Daniil Pankevich nilpunch

Generalist programmer, game developer.

nilpunch / BitSet.cs

Last active September 2, 2025 09:13

BitSet iteration

	public class BitSet
	{
	public ulong[] Bits0 { get; private set; } = Array.Empty<ulong>();
	public ulong[] Bits1 { get; private set; } = Array.Empty<ulong>();

	public void Add(int id)
	{
	var id0 = id >> 6;
	var id1 = id >> 12;

nilpunch / PhysicsUtils.cs

Last active August 1, 2025 12:02

Unity physics utility to find closest point on any type of collider, including concave (non-convex) colliders.

	using System.Runtime.InteropServices;
	using UnityEngine;
	using Object = UnityEngine.Object;

	public static class PhysicsUtils
	{
	private static readonly Collider[] _colliders = new Collider[512];

	private static SphereCollider _probeSphere;

nilpunch / Radix.cs

Last active June 30, 2025 07:15

C# Radix

	public static class ListExtensions
	{
	public static void RadixSort<T>(this List<T> list, Func<T, uint> orderBy)
	{
	RadixCountBytesSort(list, orderBy);
	}

	private static void RadixCountBytesSort<T>(List<T> list, Func<T, uint> orderOf)
	{
	var count = list.Count;

nilpunch / Sampe.cs

Last active May 13, 2025 16:02

WIP auto allocator syntax.

nilpunch / InterfaceObjectFieldDrawer

Last active November 11, 2024 16:39

	using System;
	using System.Collections.Generic;
	using System.Reflection;
	using Plugins.InterfaceObjectField.Runtime;
	using UnityEditor;
	using UnityEditor.SceneManagement;
	using UnityEngine;
	using Object = UnityEngine.Object;

	[CustomPropertyDrawer(typeof(InterfaceFieldAttribute))]

nilpunch / Angle.cs

Last active May 1, 2024 17:59

Angle and 2D Rotation for Unity

	using System;
	using System.Runtime.CompilerServices;
	using UnityEngine;

	public readonly struct Angle : IEquatable<Angle>
	{
	private const float PIRad = Mathf.PI;
	private const float TwoPIRad = PIRad * 2f;
	private const float HalfPIRad = PIRad * 0.5f;

nilpunch / BlurImage.shader

Last active April 25, 2025 16:47

Blur for UI elements. Compatible with Built in RP, HDRP, URP and SRP.

	Shader "UI/BlurImage"
	{
	Properties
	{
	[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {}
	_Color ("Tint", Color) = (1,1,1,1)

	[Space(50)]
	_BlurX ("X Blur", Range(0.0, 0.5)) = 0.001
	_BlurY ("Y Blur", Range(0.0, 0.5)) = 0.001

nilpunch / KdTree.cs

Last active May 31, 2022 09:41 — forked from ditzel/KdTree.cs

Somewhat refactored k-d tree.

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

	public interface IKdTreePosition
	{
	Vector3 Position { get; }
	}

nilpunch / AttackState.cs

Last active June 29, 2023 15:00

Simplest possible object-oriented FSM

	public class AttackState : IBehaviorState
	{
	private readonly ICharacter _character;

	public AttackState(ICharacter character)
	{
	_character = character;
	}

	public IBehaviorState Execute(long time)

nilpunch / BillboardSprite.shader

Last active May 31, 2022 07:30

Billboard sprite shader.

	Shader "Custom/Sprite Billboard"
	{
	Properties
	{
	[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {}
	_Color ("Tint", Color) = (1,1,1,1)
	[MaterialToggle] PixelSnap ("Pixel snap", Float) = 0

	[Header(Aligning)]
	_ScaleX ("Scale X", Float) = 1.0