add release build. Use FPS Camera and better input.

.vscode/launch.json

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+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name":"Launch index.html",
+            "type": "chrome",
+            "request": "launch",
+            "file": "${workspaceFolder}/index.html",
+            "preLaunchTask": "npm: build:debug"
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,15 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558 
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "type": "npm",
+            "script": "build",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        }
+    ]
+}