void ValidateShadowMap()
{
if (!shadowMapGO)
{
Color shadowColor = new Color(0.0f, 0.0f, 0.0f, 0.0f);
shadowMapGO = new GameObject("__ShadowMap");
shadowMapGO.hideFlags = HideFlags.HideAndDontSave;
shadowMapGO.AddComponent(typeof(Camera));
shadowMapGO.GetComponent <Camera>().orthographic = true;
shadowMapGO.GetComponent <Camera>().orthographicSize = 1;
shadowMapGO.GetComponent <Camera>().aspect = 1;
shadowMapGO.GetComponent <Camera>().clearFlags = CameraClearFlags.Nothing; // CameraClearFlags.SolidColor;
shadowMapGO.GetComponent <Camera>().backgroundColor = shadowColor;
shadowMapGO.GetComponent <Camera>().depth = 0;
shadowMapGO.transform.position = transform.position;
shadowMapGO.transform.rotation = transform.rotation;
shadowMapGO.transform.localScale = Vector3.one;
shadowMapGO.GetComponent <Camera>().enabled = false;
RenderBorder renderBorder = shadowMapGO.AddComponent(typeof(RenderBorder)) as RenderBorder;
renderBorder.border = border;
renderBorder.borderColor = shadowColor;
}
shadowMapRT = RenderTexture.GetTemporary(resolution, resolution, 0, RenderTextureFormat.ARGB32);
if (!shadowMapRT)
{
Debug.Log("Couldn't get ShadowMap RT for shadow blobs " + resolution);
}
if (shadowMapGO && shadowMapRT)
{
shadowMapGO.GetComponent <Camera>().targetTexture = shadowMapRT;
Rect rect = new Rect();
rect.x = border;
rect.y = border;
rect.width = shadowMapRT.width - border * 2;
rect.height = shadowMapRT.height - border * 2;
shadowMapGO.GetComponent <Camera>().pixelRect = rect;
}
}
internal void UpdateBorder(ColorIndex border)
{
this.border = border;
RenderBorder?.Invoke(border);
}
