Changing animations

src/MockupModel.js

@@ -0,0 +1,38 @@
+import { Group } from 'three';
+
+export default class MockupModel extends Group {
+  constructor() {
+    super();
+
+    this.speed = {
+      x: 0,
+      y: 0,
+      z: 0,
+    };
+
+    this.acceleration = {
+      x: 0,
+      y: 0,
+      z: 0,
+    };
+  }
+
+  floatAnim() {
+    const maxSpeed = 0.5;
+
+    if (this.position.y < -2) {
+      this.acceleration.y = 0.02;
+    }
+
+    if (this.position.y > 2) {
+      this.acceleration.y = -0.02;
+    }
+
+    this.speed.y = Math.min(this.speed.y + this.acceleration.y, maxSpeed);
+    this.position.y += this.speed.y;
+  }
+
+  rotateAnim() {
+    this.rotation.y += 0.02;
+  }
+}