Aetheria/Assets/Scripts/Zone Display/ZoneRenderer.cs
Reinier Vens c6ffcad3f1 Shields
Created field bubble shields / propulsion, currently just a prototype with its own test scene
2025-01-30 01:58:05 +00:00

703 lines
28 KiB
C#

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Cinemachine;
using UniRx;
using UnityEngine;
using UnityEngine.Serialization;
using Object = UnityEngine.Object;
using Random = UnityEngine.Random;
using Unity.Mathematics;
using static Unity.Mathematics.math;
using float2 = Unity.Mathematics.float2;
public class ZoneRenderer : MonoBehaviour
{
public Camera MainCamera;
public Transform WormholePrefab;
public float EntityFadeTime;
public Transform FogCameraParent;
public GameSettings Settings;
public Transform ZoneRoot;
public Transform SectorBrushes;
public MeshRenderer SectorBoundaryBrush;
public CinemachineVirtualCamera SceneCamera;
public Camera[] FogCameras;
public Camera[] MinimapCameras;
public Material FogMaterial;
public float FogFarFadeFraction = .125f;
public float FarPlaneDistanceMultiplier = 2;
public InstancedMesh[] AsteroidMeshes;
public int AsteroidSpritesheetWidth = 4;
public int AsteroidSpritesheetHeight = 4;
public LODHandler LODHandler;
public Slime SlimeRenderer;
public Camera SlimeGravityCamera;
public GridObject SimpleCommodityPickup;
public GridObject CompoundCommodityPickup;
public GridObject GearPickup;
public GridObject WeaponPickup;
public Material[] MapGravityMaterials;
[Header("Tour")] public bool Tour;
public float TourSwitchTime = 5f;
public float TourFollowDistance = 30f;
public float TourHeightOffset = 15;
public float TourFollowOffsetDegrees;
// public Mesh[] AsteroidMeshes;
// public Material AsteroidMaterial;
[Header("Prefabs")]
public MeshFilter AsteroidBeltUI;
public PlanetObject Planet;
public GasGiantObject GasGiant;
public SunObject Sun;
public Prototype CompassIconPrototype;
[Header("Icons")]
public Sprite OrbitalIcon;
public Sprite WormholeIcon;
[HideInInspector] public Dictionary<Entity, EntityInstance> EntityInstances = new Dictionary<Entity, EntityInstance>();
[HideInInspector] public Dictionary<Guid, PlanetObject> Planets = new Dictionary<Guid, PlanetObject>();
private Dictionary<Guid, AsteroidBeltUI> _beltObjects = new Dictionary<Guid, AsteroidBeltUI>();
private Dictionary<Guid, InstancedMesh[]> _beltMeshes = new Dictionary<Guid, InstancedMesh[]>();
private Dictionary<Guid, Matrix4x4[][]> _beltMatrices = new Dictionary<Guid, Matrix4x4[][]>();
private float _viewDistance;
private float _maxDepth;
private float _minimapDistance;
private int _tourIndex = -1;
private float _tourTimer;
private List<(Transform, Transform)> _tourPlanets = new List<(Transform, Transform)>();
private CinemachineTransposer _transposer;
private PlanetObject _root;
private bool _rootFound;
private Entity _perspectiveEntity;
private IDisposable[] _perspectiveSubscriptions = new IDisposable[2];
private List<IDisposable> _zoneSubscriptions = new List<IDisposable>();
private PlanetObject[] _suns;
private bool _showAsteroidUI;
public Dictionary<Wormhole, (GameObject gravity, CompassIcon icon)> WormholeInstances = new Dictionary<Wormhole, (GameObject, CompassIcon)>();
private List<ItemPickup> _loot = new List<ItemPickup>();
