v++

Assets/backbox.hlsl

@@ -8,10 +8,12 @@ float4       color;
 struct vsIn {
 	float4 pos  : SV_Position;
 	float3 norm : NORMAL0;
+	float2 uv   : TEXCOORD0;
 	// float4 col  : COLOR0;
 };
 struct psIn {
 	float4 pos   : SV_POSITION;
+	float2 uv    : TEXCOORD0;
 	float4 color : COLOR0;
 	float3 normal : NORMAL0;
 	float3 world_pos : WORLD;
@@ -35,13 +37,14 @@ psIn vs(vsIn input, uint id : SV_InstanceID) {
 	// flip input normals to treat backfaces like normal
 	o.normal = normalize(mul(-input.norm, (float3x3)sk_inst[id].world));
 
+	o.uv    = input.uv;
 	o.color = color * sk_inst[id].color;
 
 	return o;
 }
 float4 ps(psIn input) : SV_TARGET {
 	float3 view_dir = normalize(input.world_pos - input.cam_pos);
-	
+
 	// Fresnel effect calculation
 	float fresnel = 1.0 - saturate(dot(-view_dir, input.normal));
 	fresnel = pow(fresnel, 5.0); // Adjust power for different falloff rates

Assets/mono.hlsl

@@ -2,13 +2,8 @@
 
 //--name = dofdev/mono
 //--color:color = 1, 1, 1, 1
-//--tex_scale   = 1
-//--diffuse     = white
 
 float4       color;
-float        tex_scale;
-Texture2D    diffuse   : register(t0);
-SamplerState diffuse_s : register(s0);
 
 struct vsIn {
 	float4 pos  : SV_Position;
@@ -33,16 +28,12 @@ psIn vs(vsIn input, uint id : SV_InstanceID) {
 
 	float3 normal = normalize(mul(input.norm, (float3x3)sk_inst[id].world));
 
-	o.uv    = input.uv * tex_scale;
+	o.uv    = input.uv;
 	float3 norm_color = float3(0.5) + (normal * 0.5);
 	float3 norm_shade = float3(0.5) + (norm_color * 0.5);
 	o.color = float4(norm_shade, 1) * input.col; // input.col * color * sk_inst[id].color;
 	return o;
 }
 float4 ps(psIn input) : SV_TARGET {
-	float4 col = diffuse.Sample(diffuse_s, input.uv);
+	return input.color;
-
-	col = col * input.color;
-
-	return col;
 }

Assets/unlit.hlsl

@@ -2,13 +2,8 @@
 
 //--name = dofdev/unlit
 //--color:color = 1, 1, 1, 1
-//--tex_scale   = 1
-//--diffuse     = white
 
 float4       color;
-float        tex_scale;
-Texture2D    diffuse   : register(t0);
-SamplerState diffuse_s : register(s0);
 
 struct vsIn {
 	float4 pos  : SV_Position;
@@ -33,14 +28,10 @@ psIn vs(vsIn input, uint id : SV_InstanceID) {
 
 	float3 normal = normalize(mul(input.norm, (float3x3)sk_inst[id].world));
 
-	o.uv    = input.uv * tex_scale;
+	o.uv    = input.uv;
 	o.color = input.col * color * sk_inst[id].color;
 	return o;
 }
 float4 ps(psIn input) : SV_TARGET {
-	float4 col = diffuse.Sample(diffuse_s, input.uv);
+	return input.color;
-
-	col = col * input.color;
-
-	return col;
 }

Platforms/Android/AndroidManifest.xml

@@ -2,8 +2,8 @@
 <manifest
   xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.dofdev.snake"
-  android:versionCode="29"
+  android:versionCode="34"
-  android:versionName="1.32"
+  android:versionName="1.38"
   android:installLocation="auto"
 >
   <uses-sdk android:minSdkVersion="29" android:targetSdkVersion="32" />

src/Arts.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using System.Threading;
 using StereoKit;
 
 namespace snake;
@@ -14,6 +13,7 @@ static class Arts
     static Material mat_backbox = new Material("backbox.hlsl");
     static Material mat_justcolor = new Material("justcolor.hlsl");
 
+    public static Vec3 box_shake = new(0, 0, 0);
     static Quat food_ori = Quat.Identity;
 
     static XYZi last_headpos = new(0, 0, 0);
@@ -21,6 +21,8 @@ static class Arts
     static XYZi last_tailpos = new(0, 0, 0);
     static DeltaBool tailmove = new(false);
 
+    static TextStyle text_style;
+
     public static void Init()
     {
         foreach (ModelNode node in assets_model.Nodes)
@@ -31,6 +33,11 @@ static class Arts
             }
         }
 
+        text_style = TextStyle.FromFont(
+            Font.FromFile("HurmitNerd.otf"),
+            1.0f * U.cm,
+            Color.White
+        );
 
         mat_backbox.FaceCull = Cull.Front;
         mat_backbox.Transparency = Transparency.Add;
@@ -44,7 +51,7 @@ static class Arts
     {
         bool vr = Device.DisplayBlend == DisplayBlend.Opaque;
         // render hands if not in mixed reality
-        // Input.HandVisible(Handed.Max, vr);
+        Input.HandVisible(Handed.Max, false);
         if (vr)
         {
             // background standin if no passthrough
@@ -67,9 +74,14 @@ static class Arts
         );
 
