backrooms, oriel refactor, bad scaling

add/shaders/room.hlsl

@@ -83,6 +83,7 @@ float4 ps(psIn input) : SV_TARGET {
   float3 ro = input.campos;
   float3 rd = normalize(input.world - ro);
   float ol = raymarch(ro, rd);
+
   clip(-(100 - (ol + 1)));
   // if ((100 - (ol + 1)) > 0) {
   //   col *= 0.1;

app/Greenyard/Mono.cs

@@ -2,50 +2,118 @@ using Oriels;
 
 namespace Greenyard;
 public class Mono {
-  Model greenyardModel = Model.FromFile("greenyard.glb");
-  Mesh[] greenyard;
-  Material greenyardMat = new Material(Shader.FromFile("/shaders/oriel.hlsl"));
+  // Model greenyardModel = Model.FromFile("greenyard.glb");
+  // Mesh[] greenyard;
+  // Material greenyardMat = new Material(Shader.FromFile("/shaders/oriel.hlsl"));
 
-  Vec3 offset = new Vec3(0, 0, 0);
+  Vec3 offset = new Vec3(2, 0, -2);
+
+  Thing[] thing;
+  Model model = Model.FromFile("/backrooms/backrooms.glb");
 
   public Mono() {
     
   }
 
   public void Init() {
-    greenyard = new Mesh[12];
-    for (int i = 0; i < greenyard.Length; i++) {
-      greenyard[i] = greenyardModel.GetMesh("Object_" + (i + 2));
-    }
-    greenyardMat.SetMat(101, Cull.None, true);
-    greenyardMat.SetTexture("diffuse", Tex.FromFile("greenyard.jpeg"));
+    // greenyard = new Mesh[12];
+    // for (int i = 0; i < greenyard.Length; i++) {
+    //   greenyard[i] = greenyardModel.GetMesh("Object_" + (i + 2));
+    // }
+    // greenyardMat.SetMat(101, Cull.None, true);
+    // greenyardMat.SetTexture("diffuse", Tex.FromFile("greenyard.jpeg"));
+
+    thing = new Thing[] {
+      new Thing(
+        model.GetMesh("Carpet"), 
+        new Material(Shader.FromFile("/shaders/oriel.hlsl")),
+        "backrooms/Carpet.png"
+      ),
+      new Thing(
+        model.GetMesh("Walls"), 
+        new Material(Shader.FromFile("/shaders/oriel.hlsl")),
+        "backrooms/Walls.png"
+      ),
+      new Thing(
+        model.GetMesh("Ceiling"),
+        new Material(Shader.FromFile("/shaders/oriel.hlsl")),
+        "backrooms/Ceiling.png"
+      ),
+      new Thing(
+        model.GetMesh("Vents"),
+        new Material(Shader.FromFile("/shaders/oriel.hlsl")),
+        "backrooms/Vents.png"
+      ),
+      new Thing(
+        model.GetMesh("Lights"),
+        new Material(Shader.FromFile("/shaders/oriel.hlsl")),
+        "backrooms/Lights.png"
+      ),
+    };
   }
 
   public void Frame() {
     Oriels.Rig rig = Oriels.Mono.inst.rig;
     Oriels.Oriel oriel = Oriels.Mono.inst.oriel;
 
+    // Oriel
+    float scale = oriel.scale * oriel.multiplier;
+    if (oriel.scaleHeight) {
+      scale *= oriel.bounds.dimensions.y;
+    }
+
     Matrix simMatrix = Matrix.TRS(
       new Vec3(0, -oriel.bounds.dimensions.y / 2.01f, 0), 
       Quat.Identity,
-      Vec3.One * 0.1f * oriel.bounds.dimensions.y
+      Vec3.One * scale
     );
 
