/// <summary>
/// MIT License - Copyright(c) 2019 Ugo Belfiore
/// </summary>

using UnityEngine;
using System.Collections;
using System.Reflection;

/// <summary>
/// Debug Extension
/// 	- Static class that extends Unity's debugging functionallity.
/// 	- Attempts to mimic Unity's existing debugging behaviour for ease-of-use.
/// 	- Includes gizmo drawing methods for less memory-intensive debug visualization.
/// </summary>

public static class ExtDrawGuizmos
{
	/// <summary>
	/// 	- Debugs a wire sphere.
	/// </summary>
	/// <param name='position'>
	/// 	- The position of the center of the sphere.
	/// </param>
	/// <param name='color'>
	/// 	- The color of the sphere.
	/// </param>
	/// <param name='radius'>
	/// 	- The radius of the sphere.
	/// </param>
	/// <param name='duration'>
	/// 	- How long to draw the sphere.
	/// </param>
	/// <param name='depthTest'>
	/// 	- Whether or not the sphere should be faded when behind other objects.
	/// </param>
	public static void DebugWireSphere(Vector3 position, Color color, float radius = 1.0f, float duration = 0, bool depthTest = true)
	{
		float angle = 10.0f;
		
		Vector3 x = new Vector3(position.x, position.y + radius * Mathf.Sin(0), position.z + radius * Mathf.Cos(0));
		Vector3 y = new Vector3(position.x + radius * Mathf.Cos(0), position.y, position.z + radius * Mathf.Sin(0));
		Vector3 z = new Vector3(position.x + radius * Mathf.Cos(0), position.y + radius * Mathf.Sin(0), position.z);
		
		Vector3 new_x;
		Vector3 new_y;
		Vector3 new_z;
		
		for(int i = 1; i < 37; i++){
			
			new_x = new Vector3(position.x, position.y + radius * Mathf.Sin(angle*i*Mathf.Deg2Rad), position.z + radius * Mathf.Cos(angle*i*Mathf.Deg2Rad));
			new_y = new Vector3(position.x + radius * Mathf.Cos(angle*i*Mathf.Deg2Rad), position.y, position.z + radius * Mathf.Sin(angle*i*Mathf.Deg2Rad));
			new_z = new Vector3(position.x + radius * Mathf.Cos(angle*i*Mathf.Deg2Rad), position.y + radius * Mathf.Sin(angle*i*Mathf.Deg2Rad), position.z);
			
			Debug.DrawLine(x, new_x, color, duration, depthTest);
			Debug.DrawLine(y, new_y, color, duration, depthTest);
			Debug.DrawLine(z, new_z, color, duration, depthTest);
		
			x = new_x;
			y = new_y;
			z = new_z;
		}
	}

    public static void DebugCross(Transform transform, float lenght = 1, float duration = 1)
    {
        Debug.DrawRay(transform.position, transform.up * lenght, Color.green);
        Debug.DrawRay(transform.position, transform.forward * lenght, Color.blue);
        Debug.DrawRay(transform.transform.position, transform.right * lenght, Color.red);
    }

    public static void DebugCross(Vector3 position, Quaternion rotation, float lenght = 1, float duration = 1)
    {
        Debug.DrawRay(position, rotation * Vector3.up * lenght, Color.green);
        Debug.DrawRay(position, rotation * Vector3.forward * lenght, Color.blue);
        Debug.DrawRay(position, rotation * Vector3.right * lenght, Color.red);
    }
}