refactor and prep Mono for new game

Assets/backface.hlsl

@@ -1,6 +1,6 @@
 #include "stereokit.hlsli"
 
-//--name = dofdev/backbox
+//--name = dofdev/backface
 //--color:color = 1, 1, 1, 1
 
 float4       color;

src/Arts.cs

@@ -9,17 +9,12 @@ static class Arts
     static Dictionary<string, Mesh> meshes = new();
     static Material mat_mono = new Material("mono.hlsl");
     static Material mat_unlit = new Material("unlit.hlsl");
-    static Material mat_box = new Material("unlit.hlsl");
+    static Material mat_both = new Material("unlit.hlsl");
-    static Material mat_backbox = new Material("backbox.hlsl");
+    static Material mat_backface = new Material("backface.hlsl");
     static Material mat_justcolor = new Material("justcolor.hlsl");
 
-    public static Vec3 box_shake = new(0, 0, 0);
+    public static Vec3 shake = new(0, 0, 0);
-    static Quat food_ori = Quat.Identity;
+    // static Quat spin_ori = Quat.Identity;
-
-    static XYZi last_headpos = new(0, 0, 0);
-    static DeltaBool headmove = new(false);
-    static XYZi last_tailpos = new(0, 0, 0);
-    static DeltaBool tailmove = new(false);
 
     static TextStyle text_style;
 
@@ -39,12 +34,12 @@ static class Arts
             Color.White
         );
 
-        mat_backbox.FaceCull = Cull.Front;
+        mat_backface.FaceCull = Cull.Front;
-        mat_backbox.Transparency = Transparency.Add;
+        mat_backface.Transparency = Transparency.Add;
-        mat_backbox.DepthTest = DepthTest.LessOrEq;
+        mat_backface.DepthTest = DepthTest.LessOrEq;
-        mat_backbox.DepthWrite = false;
+        mat_backface.DepthWrite = false;
 
-        mat_box.Chain = mat_backbox;
+        mat_both.Chain = mat_backface;
     }
 
     public static void Frame()
@@ -57,224 +52,14 @@ static class Arts
             // background standin if no passthrough
         }
 
