using UnityEngine;

namespace NanoBrain.Unity.Braitenberg {

    /// <summary>
    /// A sensor which can detect contacts with static GameObjects or Rigidbodies
    /// </summary>
    [HelpURL("https://passer.life/documentation/nanobrain/Documentation/html/class_nano_brain_1_1_unity_1_1_braitenberg_1_1_touch_sensor.html")]
    public class TouchSensor : Sensor {

        /// <summary>
        /// Is the sensor touching something?
        /// </summary>
        public bool touching { get; protected set; }

        /// <summary>
        /// Returns the current touching state
        /// </summary>
        /// <returns>1.0 when touching something, 0.0 otherwise</returns>
        protected override float SampleSensor() {
            return touching ? 1 : 0;
        }

        private void OnTriggerEnter(Collider other) {
            //Debug.Log($"{this.name} touch start");
            touching = true;
        }
        private void OnTriggerExit(Collider other) {
            //Debug.Log($"{this.name} touch END");
            touching = false;
        }

    }

}