takumifukasawa takumifukasawa

WebGL, Shader, Unity, UE4

takumifukasawa / ConvertLinear01DepthToRawDepth.hlsl

Created May 15, 2023 02:47

Unity: Convert Linear01Depth To Raw Depth

	float ConvertLinear01DepthToRawDepth(float d)
	{
	// Linear01Depth
	// return 1.0 / (_ZBufferParams.x * z + _ZBufferParams.y);

	// d = 1.0 / (_ZBufferParams.x * z + _ZBufferParams.y);
	// d * (_ZBufferParams.x * z + _ZBufferParams.y) = 1.0;
	// _ZBufferParams.x * z * d + _ZBufferParams.y * d = 1.0;
	// _ZBufferParams.x * z * d = 1.0 - _ZBufferParams.y * d;
	// z = (1.0 - _ZBufferParams.y * d) / (_ZBufferParams.x * d);

takumifukasawa / GameObjectPool.cs

Created January 30, 2023 04:59

unity: game object (component) pool

	using System.Collections.Generic;
	using UnityEngine;

	namespace Utilities
	{
	public class GameObjectPool<T> where T : Component
	{
	private GameObject _rootObj;
	private T _spawnObject;
	private int _poolNum;

takumifukasawa / TransformUtilities.cs

Created January 25, 2023 14:13

unity: transform utilities

	using UnityEngine;

	namespace Utilities
	{

	// ----------------------------------------------------------------------------------------
	// refs:
	// https://stackoverflow.com/questions/33437244/find-children-of-children-of-a-gameobject
	// ----------------------------------------------------------------------------------------
	public static class TransformUtilities

takumifukasawa / ServiceLocator.cs

Created January 21, 2023 06:53

unity simple service locator with singleton component

	using System;
	using System.Collections.Generic;

	namespace Utilities
	{
	// singleton: https://gist.github.com/takumifukasawa/9519ed0f64abdf68608d098a3441b0d9
	public class ServiceLocator : SingletonComponent<ServiceLocator>
	{
	private static Dictionary<Type, object> _dictionary = new Dictionary<Type, object>();

takumifukasawa / SingletonComponent.cs

Created January 21, 2023 06:51

unity simple singleton component

	using System;
	using UnityEngine;

	namespace Utilities
	{
	public class SingletonComponent<T> : MonoBehaviour where T : MonoBehaviour
	{
	private static T _instance;

	public static T Instance

takumifukasawa / StateMachine.cs

Last active January 21, 2023 06:51

unity simple state machine


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

	namespace Utilities
	{

	public class StateMachine<T> where T : IConvertible

takumifukasawa / TimeAccumulator.js

Created November 11, 2022 08:51


	export class TimeAccumulator {
	targetFPS;
	#callback;
	#lastTime;
	maxChaseCount;

	constructor(targetFPS, callback, maxChaseCount = 60) {
	this.targetFPS = targetFPS;
	this.#callback = callback;

takumifukasawa / TimeSkipper.js

Created November 11, 2022 08:50


	export class TimeSkipper {
	targetFPS;
	#callback;
	#lastTime;

	constructor(targetFPS, callback) {
	this.targetFPS = targetFPS;
	this.#callback = callback;
	}

takumifukasawa / threejs-sandbox-template.html

Created October 7, 2022 14:47

threejs sandbox template in single html file.

	<!doctype html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
	name="viewport">
	<meta content="ie=edge" http-equiv="X-UA-Compatible">
	<title>Document</title>
	<style>
	.wrapper {

takumifukasawa / loadObj.js

Created December 19, 2021 11:01

load obj

	// obj の情報はここに書いてある
	// https://ja.wikipedia.org/wiki/Wavefront_.obj%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB

	export default async function loadObj(path) {
	const response = await fetch(path);
	const text = await response.text();
	const lines = text.split('\n');

	// webgl用のデータ群
	const positions = [];