-        // fullstick
-        Mesh.Sphere.Draw(
-            mat_unlit,
-            Matrix.TS(
-                Rig.r_con_stick.position,
-                5 * U.mm
-            ),
-            Color.White
-        );
-        Lines.Add(
-            Rig.r_con_stick.position + V.XYZ(0, 0, 0),
-            Rig.r_con_stick.position + Rig.fullstick * 1.5f * U.cm,
-            Color.White,
-            2 * U.mm
-        );
-
-        // box
-        box_shake = Vec3.Lerp(box_shake, Vec3.Zero, Time.Stepf / 0.333f);
-        // 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);
-        Vec3 box_pos = Mono.box_pose.position + (box_shake * U.cm * 0.333f);
-        Matrix box_m4 = Matrix.TRS(
-            box_pos,
-            Mono.box_pose.orientation,
-            box_scale
-        );
-
-        // hanger
-        if (Mono.in_cone.state && Mono.box_mode == Mono.BoxMode.Hold || Mono.box_mode == Mono.BoxMode.Mount)
-        {
-            float box_head_dist = Vec3.Distance(box_pos, Rig.head.position);
-            Lines.Add(
-                box_m4 * V.XYZ(0, Mono.SD_Y - 0.5f, 0),
-                Rig.head.position + Rig.head.orientation * V.XYZ(0, 6 * U.cm, -box_head_dist),
-                Color.Hex(0x808080FF).ToLinear(),
-                1.0f * U.mm
-            );
-            Lines.Add(
-                Rig.head.position + Rig.head.orientation * V.XYZ(0, 6 * U.cm, -box_head_dist),
-                Rig.head.position + Rig.head.orientation * V.XYZ(0, 6 * U.cm, 0),
-                Color.Hex(0x808080FF).ToLinear(),
-                1.0f * U.mm
-            );
-        }
-
-        // box contents
-        Hierarchy.Push(box_m4);
-        // meshes["InsideOut"].Draw(mat_unlit, Matrix.Identity);
-        meshes["InsideOut"].Draw(
-            mat_box,
-            Matrix.Identity
-        );
-        meshes["Corrugation"].Draw(
-            Mono.in_dist.state ? mat_justcolor : mat_unlit,
-            Matrix.Identity
-        );
-        if (Mono.menu)
-        {
-            meshes["Tape"].Draw(mat_mono, Matrix.Identity);
-            meshes["uiRestart"].Draw(
-                mat_unlit,
-                Matrix.TR(
-                    V.XYZ(-1.333f, 0, Mono.SD_Z - 0.5f + 0.1f),
-                    Quat.FromAngles(90, 0, 0)
-                ),
-                Color.Hex(0x928CA7FF).ToLinear()
-            );
-            meshes["uiPlay"].Draw(
-                mat_unlit,
-                Matrix.TR(
-                    V.XYZ(0, 0, Mono.SD_Z - 0.5f + 0.1f),
-                    Quat.FromAngles(90, 0, 0)
-                ),
-                Color.Hex(0x333333FF).ToLinear()
-            );
-            meshes["uiConfig"].Draw(
-                mat_unlit,
-                Matrix.TR(
-                    V.XYZ(+1.333f, 0, Mono.SD_Z - 0.5f + 0.1f),
-                    Quat.FromAngles(90, 0, 0)
-                ),
-                Color.Hex(0x928CA7FF).ToLinear()
-            );
-            meshes["uiCursor"].Draw(
-                mat_unlit,
-                Matrix.TR(
-                    V.XYZ(0, 0, Mono.SD_Z - 0.5f + 0.2f),
-                    Quat.FromAngles(90, 0, 0)
-                )
-            );
-        }
-
-        // slash
-        float slash_t = headmove.state ? Maths.u_clamp(Maths.smooth_stop((float)Mono.step_t) * 3.0f) : 1.0f;
-        if (!Mono.menu && !Mono.food_next.state)
-        {
-            meshes["Tongue"].Draw(
-                mat_mono,
-                Matrix.TRS(
-                    Mono.slash[0].ToVec3,
-                    Quat.LookDir(Rig.fullstick),
-                    V.XYZ(1, 1, 0.666f + Maths.smooth_stop((float)Mono.step_t) * 0.333f)
-                )
-            );
-        }
-
-        string face = "Face0Default";
-        face = Mono.grow_buffer > 0 ? "Face2Eaten" : face;
-        face = Mono.in_box.delta != 0 ? "Face3Bump" : face;
-        face = Mono.food_next.state ? "Face1Eat" : face;
