wehub-resource-sync
115 lines
3.6 KiB
C#
115 lines
3.6 KiB
C#
using T3.Core.Animation;
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using T3.Core.Utils;
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using static T3.Core.Utils.EasingFunctions;
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namespace Lib.numbers.@vec2.process;
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[Guid("42b8c3bc-1425-4592-98e3-c4acacd84348")]
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internal sealed class EaseVec2Keys : Instance<EaseVec2Keys>
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{
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[Output(Guid = "3288ad72-ade9-4e74-8885-87c1bc3579b8", DirtyFlagTrigger = DirtyFlagTrigger.Animated)]
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public readonly Slot<Vector2> Result = new();
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public EaseVec2Keys()
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{
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Result.UpdateAction = Update;
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}
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private void Update(EvaluationContext context)
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{
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var inputValue = Value.GetValue(context);
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if (!TryFindCurves(out var curves))
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{
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Result.Value = inputValue;
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return;
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}
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var easeMode = Interpolation.GetEnumValue<Interpolations>(context); // Easing function selector
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var easeDirection = Direction.GetEnumValue<EaseDirection>(context);
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var currentTime = context.LocalTime;
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for (var i = 0; i < curves.Length; i++)
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{
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var curve = curves[i];
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_keyframes = curve.GetVDefinitions().ToList();
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float duration;
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if (
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TryFindClosestKeys(currentTime, curve, out var nearestKeys)
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&& nearestKeys.Item1.OutInterpolation != VDefinition.KeyInterpolation.Constant
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)
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{
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var (previousKey, nextKey) = nearestKeys;
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_startTime[i] = (float)previousKey.U;
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_initialValue[i] = (float)previousKey.Value;
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_targetValue[i] = (float)nextKey.Value;
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duration = Math.Max((float)(nextKey.U - previousKey.U), 0.0001f);
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}
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else
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{
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Result.Value[i] = inputValue[i];
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continue;
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}
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// Calculate progress based on elapsed time and duration
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var elapsedTime = (float)currentTime - _startTime[i];
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var progress = (elapsedTime / duration).Clamp(0f, 1f);
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var easedProgress = ApplyEasing(progress, easeDirection, easeMode);
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Result.Value[i] = MathUtils.Lerp(_initialValue[i], _targetValue[i], easedProgress);
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}
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}
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private bool TryFindCurves(out Curve[] curves)
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{
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curves = null;
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var animator = Parent.Symbol.Animator;
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_keyframes.Clear();
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if (!animator.IsAnimated(SymbolChildId, Value.Id))
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return false;
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if (!animator.TryGetCurvesForInputSlot(Value, out var _curves))
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return false;
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if (_curves.Length == 0)
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return false;
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curves = _curves;
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return true;
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}
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private static bool TryFindClosestKeys(double time, Curve curve, out Tuple<VDefinition, VDefinition> closestKeys)
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{
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closestKeys = null;
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curve.TryGetPreviousKey(time, out var previousKey);
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curve.TryGetNextKey(time, out var nextKey);
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if (previousKey == null || nextKey == null)
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{
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return false;
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}
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closestKeys = new(previousKey, nextKey);
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return true;
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}
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private List<VDefinition> _keyframes = [];
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// Ease.cs
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private Vector2 _startTime = Vector2.Zero;
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private Vector2 _initialValue = Vector2.Zero;
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private Vector2 _targetValue = Vector2.Zero;
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[Input(Guid = "68f2144e-e749-4193-86d5-f923f2f155d0")]
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public readonly InputSlot<Vector2> Value = new();
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[Input(Guid = "944dfd8a-0e4b-4387-b420-d1c6a69fdeef", MappedType = typeof(EaseDirection))]
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public readonly InputSlot<int> Direction = new();
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[Input(Guid = "fba596d6-bb06-43ad-921e-ea55da365fc2", MappedType = typeof(Interpolations))]
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public readonly InputSlot<int> Interpolation = new();
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}
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