         // 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);
-        Hierarchy.Push(Mono.box_pose.ToMatrix(box_scale));
+        Hierarchy.Push(Matrix.TRS(
+            Mono.box_pose.position + (box_shake * U.cm * 0.333f),
+            Mono.box_pose.orientation,
+            box_scale
+        ));
         // meshes["InsideOut"].Draw(mat_unlit, Matrix.Identity);
         meshes["InsideOut"].Draw(
             mat_box,
@@ -81,9 +93,11 @@ static class Arts
         );
         if (Mono.in_cone.state && Mono.box_mode == Mono.BoxMode.Hold || Mono.box_mode == Mono.BoxMode.Mount)
         {
-            meshes["Hanging"].Draw(
+            Lines.Add(
-                mat_unlit,
+                V.XYZ(0, Mono.SD_Y - 0.5f, 0),
-                Matrix.Identity
+                V.XYZ(0, Mono.SD_Y + 3.0f, 0),
+                Color.White,
+                1.0f * U.mm
             );
         }
         if (Mono.menu)
@@ -215,6 +229,33 @@ static class Arts
             );
         }
 
+        // particles
+        Particle[] particles = VFX.particles;
+        for (int i = 0; i < particles.Length; i++)
+        {
+            Particle particle = particles[i];
+            meshes["FoodParticle"].Draw(
+                mat_mono,
+                Matrix.TRS(
+                    particle.pos,
+                    particle.ori,
+                    particle.scl
+                )
+            );
+        }
+
+        // score
+        Quat score_ori = Quat.LookDir(Rig.head.position - Mono.box_pose.position);
+        Text.Add(
+            Mono.snake_len.ToString("000"),
+            Matrix.TRS(
+                score_ori * V.XYZ(0, -Mono.SD_Y - 1, -Mono.SD_Z - 1),
+                score_ori,
+                32
+            ),
+            text_style
+        );
+
         Hierarchy.Pop();
 
         // for (int sx = -Mono.head_fill.Xslen; Mono.head_fill.InX(sx); sx++)

src/Mono.cs

@@ -30,7 +30,7 @@ static class Mono
     public static XYZi snake_dir = new(0, 0, 1);
     public static DeltaBool in_box = new(true);
     public static Dictionary<XYZi, XYZi> holes = new();
-    public static XYZi food = new(2, 0, 0); // [!] start random to keep new game fresh?
+    public static XYZi food = new(0, -1, 0); // [!] start random to keep new game fresh?
     public static DeltaBool eaten_latch = new(false);
     public static double eat_timestamp = 0.0;
 
@@ -66,7 +66,9 @@ static class Mono
             // just one btn(resume) in menu rn
             if (Rig.btn_select.delta == +1)
             {
+                Rig.btn_select.delta = 0; // [!] hacky capture
                 menu = false;
+                SFX.click.PlayBox(new XYZi(0, 0, Mono.SD_Z + 1));
             }
         }
 
@@ -175,6 +177,7 @@ static class Mono
         {
             holes.Add(snake[0], snake_dir);
             SFX.punch_through.PlayBox(snake[0]);
+            Arts.box_shake += snake_dir.ToVec3;
         }
         if (holes.ContainsKey(snake[snake_len - 1]))
         {
@@ -196,6 +199,7 @@ static class Mono
                 eat_timestamp = Time.Total;
                 grow_buffer += 3;
 
+                VFX.Play(snake[0]);
                 SFX.crisp_nom.PlayBox(snake[0]);
             }
         }

src/Program.cs

@@ -35,6 +35,7 @@ class Program
 
         Rig.Init();
         Mono.Init();
+        VFX.Init();
         Arts.Init();
 
         VCam.Init();
@@ -97,6 +98,8 @@ class Program
                         Arts.Step();
                     }
                 }
+
+                VFX.Frame();
             }
 
             Arts.Frame();

src/VFX.cs

@@ -0,0 +1,69 @@
+using StereoKit;
+using System;
+
+namespace snake;
+
+static class VFX
+{
+    public static Particle[] particles = new Particle[32];
+    static int index = 0;
+
+    public static void Init()
+    {
+        for (int i = 0; i < particles.Length; i++)
+        {
+            particles[i] = new();
+        }
+    }
+
+    public static void Play(XYZi pos)
+    {
+        for (int i = 0; i < 8; i++)
+        {
+            index = (index + 1) % particles.Length;
+            Particle particle = particles[index];
+            particle.pos = pos.ToVec3;
+            particle.vel = Quat.FromAngles(Random.Shared.NextSingle() * 360, 0, 0) * Quat.FromAngles(0, Random.Shared.NextSingle() * 360, 0) * Vec3.Forward * 6.0f;
+            particle.ori = Quat.Identity;
+            particle.scl = (1.0f / 8) * Maths.smooth_stop(Random.Shared.NextSingle());
+        }
+    }
+
+    public static void Frame()
+    {
+        for (int i = 0; i < particles.Length; i++)
+        {
+            Particle particle = particles[i];
+            if (particle.vel.MagnitudeSq > float.Epsilon)
+            {
+                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.y, Mono.SD_Y - 0.5f - scl_rad),
+                    Maths.s_clamp(particle.pos.z, Mono.SD_Z - 0.5f - scl_rad)
+                );
+                if (next_pos.x != particle.pos.x || next_pos.y != particle.pos.y || next_pos.z != particle.pos.z)
+                {
+                    particle.pos = next_pos;
+                    particle.vel = Vec3.Zero;
+                }
+            }
+        }
+    }
+}
+
+public class Particle
+{
+    public Vec3 pos, vel;
+    public Quat ori;
+    public float scl;
+
+    public Particle()
+    {
+        this.pos = Vec3.Zero;
+        this.vel = Vec3.Zero;
+        this.ori = Quat.Identity;
+        this.scl = 0.0f;
+    }
+}