     // Render
-    greenyardMat.SetVector("_center", oriel.bounds.center);
-    greenyardMat.SetVector("_dimensions", oriel.bounds.dimensions);
-    greenyardMat.SetVector("_light", oriel.ori * new Vec3(0.6f, -0.9f, 0.3f));
-    greenyardMat.SetFloat("_lit", 0);
-    greenyardMat["_matrix"] = (Matrix)System.Numerics.Matrix4x4.Transpose(oriel.matrix);
-    for (int i = 0; i < greenyard.Length; i++) {
-      greenyard[i].Draw(greenyardMat,
+    // greenyardMat.SetVector("_center", oriel.bounds.center);
+    // greenyardMat.SetVector("_dimensions", oriel.bounds.dimensions);
+    // greenyardMat.SetVector("_light", oriel.ori * new Vec3(0.6f, -0.9f, 0.3f));
+    // greenyardMat.SetFloat("_lit", 0);
+    // greenyardMat["_matrix"] = (Matrix)System.Numerics.Matrix4x4.Transpose(oriel.matrixInv);
+    // for (int i = 0; i < greenyard.Length; i++) {
+    //   greenyard[i].Draw(greenyardMat,
+    //     Matrix.TRS(
+    //       offset,
+    //       Quat.Identity,
+    //       new Vec3(1f, 1f, 1f)
+    //     ) * simMatrix * oriel.matrix,
+    //     Color.White
+    //   );
+    // }
+
+    for (int i = 0; i < thing.Length; i++) {
+      Thing t = thing[i];
+      t.mat.SetVector("_center", oriel.bounds.center);
+      t.mat.SetVector("_dimensions", oriel.bounds.dimensions);
+      t.mat.SetVector("_light", oriel.ori * new Vec3(0.6f, -0.9f, 0.3f));
+      t.mat.SetFloat("_lit", 0);
+      t.mat["_matrix"] = (Matrix)System.Numerics.Matrix4x4.Transpose(oriel.matrixInv);
+      t.mesh.Draw(t.mat,
         Matrix.TRS(
           offset,
           Quat.Identity,
           new Vec3(1f, 1f, 1f)
-        ) * simMatrix * oriel.matrix.Inverse,
+        ) * simMatrix * oriel.matrix,
         Color.White
       );
     }
   }
+}
+
+[Serializable]
+public class Thing {
+  public Mesh mesh;
+  public Material mat;
+
+  public Thing(Mesh mesh, Material mat, string tex) {
+    this.mesh = mesh;
+    this.mat = mat;
+
+    mat.SetMat(101, Cull.None, true);
+    mat.SetTexture("diffuse", Tex.FromFile(tex));
+  }
 }

app/Mono.cs

@@ -46,6 +46,7 @@ public class Mono {
 
   // Space.Mono spaceMono = new Space.Mono();
   Greenyard.Mono greenyard = new Greenyard.Mono();
+  Board board = new Board();
 
 
   PullRequest.PID pid = new PullRequest.PID(8, 0.8f);
@@ -55,7 +56,6 @@ public class Mono {
   public void Step() {
 
     rig.Step();
-    scene.Step();
 
     // -------------------------------------------------
 
@@ -67,28 +67,154 @@ public class Mono {
 
     // colorCube.Palm(lCon.device);
 
-    oriel.Step();
+    oriel.Frame();
+
+    scene.Step(); // after! (render scene after oriel)
 
     // -------------------------------------------------
 
     // spaceMono.Frame();
     greenyard.Frame();
+    // board.Frame();
 
     // -------------------------------------------------
 
+    oriel.Render();
+
     net.me.Step();
     net.send = true;
 
     ShowWindowButton();
   }
 
-  Pose windowPoseButton = new Pose(0, 0, -1, Quat.Identity);
+  Pose windowPoseButton = new Pose(0, 0, -0.5f, Quat.Identity);
   void ShowWindowButton() {
     UI.WindowBegin("Window Button", ref windowPoseButton);
 
     if (UI.Button("Reset Oriel Quat")) { oriel.ori = Quat.Identity; }
     // if (UI.Button("Draw Oriel Axis")) { oriel.drawAxis = !oriel.drawAxis; }
+    if (UI.Button("Scale w/Height")) { oriel.scaleHeight = !oriel.scaleHeight; }
+    UI.HSlider("Scale", ref oriel.scale, 0.1f, 1f, 0.1f);
+    UI.HSlider("Multiplier", ref oriel.multiplier, 0.1f, 1f, 0.1f);
+
 
