diff --git a/src/js/net/minecraft/client/gui/Gui.js b/src/js/net/minecraft/client/gui/Gui.js
index b3b0e7f..bf5ebd2 100644
--- a/src/js/net/minecraft/client/gui/Gui.js
+++ b/src/js/net/minecraft/client/gui/Gui.js
@@ -4,7 +4,7 @@ window.Gui = class {
         stack.save();
         stack.fillStyle = color;
         stack.globalAlpha = alpha;
-        stack.fillRect(left, top, right - left, bottom - top);
+        stack.fillRect(Math.floor(left), Math.floor(top), Math.floor(right - left), Math.floor(bottom - top));
         stack.restore();
     }
 
diff --git a/src/js/net/minecraft/client/world/World.js b/src/js/net/minecraft/client/world/World.js
index 6540cd2..aa6a0dc 100644
--- a/src/js/net/minecraft/client/world/World.js
+++ b/src/js/net/minecraft/client/world/World.js
@@ -3,7 +3,7 @@ window.World = class {
     static TOTAL_HEIGHT = ChunkSection.SIZE * 8 - 1; // ChunkSection.SIZE * 16 - 1;
 
     constructor(minecraft) {
-        this.minecrat = minecraft;
+        this.minecraft = minecraft;
 
         this.group = new THREE.Object3D();
         this.group.matrixAutoUpdate = false;
@@ -17,7 +17,7 @@ window.World = class {
         // Update lights async
         let scope = this;
         setInterval(function () {
-            let i = 1000;
+            let i = scope.minecraft.loadingScreen === null ? 1000 : 100000;
             while (scope.lightUpdateQueue.length >= 10 && i > 0) {
                 i--;
                 scope.lightUpdateQueue.shift().updateBlockLightning(scope);
@@ -26,7 +26,7 @@ window.World = class {
     }
 
     onTick() {
-        let player = this.minecrat.player;
+        let player = this.minecraft.player;
         let cameraChunkX = Math.floor(player.x >> 4);
         let cameraChunkZ = Math.floor(player.z >> 4);