-        meshes[face].Draw(
-            mat_mono,
-            Matrix.TRS(
-                Mono.slash[0].ToVec3 - (Mono.slash_dir.ToVec3 * (float)(1.0 - slash_t) * 0.3f),
-                Quat.LookDir(Mono.slash_dir.ToVec3),
-                V.XYZ(1, 1, (float)(slash_t))
-            )
-        );
-
-        for (int i = 1; i < Mono.slash_len; i++)
-        {
-            float scale = 1.0f;
-            if ((int)((Time.Total - Mono.eat_timestamp) * Mono.slash_len / Mono.step_step) == i)
-            {
-                scale = 1.1f;
-            }
-            meshes["Segment"].Draw(
-                mat_mono,
-                Matrix.TRS(
-                    Mono.slash[i].ToVec3,
-                    Quat.LookAt(Mono.slash[i].ToVec3, Mono.slash[i - 1].ToVec3),
-                    scale
-                )
-            );
-        }
-        // false tail
-        if (tailmove.state && slash_t < 1.0f)
-        {
-            int i_tail = Maths.min(Mono.slash_len, Mono.slash.Length - 1);
-            Vec3 tail_dir = Vec3.Direction(Mono.slash[i_tail - 1].ToVec3, Mono.slash[i_tail].ToVec3);
-            meshes["Segment"].Draw(
-                mat_mono,
-                Matrix.TRS(
-                    Mono.slash[i_tail].ToVec3 + (tail_dir * (float)(slash_t) * 0.7f),
-                    Quat.LookDir(tail_dir),
-                    V.XYZ(1, 1, (float)(1.0 - slash_t))
-                )
-            );
-        }
-
-        // holes
-        foreach (KeyValuePair<XYZi, XYZi> hole in Mono.holes)
-        {
-            Vec3 hole_normal = V.XYZ(
-                Maths.abs(hole.Value.x) * Maths.sign(hole.Key.x),
-                Maths.abs(hole.Value.y) * Maths.sign(hole.Key.y),
-                Maths.abs(hole.Value.z) * Maths.sign(hole.Key.z)
-            );
-            // Vec3 hole_world_normal = Mono.box_pose.orientation * hole_normal;
-            // Vec3 hole_world = Mono.box_pose.ToMatrix(Mono.box_scale) * V.XYZ(
-            //     hole.Key.x - hole.Value.x * 0.5f,
-            //     hole.Key.y - hole.Value.y * 0.5f,
-            //     hole.Key.z - hole.Value.z * 0.5f
-            // );
-            // Vec3 cam_dir = (Rig.head.orientation * Vec3.Forward);
-            // Vec3 hole_view_dir = Vec3.Direction(hole_world, Rig.head.position);
-            // bool back_hole = Vec3.Dot(hole_world_normal, hole_view_dir) < 0.0;
-            bool hole_flip = Vec3.Dot(hole_normal, hole.Value.ToVec3) < 0.0;
-
-            meshes[hole_flip ? "Hole" : "HoleFlip"].Draw(
-                mat_box,
-                Matrix.TRS(
-                    hole.Key.ToVec3,
-                    Quat.LookDir(hole.Value.ToVec3),
-                    1
-                )
-            );
-        }
-
-        // food
-        if (!Mono.food_next.state)
-        {
-            food_ori *= Quat.FromAngles(
-                90 * Time.Stepf,
-                30 * Time.Stepf,
-                10 * Time.Stepf
-            );
-        }
-
-        if (Mono.eaten == 0)
-        {
-            // starting egg
-            bool in_slash = Mono.s_array[new XYZi(0, 0, 0)] > -1;
-            meshes["Egg"].Draw(
-                mat_mono,
-                Matrix.TRS(
-                    Vec3.Zero,
-                    in_slash ? Quat.Identity : food_ori,
-                    in_slash ? 1 : 0.5f
-                )
-            );
-        }
-        else
-        {
-            // food
-            if (!Mono.eaten_latch.state)
-            {
-                float food_t = Mono.eaten_latch.delta == -1 ? Maths.smooth_stop((float)Mono.step_t) : 1;
         meshes["Food"].Draw(
             mat_mono,
             Matrix.TRS(
-                        Mono.food.ToVec3,
+                Vec3.Zero,
-                        food_ori,
+                Quat.Identity,
-                        food_t
+                1.0f
             )
         );
-            }
-        }
 