     UI.WindowEnd();
   }
 }
+
+
+
+[Serializable]
+public class Board {
+  // velocity button controls
+  // "center off mass" thrust vector steering
+
+  Mesh meshCube = Mesh.Cube;
+
+  public bool goofy = false;
+
+  public Vec3 front, back, pos, dir, vector;
+  public float vel;
+
+  float length = 1.5f;
+  public Board() {
+    front = new Vec3(0, 0, -1) * length / 2;
+    back = new Vec3(0, 0, 1) * length / 2;
+    dir = new Vec3(0, 0, -1);
+    vel = 0;
+  }
+
+  public void Frame() {
+    // tilt steer ("back wheel" turns *rudder)
+    // button velocity controls
+    Con con = goofy ? Mono.inst.rig.rCon : Mono.inst.rig.lCon;
+    float accel = con.device.trigger;
+    float deccel = con.device.grip;
+    float lean = Mono.inst.rig.LocalPos(Mono.inst.rig.Head.position).x;
+
+    // float length = 1.5f;
+    float drag = 0.1f;
+    float speed = 4f;
+    float brake = 12f;
+    float tight = 60f;
+
+
+    // velocity
+    vel *= 1f - (drag * Time.Elapsedf);
+    vel += accel * speed * Time.Elapsedf;
+    vel = MathF.Max(vel - deccel * brake * Time.Elapsedf, 0);
+   
+    // steering
+    vector = Quat.LookDir(dir) * Quat.FromAngles(0, lean * tight, 0) * Vec3.Forward;
+    back += vector * vel * Time.Elapsedf;
+    dir = (front - back).Normalized;
+
+    front = back + dir * length;
+    pos = Vec3.Lerp(front, back, 0.5f);
+
+
+    Mono.inst.rig.pos = pos;
+    Mono.inst.rig.ori = Quat.LookDir(dir);
+
+    // hover
+    // if (rig.lCon.gripBtn.held) {
+    //   rig.pos.y = pid.Update(rig.LocalPos(rig.Head.position).y);
+    // }
+
+
+    meshCube.Draw(Material.Default,
+      Matrix.TRS(
+        Mono.inst.rig.FloorCenter,
+        Quat.LookDir(dir),
+        new Vec3(0.05f, 0.2f, 0.2f)
+      )
+    );
+
+    // mini board in hand for debugging
+    // meshCube.Draw(Material.Default,
+    //   Matrix.TRS(
+    //     rig.rCon.pos,
+    //     board.ori,
+    //     new Vec3(0.4f, 0.1f, reach * 2) * 0.1f
+    //   )
+    // );
+    // // front wheel
+    // meshCube.Draw(Material.Default,
+    //   Matrix.TRS(
+    //     rig.rCon.pos + board.dir * reach * 0.1f,
+    //     Quat.LookDir(frontDir),
+    //     new Vec3(0.05f, 0.2f, 0.2f) * 0.1f
+    //   )
+    // );
+
+
+
+
+
+    // pillars to hover through
+    // spawn in front every 1m away from last
+    if (Vec3.Distance(pos, lastSpawnPos) > 1f) {
+      // odd or even
+      float chirality = pillarIndex % 2 == 0 ? 1f : -1f;
+      pillars[pillarIndex] = pos + Quat.LookDir(dir) * new Vec3(chirality * 8 * Mono.inst.noise.uvalue, 0, -24);
+
+      lastSpawnPos = pos;
+
+      pillarIndex++;
+      if (pillarIndex >= pillars.Length) { pillarIndex = 0; }
+    }
+
+    for (int i = 0; i < pillars.Length; i++) {
+      meshCube.Draw(Material.Default,
+        Matrix.TRS(
+          pillars[i],
+          Quat.Identity,
+          new Vec3(0.1f, 20f, 0.1f)
+        )
+      );
+    }
+  }
+  Vec3[] pillars = new Vec3[64];
+  int pillarIndex = 0;
+  Vec3 lastSpawnPos = Vec3.Zero;
+}

