one down two more take it's place

.gitignore

@@ -7,6 +7,7 @@ bin/
 obj/
 
 Raw/
+_frames/
 
 .vscode
 anchors.txt

Platforms/Android/AndroidManifest.xml

@@ -2,8 +2,8 @@
 <manifest
   xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.dofdev.snake"
-  android:versionCode="17"
-  android:versionName="1.27"
+  android:versionCode="29"
+  android:versionName="1.32"
   android:installLocation="auto"
 >
   <uses-sdk android:minSdkVersion="29" android:targetSdkVersion="32" />

readme.md

@@ -62,7 +62,7 @@ todo
     fun to play daily for a couple weeks or so
       playable with a half engaging vid or conversation in the background
 
-  my tempo
+  my tempo (zen mode *after initial release*)
     on l_con tap (a) btn to step, and repeatedly to set tempo
     once a tempo has been set you can stop tapping and you'll coast at that tempo
     if you tap again it resets the tempo latch, so if you just tapped once it's an easy way to pause
@@ -74,6 +74,18 @@ todo
     this makes it easier to play alongside a video, as your attention span can drift in and out
     and you can take tougher parts slower
 
+  user prompt
+    for start and any other times we need to communicate simple instructions to the player
+
+  [!] snake can accidentally cover the menu
+
+  make depth easier to judge
+    pseudo light source is coming from your face (maybe at a diagonal *higher up* angler fish)
+    need some surface detail on the box faces (that fit within the art style)
+
+  benchmark
+    need to be able to play without moving/turning the box
+
 bug(s)
   ...
 

src/Arts.cs

@@ -42,10 +42,12 @@ static class Arts
 
     public static void Frame()
     {
-        // background
-        if (Device.DisplayBlend == DisplayBlend.Opaque)
+        bool vr = Device.DisplayBlend == DisplayBlend.Opaque;
+        // render hands if not in mixed reality
+        // Input.HandVisible(Handed.Max, vr);
+        if (vr)
         {
-
+            // background standin if no passthrough
         }
 
         // fullstick
@@ -65,7 +67,9 @@ static class Arts
         );
 
         // box
-        Hierarchy.Push(Mono.box_pose.ToMatrix(Mono.box_scale));
+        // scale in
+        float box_scale = Mono.box_scale; // Maths.min(Maths.smooth_stop(Maths.u_scalar(Time.Totalf - 3)) * Mono.box_scale, Mono.box_scale);
+        Hierarchy.Push(Mono.box_pose.ToMatrix(box_scale));
         // meshes["InsideOut"].Draw(mat_unlit, Matrix.Identity);
         meshes["InsideOut"].Draw(
             mat_box,
@@ -116,7 +120,9 @@ static class Arts
             );
         }
 
-        string face = food_next ? "Face1Eat" : "Face0Default";
+        string face = "Face0Default";
+        face = Mono.grow_buffer > 0 ? "Face2Eaten" : face;
+        face = food_next ? "Face1Eat" : face;
         meshes[face].Draw(
             mat_mono,
             Matrix.TRS(
@@ -143,7 +149,8 @@ static class Arts
             );
         }
         // false tail
-        if (tailmove.state && snake_t < 1.0f) {
+        if (tailmove.state && snake_t < 1.0f)
+        {
             int i_tail = Maths.min(Mono.snake_len, Mono.snake.Length - 1);
             Vec3 tail_dir = Vec3.Direction(Mono.snake[i_tail - 1].ToVec3, Mono.snake[i_tail].ToVec3);
             meshes["Segment"].Draw(
@@ -233,7 +240,7 @@ static class Arts
     public static void Step()
     {
         XYZi snake_head = Mono.snake[0];
-        XYZi snake_tail = Mono.snake[Mono.snake_len -1];
+        XYZi snake_tail = Mono.snake[Mono.snake_len - 1];
         headmove.Step(snake_head != last_headpos);
         tailmove.Step(snake_tail != last_tailpos);
         last_headpos = snake_head;

src/Mono.cs

@@ -5,17 +5,20 @@ namespace snake;
 
 static class Mono
 {
+    public static double game_time = 0.0;
     public static double step_step = 60.0 / 80; // 80|100|120 bpm
     public static double step_time = 0.0;
     public static double step_t = 0.0;
 