public Zone Zone { get; private set; }
public ItemManager ItemManager { get; set; }
public Entity PerspectiveEntity
{
get => _perspectiveEntity;
set
{
//if (_perspectiveEntity == value) return;
_perspectiveEntity = value;
_perspectiveSubscriptions[0]?.Dispose();
_perspectiveSubscriptions[1]?.Dispose();
if (value == null)
{
foreach (var e in EntityInstances.Values)
e.FadeOut(EntityFadeTime);
}
else
{
foreach (var entity in EntityInstances.Values)
entity.FadeOut(EntityFadeTime);
foreach (var entity in value.VisibleEntities)
EntityInstances[entity].FadeIn(EntityFadeTime);
EntityInstances[value].FadeIn(EntityFadeTime);
_perspectiveSubscriptions[0] = value.VisibleEntities.ObserveAdd()
.Subscribe(add => EntityInstances[add.Value].FadeIn(EntityFadeTime));
_perspectiveSubscriptions[1] = value.VisibleEntities.ObserveRemove()
.Where(removeEvent => EntityInstances.ContainsKey(removeEvent.Value))
.Subscribe(removeEvent => EntityInstances[removeEvent.Value].FadeOut(EntityFadeTime));
}
}
}
public float ViewDistance
{
set
{
_viewDistance = value;
foreach (var camera in FogCameras)
camera.orthographicSize = value;
SceneCamera.m_Lens.FarClipPlane = value * FarPlaneDistanceMultiplier;
FogMaterial.SetFloat("_DepthCeiling", value);
FogMaterial.SetFloat("_DepthBlend", FogFarFadeFraction * value);
}
}
public float MinimapDistance
{
set
{
_minimapDistance = value;
foreach (var camera in MinimapCameras)
camera.orthographicSize = value;
SetIconSize(value * Settings.MinimapIconSize);
// MinimapGravityQuad.transform.localScale = value * 2 * Vector3.one;
}
}
public bool ShowAsteroidUI
{
get { return _showAsteroidUI; }
set
{
if (value != _showAsteroidUI)
{
_showAsteroidUI = value;
foreach (var beltUI in _beltObjects.Values)
{
beltUI.Filter.gameObject.SetActive(_showAsteroidUI);
}
}
}
}
public void SetIconSize(float size)
{
foreach(var entityInstance in EntityInstances.Values) entityInstance.MapIcon.transform.localScale = Vector3.one * size;
foreach(var planet in Planets.Values) planet.Icon.transform.localScale = Vector3.one * size;
}
void Start()
{
var bigBounds = new Bounds(Vector3.zero, Vector3.one * 1024);
foreach (var mesh in AsteroidMeshes) mesh.Mesh.bounds = bigBounds;
ViewDistance = Settings.DefaultViewDistance;
MinimapDistance = Settings.MinimapZoomLevels[Settings.DefaultMinimapZoom];
_tourTimer = TourSwitchTime;
_transposer = SceneCamera.GetCinemachineComponent<CinemachineTransposer>();
}
public void LoadZone(Zone zone)
{
ClearZone();
_maxDepth = 0;
Zone = zone;
SectorBrushes.localScale = zone.Pack.Radius * 2 * Vector3.one;
SlimeGravityCamera.orthographicSize = zone.Pack.Radius;
SlimeRenderer.ZoneRadius = zone.Pack.Radius;
foreach (var p in zone.Planets.Values)
LoadPlanet(p);
_suns = Planets.Values.Where(p => p is SunObject).ToArray();
// foreach (var x in Planets)
// {
// if (!(zone.Planets[x.Key] is GasGiantData))
// {
//
// }
// }
foreach (var entity in zone.Entities)
{
Debug.Log($"Loading entity {entity.Name} from existing zone entity collection");
LoadEntity(entity);
}
_zoneSubscriptions.Add(zone.Entities.ObserveAdd().Subscribe(e =>
{
//Debug.Log($"Loading entity {e.Value.Name} from zone add event");
LoadEntity(e.Value);
}));
_zoneSubscriptions.Add(zone.Entities.ObserveRemove().Subscribe(e =>