app/Oriel.cs

@@ -1,32 +1,29 @@
 namespace Oriels;
 
 public class Oriel {
+  Model model = Model.FromFile("oriel.glb");
+  Mesh meshCube, meshSphere;
+
+  Material matClear = new Material(Shader.Default);
+  
+  public Material matOriel = new Material(Shader.FromFile("shaders/oriel.hlsl"));
   Material matFrame = new Material(Shader.FromFile("shaders/frame.hlsl"));
   Material matPanes = new Material(Shader.FromFile("shaders/panes.hlsl"));
-  public Material matOriel = new Material(Shader.FromFile("shaders/oriel.hlsl"));
-  Model model = Model.FromFile("oriel.glb");
-  Mesh meshCube;
 
+  public Matrix matrix, matrixInv;
   public Bounds bounds;
-  public Quat ori;
-  public Matrix matrix;
-  public float crown = 0.0666f;
+  public Quat ori = Quat.Identity;
 
-  bool adjusting = false;
-  Quat qOffset = Quat.Identity;
-  Vec3 vOffset = Vec3.Zero;
-  Vec3 lOffset = Vec3.Zero;
-  Vec3 anchor = Vec3.Zero;
-  Matrix mOffset = Matrix.Identity;
+  // inner matrix
+  public bool scaleHeight = true;
+  public float scale = 0.1f;
+  public float multiplier = 1f;
 
   public Oriel() {
-    bounds = new Bounds(
-      new Vec3(-1.0f, -0.5f, 0.0f),
-      new Vec3(0.8f, 0.5f, 0.5f)
-    );
-
-    ori = Quat.Identity;
-    matrix = Matrix.TR(bounds.center, ori).Inverse;
+    // meshCube = model.GetMesh("oriel");
+    meshCube = Mesh.Cube;
+    meshSphere = Mesh.Sphere;
+    matClear.Transparency = Transparency.Add;
 
     matFrame.SetMat(102, Cull.Back, true);
     matFrame.Transparency = Transparency.Blend;
@@ -34,128 +31,214 @@ public class Oriel {
     matPanes.SetMat(100, Cull.Front, false);
     matOriel.SetMat(101, Cull.None, true);
 
-    meshCube = Mesh.Cube;
-    // meshCube = model.GetMesh("oriel");
+    bounds = new Bounds(
+      new Vec3(-1.0f, -0.5f, 0.5f),
+      new Vec3(0.8f, 0.5f, 0.5f)
+    );
+    matrix = Matrix.TR(bounds.center, ori);
+    matrixInv = matrix.Inverse;
+
+
+    cursor = bounds.center;
+    cornerRadius = cursorRadius / 2;
   }
 
+  public Vec3 cursor = Vec3.Zero;
+  public float cursorRadius = 0.1f;
+  public float cornerRadius;
+  
   Vec3 detect = Vec3.Zero;
   int detectCount = 0;
-  public void Step() {
-    matrix = Matrix.TR(bounds.center, ori).Inverse;
+  public Vec3 LocalAnchor { get { return detect * bounds.dimensions / 2; } }
+  public Vec3 Anchor { get { return matrix.Transform(LocalAnchor); } }
 
+  Quat qOffset = Quat.Identity;
+  Vec3 vOffset = Vec3.Zero;
+  Vec3 lOffset = Vec3.Zero;
+  Matrix mOffset = Matrix.Identity;
+  public void Frame() {
+    // input
     Rig rig = Mono.inst.rig;
     Glove rGlove = Mono.inst.rGlove;
-    Vec3 rGlovePos = rGlove.virtualGlove.position;
+    // cursor = rGlove.virtualGlove.position;
     Quat rGloveRot = rGlove.virtualGlove.orientation;
     // Vec3 lGlovePos = rig.lGlove.virtualGlove.position;
+    bool grab = !Input.Key(Key.Space).IsActive(); // !rig.rCon.triggerBtn.held
 
