private static void InfectArea(GenerationProgress progress)
{
var area = BiomeManager.Get <Epicenter>().Area;
var widthL = SurfaceWidth / 2f; // The left side of the biome's width.
var widthR = SurfaceWidth / 2f; // The right side of the biome's width.
var j = area.Top; // The current iterator. We iterate from top to bottom via rows.
// Just a shortcut function :P
void InfectRow()
{
for (int i = area.Center.X - (int)widthL; i < area.Center.X + (int)widthR; i++)
{
TileExtensions.Infect(i, j);
}
}
float GetJPercent() => (j - area.Top) / (float)area.Height;
// Initial surface. Skinny.
for (; GetJPercent() < 0.1 && widthL + widthR < area.Width; j++)
{
widthL += Rand(-1, 1);
widthR += Rand(-1, 1);
InfectRow();
}
progress.Value = 0.3f;
float inc = 1f; // How the shape of the biome should expand/
// Expansion. The underground is a lot larger than the above ground.
for (; GetJPercent() < 0.5 && widthL + widthR < area.Width; j++)
{
inc += 0.01f;
widthL += Rand(-inc / 3, inc);
widthR += Rand(-inc / 3, inc);
InfectRow();
}
progress.Value = 0.5f;
// The more jagged edges of the bottom of the biome's bottom
inc = 0f;
for (; GetJPercent() < 0.8; j++)
{
inc += 0.02f;
widthL += Rand(-inc, inc);
widthR += Rand(-inc, inc);
InfectRow();
}
progress.Value = 0.7f;
// Finally, close the bottom of the biome
for (; GetJPercent() < 1 && widthL + widthR > 0 && inc > 0; j++)
{
inc -= 0.065f;
widthL += Rand(-inc - 1, inc / 2);
widthR += Rand(-inc - 1, inc / 2);
InfectRow();
}
progress.Value = 0.9f;
}
public override void RandomUpdate(int i, int j)
{
// Choose a random point to infect
Point offset = (WorldGen.genRand.NextFloat().ToRotationVector2() * WorldGen.genRand.Next(InfectiousTile.Range)).ToPoint();
Point tilePos = new Point(i + offset.X, j + offset.Y);
TileExtensions.Infect(tilePos.X, tilePos.Y);
}
