openroomxyz’s gists

openroomxyz / run.cs

Created April 1, 2020 09:24

Unity : How can i generate easily mesh that is bigger than 65535 vertex ? (The 16-bit limit)

	mesh = new Mesh();
	mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32; //using 32 bit index insted 16 bit

openroomxyz / IntHexBinConverter.cs

Created April 1, 2020 09:28

Unity Editor : How to convert between Int <-> Hex <-> Bin ?

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


	public class IntHexBinConverter : EditorWindow
	{
	//Converter 1 Variables
	int converter_1_input_int = 0;

openroomxyz / TrinagleArea.cs

Created April 1, 2020 09:41

Unity : How to calculate the Area of Triangle in 3D?

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


	public class AreaOfTrinagle : EditorWindow
	{
	string objectBaseName = "";
	int objectId = 1;

openroomxyz / MatrixRotateScaleTranslate.cs

Created April 1, 2020 09:48

Unity : How to rotate,scale, translate with matrix?

	public static Matrix4x4 RotateX(float aAngleRad)
	{
	Matrix4x4 m = Matrix4x4.identity; // 1 0 0 0
	m.m11 = m.m22 = Mathf.Cos(aAngleRad); // 0 cos -sin 0
	m.m21 = Mathf.Sin(aAngleRad); // 0 sin cos 0
	m.m12 = -m.m21; // 0 0 0 1
	return m;
	}
	public static Matrix4x4 RotateY(float aAngleRad)
	{

openroomxyz / GeneratorExample.cs

Created April 1, 2020 10:15

Unity C# : How to use Generators example?

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

	public class Generator : MonoBehaviour
	{
	// Start is called before the first frame update
	void Start()
	{
	var allNumbers = CosmosCount();

openroomxyz / HowdoIConvertAnArrayOfFloatsToAByteAndBack.cs

Created April 1, 2020 10:17

How do I convert an array of floats to a byte[] and back?

	var floatArray1 = new float[] { 123.45f, 123f, 45f, 1.2f, 34.5f };

	// create a byte array and copy the floats into it...
	var byteArray = new byte[floatArray1.Length * 4];
	Buffer.BlockCopy(floatArray1, 0, byteArray, 0, byteArray.Length);

	// create a second float array and copy the bytes into it...
	var floatArray2 = new float[byteArray.Length / 4];
	Buffer.BlockCopy(byteArray, 0, floatArray2, 0, byteArray.Length);

openroomxyz / LearningFileStreams.cs

Created April 1, 2020 10:20

Unity : How to do bin File-streams?

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

	public class LearningFileStreams : MonoBehaviour
	{
	//https://www.tutorialspoint.com/csharp/csharp_binary_files.htm
	void StartSSS()
	{

openroomxyz / CalculateFPS.cs

Created April 1, 2020 10:21

How To calculate FSP?

	//Call it in Update()
	void CalculateFPS()
	{
	fps = (int)(1.0f / Time.smoothDeltaTime);
	}

openroomxyz / CartesianToPolar.cs

Created April 1, 2020 10:22

Unity : How to convert from Cartesian to Polar 2d?

	//Cartesian to polar 2d
	float radius = Mathf.Sqrt((x * x) + (y * y));
	float angle = Mathf.Atan2(y, x);


	float angle = Mathf.Atan2(py, px) * Mathf.Rad2Deg; //To get degress much more usefull
	//TO get from zero to 1 angle / (float)(365)


	https://docs.unity3d.com/ScriptReference/Mathf.Atan2.html

openroomxyz / LineRendererExample_000.cs

Created April 1, 2020 10:25

Unity : Example Line-render Chaos ( FPS dependent rendering ).

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


	//[ExecuteInEditMode]
	public class LineRendererExample_000 : MonoBehaviour
	{
	public LineRenderer lineRenderer;

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