public IDisposable Subscribe(IFoamArea observer)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
observers.Add(observer);
return(new ListUnsubscriber <IFoamArea>(observers, observer));
}
public void SetValueToShader(OceanCameraTask oceanCamera, PreparedContent preparedContent)
{
if ((preparedContent & PreparedContent.FoamArea1) != 0)
{
if (observers.Count == 0)
{
ResetShader();
return;
}
else if (observers.Count == 1)
{
SetValueToShader(observers[0]);
}
else
{
Vector3 cameraPos = oceanCamera.transform.position;
IFoamArea min = observers[0];
float minDis = Vector3.Distance(cameraPos, min.Position);
for (int i = 1; i < observers.Count; i++)
{
var current = observers[i];
var currentDis = Vector3.Distance(cameraPos, current.Position);
if (currentDis < minDis)
{
min = current;
minDis = currentDis;
}
}
SetValueToShader(min);
}
}
}
public void SetValueToShader(IFoamArea area)
{
Shader.SetGlobalTexture(FoamOptions.AreaTexture0Name, area.Texture);
Shader.SetGlobalVector(FoamOptions.AreaRect0Name, area.Rect);
Shader.SetGlobalVector(FoamOptions.AreaPosition0Name, VectorHelper.Create(area.Position, area.Intensity));
}
