aviator2-spawn-collectible.js

class Collectible {
	constructor(mesh, onApply) {
		this.mesh = new THREE.Object3D()
		const bubble = new THREE.Mesh(
			new THREE.SphereGeometry(10, 100, 100),
			new THREE.MeshPhongMaterial({
				color: COLOR_COLLECTIBLE_BUBBLE,
				transparent: true,
				opacity: .4,
				flatShading: true,
			})
		)
		this.mesh.add(bubble)
		this.mesh.add(mesh)
		...
	}


	tick(deltaTime) {
		rotateAroundSea(this, deltaTime, world.collectiblesSpeed)

		// rotate collectible for visual effect
		this.mesh.rotation.y += deltaTime * 0.002 * Math.random()
		this.mesh.rotation.z += deltaTime * 0.002 * Math.random()

		// collision?
		if (utils.collide(airplane.mesh, this.mesh, world.collectibleDistanceTolerance)) {
			this.onApply()
			this.explode()
		}
		// passed-by?
		else if (this.angle > Math.PI) {
			sceneManager.remove(this)
		}
	}


	explode() {
		spawnParticles(this.mesh.position.clone(), 15, COLOR_COLLECTIBLE_BUBBLE, 3)
		sceneManager.remove(this)
		audioManager.play('bubble')

		// animation to make it very obvious that we collected this item
		TweenMax.to(...)
	}
}


function spawnSimpleGunCollectible() {
	const gun = SimpleGun.createMesh()
	gun.scale.set(0.25, 0.25, 0.25)
	gun.position.x = -2

	new Collectible(gun, () => {
		airplane.equipWeapon(new SimpleGun())
	})
}