{
//Debug.Log($"Unloading entity {e.Value.Name} from zone remove event");
UnloadEntity(e.Value);
}));
if (zone.GalaxyZone != null)
{
foreach (var adjacentZone in zone.GalaxyZone.AdjacentZones)
{
var dir = normalize(adjacentZone.Position - zone.GalaxyZone.Position);
AddWormhole(new Wormhole
{
Target = adjacentZone,
Position = dir * zone.Pack.Radius * Settings.WormholeDistanceRatio
});
}
}
}
public void AddWormhole(Wormhole wormhole)
{
var instance = Instantiate(WormholePrefab);
instance.position = new Vector3(wormhole.Position.x, 0, wormhole.Position.y);
var icon = CompassIconPrototype.Instantiate<CompassIcon>();
icon.Icon.sprite = WormholeIcon;
WormholeInstances.Add(wormhole, (instance.gameObject, icon));
}
public void ClearZone()
{
if (Zone == null) return;
foreach (var wormhole in WormholeInstances.Values)
{
Destroy(wormhole.gravity);
wormhole.icon.GetComponent<Prototype>().ReturnToPool();
}
WormholeInstances.Clear();
foreach (var subscription in _zoneSubscriptions)
subscription.Dispose();
_zoneSubscriptions.Clear();
foreach(var gridObject in _loot)
if(gridObject) Destroy(gridObject.gameObject);
_loot.Clear();
foreach (var entity in Zone.Entities)
{
Debug.Log($"Unloading entity {entity.Name} from entities remaining during clear!");
UnloadEntity(entity);
}
if (Planets.Count > 0)
{
foreach (var planet in Planets.Values)
{
DestroyImmediate(planet.gameObject);
}
Planets.Clear();
foreach (var beltObject in _beltObjects.Values)
{
Destroy(beltObject.Filter);
}
_beltObjects.Clear();
_beltMeshes.Clear();
_beltMatrices.Clear();
_tourPlanets.Clear();
}
}
void LoadEntity(Entity entity)
{
var hullData = ItemManager.GetData(entity.Hull) as HullData;
EntityInstance instance;
if (entity is Ship)
{
instance = Instantiate(UnityHelpers.LoadAsset<GameObject>(hullData.Prefab), ZoneRoot).GetComponent<ShipInstance>();
if (instance == null)
{
ItemManager.Log($"Failed to instantiate {hullData.Name} ship with invalid prefab: no ShipInstance component!");
return;
}
}
else
{
instance = Instantiate(UnityHelpers.LoadAsset<GameObject>(hullData.Prefab), ZoneRoot).GetComponent<EntityInstance>();
if (instance == null)
{
ItemManager.Log($"Failed to instantiate {hullData.Name} entity with invalid prefab: no EntityInstance component!");
return;
}
if (entity.HullData.HullType == HullType.Station)
{
instance.CompassIcon = CompassIconPrototype.Instantiate<CompassIcon>();
instance.CompassIcon.Icon.sprite = OrbitalIcon;
}
}
instance.SetEntity(this, entity);
EntityInstances.Add(entity, instance);
}
public void UnloadEntity(Entity entity)
{
foreach (var item in entity.Equipment)
{
foreach (var behavior in item.Behaviors)
{
if (behavior is IEventBehavior eventBehavior)
eventBehavior.ResetEvents();
}
}
Destroy(EntityInstances[entity].gameObject);
EntityInstances.Remove(entity);
}
void LoadPlanet(BodyData planetData)
{
if (planetData is AsteroidBeltData beltData)
{
var meshes = AsteroidMeshes.ToList();
while (meshes.Count > Settings.AsteroidMeshCount)
meshes.RemoveAt(Random.Range(0, meshes.Count));
_beltMeshes[planetData.ID] = meshes.ToArray();
_beltMatrices[planetData.ID] = new Matrix4x4[meshes.Count][];
var count = beltData.Asteroids.Length / meshes.Count;