-    // face detection = (1 axis)
-    // edge detection = (2 axis)
-    // corner detection = (3 axis)
-    // Pose pose = new Pose();
-
-
-    Vec3 localPos = ori.Inverse * (rGlovePos - bounds.center);
-
-
-
-
-    if (!rig.rCon.triggerBtn.held) {
-      float margin = PullRequest.Lerp(0.03f, 0.5f, bounds.dimensions.y / 2);
-      Vec3 newDetect = Vec3.Zero;
-      if ((bounds.dimensions.x / 2) - MathF.Abs(localPos.x) < 0) newDetect.x = 1 * MathF.Sign(localPos.x);
-      if ((bounds.dimensions.y / 2) - MathF.Abs(localPos.y) < 0) newDetect.y = 1 * MathF.Sign(localPos.y);
-      if ((bounds.dimensions.z / 2) - MathF.Abs(localPos.z) < 0) newDetect.z = 1 * MathF.Sign(localPos.z);
-
-      if (newDetect.x != detect.x || newDetect.y != detect.y || newDetect.z != detect.z) {
-        detect = newDetect;
-        detectCount = (int)(MathF.Abs(detect.x) + MathF.Abs(detect.y) + MathF.Abs(detect.z));
-        // Console.WriteLine(detectCount + ": " + detect);
-      }
-
-      Vec3 dim = new Vec3(
-        bounds.dimensions.x + 0.1f,
-        bounds.dimensions.y + 0.1f,
-        bounds.dimensions.z + 0.1f
+    if (!Input.Key(Key.Shift).IsActive()) {
+      Vec3 input = new Vec3(
+        (Input.Key(Key.S).IsActive() ? 1 : 0) - (Input.Key(Key.A).IsActive() ? 1 : 0),
+        (Input.Key(Key.F).IsActive() ? 1 : 0) - (Input.Key(Key.Q).IsActive() ? 1 : 0),
+        (Input.Key(Key.R).IsActive() ? 1 : 0) - (Input.Key(Key.W).IsActive() ? 1 : 0)
       );
-      Bounds arounds = new Bounds(Vec3.Zero, dim);
-      if (!arounds.Contains(localPos) || bounds.Contains(bounds.center + localPos)) {
-        detect = Vec3.Zero;
-        detectCount = 0;
+      if (input.Length > 0) {
+        cursor += input.Normalized * Time.Elapsedf * 0.4f;
+      }
+    }
+
+    Vec3 localCursor = matrixInv.Transform(cursor);
+
+    // ori = Quat.FromAngles(0, MathF.Sin(Time.Totalf) * 90f, 0);
+
+
+    if (grab) {
+      // generate all the potential anchors
+      // pick the closest one
+      Vec3 v = Vec3.Zero;
+      float minDist = float.MaxValue;
+      for (int i = 0; i < anchors.Length; i++) {
+        Vec3 a = matrix.Transform(anchors[i] * bounds.dimensions / 2);
+        float dist = (a - cursor).Length;
+        if (dist < minDist) {
+          minDist = dist;
+          v = anchors[i];
+        }
       }
 
-      vOffset = rGlovePos - bounds.center;
+      detect = v; // rename this
+      detectCount = (int)(MathF.Abs(v.x) + MathF.Abs(v.y) + MathF.Abs(v.z));
+
+      vOffset = cursor - bounds.center;
       lOffset = ori.Inverse * vOffset;
       qOffset = (ori.Inverse * rGloveRot).Normalized;
       mOffset = matrix;
-      anchor = bounds.center + ori * -(detect * bounds.dimensions / 2);
-
-      adjusting = false;
-    } else {
-      if (detectCount == 1) { // Move
+    } 
+    else {
+      if (detectCount == 1) { // Move (face -> crown *face)
         ori = (rGloveRot * qOffset.Inverse).Normalized;
-        bounds.center = rGlovePos - ori * lOffset;
-      } else if (detectCount == 2) { // Rotate
-        localPos = mOffset.Transform(rGlovePos);
-        Vec3 dir = new Vec3(
-          detect.x == 0 ? 0 : localPos.x,
-          detect.y == 0 ? 0 : localPos.y,
-          detect.z == 0 ? 0 : localPos.z
-        );
+        bounds.center = cursor - ori * lOffset;
+      } 
+      else if (detectCount == 2) { // Rotate (edge -> edge)
+        // localPos = mOffset.Inverse.Transform(cursor);
+        // Vec3 dir = new Vec3(
+        //   detect.x == 0 ? 0 : localPos.x,
+        //   detect.y == 0 ? 0 : localPos.y,
+        //   detect.z == 0 ? 0 : localPos.z
+        // );
+        // Vec3 up = new Vec3(
+        //   detect.x == 0 ? 1 : 0,
+        //   detect.y == 0 ? 1 : 0,
+        //   detect.z == 0 ? 1 : 0
+        // );
 
