Some Math Functions

CgFunctions.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

/// <summary>
/// Cg shading language functions written in C#
/// </summary>
public static class CgFunctions : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {
        print(Ceil(7.32f));
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    /// <summary>
    /// Clamp value between [0, 1]
    /// </summary>
    /// <param name="x">value to clamp</param>
    /// <returns></returns>
    float Saturate(float x)
    {
        if (x <= 0f) return 0;
        else if (x >= 1f) return 1;
        else return x;
    }

    public float Abs(float x)
    {
        if (x >= 0f) return x;
        else return -x;
    }

    public int Ceil(float x)
    {
        int a = (int)x;
        if ((float)a != x)
            return (int)x + 1;

        return (int)x;
    }

    public float Clamp(float x, float a, float b)
    {
        if (x < a) return a;
        else if (x > b) return b;
        else return x;
    }

    public bool All(float[] x)
    {
        foreach (float i in x)
        {
            if (i == 0f) return false;
        }
        return true;
    }

    public bool Any(float[] x)
    {
        foreach (float i in x)
        {
            if (i != 0f) return true;
        }
        return false;
    }

    public float Cos(float x)
    {
        return 0f; // placeholder
    }

    public float Sin(float x)
    {
        return 0f; // placeholder
    }

    public float Tan(float x)
    {
        return 0f; // placeholder
    }

    public float Acos(float x)
    {
        return 0f; // placeholder
    }

    public float Asin(float x)
    {
        return 0f; // placeholder
    }

    public float Atan(float x)
    {
        return 0f; // placeholder
    }

    public float Atan2(float x, float y)
    {
        return 0f; // placeholder
    }

    public float Cosh(float x)
    {
        return 0f; // placeholder
    }

}