         // particles
         Particle[] particles = VFX.particles;
@@ -291,17 +76,18 @@ static class Arts
             );
         }
 
+        // menu
+        Matrix m4_menu = Mono.menu_pose.ToMatrix(Mono.menu_scale);
+        Hierarchy.Push(m4_menu);
+
         // score
-        char[] score_txt = Mono.slash_len.ToString("000").ToCharArray();
+        char[] score_txt = Mono.score.ToString("000").ToCharArray();
-        Quat score_ori = Quat.LookDir(Rig.head.position - Mono.box_pose.position);
-        Vec3 score_pos = score_ori * V.XYZ(0, -Mono.SD_Y - 1.5f, -Mono.SD_Z - 1);
         for (int i = 0; i < score_txt.Length; i++)
         {
             Text.Add(
                 score_txt[i].ToString(),
-                Matrix.TRS(
+                Matrix.TS(
-                    score_pos + score_ori * V.XYZ((1 - i) * 0.4f, 0, 0),
+                    V.XYZ(0, 0, 0),
-                    score_ori,
                     48
                 ),
                 text_style
@@ -309,34 +95,5 @@ static class Arts
         }
 
         Hierarchy.Pop();
-
-        // for (int sx = -Mono.head_fill.Xslen; Mono.head_fill.InX(sx); sx++)
-        // {
-        //     for (int sy = -Mono.head_fill.Yslen; Mono.head_fill.InY(sy); sy++)
-        //     {
-        //         for (int sz = -Mono.head_fill.Zslen; Mono.head_fill.InZ(sz); sz++)
-        //         {
-        //             Vec3 pos = Mono.box_pose.ToMatrix(U.cm) * V.XYZ(sx, sy, sz);
-        //             Text.Add(
-        //                 (Mono.head_fill[new XYZi(sx, sy, sz)] + Mono.tail_fill[new XYZi(sx, sy, sz)]).ToString(),
-        //                 Matrix.TRS(
-        //                     pos,
-        //                     Quat.LookAt(pos, Input.Head.position),
-        //                     0.1f
-        //                 )
-        //             );
-        //         }
-        //     }
-        // }
-    }
-
-    public static void Step()
-    {
-        XYZi slash_head = Mono.slash[0];
-        XYZi slash_tail = Mono.slash[Mono.slash_len - 1];
-        headmove.Step(slash_head != last_headpos);
-        tailmove.Step(slash_tail != last_tailpos);
-        last_headpos = slash_head;
-        last_tailpos = slash_tail;
     }
 }

src/Maths.cs

@@ -45,6 +45,53 @@ public static class Maths
     }
 
     public static float lerp(float a, float b, float t) => a + (b - a) * t;
+
+    // directions for moving in the grid
+    public static readonly XYZi[] directions = new XYZi[]
+    {
+        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
+    };
+    public static readonly XYZi[] corners = new XYZi[]
+    {
+        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)
+    };
+
+    public static XYZi InsetCell(XYZi cell)
+    {
+        // [!] don't inset past 0
+        return new(
+            cell.x - Maths.sign(cell.x),
+            cell.y - Maths.sign(cell.y),
+            cell.z - Maths.sign(cell.z)
+        );
+    }
+
+    public static int[] GetShuffledIndices<T>(T[] array)
+    {
+        int[] indices = new int[array.Length];
+        for (int i = 0; i < array.Length; i++)
+        {
+            indices[i] = i;
+        }
+        for (int i = indices.Length - 1; i > 0; i--)
+        {
+            int j = System.Random.Shared.Next(i + 1);
+            (indices[j], indices[i]) = (indices[i], indices[j]);
+        }
+        return indices;
+    }
 }
 
 public class DeltaBool
@@ -101,6 +148,8 @@ public struct XYZi
     public override int GetHashCode()
         => HashCode.Combine(x, y, z);
 
+    public static readonly XYZi Zero = new XYZi(0, 0, 0);
+
     public StereoKit.Vec3 ToVec3
         => StereoKit.V.XYZ(x, y, z);
 

src/Mono.cs

@@ -5,83 +5,47 @@ namespace slash;
 
 static class Mono
 {
-    public static double game_time = 0.0;
+    public static double game_time;
-    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 int score;
-    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 DeltaBool menu;
-    public static float box_dist = 32 * U.cm;
+    public static Pose menu_pose;
-    public static float box_scale = 1.333f * U.cm;
+    public static float menu_scale;
-    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),
-        s_array = new(SD_X, SD_Y, SD_Z, -1),
-        tail_fill = new(SD_X, SD_Y, SD_Z, -1);
 
-    static void update_s_array()
+    public enum Mode
-    {
-        s_array.Clear(-1);
-        for (int i = 0; i < slash_len; i++)
-        {
-            s_array[slash[i]] = i;
-        }
-    }
-
-    public static XYZi[] slash = new XYZi[
-        Maths.u_length(SD_X) * Maths.u_length(SD_Y) * Maths.u_length(SD_Z)
-    ];
-    public static int slash_len = 1;
-    public static int grow_buffer = 3;
-    public static XYZi slash_dir = new(0, 0, 1);
-    public static DeltaBool in_box = new(true);
-    public static Dictionary<XYZi, XYZi> holes = new();
-    public static XYZi food = new(0, 0, 0); // [!] start random to keep new game fresh?
-    public static int eaten = 0;
-    public static DeltaBool eaten_latch = new(false);
-    public static DeltaBool food_next = new(false);
-    public static double eat_timestamp = 0.0;
-
-    public enum BoxMode
     {
         Float = -1,
         Hold = 0,
         Mount = 1,
     }
-    // start mounted & in_cone
+    public static Mode mode;
-    public static BoxMode box_mode = BoxMode.Mount;
-    public static DeltaBool in_cone = new(true);
-    public static DeltaBool in_dist = new(false);
 
