CC Package and Physics

2026-06-02 08:56:26 -07:00
parent a5af81c8a8
commit 2ee30c01fd
37 changed files with 1295 additions and 142 deletions
@@ -0,0 +1,24 @@
+using Unity.Mathematics;
+
+namespace ProjectM.Simulation
+{
+    /// <summary>
+    /// Pure, Burst-friendly math for top-down character control, factored out for EditMode unit testing
+    /// (no World/system needed). Maps a twin-stick move axis + speed to a planar world velocity.
+    /// </summary>
+    public static class CharacterControlMath
+    {
+        /// <summary>
+        /// Twin-stick move (x,y) on the XZ plane scaled by <paramref name="speed"/>. Input longer than unit
+        /// length is clamped (so diagonals aren't faster than cardinals); shorter is left proportional
+        /// (analog sticks). Returns a world velocity with Y == 0.
+        /// </summary>
+        public static float3 DesiredMovement(float2 move, float speed)
+        {
+            float lenSq = math.lengthsq(move);
+            if (lenSq > 1f)
+                move = math.normalize(move);
+            return new float3(move.x, 0f, move.y) * speed;
+        }
+    }
+}