var remainder = beltData.Asteroids.Length - count * meshes.Count;
for (int i = 0; i < meshes.Count; i++)
{
_beltMatrices[planetData.ID][i] = new Matrix4x4[i < meshes.Count - 1 ? count : count + remainder];
}
var beltObject = Instantiate(AsteroidBeltUI, ZoneRoot);
var collider = beltObject.GetComponent<MeshCollider>();
var belt = new AsteroidBeltUI(Zone,
Zone.AsteroidBelts[beltData.ID],
beltObject,
collider,
AsteroidSpritesheetWidth,
AsteroidSpritesheetHeight,
Settings.MinimapAsteroidSize);
_beltObjects[beltData.ID] = belt;
}
else
{
PlanetObject planet;
if (planetData is GasGiantData gasGiantData)
{
if (planetData is SunData sunData)
{
planet = Instantiate(Sun, ZoneRoot);
var sunObject = (SunObject) planet;
var sun = Zone.PlanetInstances[planetData.ID] as Sun;
sunData.LightColor.Subscribe(c => sunObject.Light.color = c.ToColor());
sun.LightRadius.Subscribe(r =>
{
sunObject.Light.range = r;
sunObject.FogTint.transform.localScale = r * Vector3.one;
});
sunData.FogTintColor.Subscribe(c => sunObject.FogTint.material.SetColor("_Color", c.ToColor()));
}
else planet = Instantiate(GasGiant, ZoneRoot);
var gas = (GasGiantObject) planet;
var gasGiant = Zone.PlanetInstances[planetData.ID] as GasGiant;
gasGiantData.Colors.Subscribe(c => gas.Body.material.SetTexture("_ColorRamp", c.ToGradient(!(planetData is SunData)).ToTexture()));
// gasGiantData.AlbedoRotationSpeed.Subscribe(f => gas.SunMaterial.AlbedoRotationSpeed = f);
// gasGiantData.FirstOffsetRotationSpeed.Subscribe(f => gas.SunMaterial.FirstOffsetRotationSpeed = f);
// gasGiantData.SecondOffsetRotationSpeed.Subscribe(f => gas.SunMaterial.SecondOffsetRotationSpeed = f);
// gasGiantData.FirstOffsetDomainRotationSpeed.Subscribe(f => gas.SunMaterial.FirstOffsetDomainRotationSpeed = f);
// gasGiantData.SecondOffsetDomainRotationSpeed.Subscribe(f => gas.SunMaterial.SecondOffsetDomainRotationSpeed = f);
gasGiant.GravityWavesRadius.Subscribe(f => gas.GravityWaves.transform.localScale = f * Vector3.one);
gasGiant.GravityWavesDepth.Subscribe(f => gas.GravityWaves.material.SetFloat("_Depth", f));
planetData.Mass.Subscribe(f => gas.GravityWaves.material.SetFloat("_Frequency", Settings.PlanetSettings.WaveFrequency.Evaluate(f)));
//gas.WaveScroll.Speed = Properties.GravitySettings.WaveSpeed.Evaluate(f);
}
else
{
planet = Instantiate(Planet, ZoneRoot);
var possibleSettings = Settings.BodySettingsCollections
.Where(p => p.MinimumMass < planetData.Mass.Value)
.MaxBy(p => p.MinimumMass).BodySettings;
planet.Generator.body = possibleSettings[Random.Range(0, possibleSettings.Length)];
//Debug.Log($"Generating planet with {planetData.Mass} mass! Choosing {planet.Generator.body.name} settings!");
//planet.Icon.material.mainTexture = planetData.Mass > Context.GlobalData.PlanetMass ? PlanetIcon : PlanetoidIcon;
}
var planetInstance = Zone.PlanetInstances[planetData.ID];
planetInstance.BodyRadius.Subscribe(f => { planet.Body.transform.localScale = f * Vector3.one; });
planetInstance.GravityWellRadius.Subscribe(f => planet.GravityWell.transform.localScale = f * Vector3.one);
planetInstance.GravityWellDepth.Subscribe(f =>
{
if (f > _maxDepth) _maxDepth = f;
planet.GravityWell.material.SetFloat("_Depth", f);
planet.Icon.transform.position = new Vector3(0, -f, 0);
