float distance2D(AirWall block1, AirWall block2)
{
Vector2 v1 = new Vector2(block1.Pos.x, block1.Pos.z);
Vector2 v2 = new Vector2(block2.Pos.x, block2.Pos.z);
return(Vector2.Distance(v1, v2));
}
public void Remove(AirWall wall)
{
if (!walls.Contains(wall))
{
return;
}
walls.Remove(wall);
updaterelation(wall);
}
void updaterelation(AirWall wall)
{
List <AirWall> relations = walls.FindAll((AirWall item) =>
{
return(distance2D(wall, item) < 2 * AirWallConst.blockSize);
});
if (relations == null)
{
return;
}
for (int i = 0; i < relations.Count; i++)
{
signUpdate(relations[i]);
}
}
void signUpdate(AirWall wall)
{
wall.airwallCollider.resetState();
for (int i = 0; i < walls.Count; i++)
{
if (walls[i].ID == wall.ID)
{
continue;
}
float dis = distance2D(walls[i], wall);
if (dis >= 2 * AirWallConst.blockSize)
{
continue;
}
EAirWallDirection dir = direction(wall, walls[i]);
wall.airwallCollider.setState(dir);
}
wall.airwallCollider.update();
}
EAirWallDirection direction(AirWall org, AirWall tar)
{
Vector2 Org = new Vector2(org.Pos.x, org.Pos.z);
Vector2 Tar = new Vector2(tar.Pos.x, tar.Pos.z);
Vector2 v1 = Tar - Org;
float dot1 = Vector2.Dot(v1.normalized, Vector2.right);
float dot2 = Vector2.Dot(v1.normalized, Vector2.up);
if (System.Math.Abs(dot1) < 0.0001f)
{
//up or down
if (System.Math.Abs(dot2 - 1) < 0.0001f)
{
//up
return(EAirWallDirection.Up);
}
else
{
//down
return(EAirWallDirection.Down);
}
}
else if (dot1 > 0)
{
if (System.Math.Abs(dot1 - 1f) < 0.0001f)
{
//right
return(EAirWallDirection.Right);
}
else
{
if (dot2 > 0)
{
//up right
return(EAirWallDirection.Rightup);
}
else
{
//down right
return(EAirWallDirection.Rightdown);
}
}
}
else
{
if (System.Math.Abs(dot1 - -1f) < 0.0001f)
{
//left
return(EAirWallDirection.Left);
}
else
{
if (dot2 > 0)
{
//left up
return(EAirWallDirection.Leftup);
}
else
{
//left down
return(EAirWallDirection.Leftdown);
}
}
}
}
public void Add(AirWall wall)
{
walls.Add(wall);
updaterelation(wall);
}