function Update () {
    var controller : CharacterController = GetComponent(CharacterController);
    if (controller.collisionFlags == CollisionFlags.None)
        print("Free floating!");

    if (controller.collisionFlags & CollisionFlags.Sides)
        print("Touching sides!");
        
    if (controller.collisionFlags == CollisionFlags.Sides)
        print("Only touching sides, nothing else!");

    if (controller.collisionFlags & CollisionFlags.Above)
        print("Touching ceiling!");
        
    if (controller.collisionFlags == CollisionFlags.Above)
        print("Only touching ceiling, nothing else!");

    if (controller.collisionFlags & CollisionFlags.Below)
        print("Touching ground!");
        
    if (controller.collisionFlags == CollisionFlags.Below)
        print("Only touching ground, nothing else!");

}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    void Update() {
        CharacterController controller = GetComponent<CharacterController>();
        if (controller.collisionFlags == CollisionFlags.None)
            print("Free floating!");
        
        if (controller.collisionFlags & CollisionFlags.Sides)
            print("Touching sides!");
        
        if (controller.collisionFlags == CollisionFlags.Sides)
            print("Only touching sides, nothing else!");
        
        if (controller.collisionFlags & CollisionFlags.Above)
            print("Touching ceiling!");
        
        if (controller.collisionFlags == CollisionFlags.Above)
            print("Only touching ceiling, nothing else!");
        
        if (controller.collisionFlags & CollisionFlags.Below)
            print("Touching ground!");
        
        if (controller.collisionFlags == CollisionFlags.Below)
            print("Only touching ground, nothing else!");
        
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def Update():
        controller as CharacterController = GetComponent[of CharacterController]()
        if controller.collisionFlags == CollisionFlags.None:
            print('Free floating!')
        if controller.collisionFlags & CollisionFlags.Sides:
            print('Touching sides!')
        if controller.collisionFlags == CollisionFlags.Sides:
            print('Only touching sides, nothing else!')
        if controller.collisionFlags & CollisionFlags.Above:
            print('Touching ceiling!')
        if controller.collisionFlags == CollisionFlags.Above:
            print('Only touching ceiling, nothing else!')
        if controller.collisionFlags & CollisionFlags.Below:
            print('Touching ground!')
        if controller.collisionFlags == CollisionFlags.Below:
            print('Only touching ground, nothing else!')