-        Vec3 up = new Vec3(
-          detect.x == 0 ? 1 : 0,
-          detect.y == 0 ? 1 : 0,
-          detect.z == 0 ? 1 : 0
-        );
+        // Quat q = Quat.LookAt(Vec3.Zero, dir, up);
 
-        Quat q = Quat.LookAt(Vec3.Zero, dir, up);
+        // if (!adjusting) {
+        //   qOffset = (q.Inverse * ori).Normalized;
+        //   adjusting = true;
+        // } else {
+        //   ori = (q * qOffset).Normalized;
+        // }
+      } 
+      else if (detectCount == 3) { // Scale (corner -> corner)
+        Vec3 zAnchor = Anchor - ori * detect.JustZ() * cornerRadius;
+        float stab = MathF.Max(cursorRadius - Vec3.Distance(zAnchor, cursor), 0);
 
-        if (!adjusting) {
-          qOffset = (q.Inverse * ori).Normalized;
-          adjusting = true;
-        } else {
-          ori = (q * qOffset).Normalized;
+        if (stab > 0) {
+          float distZ = Math.Abs(-LocalAnchor.z - localCursor.z);
+          bounds.center.z = PullRequest.Lerp(matrix.Transform(-LocalAnchor).z, cursor.z, 0.5f);
+          bounds.dimensions.z = distZ;
         }
-      } else if (detectCount == 3) { // Scale
-        Vec3 localAnchor = matrix.Transform(anchor);
-        float distX = Math.Abs(localAnchor.x - localPos.x);
-        float distY = Math.Abs(localAnchor.y - localPos.y);
-        float distZ = Math.Abs(localAnchor.z - localPos.z);
-        bounds.dimensions = new Vec3(distX, distY, distZ);
-        bounds.center = Vec3.Lerp(anchor, rGlovePos, 0.5f);
       }
     }
 
+    matrix = Matrix.TR(bounds.center, ori);
+    matrixInv = matrix.Inverse;
+  }
 
-    matrix = Matrix.TR(bounds.center, ori).Inverse;
+  // design vars
+  public float crown = 0.16f;
 
-
-    // matFrame.Wireframe = true;
-    matFrame.DepthTest = DepthTest.Always;
-    matFrame.SetVector("_rGlovePos", rGlovePos);
-    matFrame.SetFloat("_time", Time.Totalf);
-    meshCube.Draw(matFrame,
-      Matrix.TRS(bounds.center, ori, bounds.dimensions),
-      new Color(0.1f, 0.1f, 0.1f)
-    );
-    if (detectCount > 0) {
-      meshCube.Draw(Material.Default,
-        Matrix.TS(detect * (bounds.dimensions / 2), Vec3.One * 0.01f) * matrix.Inverse
-      );
-    }
+  public void Render() {
+    // // matFrame.Wireframe = true;
+    // matFrame.DepthTest = DepthTest.Always;
+    // matFrame.SetVector("_cursor", cursor);
+    // matFrame.SetFloat("_time", Time.Totalf);
+    // meshCube.Draw(matFrame,
+    //   Matrix.TRS(bounds.center, ori, bounds.dimensions),
+    //   new Color(0.1f, 0.1f, 0.1f)
+    // );
 
