From 214ab7e363a5f195fccae1cef3fb102f4449bd07 Mon Sep 17 00:00:00 2001
From: LJ5O <75009579+LJ5O@users.noreply.github.com>
Date: Sun, 12 Nov 2023 17:03:40 +0100
Subject: [PATCH] Added Freecam + Player is now aligned with ground

---
 src/cameras/freecam.js | 17 +++++++++++++++++
 src/main.js            | 17 +++++++++++------
 src/utils/placement.js |  9 +++++++++
 3 files changed, 37 insertions(+), 6 deletions(-)
 create mode 100644 src/cameras/freecam.js
 create mode 100644 src/utils/placement.js

diff --git a/src/cameras/freecam.js b/src/cameras/freecam.js
new file mode 100644
index 0000000..983953c
--- /dev/null
+++ b/src/cameras/freecam.js
@@ -0,0 +1,17 @@
+//https://medium.com/geekculture/how-to-control-three-js-camera-like-a-pro-a8575a717a2
+
+import * as THREE from 'three';
+import { FlyControls } from 'three/examples/jsm/controls/FlyControls';
+
+let controls;
+export function enableFreeCam(camera, renderer){
+    controls = new FlyControls( camera, renderer.domElement );
+    controls.movementSpeed = 5;
+    controls.rollSpeed = Math.PI / 48;
+    controls.autoForward = false;
+    controls.dragToLook = true;   
+}
+
+export function updateFreeCamKeys(){
+    controls.update(0.01)
+}
\ No newline at end of file
diff --git a/src/main.js b/src/main.js
index 8eee3da..78aa6f8 100644
--- a/src/main.js
+++ b/src/main.js
@@ -2,6 +2,8 @@ import * as THREE from 'three';
 import * as MathUtils from 'three/src/math/MathUtils.js';
 import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
 import {createGround} from './objects/ground.js';
+import {alignGround} from './utils/placement.js';
+import * as Freecam from './cameras/freecam.js';
 let Clock = new THREE.Clock();
 console.log("OK")
 
@@ -13,17 +15,20 @@ const renderer = new THREE.WebGLRenderer();
 renderer.setSize( window.innerWidth, window.innerHeight );
 document.body.appendChild( renderer.domElement );
 
+//Freecam
+Freecam.enableFreeCam(camera, renderer);
+
+const ground = createGround();
+scene.add(ground);
+
 const loader = new GLTFLoader();
-
-
-
 let mixer, clip, action;
 
 loader.load( './src/objects/models/player.gltf', function ( gltf ) {
 
   gltf.scene.scale.set(0.2,0.2,0.2);
   gltf.scene.rotateOnWorldAxis(new THREE.Vector3(1,0,0), MathUtils.degToRad(90));
-  gltf.scene.position.z=0.9
+  alignGround(ground, gltf.scene);
 	scene.add( gltf.scene );
   
   mixer = new THREE.AnimationMixer( gltf.scene );
@@ -37,7 +42,6 @@ loader.load( './src/objects/models/player.gltf', function ( gltf ) {
 
 } );
 
-scene.add(createGround());
 scene.add(new THREE.AmbientLight(0x404040, 50));
 
 camera.position.x = 0;// <----->
@@ -47,7 +51,8 @@ camera.rotateOnWorldAxis(new THREE.Vector3(1, 0, 0), MathUtils.degToRad(60));
 
 function animate() {
 	requestAnimationFrame( animate );
-  if(mixer) mixer.update( Clock.getDelta() ); //If mixer ready
+  if(mixer) mixer.update( Clock.getDelta()*1.4 ); //If mixer ready
+  Freecam.updateFreeCamKeys()//Freecam
 	renderer.render( scene, camera );
 
 }
diff --git a/src/utils/placement.js b/src/utils/placement.js
new file mode 100644
index 0000000..c0be3d2
--- /dev/null
+++ b/src/utils/placement.js
@@ -0,0 +1,9 @@
+import * as THREE from 'three';
+
+export function alignGround(ground, MovingObject){
+    const boundingBoxGround = new THREE.Box3().setFromObject(ground);
+    const boundingBoxMovingObject = new THREE.Box3().setFromObject(MovingObject);
+
+    const MovingObjectHeight = boundingBoxMovingObject.max.z - boundingBoxMovingObject.min.z;
+    MovingObject.position.y = MovingObjectHeight/2 + boundingBoxGround.max.z;
+}
\ No newline at end of file