experimenting

[clqnts]

Changing the world.c
trees to the following
int ok = 0;//SHOW_TREES;
// if (dx - 4 < 0 || dz - 4 < 0 ||
// dx + 4 >= CHUNK_SIZE || dz + 4 >= CHUNK_SIZE)
// {
// ok = 0;
// }
if (ok && simplex2(x, z, 6, 0.5, 2) > 0.84) {
for (int y = h + 3; y < h + 8; y++) {
for (int ox = -3; ox <= 3; ox++) {
for (int oz = -3; oz <= 3; oz++) {
int d = (ox * ox) + (oz * oz) +
(y - (h + 4)) * (y - (h + 4));
if (d < 11) {
func(x + ox, y, z + oz, 15, arg);
}
}
}
}
for (int y = h; y < h + 7; y++) {
func(x, y, z, 5, arg);
}
}
}