});
planetInstance.BodyData.Mass.Subscribe(f => planet.Icon.transform.localScale = Settings.IconSize.Evaluate(f) * Vector3.one);
Planets[planetData.ID] = planet;
if (!_rootFound)
{
_rootFound = true;
_root = planet;
}
}
LODHandler.FindPlanets();
}
// private void Update()
// {
// if (Tour)
// {
// _tourTimer -= UnityEngine.Time.deltaTime;
// if (_tourTimer < 0)
// {
// _tourTimer = TourSwitchTime;
// _tourIndex = (_tourIndex + 1) % _tourPlanets.Count;
// SceneCamera.Follow = _tourPlanets[_tourIndex].Item1;
// SceneCamera.LookAt = _tourPlanets[_tourIndex].Item2;
// if(_tourIndex==0) Debug.Log("Tour Complete!");
// }
// // if(_tourIndex>=0)
// // {
// // var offset = (SceneCamera.Follow.position - SceneCamera.LookAt.position);
// // offset.y = 0;
// // offset = offset.normalized * TourFollowDistance;
// // offset.y = TourHeightOffset;
// // offset = Quaternion.AngleAxis(TourFollowOffsetDegrees, Vector3.up) * offset;
// // _transposer.m_FollowOffset = offset;
// // }
// }
// }
void Update()
{
foreach (var loot in _loot)
{
loot.ViewOrigin = PerspectiveEntity.Position;
loot.ViewDirection = PerspectiveEntity.LookDirection;
}
// if (SlimeRenderer.SpawnPositions.Length != _suns.Length)
// SlimeRenderer.SpawnPositions = new Vector2[_suns.Length];
// for (var i = 0; i < _suns.Length; i++)
// {
// SlimeRenderer.SpawnPositions[i] = _suns[i].Body.transform.position.Flatland();
// }
Shader.SetGlobalFloat("_AsteroidVerticalOffset", ActionGameManager.Instance.Settings.PlanetSettings.AsteroidVerticalOffset);
Plane[] planes = GeometryUtility.CalculateFrustumPlanes(MainCamera);
bool isVisible(Bounds bounds) => GeometryUtility.TestPlanesAABB(planes, bounds);
foreach (var (key, belt) in Zone.AsteroidBelts)
{
var height = Zone.GetHeight(belt.OrbitPosition);
if(isVisible(new Bounds(
new Vector3(belt.OrbitPosition.x,height,belt.OrbitPosition.y),
new Vector3(belt.Radius * 2,100,belt.Radius * 2))))
{
var meshes = _beltMeshes[key];
var matrices = _beltMatrices[key];
var count = belt.Transforms.Length / meshes.Length;
for (int i = 0; i < meshes.Length; i++)
{
for (int t = 0; t < matrices[i].Length; t++)
{
var tx = t + i * count;
var transform = belt.Transforms[tx];
matrices[i][t] = Matrix4x4.TRS(new Vector3(transform.x,0,transform.y),
Quaternion.Euler(
cos(transform.z + (float)i / meshes.Length) * 100,
sin(transform.z + (float)i / meshes.Length) * 100,
(float)tx / belt.Transforms.Length * 360),
Vector3.one * transform.w);
}
Graphics.DrawMeshInstanced(meshes[i].Mesh, 0, meshes[i].Material, matrices[i]);
}
}
if(_showAsteroidUI)
_beltObjects[key].Update(belt.Transforms, height);
}
foreach (var planet in Planets)
{
var planetInstance = Zone.PlanetInstances[planet.Key];
var p = Zone.GetOrbitPosition(planetInstance.BodyData.Orbit);
planet.Value.transform.position = new Vector3(p.x, 0, p.y);
planet.Value.Body.transform.localPosition = new Vector3(0, Zone.GetHeight(p) + planetInstance.BodyRadius.Value * 2, 0);
if (planet.Value is GasGiantObject gasGiantObject)
{
gasGiantObject.GravityWaves.material.SetFloat("_Phase",
Zone.Time * ((GasGiant) Zone.PlanetInstances[planet.Key]).GravityWavesSpeed.Value);
if (!(planet.Value is SunObject))
{
var toParent = normalize(Zone.GetOrbitPosition(Zone.Orbits[planetInstance.BodyData.Orbit].Data.Parent) - p);
