Method damp

packages/melonjs/src/math/observableVector3d.ts:488–499

* Frame-rate independent exponential damping toward `target`. * Per-component wrapper around damp that triggers the * change-callback exactly once via the underlying set. * @param target - vector to approach (Vector2d treats `z` as 0) * @param lambda - decay rate in `1/second

(
		target: Vector2d | Vector3d | ObservableVector3d,
		lambda: number,
		dt: number,
	)

	 * @returns Reference to this object for method chaining
	 */
	damp(
		target: Vector2d | Vector3d | ObservableVector3d,
		lambda: number,
		dt: number,
	) {
		this.set(
			damp(this.x, target.x, lambda, dt),
			damp(this.y, target.y, lambda, dt),
			damp(this.z, "z" in target ? target.z : 0, lambda, dt),
		);
		return this;
	}

	/**
	 * interpolate the position of this vector on the x and y axis towards the given one by the given maximum step.