https://res.cloudinary.com/jeronimo/image/upload/v1639345316/Assets/Images/Sprites/BlueNebula.webp

/**
 * Elevator
 */
class Elevator {

	constructor(node) {
		this.node = node;
		this.node.bodyType = "kinematic";

		this.initialPosition = node.getPosition();
		this.triggered = false;
		this.floorHeight = 16;
	}

	update(delta) {
		if (this.node.y > this.initialPosition.y + this.floorHeight) {
			this.node.y = this.initialPosition.y + this.floorHeight;
			this.node.linearVelocityY = 0;
		}
	}

	onBeginContact(bodyNode, contact) {
		if (!this.triggered) {
			this.triggered = true;
			setTimeout(() => {
				this.node.linearVelocityY = 2;
			}, 8000);
		}
	}


	approxeq = function (v1, v2, epsilon) {
		if (epsilon == null) {
			epsilon = 0.001;
		}
		return Math.abs(v1 - v2) < epsilon;
	};
}


/**
 * LeftRight
 */
class LeftRight {

	constructor(node) {
		this.node = node;
		this.distance = 40;
		this.motorJointNode = null;
		this.direction = 1;
	}

	update(delta) {
		if (!this.motorJointNode) {
			const scene = this.node.findSceneNode();
			if (scene) {
				this.motorJointNode = scene.findChildByName("motorJoint");
			}
		}

		const switchDirection = () => {
			this.motorJointNode.motorSpeed = 0;
			setTimeout(() => {
				this.motorJointNode.motorSpeed = this.direction;			
			}, 12000);
		}


		if (this.node.x >= +this.distance && this.direction === +1) {
			this.direction = -1;
			console.log("Switched direction to: ", this.direction);
			switchDirection();
		}

		if (this.node.x <= -this.distance && this.direction === -1) {
			this.direction = +1;
			console.log("Switched direction to: ", this.direction);
			switchDirection();
		}
	}
}


motorJoint

**Theo Jansen**'s mechanism wandering in space!

Theo Jansen in Space