
{
return(tNode);
}
break;
case 1:
if (MathExtra.ApproEquals(node.center.x + node.length * 0.5f, tNode.center.x - tNode.length * 0.5f) &&
(node.center.z > tNode.center.z - tNode.length * 0.5f) && (node.center.z < tNode.center.z + tNode.length * 0.5f))
{
return(tNode);
}
break;
case 2:
if (MathExtra.ApproEquals(node.center.z - node.length * 0.5f, tNode.center.z + tNode.length * 0.5f) &&
(node.center.x > tNode.center.x - tNode.length * 0.5f) && (node.center.x < tNode.center.x + tNode.length * 0.5f))
{
return(tNode);
}
break;
case 3:
if (MathExtra.ApproEquals(node.center.x - node.length * 0.5f, tNode.center.x + tNode.length * 0.5f) &&
(node.center.z > tNode.center.z - tNode.length * 0.5f) && (node.center.z < tNode.center.z + tNode.length * 0.5f))
{
return(tNode);
}
break;
}
}
}
return(null);
}
private bool GetBorderStatus(int dir)
{
if (lodLevel == QTManager.Instance.activeTerrain.maxLodLevel)
{
return(false);
}
if (dir == 0 && ((borderStatus & BorderStatus.UpBorder) == BorderStatus.UpBorder))
{
return(false);
}
if (dir == 1 && ((borderStatus & BorderStatus.RightBorder) == BorderStatus.RightBorder))
{
return(false);
}
if (dir == 2 && ((borderStatus & BorderStatus.DownBorder) == BorderStatus.DownBorder))
{
return(false);
}
if (dir == 3 && ((borderStatus & BorderStatus.LeftBorder) == BorderStatus.LeftBorder))
{
return(false);
}
float halfLength = length * 0.5f;
float targetA = (dir == 0 || dir == 2)?(center.x - halfLength):(center.z - halfLength);
float targetB = (dir == 0 || dir == 2)?(center.x + halfLength):(center.z + halfLength);
List <QTNode> checkList = QTManager.Instance.activeTerrain.activeNodeListArray [lodLevel + 1];
switch (dir)
{
case 0:
for (int i = 0; i < checkList.Count; i++)
{
if (MathExtra.ApproEquals(checkList [i].center.x, targetA) || MathExtra.ApproEquals(checkList [i].center.x, targetB))
{
if (MathExtra.ApproEquals(checkList [i].center.z - length, center.z + halfLength))
{
return(true);
}
}
}
break;
case 1:
for (int i = 0; i < checkList.Count; i++)
{
if (MathExtra.ApproEquals(checkList [i].center.z, targetA) || MathExtra.ApproEquals(checkList [i].center.z, targetB))
{
if (MathExtra.ApproEquals(checkList [i].center.x - length, center.x + halfLength))
{
return(true);
}
}
}
break;
case 2:
for (int i = 0; i < checkList.Count; i++)
{
if (MathExtra.ApproEquals(checkList [i].center.x, targetA) || MathExtra.ApproEquals(checkList [i].center.x, targetB))
{
if (MathExtra.ApproEquals(checkList [i].center.z + length, center.z - halfLength))
{
return(true);
}
}
}
break;
case 3:
for (int i = 0; i < checkList.Count; i++)
{
if (MathExtra.ApproEquals(checkList [i].center.z, targetA) || MathExtra.ApproEquals(checkList [i].center.z, targetB))
{
if (MathExtra.ApproEquals(checkList [i].center.x + length, center.x - halfLength))
{
return(true);
}
}
}
break;
}
return(false);
}