private void DoRender()
{
Texture2D texture = new Texture2D((int)(_size.x * _pixelPerUnit), (int)(_size.y * _pixelPerUnit), TextureFormat.RGBA32, false, true);
texture.wrapMode = TextureWrapMode.Clamp;
Color[] color = new Color[texture.width * texture.height];
for (int x = 0; x < texture.width; x++)
{
for (int y = 0; y < texture.height; y++)
{
Vector3 worldPosition = transform.TransformPoint(GetLocalPosition(x, y, texture.width, texture.height));
float intensity = LightSampling.GetIntensity(worldPosition);
int index = y * texture.width + x;
color[index] = new Color(intensity, intensity, intensity, 1);
}
}
texture.SetPixels(color);
texture.Apply();
_spriteRenderer.sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f), _pixelPerUnit);
}
public void SetLightSampling(LightSampling sampling)
{
PrevalidateMaterial();
_currentMaterial = _currentMaterial.UpdateLightSampling(sampling);
}