gasGiantObject.SunMaterial.LightingDirection = new Vector3(toParent.x, 0, toParent.y);
}
}
else planet.Value.Body.transform.rotation *= Quaternion.AngleAxis(Settings.PlanetRotationSpeed, Vector3.up);
}
foreach (var entityInstance in EntityInstances.Values)
{
if(entityInstance.CompassIcon)
{
var difference = entityInstance.Entity.Position.xz - PerspectiveEntity.Position.xz;
var distance = length(difference);
entityInstance.CompassIcon.gameObject.SetActive(
PerspectiveEntity.EntityInfoGathered.ContainsKey(entityInstance.Entity) &&
PerspectiveEntity.EntityInfoGathered[entityInstance.Entity] > Settings.GameplaySettings.TargetDetectionInfoThreshold &&
distance > _minimapDistance);
entityInstance.CompassIcon.transform.rotation = Quaternion.Euler(0, 0, Mathf.Atan2(difference.y, difference.x) * Mathf.Rad2Deg - 90);
}
}
foreach (var wormhole in WormholeInstances.Values)
{
var difference = wormhole.gravity.transform.position.Flatland() - (Vector2)PerspectiveEntity.Position.xz;
var distance = difference.magnitude;
wormhole.icon.gameObject.SetActive(distance > _minimapDistance);
wormhole.icon.transform.rotation = Quaternion.Euler(0, 0, Mathf.Atan2(difference.y, difference.x) * Mathf.Rad2Deg - 90);
}
//var fogPos = FogCameraParent.position;
SectorBoundaryBrush.material.SetFloat("_Power", Settings.PlanetSettings.ZoneDepthExponent);
SectorBoundaryBrush.material.SetFloat("_Depth", Settings.PlanetSettings.ZoneDepth + Settings.PlanetSettings.ZoneBoundaryFog);
var startDepth = Zone.PowerPulse(Settings.MinimapZoneGravityRange, Settings.PlanetSettings.ZoneDepthExponent) *
Settings.PlanetSettings.ZoneDepth;
var depthRange = Settings.PlanetSettings.ZoneDepth - startDepth + _maxDepth;
foreach (var mat in MapGravityMaterials)
{
mat.SetFloat("_StartDepth", startDepth);
mat.SetFloat("_DepthRange", depthRange);
}
//Shader.SetGlobalFloat("_GridOffset", Settings.PlanetSettings.ZoneBoundaryFog);
// var gravPos = MinimapGravityQuad.transform.position;
// gravPos.y = -Settings.PlanetSettings.ZoneDepth - _maxDepth;
// MinimapGravityQuad.transform.position = gravPos;
// MinimapTintQuad.transform.position = gravPos - Vector3.up*10;
}
public void DestroyLoot(ItemPickup loot)
{
_loot.Remove(loot);
}
public void DropItem(Vector3 position, Vector3 velocity, ItemInstance item)
{
var gridObject = item switch
{
SimpleCommodity _ => Instantiate(SimpleCommodityPickup),
CompoundCommodity _ => Instantiate(CompoundCommodityPickup),
EquippableItem equippableItem when ItemManager.GetData(equippableItem) is WeaponItemData => Instantiate(WeaponPickup),
EquippableItem _ => Instantiate(GearPickup)
};
var t = gridObject.transform;
t.parent = ZoneRoot;
gridObject.Zone = Zone;
t.position = position;
gridObject.Velocity = velocity;
var itemPickup = gridObject.gameObject.GetComponent<ItemPickup>();
itemPickup.Item = item;
itemPickup.ZoneRenderer = this;
itemPickup.ScanLabel.text = item.Data.Value.Name;
if (item is CraftedItemInstance craftedItemInstance)
{
var c = ItemManager.GetTier(craftedItemInstance).tier.Color.ToColor();
c.a = 0;
itemPickup.ScanLabel.color = c;
}
else itemPickup.ScanLabel.color = new Color(.75f, .75f, .75f, 0);
