Fixed bug that would let the camera pan when pressing arrow keys anywhere.

package.json

@@ -12,6 +12,7 @@
     "@types/react-virtualized-select": "^3.0.7",
     "@types/text-encoding": "^0.0.35",
     "antd": "^3.20.1",
+    "camera-controls": "^1.12.2",
     "craco-antd": "^1.11.0",
     "golden-layout": "^1.5.9",
     "javascript-lp-solver": "^0.4.5",
@@ -29,7 +30,6 @@
     "react-virtualized-select": "^3.1.3",
     "text-encoding": "^0.7.0",
     "three": "^0.106.2",
-    "three-orbit-controls": "^82.1.0",
     "typescript": "~3.4.5"
   },
   "scripts": {

src/rendering/Renderer.ts

@@ -1,20 +1,27 @@
+import CameraControls from "camera-controls";
 import * as THREE from "three";
 import {
-    Camera,
     Color,
     Group,
     HemisphereLight,
-    MOUSE,
+    OrthographicCamera,
+    PerspectiveCamera,
     Scene,
     Vector2,
     Vector3,
     WebGLRenderer,
+    Clock,
 } from "three";
-import OrbitControlsCreator from "three-orbit-controls";
 
-const OrbitControls = OrbitControlsCreator(THREE);
+CameraControls.install({
+    // Hack to make panning and orbiting work the way we want.
+    THREE: {
+        ...THREE,
+        MOUSE: { ...THREE.MOUSE, LEFT: THREE.MOUSE.RIGHT, RIGHT: THREE.MOUSE.LEFT },
+    },
+});
 
-export class Renderer<C extends Camera> {
+export class Renderer<C extends PerspectiveCamera | OrthographicCamera> {
     protected _debug = false;
 
     get debug(): boolean {
@@ -26,13 +33,15 @@ export class Renderer<C extends Camera> {
     }
 
     readonly camera: C;
-    readonly controls: any;
+    readonly controls: CameraControls;
     readonly scene = new Scene();
     readonly light_holder = new Group();
 
     private renderer = new WebGLRenderer({ antialias: true });
     private render_scheduled = false;
+    private render_stop_scheduled = false;
     private light = new HemisphereLight(0xffffff, 0x505050, 1.2);
+    private controls_clock = new Clock();
 
     constructor(camera: C) {
         this.camera = camera;
@@ -41,10 +50,9 @@ export class Renderer<C extends Camera> {
         this.dom_element.addEventListener("mousedown", this.on_mouse_down);
         this.dom_element.style.outline = "none";
 
-        this.controls = new OrbitControls(camera, this.dom_element);
+        this.controls = new CameraControls(camera, this.renderer.domElement);
-        this.controls.mouseButtons.ORBIT = MOUSE.RIGHT;
+        this.controls.dampingFactor = 1;
-        this.controls.mouseButtons.PAN = MOUSE.LEFT;
+        this.controls.draggingDampingFactor = 1;
-        this.controls.addEventListener("change", this.schedule_render);
 
         this.scene.background = new Color(0x181818);
         this.light_holder.add(this.light);
@@ -69,17 +77,27 @@ export class Renderer<C extends Camera> {
         return coords;
     }
 
-    schedule_render = () => {
+    start_rendering(): void {
-        if (!this.render_scheduled) {
-            this.render_scheduled = true;
         requestAnimationFrame(this.call_render);
     }
+
+    stop_rendering(): void {
+        this.render_stop_scheduled = true;
+    }
+
+    schedule_render = () => {
+        this.render_scheduled = true;
     };
 
     reset_camera(position: Vector3, look_at: Vector3): void {
-        this.controls.reset();
+        this.controls.setLookAt(
-        this.camera.position.copy(position);
+            position.x,
-        this.camera.lookAt(look_at);
+            position.y,
+            position.z,
+            look_at.x,
+            look_at.y,
+            look_at.z
+        );
     }
 
     protected render(): void {
@@ -91,7 +109,20 @@ export class Renderer<C extends Camera> {
     };
 
     private call_render = () => {
+        const controls_updated = this.controls.update(this.controls_clock.getDelta());
+        const should_render = this.render_scheduled || controls_updated;
+
         this.render_scheduled = false;
+
+        if (this.render_stop_scheduled) {
+            this.render_stop_scheduled = false;
+            return;
+        }
+
+        if (should_render) {
             this.render();
+        }
+
+        requestAnimationFrame(this.call_render);
     };
 }

src/rendering/TextureRenderer.ts

@@ -29,7 +29,8 @@ export class TextureRenderer extends Renderer<OrthographicCamera> {
     constructor() {
         super(new OrthographicCamera(-400, 400, 300, -300, 1, 10));
 
-        this.controls.enableRotate = false;
+        this.controls.azimuthRotateSpeed = 0;
+        this.controls.polarRotateSpeed = 0;
 
         autorun(() => {
             this.scene.remove(...this.quad_meshes);

src/ui/RendererComponent.tsx

@@ -1,9 +1,9 @@
 import React, { Component, ReactNode } from "react";
-import { Camera } from "three";
+import { OrthographicCamera, PerspectiveCamera } from "three";
 import { Renderer } from "../rendering/Renderer";
 
 type Props = {
-    renderer: Renderer<Camera>;
+    renderer: Renderer<PerspectiveCamera | OrthographicCamera>;
     width: number;
     height: number;
     debug?: boolean;
@@ -25,7 +25,12 @@ export class RendererComponent extends Component<Props> {
         }
     }
 
+    componentDidMount(): void {
+        this.props.renderer.start_rendering();
+    }
+
     componentWillUnmount(): void {
+        this.props.renderer.stop_rendering();
         this.props.on_will_unmount && this.props.on_will_unmount();
     }
 

yarn.lock

@@ -2636,6 +2636,11 @@ camelcase@^5.0.0, camelcase@^5.2.0, camelcase@^5.3.1:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
+camera-controls@^1.12.2:
+  version "1.12.2"
+  resolved "https://registry.yarnpkg.com/camera-controls/-/camera-controls-1.12.2.tgz#02ae544256f93964e27c6e4b2cc5887cff417d3f"
+  integrity sha512-+qXGiyEwaDIBMT2eDdzaAL0Ihik0yitSdGF5tzGIHwwNFfcYQQTxNacc7EPuMAMgQkF6Opg8m8Uy3IfifaCLMg==
+
 caniuse-api@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-3.0.0.tgz#5e4d90e2274961d46291997df599e3ed008ee4c0"
@@ -10422,11 +10427,6 @@ text-table@0.2.0, text-table@^0.2.0:
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
   integrity sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=
 
-three-orbit-controls@^82.1.0:
-  version "82.1.0"
-  resolved "https://registry.yarnpkg.com/three-orbit-controls/-/three-orbit-controls-82.1.0.tgz#11a7f33d0a20ecec98f098b37780f6537374fab4"
-  integrity sha1-EafzPQog7OyY8Jizd4D2U3N0+rQ=
-
 three@^0.106.2:
   version "0.106.2"
   resolved "https://registry.yarnpkg.com/three/-/three-0.106.2.tgz#6752d304c470e4df230944ecd45325e7bf79e1f8"