+    public static double intro_skip = 0.0;
+    public static bool intro = true; // press to move until x condition or hold to skip
     public static bool menu = true;
 
     public static Pose box_pose = new(0, -3 * U.cm, -10 * U.cm);
     public static float box_scale = 1.333f * U.cm;
     public const int SD_X = 3, SD_Y = 2, SD_Z = 3;
     public static SpatialArray<int>
-        box_space = new(SD_X-1, SD_Y-1, SD_Z-1, -1),
+        box_space = new(SD_X - 1, SD_Y - 1, SD_Z - 1, -1),
         s_array = new(SD_X, SD_Y, SD_Z, -1),
         tail_fill = new(SD_X, SD_Y, SD_Z, -1);
 
@@ -52,12 +55,21 @@ static class Mono
 
     public static void Frame()
     {
-        if (Rig.btn_trigger.delta == +1)
+        if (Rig.btn_back.delta == +1)
         {
             menu = !menu;
             SFX.click.PlayBox(new XYZi(0, 0, Mono.SD_Z + 1));
         }
 
+        if (menu)
+        {
+            // just one btn(resume) in menu rn
+            if (Rig.btn_select.delta == +1)
+            {
+                menu = false;
+            }
+        }
+
         // flatscreen dev controls
         if (Device.Name == "Simulator")
         {
@@ -107,7 +119,7 @@ static class Mono
     public static void Step()
     {
         // eat tail
-        if (snake[0] + snake_dir == snake[snake_len-1])
+        if (snake[0] + snake_dir == snake[snake_len - 1])
         {
             snake_len--;
             grow_buffer = 0;
@@ -152,14 +164,11 @@ static class Mono
         }
 
         // slither
-        if (!menu)
+        for (int i = snake.Length - 1; i > 0; i--)
         {
-            for (int i = snake.Length - 1; i > 0; i--)
-            {
-                snake[i] = snake[i - 1];
-            }
-            snake[0] += snake_dir;
+            snake[i] = snake[i - 1];
         }
+        snake[0] += snake_dir;
 
         in_box.Step(box_space.InRange(snake[0]));
         if (in_box.delta != 0) // 1 just in -1 just out
@@ -189,7 +198,9 @@ static class Mono
 
                 SFX.crisp_nom.PlayBox(snake[0]);
             }
-        } else {
+        }
+        else
+        {
             (bool viable, XYZi cell) = Feed();
             eaten_latch.Step(!viable);
             if (eaten_latch.delta == -1)
@@ -209,9 +220,11 @@ static class Mono
         // step from head using directions towards the tail
         // and stop at either 1 cell away from the tail or 5 spaces away from the head
         bool viable = false;
+        bool viable_step = false;
         XYZi cell = snake[0];
         for (int step = 0; step < 5; step++)
         {
+            viable_step = false;
             int min_dist = 100;
             XYZi min_cell = new();
             int[] dir_indices = GetShuffledIndices(directions);
@@ -225,9 +238,14 @@ static class Mono
                     min_dist = tail_dist;
                     min_cell = dir_cell;
                     viable = true;
+                    viable_step = true;
                 }
             }
-            cell = min_cell;
+            if (viable_step)
+            {
+                tail_fill[min_cell] = -1; // prevent backtracking
+                cell = min_cell;
+            }
             // if (min_dist <= 1)
             // {
             //     break;
@@ -249,7 +267,7 @@ static class Mono
             XYZi _sv = queue.Dequeue();
             int currentDistance = fill_array[_sv];
 