gridObject.gameObject.AddComponent<TimedDestroy>().Duration = Settings.PickupLifetime;
_loot.Add(itemPickup);
}
}
[Serializable]
public class InstancedMesh
{
public Mesh Mesh;
public Material Material;
}
public class AsteroidBeltUI
{
public MeshFilter Filter;
private MeshCollider _collider;
private Vector3[] _vertices;
private Vector3[] _normals;
private Vector2[] _uvs;
private int[] _indices;
private Guid _orbitParent;
private Mesh _mesh;
private float _size;
private Zone _zone;
private AsteroidBelt _belt;
private float _scale;
public AsteroidBeltUI(Zone zone,
AsteroidBelt belt,
MeshFilter meshFilter,
MeshCollider collider,
int spritesheetWidth,
int spritesheetHeight,
float scale)
{
_belt = belt;
_zone = zone;
Filter = meshFilter;
_collider = collider;
var orbit = zone.Orbits[belt.Data.Orbit];
_orbitParent = orbit.Data.Parent;
_vertices = new Vector3[_belt.Data.Asteroids.Length * 4];
_normals = new Vector3[_belt.Data.Asteroids.Length * 4];
_uvs = new Vector2[_belt.Data.Asteroids.Length * 4];
_indices = new int[_belt.Data.Asteroids.Length * 6];
_scale = scale;
var maxDist = 0f;
var spriteSize = float2(1f / spritesheetWidth, 1f / spritesheetHeight);
// vertex order: bottom left, top left, top right, bottom right
for (var i = 0; i < belt.Data.Asteroids.Length; i++)
{
if (belt.Data.Asteroids[i].Distance > maxDist)
maxDist = belt.Data.Asteroids[i].Distance;
var spriteX = Random.Range(0, spritesheetWidth);
var spriteY = Random.Range(0, spritesheetHeight);
_uvs[i * 4] = new Vector2(spriteX * spriteSize.x, spriteY * spriteSize.y);
_uvs[i * 4 + 1] = new Vector2(spriteX * spriteSize.x, spriteY * spriteSize.y + spriteSize.y);
_uvs[i * 4 + 2] = new Vector2(spriteX * spriteSize.x + spriteSize.x, spriteY * spriteSize.y + spriteSize.y);
_uvs[i * 4 + 3] = new Vector2(spriteX * spriteSize.x + spriteSize.x, spriteY * spriteSize.y);
_indices[i * 6] = i * 4;
_indices[i * 6 + 1] = i * 4 + 1;
_indices[i * 6 + 2] = i * 4 + 3;
_indices[i * 6 + 3] = i * 4 + 3;
_indices[i * 6 + 4] = i * 4 + 1;
_indices[i * 6 + 5] = i * 4 + 2;
}
for (var i = 0; i < _normals.Length; i++)
{
_normals[i] = -Vector3.forward;
}
_mesh = new Mesh();
_mesh.vertices = _vertices;
_mesh.uv = _uvs;
_mesh.triangles = _indices;
_mesh.normals = _normals;
_mesh.bounds = new Bounds(Vector3.zero, Vector3.one * maxDist);
_size = maxDist;
Filter.mesh = _mesh;
//_collider.sharedMesh = _mesh;
}
public void Update(float4[] transforms, float height)
{
var parentPosition = _belt.OrbitPosition;
for (var i = 0; i < transforms.Length; i++)
{
var transform = transforms[i];
var rotation = Quaternion.Euler(90, transform.z, 0);
var position = new Vector3(transform.x, height, transform.y);
_vertices[i * 4] = rotation * new Vector3(-transform.w * _scale, -transform.w * _scale, 0) + position;
_vertices[i * 4 + 1] = rotation * new Vector3(-transform.w * _scale, transform.w * _scale, 0) + position;
_vertices[i * 4 + 2] = rotation * new Vector3(transform.w * _scale, transform.w * _scale, 0) + position;
_vertices[i * 4 + 3] = rotation * new Vector3(transform.w * _scale, -transform.w * _scale, 0) + position;
}
_mesh.bounds = new Bounds(new Vector3(parentPosition.x, 0, parentPosition.y), Vector3.one * (_size * 2));
_mesh.vertices = _vertices;
//_collider.sharedMesh = _mesh;
}
}