     public static void Init()
     {
-        for (int i = 0; i < slash.Length; i++)
+        game_time = 0.0;
-        {
+        menu = new(true);
-            slash[i] = new XYZi(0, 0, 0);
+        menu_pose = new(0, 0, 0);
-        }
+        menu_scale = 1 * U.cm;
-        update_s_array();
+        mode = Mode.Mount;
     }
 
     public static void Frame()
     {
         if (Rig.btn_back.delta == +1)
         {
-            menu = !menu;
+            menu.Step(!menu.state);
-            SFX.click.PlayBox(new XYZi(0, 0, Mono.SD_Z + 1));
+            SFX.click.PlayMenu();
         }
 
-        if (menu)
+        if (menu.state)
         {
             // just one btn(resume) in menu rn
             if (Rig.btn_select.delta == +1)
             {
                 Rig.btn_select.delta = 0; // [!] hacky capture
-                menu = false;
+                menu.Step(false);
-                SFX.click.PlayBox(new XYZi(0, 0, Mono.SD_Z + 1));
+                SFX.click.PlayMenu();
             }
         }
 
@@ -95,260 +59,33 @@ static class Mono
                     Quat.FromAngles(0, -sx * 180.0f * Time.Stepf, 0)
                 );
                 // orbital_view
-                box_pose.position = Input.Head.position + Input.Head.orientation * V.XYZ(0, -0 * U.cm, -10 * U.cm);
+                // box_pose.position = Input.Head.position + Input.Head.orientation * V.XYZ(0, -0 * U.cm, -10 * U.cm);
             }
         }
         else
         {
-            in_dist.Step(Vec3.Distance(Rig.r_con_stick.position, box_pose.position) < 6 * U.cm);
+            // in_dist.Step(Vec3.Distance(Rig.r_con_stick.position, box_pose.position) < 6 * U.cm);
-            bool pickup = in_dist.state && Rig.btn_grip.delta == +1;
+            // bool pickup = in_dist.state && Rig.btn_grip.delta == +1;
-            in_cone.Step(Vec3.AngleBetween(
+            // in_cone.Step(Vec3.AngleBetween(
-                Rig.head.orientation * Vec3.Forward,
+            //     Rig.head.orientation * Vec3.Forward,
-                Vec3.Direction(box_pose.position, Rig.head.position)
+            //     Vec3.Direction(box_pose.position, Rig.head.position)
-            ) < 15.0f);
+            // ) < 15.0f);
-            switch (box_mode)
+            // switch (mode)
-            {
-                case BoxMode.Float:
-                    if (pickup) { box_mode = BoxMode.Hold; }
-                    break;
-                case BoxMode.Hold:
-                    box_pose.position = Rig.r_con_stick.position;
-                    box_dist = Vec3.Distance(box_pose.position, Rig.head.position);
-                    if (Rig.btn_grip.delta == -1) { box_mode = in_cone.state ? BoxMode.Mount : BoxMode.Float; }
-                    break;
-                case BoxMode.Mount:
-                    // orbital_view
-                    box_pose.position = Rig.head.position + Rig.head.orientation * V.XYZ(0, -(SD_Y + 0.5f) * box_scale, -box_dist);
-                    if (pickup) { box_mode = BoxMode.Hold; }
-                    break;
-            }
-        }
-
-        XYZi next_pos = slash[0] + Rig.new_dir;
-        bool neck_break = next_pos == slash[1];
-        if (!neck_break && !food_next.state)
-        {
-            slash_dir = Rig.new_dir;
-        }
-
-        food_next.Step(!Mono.eaten_latch.state && (Mono.slash[0] + Mono.slash_dir) == Mono.food);
-        if (food_next.delta == +1)
-        {
-            SFX.maw.PlayBox(Mono.slash[0]);
-        }
-    }
-
-    public static void Step()
-    {
-        // eat tail
-        if (slash[0] + slash_dir == slash[slash_len - 1])
-        {
-            slash_len--;
-            grow_buffer = 0;
-        }
-        else if (s_array[slash[0] + slash_dir] > -1)
-        {
-            // lose condition
-            bool stuck = true;
-            for (int i = 0; i < directions.Length; i++)
-            {
-                if (s_array[slash[0] + directions[i]] == -1)
-                {
-                    stuck = false;
-                }
-            }
-            if (stuck)
-            {
-                Log.Info("your stuck");
-            }
-            return;
-        }
-
-        bool in_or_around_box = s_array.InRange(slash[0] + slash_dir);
-        if (!in_or_around_box)
-        {
-            return;
-        }
-
-        if (eaten_latch.delta != +1)
-        {
-            if (slash_len == slash.Length)
-            {
-                // win condition
-                Log.Info("full slash");
-                return;
-            }
-            else
-            {
-                if (grow_buffer > 0)
-                {
-                    slash_len++;
-                    grow_buffer--;
-                }
-            }
-
-            // slither
-            for (int i = slash.Length - 1; i > 0; i--)
-            {
-                slash[i] = slash[i - 1];