-            // check all 4 directions
+            // check all 6 directions
             foreach (XYZi dir in directions)
             {
                 XYZi newV = _sv + dir;
@@ -273,9 +291,7 @@ static class Mono
         for (int i = indices.Length - 1; i > 0; i--)
         {
             int j = System.Random.Shared.Next(i + 1);
-            int temp = indices[i];
-            indices[i] = indices[j];
-            indices[j] = temp;
+            (indices[j], indices[i]) = (indices[i], indices[j]);
         }
         return indices;
     }
@@ -283,23 +299,23 @@ static class Mono
     // directions for moving in the grid
     static readonly XYZi[] directions = new XYZi[]
     {
-        new XYZi(-1, 0, 0), // lft
-        new XYZi(+1, 0, 0), // rht
-        new XYZi(0, -1, 0), // dwn
-        new XYZi(0, +1, 0), // up
-        new XYZi(0, 0, -1), // fwd
-        new XYZi(0, 0, +1), // back
+        new(-1, 0, 0), // lft
+        new(+1, 0, 0), // rht
+        new(0, -1, 0), // dwn
+        new(0, +1, 0), // up
+        new(0, 0, -1), // fwd
+        new(0, 0, +1), // back
     };
     static readonly XYZi[] corners = new XYZi[]
     {
-        new XYZi(-1, -1, -1),
-        new XYZi(-1, -1, +1),
-        new XYZi(-1, +1, -1),
-        new XYZi(-1, +1, +1),
-        new XYZi(+1, -1, -1),
-        new XYZi(+1, -1, +1),
-        new XYZi(+1, +1, -1),
-        new XYZi(+1, +1, +1)
+        new(-1, -1, -1),
+        new(-1, -1, +1),
+        new(-1, +1, -1),
+        new(-1, +1, +1),
+        new(+1, -1, -1),
+        new(+1, -1, +1),
+        new(+1, +1, -1),
+        new(+1, +1, +1)
     };
 
     static XYZi InsetCell(XYZi cell)

src/Program.cs

@@ -15,7 +15,7 @@ class Program
         {
             appName = "snake",
             assetsFolder = "Assets",
-            blendPreference = DisplayBlend.Blend,
+            blendPreference = DisplayBlend.AnyTransparent,
             // overlayApp = true,
             // overlayPriority = 1,
             depthMode = DepthMode.D32,
@@ -29,12 +29,16 @@ class Program
 
         Renderer.Scaling = 2;
         World.OcclusionEnabled = true;
-        // Device.DisplayBlend = DisplayBlend.Blend;
+        Device.DisplayBlend = DisplayBlend.AnyTransparent;
+        Renderer.EnableSky = false;
+        Renderer.ClearColor = new Color(0.0f, 0.0f, 0.0f, 0.0f);
 
         Rig.Init();
         Mono.Init();
         Arts.Init();
 
+        VCam.Init();
+
         // Core application loop
         SK.Run(() =>
         {
@@ -42,20 +46,62 @@ class Program
             Mono.Frame();
 
             // stepper
-            if (Time.Total > 3.0)
-            {
-                Mono.step_time += Time.Step;
-                Mono.step_t = Maths.min(Mono.step_time, Mono.step_step) / Mono.step_step;
-            }
-            if (Mono.step_time > Mono.step_step)
-            {
-                Mono.step_time -= Mono.step_step;
+            // if (Time.Total > 3.0) return; // buffer app loading [!] relace with user prompt to start (spawn box in hand or something)
 
