private int Scan()
{
var camera = new Camera(new Vector3(0, 0, 1), new Vector3(0, 0, -1), new Vector3(0, 1, 0), 75, 1);
var recip_width = 1f / Width;
var recip_height = 1f / Height;
for (j = 0; j < Height; j++)
{
for (i = 0; i < Width; i++)
{
var color = new Color32(0, 0, 0, 0);
for (var s = 0; s < Samples; s++)
{
color += mode == Mode.Diffusing
? Diffusing(camera.CreateRay(
(i + Random.Range(0, 1f)) * recip_width,
(j + Random.Range(0, 1f)) * recip_height), hitableList, 0)
: NormalMap(camera.CreateRay(
(i + Random.Range(0, 1f)) * recip_width,
(j + Random.Range(0, 1f)) * recip_height), hitableList);
}
color /= Samples;
color *= 1f;
buff.SetPixel(i, Height - j - 1, color.ToSystemColor());
}
}
return(0);
}
public Vector3 GetRandomPointInUnitSphere()
{
var p = new Vector3(Random.Range(0f, 1f), Random.Range(0f, 1f), Random.Range(0f, 1f)) * 2f - Vector3.one;
return(p.Normalized() * Random.Range(0f, 1f));
}