void ComputeFitness(Nematode painter)
{
var fitness = new Dictionary <int, bool>();
var points = painter.GetPoints(resolution);
const int fineness = 10;
const float step = 1f / fineness;
for (int i = 1, n = points.Count; i < n; i++)
{
var i0 = i - 1;
var i1 = i;
var i2 = (i + 1) % n;
var i3 = (i + 2) % n;
for (var t = 0f; t < 1f; t += step)
{
var p0 = Spline.GetPosition(t, points[i0], points[i1], points[i2], points[i3]);
var p1 = Spline.GetPosition(t + step, points[i0], points[i1], points[i2], points[i3]);
var dir = (p1 - p0);
var norm = dir.normalized;
var m = dir.magnitude;
for (var tt = 0f; tt < 1f; tt += step)
{
var p = p0 + norm * m * tt;
int x = Mathf.FloorToInt(p.x);
int y = Mathf.FloorToInt(p.y);
int address = y * resolution + x;
/*
* if(Fit(x, y) && !fitness.ContainsKey(address)) {
* fitness[address] = true;
* }
*
*/
bool fit = Fit(x, y);
if (!fitness.ContainsKey(address))
{
fitness[address] = fit;
}
else
{
fitness[address] &= fit;
}
}
}
}
// painter.Fitness = (1f * fitness.Values.ToList().FindAll((v) => v).Count) / (points.Count * fineness * fineness);
var values = fitness.Values.ToList();
painter.Fitness = (1f * values.FindAll((v) => v).Count) / values.Count;
}
public void Setup()
{
if (nematodes != null)
{
nematodes.Clear();
}
generations = 0;
nematodes = new List <Nematode>();
for (int i = 0; i < count; i++)
{
var painter = new Nematode(strokes);
nematodes.Add(painter);
}
dst = Compress(source);
pixels = dst.GetPixels();
ComputeFitnesses();
}
void DrawPainterGizmos(Nematode painter)
{
var points = painter.GetPoints(resolution);
const float step = 0.1f;
for (int i = 1, n = points.Count; i < n; i++)
{
var i0 = i - 1;
var i1 = i;
var i2 = (i + 1) % n;
var i3 = (i + 2) % n;
for (var t = 0f; t < 1f; t += step)
{
var p0 = Spline.GetPosition(t, points[i0], points[i1], points[i2], points[i3]);
var p1 = Spline.GetPosition(t + step, points[i0], points[i1], points[i2], points[i3]);
Gizmos.DrawLine(p0, p1);
/*
* var dir = (p1 - p0);
* var norm = dir.normalized;
* var m = dir.magnitude;
* for(var tt = 0f; tt < 1f; tt += step)
* {
* var p = p0 + norm * m * tt;
* int x = Mathf.FloorToInt(p.x);
* int y = Mathf.FloorToInt(p.y);
* int address = y * resolution + x;
* if(Fit(x, y)) {
* Gizmos.DrawSphere(p, 0.1f);
* }
* }
*/
}
}
}
