void DrawFieldOfView(Transform owner, float viewAngle, float viewDistance, FieldOfViewUnit unit)
{
if (Model.disableRendering)
{
return;
}
int stepCount = Mathf.RoundToInt(viewAngle * Model.meshResolution);
float stepAngleSize = viewAngle / stepCount;
List <Vector3> viewPoints = new List <Vector3>();
List <float> viewAngles = new List <float>();
ViewCastInfo oldViewCast = new ViewCastInfo();
float startAngle = viewAngle == 360.0f ? 0 : owner.eulerAngles.y;
for (int i = 0; i <= stepCount; i++)
{
float angle = startAngle - viewAngle / 2 + stepAngleSize * i;
ViewCastInfo newViewCast = ViewCast(owner, angle, viewDistance);
if (i > 0)
{
bool edgeDstThreshholdExceeded = Mathf.Abs(oldViewCast.dst - newViewCast.dst) > Model.edgeDistanceThreshhold;
if (oldViewCast.hit != newViewCast.hit || (oldViewCast.hit && edgeDstThreshholdExceeded))
{
EdgeInfo edge = FindEdge(owner, oldViewCast, newViewCast, viewDistance);
if (edge.pointA != Vector3.zero)
{
viewPoints.Add(owner.InverseTransformPoint(edge.pointA));
viewAngles.Add(edge.angleA);
}
if (edge.pointB != Vector3.zero)
{
viewPoints.Add(owner.InverseTransformPoint(edge.pointB));
viewAngles.Add(edge.angleB);
}
}
}
viewPoints.Add(owner.InverseTransformPoint(newViewCast.point));
viewAngles.Add(angle);
oldViewCast = newViewCast;
}
if (Model.ribbon && unit.RibbonViewMesh)
{
renderRibbon(viewPoints, viewAngles, unit.RibbonViewMesh, owner);
}
//Debug.Log("IT" + fovUnit.ViewMesh + " " + fan);
if (Model.fan && unit.ViewMesh)
{
renderFan(viewPoints, viewAngles, unit.ViewMesh, owner);
}
}
void OnSceneGUI()
{
FieldOfViewUnit fow = (FieldOfViewUnit)target;
FieldOfViewModel fovModel = (FieldOfViewModel)fow.Model;
foreach (FieldOfViewUnit unit in fovModel.units)
{
Handles.color = Color.yellow;
if (unit != fow)
{
Handles.DrawWireArc(unit.transform.position, Vector3.up, Vector3.forward, 360, unit.revealRadius);
}
}
Handles.color = Color.white;
Handles.DrawWireArc(fow.transform.position, Vector3.up, Vector3.forward, 360, fow.revealRadius);
foreach (Transform target in fovModel.visibleTargets)
{
Handles.color = Color.red;
Handles.DrawWireCube(target.transform.position, target.transform.localScale * 1.2f);
}
}