wehub-resource-sync
52 lines
1.7 KiB
C#
52 lines
1.7 KiB
C#
namespace Lib.render.@_;
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[Guid("68e2031d-20ac-4a2e-a407-fc2cbd76aad2")]
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internal sealed class ApplyCamTransform :Instance<ApplyCamTransform>{
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[Output(Guid = "928cca95-8d55-4c42-99d3-2f73747a508f")]
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public readonly Slot<Command> Output = new();
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public ApplyCamTransform()
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{
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Output.UpdateAction += Update;
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}
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private void Update(EvaluationContext context)
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{
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var obj = CamReference.GetValue(context);
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if (obj == null)
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{
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Log.Warning("Camera reference is undefined", this);
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return;
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}
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if (obj is not ICamera camera)
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{
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Log.Warning("Can't GetCamProperties from invalid reference type", this);
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return;
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}
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var camToClipSpace = camera.CameraToClipSpace;
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var worldToCam = camera.WorldToCamera;
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Matrix4x4.Invert(worldToCam, out var camToWorld);
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var scaleX = 1f / camToClipSpace.M11;
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var scaleY = 1f / camToClipSpace.M22;
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var camScale = Matrix4x4.CreateScale(scaleX, scaleY, 1f);
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// Apply scale in camera space before transforming to world space.
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var camToWorldScaled = Matrix4x4.Multiply(camScale, camToWorld);
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// Apply and evaluate
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var previousObjectToWorld = context.ObjectToWorld;
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context.ObjectToWorld = Matrix4x4.Multiply(camToWorldScaled, context.ObjectToWorld);
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Command.GetValue(context);
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context.ObjectToWorld = previousObjectToWorld;
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}
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[Input(Guid = "088fb8fd-df11-4de1-88a8-73cb8077eb9b")]
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public readonly InputSlot<Command> Command = new();
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[Input(Guid = "46C15ED4-D05A-4CAF-AEF7-80667D98FC3D")]
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public readonly InputSlot<object> CamReference = new();
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} |