diff --git a/lib/State.js b/lib/State.js
new file mode 100644
index 0000000..8e0b082
--- /dev/null
+++ b/lib/State.js
@@ -0,0 +1,29 @@
+class State {
+	constructor(state) {
+		this.set(state);
+	}
+
+	set(state) {
+		this.last = this.state;
+		this.state = state;
+		this.time = 0;
+		this.justSetState = true;
+	}
+
+	update(dt) {
+		this.first = this.justSetState;
+		this.justSetStrate = false;
+
+		this.time += this.first ? 0 : dt;
+	}
+
+	is(state) {
+		return this.state === state;
+	}
+
+	isIn(...states) {
+		return states.some(s => this.is(s));
+	}
+}
+
+module.exports = State;
\ No newline at end of file
diff --git a/lib/index.js b/lib/index.js
index 69dbb61..eb5557f 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -7,6 +7,7 @@ var AnimManager = require("./AnimManager.js"),
 	entity = require("./utilities/entity.js"),
 	wallslide = require("./movement/wallslide.js"),
 	deadInTracks = require("./movement/deadInTracks.js"),
+	State = require("./State.js"),
 	Sound = require("./sound/Sound.js"),
 	Rect = require("./Rect.js"),
 	KeyControls = require("./controls/KeyControls.js"),
@@ -31,6 +32,7 @@ module.exports = {
 	entity,
 	wallslide,
 	deadInTracks,
+	State,
 	Sound,
 	Rect,
 	KeyControls,
diff --git a/package-lock.json b/package-lock.json
index 5c6eebe..c5fc41a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -227,6 +227,14 @@
         "esutils": "^2.0.2"
       }
     },
+    "easystarjs": {
+      "version": "0.4.3",
+      "resolved": "https://registry.npmjs.org/easystarjs/-/easystarjs-0.4.3.tgz",
+      "integrity": "sha512-1h+ICk/I8gmdwaDjlP7q02LgOfcMH01FMDpJVD1ig//oYPmfFMnCZR2DNqajTD9v7JfVrJdqZuZO7TX2DdNQ6A==",
+      "requires": {
+        "heap": "0.2.6"
+      }
+    },
     "emoji-regex": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
@@ -470,6 +478,11 @@
       "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
       "dev": true
     },
+    "heap": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/heap/-/heap-0.2.6.tgz",
+      "integrity": "sha1-CH4fELBGky/IWU3Z5tN4r8nR5aw="
+    },
     "iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
diff --git a/package.json b/package.json
index b164c0b..2d79854 100644
--- a/package.json
+++ b/package.json
@@ -20,5 +20,8 @@
   "license": "ISC",
   "devDependencies": {
     "eslint": "^6.8.0"
+  },
+  "dependencies": {
+    "easystarjs": "^0.4.3"
   }
 }