vfx particle type

src/VFX.cs

@@ -0,0 +1,24 @@
+using StereoKit;
+using System;
+
+namespace snake;
+
+static class VFX
+{
+   
+}
+
+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;
+    }
+}