wehub-resource-sync
71 lines
2.1 KiB
C#
71 lines
2.1 KiB
C#
#nullable enable
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using T3.Editor.Gui.UiHelpers;
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namespace T3.Editor.Gui.Interaction.Snapping;
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/// <summary>
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/// Helper struct to pass return values
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/// </summary>
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/// <remarks>
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/// Snap behaviour is implemented through an instance of a ValueSnapHandler and
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/// any number of ValueSnapProviders registering to the SnapHandler. When manipulating
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/// the value by dragging or other interactions, you can constantly check the SnapHandler
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/// if the current value would snap to a new value coming from any of the registered
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/// SnapProviders.
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/// </remarks>
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public sealed class SnapResult
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{
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internal SnapResult(double targetValue, float canvasScale = 1)
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{
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TargetValue = targetValue;
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CanvasScale = canvasScale;
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}
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internal void TryToImproveWithAnchorValueList(IEnumerable<double> anchorValue)
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{
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foreach (var v in anchorValue)
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{
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TryToImproveWithAnchorValue(v);
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}
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}
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internal void TryToImproveWithAnchorValue(double anchorValue)
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{
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var snapThresholdOnCanvas = UserSettings.Config.SnapStrength / CanvasScale;
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var distance = Math.Abs(anchorValue - TargetValue);
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var newForce = Math.Max(0, Math.Abs(snapThresholdOnCanvas) - distance);
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if (newForce < 0.00001)
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return;
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if (IsValid && BestForce > newForce)
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return;
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BestForce = newForce;
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BestAnchorValue = anchorValue;
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IsValid = true;
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}
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public void ResetForTargetValue(double targetValue, float canvasScale = 1)
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{
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TargetValue = targetValue;
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CanvasScale = canvasScale;
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IsValid = false;
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BestAnchorValue = double.NaN;
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BestForce = 0;
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}
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internal float CanvasScale;
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internal double TargetValue;
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internal bool IsValid;
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internal double BestAnchorValue;
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internal double BestForce;
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internal Orientations Orientation = Orientations.Unknown;
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public enum Orientations
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{
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Unknown,
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Horizontal,
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Vertical,
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}
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} |