/// <summary>
/// Grab a radar display element from the pool
/// </summary>
/// <returns></returns>
RadarPoolInstance GetDisplayElement()
{
if (radarPool.Count > 1)
{
return(radarPool.Dequeue());
}
else
{
RadarPoolInstance rf = null;
for (int i = 0; i < 4; i++)
{
GameObject go = new GameObject("Tracker");
go.transform.SetParent(this.transform);
MeshFilter f = go.AddComponent <MeshFilter>();
MeshRenderer r = go.AddComponent <MeshRenderer>();
r.material = this.trackerMaterial;
go.SetActive(false);
if (rf == null)
{
RadarPoolInstance rpi = new RadarPoolInstance();
rpi.gameObject = go;
rpi.filter = f;
rpi.renderer = r;
rf = rpi;
}
}
return(rf);
}
}
/// <summary>
/// Update position of radar elements from their real world positions relative to this display
/// </summary>
void Update()
{
float scale = displaySize / worldRange;
List <Color> colours = new List <Color>();
List <Vector3> points = new List <Vector3>();
foreach (Radar3dElement element in scene.elements)
{
Vector3 localPos = this.transform.InverseTransformPoint(element.transform.position);
float distance = localPos.magnitude;
if (distance * distance < worldRange * worldRange)
{
//Draw
MeshFilter mf;
if (!this.usedFilters.ContainsKey(element))
{
RadarPoolInstance rpi = GetDisplayElement();
rpi.gameObject.transform.localScale = Vector3.one * element.scale;
mf = rpi.filter;
rpi.renderer.material.color = element.color;
mf.gameObject.SetActive(true);
mf.sharedMesh = element.shape;
this.usedFilters[element] = rpi;
}
else
{
mf = this.usedFilters[element].filter;
}
mf.transform.localPosition = localPos * scale;
colours.Add(element.color);
points.Add(mf.transform.localPosition);
points.Add(new Vector3(mf.transform.localPosition.x, 0, mf.transform.localPosition.z));
}
else
{
//Hide
if (this.usedFilters.ContainsKey(element))
{
RadarPoolInstance rpi = this.usedFilters[element];
this.usedFilters.Remove(element);
rpi.gameObject.SetActive(false);
this.radarPool.Enqueue(rpi);
}
}
this.colours = colours.ToArray();
this.points = points.ToArray();
}
}