-            }
-            slash[0] += slash_dir;
-        }
-
-        in_box.Step(box_space.InRange(slash[0]));
-        if (in_box.delta != 0) // 1 just in -1 just out
-        {
-            holes.Add(slash[0], slash_dir);
-            SFX.punch_through.PlayBox(slash[0]);
-            Arts.box_shake += slash_dir.ToVec3;
-        }
-        if (holes.ContainsKey(slash[slash_len - 1]))
-        {
-            holes.Remove(slash[slash_len - 1]);
-        }
-
-        update_s_array();
-
-        // eat
-        if (!eaten_latch.state)
-        {
-            eaten_latch.Step(food == slash[0]);
-            if (eaten_latch.delta == +1)
-            {
-                eat_timestamp = Time.Total;
-                grow_buffer += 3;
-                eaten++;
-
-                VFX.Play(slash[0]);
-                SFX.crisp_nom.PlayBox(slash[0]);
-            }
-        }
-        else
-        {
-            (bool viable, XYZi cell) = Feed();
-            eaten_latch.Step(!viable);
-            if (eaten_latch.delta == -1)
-            {
-                food = cell;
-            }
-        }
-    }
-
-    static (bool, XYZi) Feed()
-    {
-        // [!] handle out of the box exception on tail
-        // by making the spatial arrays encapsulate the layer outside of the box
-        tail_fill.Clear(-1);
-        Gas(tail_fill, slash[slash_len - 1]);
-
-        // 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 = slash[0];
-        for (int step = 0; step < 5; step++)
-        {
-            viable_step = false;
-            int min_dist = 100;
-            XYZi min_cell = new();
-            int[] dir_indices = GetShuffledIndices(directions);
-            for (int i = 0; i < directions.Length; i++)
-            {
-                XYZi dir = directions[dir_indices[i]];
-                XYZi dir_cell = cell + dir;
-                int tail_dist = tail_fill[dir_cell];
-                if (tail_dist > 1 && tail_dist < min_dist && box_space.InRange(dir_cell))
-                {
-                    min_dist = tail_dist;
-                    min_cell = dir_cell;
-                    viable = true;
-                    viable_step = true;
-                }
-            }
-            if (viable_step)
-            {
-                tail_fill[min_cell] = -1; // prevent backtracking
-                cell = min_cell;
-            }
-            // if (min_dist <= 1)
             // {
+            //     case Mode.Float:
+            //         if (pickup) { mode = Mode.Hold; }
+            //         break;
+            //     case Mode.Hold:
+            //         box_pose.position = Rig.r_con_stick.position;
+            //         box_dist = Vec3.Distance(box_pose.position, Rig.head.position);
+            //         if (Rig.btn_grip.delta == -1) { mode = in_cone.state ? Mode.Mount : Mode.Float; }
+            //         break;
+            //     case Mode.Mount:
+            //         // orbital_view
+            //         box_pose.position = Rig.head.position + Rig.head.orientation * V.XYZ(0, -(SD_Y + 0.5f) * box_scale, -box_dist);
+            //         if (pickup) { mode = Mode.Hold; }
             //         break;
             // }
         }
-
-        return (viable, cell);
-    }
-
-    // space fill algorithm
-    static void Gas(SpatialArray<int> fill_array, XYZi sv)
-    {
-        Queue<XYZi> queue = new Queue<XYZi>();
-        queue.Enqueue(sv);
-        fill_array[sv] = 0;
-
-        while (queue.Count > 0)
-        {
-            XYZi _sv = queue.Dequeue();
-            int currentDistance = fill_array[_sv];
-
-            // check all 6 directions
-            foreach (XYZi dir in directions)
-            {
-                XYZi newV = _sv + dir;
-
-                if (fill_array.InRange(newV) && fill_array[newV] == -1 && s_array[newV] == -1)
-                {
-                    fill_array[newV] = currentDistance + 1;
-                    queue.Enqueue(newV);
-                }
-            }
-        }
-    }
-
-    static int[] GetShuffledIndices<T>(T[] array)
-    {
-        int[] indices = new int[array.Length];
-        for (int i = 0; i < array.Length; i++)
-        {
-            indices[i] = i;
-        }
-        for (int i = indices.Length - 1; i > 0; i--)
-        {
-            int j = System.Random.Shared.Next(i + 1);
-            (indices[j], indices[i]) = (indices[i], indices[j]);
-        }
-        return indices;
-    }
-
-    // directions for moving in the grid
-    static readonly XYZi[] directions = new XYZi[]
-    {
-        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(-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)
-    {
-        // [!] don't inset past 0
-        return new(
-            cell.x - Maths.sign(cell.x),
-            cell.y - Maths.sign(cell.y),
-            cell.z - Maths.sign(cell.z)
-        );
     }
 }

