wehub-resource-sync
84 lines
3.3 KiB
C#
84 lines
3.3 KiB
C#
using T3.Core.Utils.Geometry;
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namespace Lib.render.transform;
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[Guid("50cc7ae4-7064-436e-862e-b8f2a709409c")]
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internal sealed class SpreadIntoGrid : Instance<SpreadIntoGrid>
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{
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[Output(Guid = "24fd79e3-ad3a-4c27-9b97-48226dd990e0")]
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public readonly Slot<Command> Output = new();
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public SpreadIntoGrid()
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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 spread = Spread.GetValue(context) * SpreadScale.GetValue(context);
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var commands = Commands.CollectedInputs;
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if (commands.Count == 1)
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spread = Vector3.Zero;
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var count = commands.Count;
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var gridSize = GridSize.GetValue(context);
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if (gridSize.X < 1) gridSize.X = 1;
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if (gridSize.Y < 1) gridSize.Y = 1;
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if (gridSize.Z < 1) gridSize.Z = 1;
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var previousWorldTobject = context.ObjectToWorld;
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var originalObjectToWorld = context.ObjectToWorld;
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for (var spreadIndex = 0; spreadIndex < commands.Count; spreadIndex++)
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{
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var t1 = commands[spreadIndex];
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var spreadXIndex = spreadIndex % (gridSize.X);
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var spreadYIndex = spreadIndex / gridSize.X;
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var spreadZIndex = spreadIndex / (gridSize.X * gridSize.Y);
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// var countX = Math.Min(gridSize.X, count);
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// var countY = count / (gridSize.X);
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// var countZ = count / (gridSize.X * gridSize.Z);
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//var f = count <= 1 ? 0: (0.5f - ((float)spreadIndex / (count-1) - 0.5f));
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var fX = gridSize.X <= 1 ? 0 : (float)spreadXIndex / (gridSize.X - 1)-0.5f ;
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var fY = gridSize.Y <= 1 ? 0 : 0.5f - (float)spreadYIndex / (gridSize.Y - 1);
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var fZ = gridSize.Z <= 1 ? 0 : 0.5f - (float)spreadZIndex / (gridSize.Z - 1);
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var tSpreaded = spread * new Vector3(fX, fY, fZ);
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// Build and set transform matrix
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var objectToParentObject
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= GraphicsMath.CreateTransformationMatrix(scalingCenter: Vector3.Zero,
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scalingRotation: Quaternion.Identity,
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scaling: Vector3.One,
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rotationCenter: Vector3.Zero,
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rotation: Quaternion.Identity,
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translation: tSpreaded);
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context.ObjectToWorld = Matrix4x4.Multiply(objectToParentObject, originalObjectToWorld);
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t1.Value?.PrepareAction?.Invoke(context);
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t1.GetValue(context);
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t1.Value?.RestoreAction?.Invoke(context);
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}
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context.ObjectToWorld = previousWorldTobject;
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Commands.DirtyFlag.Clear();
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}
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[Input(Guid = "bf7c70a5-7b3b-4245-8066-ad17b4eb72cf")]
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public readonly MultiInputSlot<Command> Commands = new();
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[Input(Guid = "8ed3e486-134a-4047-8f8c-7427f1bde6b9")]
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public readonly InputSlot<Vector3> Spread = new();
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[Input(Guid = "7C3E1BE9-0EE5-4762-9ABF-8AB908FED1B1")]
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public readonly InputSlot<float> SpreadScale = new();
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[Input(Guid = "E7C44D76-44A1-47D7-B31D-7F3A8ED759F7")]
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public readonly InputSlot<Int3> GridSize = new();
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} |