commit 87d85027d3904e35df78c2f227d3345364a307a3
Author: Isabelle Lesko <me@izzabelle.dev>
Date:   Sun Mar 28 12:46:41 2021 -0500

    initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9510a41
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/target
+Cargo.lock
+/.import
+/.mono
\ No newline at end of file
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..8dc4ce8
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "marching_cubes"
+version = "0.1.0"
+authors = ["Isabelle Lesko <me@izzabelle.dev>"]
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+gdnative = "0.9.3"
+cgmath = "0.18.0"
diff --git a/Main.tscn b/Main.tscn
new file mode 100644
index 0000000..578beda
--- /dev/null
+++ b/Main.tscn
@@ -0,0 +1,9 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://PointGenerator.gdns" type="Script" id=1]
+
+[node name="RootNode" type="Spatial"]
+
+[node name="PointGenerator" type="Node" parent="."]
+
+[node name="PointsRoot" type="Spatial" parent="."]
diff --git a/default_env.tres b/default_env.tres
new file mode 100644
index 0000000..20207a4
--- /dev/null
+++ b/default_env.tres
@@ -0,0 +1,7 @@
+[gd_resource type="Environment" load_steps=2 format=2]
+
+[sub_resource type="ProceduralSky" id=1]
+
+[resource]
+background_mode = 2
+background_sky = SubResource( 1 )
diff --git a/icon.png b/icon.png
new file mode 100644
index 0000000..c98fbb6
Binary files /dev/null and b/icon.png differ
diff --git a/icon.png.import b/icon.png.import
new file mode 100644
index 0000000..96cbf46
--- /dev/null
+++ b/icon.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.png"
+dest_files=[ "res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0
diff --git a/project.godot b/project.godot
new file mode 100644
index 0000000..1ec6757
--- /dev/null
+++ b/project.godot
@@ -0,0 +1,24 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=4
+
+_global_script_classes=[  ]
+_global_script_class_icons={
+
+}
+
+[application]
+
+config/name="Marching Cubes"
+run/main_scene="res://Main.tscn"
+config/icon="res://icon.png"
+
+[rendering]
+
+environment/default_environment="res://default_env.tres"
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..450079c
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,11 @@
+// namespacing
+use gdnative::prelude::*;
+
+// modules
+mod point_gen;
+
+// register classes to godot lib
+fn init(handle: InitHandle) {
+    handle.add_class::<point_gen::PointGenerator>()
+}
+godot_init!(init);
diff --git a/src/point_gen.rs b/src/point_gen.rs
new file mode 100644
index 0000000..e47c630
--- /dev/null
+++ b/src/point_gen.rs
@@ -0,0 +1,72 @@
+use cgmath::Vector3;
+use gdnative::api::OpenSimplexNoise;
+use gdnative::prelude::*;
+use std::collections::HashMap;
+
+// structure to represent the point data generator class
+#[derive(NativeClass)]
+#[inherit(Node)]
+pub struct PointGenerator {
+    // exported fields
+    #[property]
+    pub width: i64,
+    #[property]
+    pub height: i64,
+    #[property]
+    pub depth: i64,
+    #[property]
+    pub noise_seed: i64,
+    #[property]
+    pub noise_octaves: i64,
+    #[property]
+    pub noise_peroid: f64,
+    #[property]
+    pub noise_persistence: f64,
+
+    // internal fields
+    _point_map: HashMap<Vector3<i64>, f64>,
+}
+
+#[methods]
+impl PointGenerator {
+    // basic constructor
+    fn new(_owner: &Node) -> Self {
+        PointGenerator {
+            // exported fields
+            width: 0,
+            height: 0,
+            depth: 0,
+            noise_seed: 691337420,
+            noise_octaves: 4,
+            noise_peroid: 20.0,
+            noise_persistence: 0.8,
+            // internal fields
+            _point_map: HashMap::new(),
+        }
+    }
+
+    fn generate_points(&mut self) {
+        let rng = OpenSimplexNoise::new();
+
+        rng.set_seed(self.noise_seed);
+        rng.set_octaves(self.noise_octaves);
+        rng.set_period(self.noise_peroid);
+        rng.set_persistence(self.noise_persistence);
+
+        for x in 0..(self.width) {
+            for z in 0..(self.depth) {
+                for y in 0..(self.height) {
+                    let noise_value = rng.get_noise_3d(x as f64, y as f64, z as f64);
+                    self._point_map.insert(Vector3::new(x, y, z), noise_value);
+                }
+            }
+        }
+    }
+
+    // called on the node being instatiated
+    #[export]
+    fn _ready(&mut self, _owner: &Node) {
+        self.generate_points();
+        godot_print!("generated points");
+    }
+}