max/Nerfed
1
0
Fork 0
Code Issues 7 Pull Requests Actions Packages Projects 2 Releases Wiki Activity

Naming, comments and local to world update

Browse Source
This commit is contained in:
max
2024-10-13 01:05:46 +02:00
parent 30deeca452
commit b3adef3a40
3 changed files with 48 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
Nerfed.Runtime/Util/Transform.cs
View File

@ -1,4 +1,6 @@
using Nerfed.Runtime.Components;
using MoonTools.ECS;
using Nerfed.Runtime.Components;
using System.Collections.Generic;
using System.Numerics;
namespace Nerfed.Runtime.Util
@ -21,5 +23,36 @@ namespace Nerfed.Runtime.Util
Matrix4x4.CreateFromQuaternion(localTransform.rotation) *
Matrix4x4.CreateTranslation(localTransform.position);
}
// Force update the transform data of an entity (and children).
// Useful for when you need precise up to date transform data.
public static void ForceUpdateLocalToWorld(in World world, in Entity entity)
{
Matrix4x4 parentLocalToWorldMatrix = Matrix4x4.Identity;
if (world.Has<Parent>(entity))
{
Entity parent = world.Get<Parent>(entity).parentEntity;
parentLocalToWorldMatrix = world.Get<LocalToWorld>(parent).localToWorldMatrix;
}
ForceUpdateLocalToWorld(world, entity, parentLocalToWorldMatrix);
}
private static void ForceUpdateLocalToWorld(in World world, in Entity entity, in Matrix4x4 parentLocalToWorldMatrix)
{
LocalTransform localTransform = world.Get<LocalTransform>(entity);
Matrix4x4 localToWorldMatrix = Matrix4x4.Multiply(parentLocalToWorldMatrix, localTransform.TRS());
LocalToWorld localToWorld = new(localToWorldMatrix);
world.Set(entity, localToWorld);
Log.Info($"Entity {entity} | local position {localTransform.position} | world position {localToWorldMatrix.Translation}");
ReverseSpanEnumerator<Entity> childEntities = world.OutRelations<ChildRelation>(entity);
foreach (Entity childEntity in childEntities)
{
ForceUpdateLocalToWorld(world, childEntity, parentLocalToWorldMatrix);
}
}
}
}