     // matPanes.DepthTest = DepthTest.Greater;
-    matPanes["_matrix"] = (Matrix)System.Numerics.Matrix4x4.Transpose(matrix);
+    matPanes["_matrix"] = (Matrix)System.Numerics.Matrix4x4.Transpose(matrixInv);
     meshCube.Draw(matPanes,
       Matrix.TRS(bounds.center, ori, bounds.dimensions),
-      new Color(0.0f, 0.0f, 0.5f)
+      new Color(0f, 0f, 0f)
+      // new Color(78 / 256f, 142 / 256f, 191 / 256f)
     );
 
     matOriel.SetVector("_center", bounds.center);
     matOriel.SetVector("_dimensions", bounds.dimensions);
     matOriel.SetVector("_light", ori * new Vec3(0.6f, -0.9f, 0.3f));
     matOriel.SetFloat("_lit", 1);
-    matOriel["_matrix"] = (Matrix)System.Numerics.Matrix4x4.Transpose(matrix);
+    matOriel["_matrix"] = (Matrix)System.Numerics.Matrix4x4.Transpose(matrixInv);
+
+
+
+    // cursor
+    if (detectCount > 0) {
+      meshCube.Draw(Material.Default,
+        Matrix.TS(LocalAnchor, Vec3.One * 0.01f) * matrix
+      );
+
+      // draw the corner with 0.1f length lines
+      if (detectCount == 3) {
+        Color col = new Color(1f, 1f, 1f);
+        float thk = 0.005f;
+        Lines.Add(Anchor, Anchor - ori * detect.JustX() * cornerRadius, col, thk);
+        Lines.Add(Anchor, Anchor - ori * detect.JustY() * cornerRadius, col, thk);
+        Lines.Add(Anchor, Anchor - ori * detect.JustZ() * cornerRadius, col, thk);
+
+        // draw cube(s) on intersecting corner ends
+
+        // Lines.Add(
+        //   zAnchor, zAnchor + ori * detect.JustZ() * stab * 1.5f,
+        //   new Color(0, 0, 1), 0.01f
+        // );
+      }
+    }
+
+    meshCube.Draw(Material.Default,
+      Matrix.TRS(cursor, Quat.Identity, new Vec3(0.01f, 0.01f, 0.01f)),
+      new Color(1f, 1f, 1f)
+    );
+
+    meshSphere.Draw(matClear,
+      Matrix.TRS(cursor, Quat.Identity, new Vec3(1f, 1f, 1f) * cursorRadius * 2),
+      new Color(0.5f, 0.5f, 0.5f)
+    );
   }
+
+  // faces, edges, corners
+  Vec3[] anchors = new Vec3[] {
+    // faces
+    new Vec3(1, 0, 0),
+    new Vec3(-1, 0, 0),
+    new Vec3(0, 1, 0),
+    new Vec3(0, -1, 0),
+    new Vec3(0, 0, 1),
+    new Vec3(0, 0, -1),
+    // edges
+    new Vec3(1, 1, 0),
+    new Vec3(-1, 1, 0),
+    new Vec3(1, -1, 0),
+    new Vec3(-1, -1, 0),
+    new Vec3(1, 0, 1),
+    new Vec3(-1, 0, 1),
+    new Vec3(1, 0, -1),
+    new Vec3(-1, 0, -1),
+    new Vec3(0, 1, 1),
+    new Vec3(0, -1, 1),
+    new Vec3(0, 1, -1),
+    new Vec3(0, -1, -1),
+    // corners
+    new Vec3(1, 1, 1),
+    new Vec3(-1, 1, 1),
+    new Vec3(1, -1, 1),
+    new Vec3(-1, -1, 1),
+    new Vec3(1, 1, -1),
+    new Vec3(-1, 1, -1),
+    new Vec3(1, -1, -1),
+    new Vec3(-1, -1, -1)
+  };
 }

app/PullRequest.cs

@@ -46,6 +46,16 @@ public static class PullRequest {
     return (to - from).Normalized;
   }
 
