for (int i = 0; i < warmUp; i++) {
float posX = pfr.nextFloat() * 1000f;
float posY = pfr.nextFloat() * 1000f;
float posZ = pfr.nextFloat() * 1000f;
pn.noise(posX, posY, posZ);
}
for (int i = 0; i < warmUp; i++) {
float posX = sfr.nextFloat() * 1000f;
float posY = sfr.nextFloat() * 1000f;