The random_seed parameter does not produce the desired effects. Creates different files even though they share the same random_seed.

deterministic_tests.sh

@@ -75,5 +75,29 @@ fi
 
 rm -rf "${C14N}"
 
+##############
+#  RANDOM_SEED
+##############
+
+echo "random_seed..."
+
+RANDOM_SEED=$(mktemp -d)
+FIRST="${RANDOM_SEED}/first.stl"
+SECOND="${RANDOM_SEED}/second.stl"
+
+openscad -q -o "${FIRST}" scad/deterministic_random_seed.scad
+openscad -q -o "${SECOND}" scad/deterministic_random_seed2.scad
+
+DIFF_VAL=$(diff "${FIRST}" "${SECOND}")
+
+if [[ "${DIFF_VAL}" == "" ]]; then
+	echo "Files are the same"
+else
+	#echo "${DIFF_VAL}"
+	echo "Files are different"
+fi
+
+rm -rf "${RANDOM_SEED}"
+
 #--export-format asciistl
 #--export-format binstl

scad/deterministic_random_seed.scad

@@ -0,0 +1,9 @@
+$fn = 100;
+random_seed=1337;
+
+difference () {
+	cube([40, 40, 40], center = true);
+	cylinder(r = 20/2, h = 40 + 1, center = true);
+	rotate([90, 0, 0]) cylinder(r = 20/2, h = 40 + 1, center = true);
+	rotate([0, 90, 0]) cylinder(r = 20/2, h = 40 + 1, center = true);
+}

scad/deterministic_random_seed2.scad

@@ -0,0 +1,9 @@
+$fn = 100;
+random_seed=1337;
+
+difference () {
+	cube([40, 40, 40], center = true);
+	rotate([0, 90, 0]) cylinder(r = 20/2, h = 40 + 1, center = true);
+	rotate([90, 0, 0]) cylinder(r = 20/2, h = 40 + 1, center = true);
+	cylinder(r = 20/2, h = 40 + 1, center = true);
+}