public static Color[] CreateColorFromHitRecord(int width, int height)
{
var camera = new RayTraceCamera(Vector3.zero, new Vector3(0f, 0f, -1f), Vector3.up, 90f, 2f, 0f, 1f);
var colors = new Color[width * height];
var hitableList = new HitableList();
hitableList.List.Add(new Sphere(new Vector3(0, 0, -1), 0.5f, new Lambertian(Color.white)));
hitableList.List.Add(new Sphere(new Vector3(0, -100.5f, -1), 100f, new Lambertian(Color.white)));
for (int j = height - 1; j >= 0; j--)
{
for (int i = 0; i < width; i++)
{
var color = new Color();
for (int s = 0; s < SamplingNumber; s++)
{
var u = (i + Random.Range(0, 1f)) / width;
var v = (j + Random.Range(0, 1f)) / height;
var r = camera.GetRay(u, v);
color += GetColorFromHitRecord(r, hitableList);
}
color /= SamplingNumber;
colors[i + j * width] = new Color(Mathf.Sqrt(color.r), Mathf.Sqrt(color.g), Mathf.Sqrt(color.b), 1f);
}
}
return(colors);
}
public static Color[] CreateColorFromHitRecord(int width, int height)
{
var camPos = new Vector3(10f, 2f, -3f);
var camLookAt = new Vector3(0f, 1f, 0f);
var focusDist = (camLookAt - camPos).magnitude;
var camera = new RayTraceCamera(camPos, camLookAt, Vector3.up, 40f, 2f, 0f, focusDist);
var colors = new Color[width * height];
var hitableList = GetHitableListFromScene();
for (int j = height - 1; j >= 0; j--)
{
for (int i = 0; i < width; i++)
{
var color = new Color();
for (int s = 0; s < SamplingNumber; s++)
{
var u = (i + Random.Range(0, 1f)) / width;
var v = (j + Random.Range(0, 1f)) / height;
var r = camera.GetRay(u, v);
color += GetColorFromHitRecord(r, hitableList, 2);
}
color /= SamplingNumber;
colors[i + j * width] = new Color(Mathf.Sqrt(color.r), Mathf.Sqrt(color.g), Mathf.Sqrt(color.b), 1f);
}
}
return(colors);
}