src/Program.cs

@@ -49,55 +49,9 @@ class Program
             // stepper
             // if (Time.Total > 3.0) return; // buffer app loading [!] relace with user prompt to start (spawn box in hand or something)
 
-            if (!Mono.menu)
+            if (!Mono.menu.state)
             {
                 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.eaten > 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();
-                    }
-                }
 
                 VFX.Frame();
             }

src/SFX.cs

@@ -4,9 +4,9 @@ namespace slash;
 
 static class SFX
 {
-    public static void PlayBox(this Sound sound, XYZi pos)
+    public static void PlayMenu(this Sound sound)
     {
-        sound.Play(Mono.box_pose.ToMatrix(Mono.box_scale) * pos.ToVec3);
+        sound.Play(Mono.menu_pose.ToMatrix(Mono.menu_scale) * Vec3.Zero);
     }
 
     public static Sound click = Sound.FromFile("sfx/click.mp3");

src/VFX.cs

@@ -39,9 +39,9 @@ static class VFX
                 particle.pos += particle.vel * Time.Stepf;
                 float scl_rad = particle.scl * 0.5f * 0.333f;
                 Vec3 next_pos = V.XYZ(
-                    Maths.s_clamp(particle.pos.x, Mono.SD_X - 0.5f - scl_rad),
+                    Maths.s_clamp(particle.pos.x, 1 - 0.5f - scl_rad),
-                    Maths.s_clamp(particle.pos.y, Mono.SD_Y - 0.5f - scl_rad),
+                    Maths.s_clamp(particle.pos.y, 1 - 0.5f - scl_rad),
-                    Maths.s_clamp(particle.pos.z, Mono.SD_Z - 0.5f - scl_rad)
+                    Maths.s_clamp(particle.pos.z, 1 - 0.5f - scl_rad)
                 );
                 if (next_pos.x != particle.pos.x || next_pos.y != particle.pos.y || next_pos.z != particle.pos.z)
                 {