HUD and Height Changes

2026-06-07 22:29:25 -07:00
parent 4ebaba9933
commit 1ed2aa46c5
41 changed files with 24787 additions and 766 deletions
@@ -35,6 +35,24 @@ namespace ProjectM.Simulation
            d.y = 0f;
            return math.lengthsq(d) <= range * range;
        }
+        /// <summary>
+        /// Projects a planar movement <paramref name="vel"/> onto a wall plane defined by <paramref name="surfaceNormal"/>
+        /// (collide-and-slide): removes the component of <paramref name="vel"/> that pushes into the surface so the
+        /// mover glances along the wall instead of stopping dead. Both inputs are flattened to the XZ plane (top-down).
+        /// Returns <paramref name="vel"/> unchanged when the normal is degenerate.
+        /// </summary>
+        public static float3 SlideVelocity(float3 vel, float3 surfaceNormal)
+        {
+            surfaceNormal.y = 0f;
+            float len = math.length(surfaceNormal);
+            if (len < 1e-6f)
+                return vel;
+            float3 n = surfaceNormal / len;
+            float3 slid = vel - math.dot(vel, n) * n;
+            slid.y = 0f;
+            return slid;
+        }
+

        /// <summary>
        /// Deterministic planar ring position around <paramref name="center"/> for spawn