wehub-resource-sync
72 lines
2.6 KiB
C#
72 lines
2.6 KiB
C#
using T3.Core.Utils;
|
|
using T3.Core.Utils.Geometry;
|
|
|
|
namespace Lib.render.transform;
|
|
|
|
[Guid("8373c170-a140-4ce4-b59b-47f42fb71700")]
|
|
internal sealed class RotateTowards : Instance<RotateTowards>
|
|
{
|
|
[Output(Guid = "772609fe-ec92-43a9-b8c6-9055bbf0310b")]
|
|
public readonly Slot<Command> Output = new();
|
|
|
|
public RotateTowards()
|
|
{
|
|
Output.UpdateAction += Update;
|
|
}
|
|
|
|
private void Update(EvaluationContext context)
|
|
{
|
|
var targetMode = LookTowards.GetEnumValue<Modes>(context);
|
|
var targetPos = AlternativeTarget.GetValue(context);
|
|
|
|
Vector3 targetPosDx;
|
|
if (targetMode == Modes.TowardsCamera)
|
|
{
|
|
//TransformCallback?.Invoke(this, context); // this this is stupid stupid
|
|
Matrix4x4.Invert(context.WorldToCamera, out var camToWorld);
|
|
targetPosDx = Vector4.Transform(new Vector4(0f, 0f, 0f, 1f), camToWorld).ToVector3();
|
|
}
|
|
else
|
|
{
|
|
targetPosDx = targetPos;
|
|
}
|
|
|
|
var sourcePos = Vector4.Transform( new Vector4(0,0,0,1), context.ObjectToWorld).ToVector3();
|
|
|
|
var lookAt = GraphicsMath.LookAtRH(Vector3.Zero , -targetPosDx + sourcePos, VectorT3.Up);
|
|
Matrix4x4.Invert(lookAt, out lookAt);
|
|
|
|
var rotationOffset = RotationOffset.GetValue(context);
|
|
var rotateOffset = Matrix4x4.CreateFromYawPitchRoll(
|
|
rotationOffset.Y.ToRadians(),
|
|
rotationOffset.X.ToRadians(),
|
|
rotationOffset.Z.ToRadians());
|
|
|
|
lookAt = Matrix4x4.Multiply( rotateOffset, lookAt);
|
|
|
|
|
|
var previousWorldTobject = context.ObjectToWorld;
|
|
context.ObjectToWorld = Matrix4x4.Multiply(lookAt, context.ObjectToWorld);
|
|
Command.GetValue(context);
|
|
context.ObjectToWorld = previousWorldTobject;
|
|
}
|
|
|
|
[Input(Guid = "ae8b45e6-e72f-40fe-8ff9-34cd9fffc164")]
|
|
public readonly InputSlot<Command> Command = new();
|
|
|
|
[Input(Guid = "1ce44784-db0d-42ab-b00b-09a1ef2e9042")]
|
|
public readonly InputSlot<Vector3> AlternativeTarget = new();
|
|
|
|
[Input(Guid = "a000747f-578f-4367-bc47-e8bb56252043")]
|
|
public readonly InputSlot<Vector3> RotationOffset = new();
|
|
|
|
|
|
[Input(Guid = "CCD2CC62-AD7B-420A-95D4-243257291619", MappedType = typeof(Modes))]
|
|
public readonly InputSlot<int> LookTowards = new();
|
|
|
|
private enum Modes
|
|
{
|
|
TowardsCamera,
|
|
TowardsPosition,
|
|
}
|
|
} |