init

.gitignore

@@ -0,0 +1,61 @@
+# This .gitignore file should be placed at the root of your Unity project directory
+#
+# Get latest from https://github.com/github/gitignore/blob/master/Unity.gitignore
+#
+/[Ll]ibrary/
+/[Tt]emp/
+/[Oo]bj/
+/[Bb]uild/
+/[Bb]uilds/
+/[Ll]ogs/
+/[Mm]emoryCaptures/
+/[Rr]ecordings/
+
+# Never ignore Asset meta data
+!/[Aa]ssets/**/*.meta
+
+# Uncomment this line if you wish to ignore the asset store tools plugin
+# /[Aa]ssets/AssetStoreTools*
+
+# Autogenerated Jetbrains Rider plugin
+[Aa]ssets/Plugins/Editor/JetBrains*
+
+# Visual Studio cache directory
+.vs/
+.vsconfig
+
+# Gradle cache directory
+.gradle/
+
+# Autogenerated VS/MD/Consulo solution and project files
+ExportedObj/
+.consulo/
+*.csproj
+*.unityproj
+*.sln
+*.suo
+*.tmp
+*.user
+*.userprefs
+*.pidb
+*.booproj
+*.svd
+*.pdb
+*.mdb
+*.opendb
+*.VC.db
+
+# Unity3D generated meta files
+*.pidb.meta
+*.pdb.meta
+*.mdb.meta
+
+# Unity3D generated file on crash reports
+sysinfo.txt
+
+# Builds
+*.apk
+*.unitypackage
+
+# Crashlytics generated file
+crashlytics-build.properties

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "Assets/Packages/unity-simplex-geometry"]
+	path = Assets/Packages/unity-simplex-geometry
+	url = https://github.com/komietty/unity-simplex-geometry.git

Assets/AnimatedQuickhull/AnimatedQuickhull2D.cs

@@ -0,0 +1,29 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+using Unity.Mathematics;
+using static Unity.Mathematics.math;
+
+namespace kmty.geom.d2.animatedquickhull {
+    using f2 = float2;
+    using f3 = float3;
+    using V2 = Vector2;
+    using SG = Segment;
+
+    public class AnimatedQuickhull2D {
+        public Transform[] bones { get; protected set; }
+        public Convex convex { get; protected set; }
+
+        public AnimatedQuickhull2D(SkinnedMeshRenderer skin) {
+            this.bones = skin.bones;
+            Execute();
+        }
+
+        public void Execute() {
+            convex = new Convex(bones.Select(b => (f2)(V2)b.position));
+            convex.ExpandLoop();
+        }
+    }
+
+}