+  // swizzle
+  public static Vec3 JustX(this Vec3 v) {
+    return new Vec3(v.x, 0, 0);
+  }
+  public static Vec3 JustY(this Vec3 v) {
+    return new Vec3(0, v.y, 0);
+  }
+  public static Vec3 JustZ(this Vec3 v) {
+    return new Vec3(0, 0, v.z);
+  }
 
   static Mesh meshCube = Default.MeshCube;
   static Material matCube = Default.Material;

app/Scene.cs

@@ -43,7 +43,7 @@ public class Scene {
 
   public void Step() {
     Oriel oriel = Mono.inst.oriel;
-    data.matrix = (Matrix)System.Numerics.Matrix4x4.Transpose(oriel.matrix);
+    data.matrix = (Matrix)System.Numerics.Matrix4x4.Transpose(oriel.matrixInv);
     data.dimensions = oriel.bounds.dimensions;
 
 

app/Space/Mono.cs

@@ -73,7 +73,7 @@ public class Mono {
     float stretch = Vec3.Distance(rig.lCon.pos, rig.rCon.pos);
     stretch = Math.Max(stretch - deadzone, 0);
     Vec3 cursor = rig.rCon.pos + rig.rCon.ori * Vec3.Forward * stretch * 3;
-    Vec3 localCursor = simMatrix.Inverse.Transform(oriel.matrix.Transform(cursor));
+    Vec3 localCursor = simMatrix.Inverse.Transform(oriel.matrixInv.Transform(cursor));
 
     localCursor = new Vec3(
       MathF.Sin(Time.Totalf * 2f) * 3f,
@@ -97,7 +97,7 @@ public class Mono {
     // RENDER
     for (int i = 0; i < nodes.Length; i++) {
       meshCube.Draw(oriel.matOriel,
-        Matrix.TRS(nodes[i].pos, Quat.Identity, Vec3.One * 1f) * simMatrix * oriel.matrix.Inverse,
+        Matrix.TRS(nodes[i].pos, Quat.Identity, Vec3.One * 1f) * simMatrix * oriel.matrix,
         Color.HSV(nodes[i].hue, 1f, 1f)
       );
     }
@@ -107,7 +107,7 @@ public class Mono {
       new Color(1f, 1f, 1f)
     );
     meshCube.Draw(oriel.matOriel,
-      Matrix.TRS(localCursor, Quat.Identity, Vec3.One * 0.02f) * simMatrix * oriel.matrix.Inverse,
+      Matrix.TRS(localCursor, Quat.Identity, Vec3.One * 0.02f) * simMatrix * oriel.matrix,
       new Color(0f, 0f, 0f)
     );
     meshCube.Draw(oriel.matOriel,
@@ -115,7 +115,7 @@ public class Mono {
         playerPos,
         Quat.LookDir((localCursor - playerPos).Normalized),
         new Vec3(0.4f, 0.2f, 0.4f)
-      ) * simMatrix * oriel.matrix.Inverse,
+      ) * simMatrix * oriel.matrix,
       new Color(1.0f, 0.0f, 0.05f)
     );
 
@@ -130,7 +130,7 @@ public class Mono {
     //     playerPos,
     //     Quat.Identity,
     //     new Vec3(10f, 10f, 10f)
-    //   ) * simMatrix * oriel.matrix.Inverse,
+    //   ) * simMatrix * oriel.matrix,
     //   Color.White
     // );
 
@@ -195,7 +195,7 @@ public class Mono {
         Matrix.TRS(enemies[i],
           Quat.LookAt(enemies[i], playerPos, Vec3.Up),
           new Vec3(0.4f, 1f, 0.2f)
-        ) * simMatrix * oriel.matrix.Inverse,
+        ) * simMatrix * oriel.matrix,
         Color.White * 0.62f
       );
     }

app/_Init.cs

@@ -7,7 +7,7 @@ SKSettings settings = new SKSettings {
   assetsFolder = "add",
   depthMode = DepthMode.D32,
   disableUnfocusedSleep = true,
-  // displayPreference = DisplayMode.Flatscreen,
+  displayPreference = DisplayMode.Flatscreen,
 };
 if (!SK.Initialize(settings))
   Environment.Exit(1);