-                Mono.Step();
-                Arts.Step();
+            if (!Mono.menu)
+            {
+                Mono.game_time += Time.Step;
+                if (Mono.intro)
+                {
+                    Mono.step_time = Maths.min(Mono.step_time + Time.Step, Mono.step_step);
+                    Mono.step_t = Maths.u_clamp(Maths.min(Mono.step_time, Mono.step_step) / Mono.step_step);
+                    if (Rig.btn_select.delta == +1)
+                    {
+                        Mono.step_time = 0.0;
+                        Mono.step_t = 0.0;
+
+                        Mono.Step();
+                        Arts.Step();
+
+                        if (Mono.grow_buffer > 0)
+                        {
+                            Mono.intro = false;
+                        }
+                    }
+
+                    if (Rig.btn_select.state)
+                    {
+                        Mono.intro_skip += Time.Step;
+                        if (Mono.intro_skip >= 1.0)
+                        {
+                            Mono.intro = false;
+                        }
+                    }
+
+                    if (Rig.btn_select.delta == -1)
+                    {
+                        Mono.intro_skip = 0.0;
+                    }
+                }
+                else
+                {
+                    Mono.step_time = Maths.min(Mono.step_time + Time.Step, Mono.step_step);
+                    Mono.step_t = Maths.u_clamp(Maths.min(Mono.step_time, Mono.step_step) / Mono.step_step);
+                    if (Mono.step_time >= Mono.step_step)
+                    {
+                        Mono.step_time -= Mono.step_step;
+                        Mono.step_t = 0.0;
+
+
+                        Mono.Step();
+                        Arts.Step();
+                    }
+                }
             }
 
             Arts.Frame();
+
+            VCam.Frame();
         });
     }
 }

src/Rig.cs

@@ -6,8 +6,9 @@ static class Rig
 {
     public static Pose head = Pose.Identity;
 
-    public static DeltaBool btn_trigger = new(false);
+    public static DeltaBool btn_select = new(false);
     public static DeltaBool btn_grip = new(false);
+    public static DeltaBool btn_back = new(false);
 
     public static Vec3 fullstick = Vec3.Up;
     public static Pose r_con_stick = Pose.Identity;
@@ -26,7 +27,8 @@ static class Rig
         // flatscreen dev controls
         if (Device.Name == "Simulator")
         {
-            btn_trigger.Step(Input.Key(Key.MouseLeft).IsActive());
+            btn_select.Step(Input.Key(Key.MouseLeft).IsActive());
+            btn_back.Step(Input.Key(Key.MouseRight).IsActive());
 
             if (Input.Key(Key.A).IsJustActive()) new_dir = new(-1, 0, 0);
             if (Input.Key(Key.S).IsJustActive()) new_dir = new(+1, 0, 0);
@@ -44,11 +46,11 @@ static class Rig
 
             bool con_tracked = r_con.trackedPos > TrackState.Lost;
             // bool hand_tracked = Input.HandSource(Handed.Right) > HandSource.None;
-            Input.HandVisible(Handed.Max, false); // hide hands
             if (con_tracked)
             {
-                btn_trigger.Step(r_con.trigger > 0.5f);
+                btn_select.Step(r_con.x1.IsActive() || r_con.trigger > 0.5f);
                 btn_grip.Step(r_con.grip > 0.5f);
+                btn_back.Step(r_con.x2.IsActive());
 
                 Vec2 stick = r_con.stick;
                 Quat stick_rot = Quat.FromAngles(stick.y * -90, 0, stick.x * +90);

src/VCam.cs

@@ -0,0 +1,42 @@
+using StereoKit;
+
+namespace snake;
+
+static class VCam
+{
+    // [!] clear directory before recording
+    // or better yet just overwrite and then delete anything that wasn't overwritten at the end
+    // [!] write documentation for making a video
+    // for example a kdenlive project file that is preconfigured for 60fps VP9 transparent webm etc
+
+    public static float t = 0.0f; // use this to stage loops *start by rotating 360 degrees
+    public static int frame_index = 0;
+    public static bool recording = false;
+    public static Pose pose = new(0, 0, 0);
+
+    public static void Init()
+    {
+
+    }
+
+    public static void Frame()
+    {
+        if (Input.Key(Key.N).IsJustActive())
+        {
+            recording = !recording;
+        }
+
+        pose.position = Input.Head.position;
+        pose.orientation = Input.Head.orientation;
+        if (recording)
+        {
+            frame_index++;
+            Renderer.Screenshot(
+                $"_frames/test_{frame_index:D4}.png",
+                pose,
+                1280,
+                720
+            );
+        }
+    }
+}