public void Execute()
{
var nx = (float)size.x;
var ny = (float)size.y;
// TODO - make this a CameraFrame input / default
var lowerLeftCorner = new float3(-2, -1, -1);
var horizontal = new float3(4, 0, 0);
var vertical = new float3(0, 2, 0);
var origin = new float3();
for (float j = 0; j < size.y; j++)
{
for (float i = 0; i < size.x; i++)
{
float u = i / nx;
float v = j / ny;
Ray r = new Ray(origin, lowerLeftCorner + u * horizontal + v * vertical);
float3 col = Color(r, World);
var index = (int)(j * nx + i);
Pixels[index] = col.ToRgb24();
}
}
}
public void Execute()
{
var nx = (float)size.x;
var ny = (float)size.y;
for (float j = 0; j < size.y; j++)
{
var rowIndex = j * nx;
for (float i = 0; i < size.x; i++)
{
var index = (int)(rowIndex + i);
float3 col = new float3();
for (int s = 0; s < numberOfSamples; s++)
{
float u = (i + random.NextFloat()) / nx;
float v = (j + random.NextFloat()) / ny;
Ray r = camera.GetRay(u, v);
col += Color(r, World);
}
col /= (float)numberOfSamples;
Pixels[index] = col.ToRgb24();
}
}
}
public void Execute()
{
var nx = (float)size.x;
var ny = (float)size.y;
for (var j = 0; j < size.y; j++)
{
var rowIndex = j * nx;
for (var i = 0; i < size.x; i++)
{
var col = new float3(i / nx, j / ny, 0.2f);
var index = (int)(rowIndex + i);
Pixels[index] = col.ToRgb24();
}
}
}