wehub-resource-sync
48 lines
1.6 KiB
C#
48 lines
1.6 KiB
C#
using T3.Core.Utils;
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namespace Lib.numbers.vec2;
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[Guid("310e174e-ea52-4c54-90e6-72dc8320118a")]
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internal sealed class GridPosition : Instance<GridPosition>
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{
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[Output(Guid = "bf470007-4c7c-4915-a402-98bf6cead2dc")]
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public readonly Slot<Vector2> Position = new();
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[Output(Guid = "D11A64D7-F8D3-4A97-AD51-2B80200A6E1A")]
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public readonly Slot<Vector2> Size = new();
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public GridPosition()
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{
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Position.UpdateAction += Update;
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}
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private void Update(EvaluationContext context)
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{
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var index = Index.GetValue(context);
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var size = RasterSize.GetValue(context);
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var columns = size.Width.Clamp(1, 10000);
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var rows = size.Height.Clamp(1, 10000);
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var row = index / columns;
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var column = index - (row * columns);
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var aspectRatio = (float)context.RequestedResolution.Width / context.RequestedResolution.Height;
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var sizeValue = new Vector2( 1f/ columns,
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1f / rows );
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var x = ((float)column / columns - 0.5f) * aspectRatio * 2 + sizeValue.X * aspectRatio;
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var y = (((float)(rows- row -1) / (float)rows) - 0.5f ) * 2 + sizeValue.Y;
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Size.Value = sizeValue;
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Position.Value = new Vector2(x, y);
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}
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[Input(Guid = "854731fb-bbc9-48e7-9bcb-45bc53340945")]
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public readonly InputSlot<Vector2> A = new();
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[Input(Guid = "2FA305B7-42FC-44FA-BFCF-219916F93EEF")]
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public readonly InputSlot<Int2> RasterSize = new();
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[Input(Guid = "938103EE-65BD-4F5E-AE5E-5635DC53E3E6")]
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public readonly InputSlot<int> Index = new();
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} |