47 lines
1.7 KiB
C#
47 lines
1.7 KiB
C#
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using UnityEditor.EditorTools;
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using UnityEngine;
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using UnityEngine.Splines;
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namespace Unity.Splines.Examples
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{
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public abstract class SplineDataToolBase<DataType> : EditorTool
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{
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protected const float k_HandleSize = 0.15f;
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protected bool DrawDataPoints(ISpline spline, SplineData<DataType> splineData)
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{
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var inUse = false;
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for(int dataFrameIndex = 0; dataFrameIndex < splineData.Count; dataFrameIndex++)
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{
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var dataPoint = splineData[dataFrameIndex];
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var normalizedT = SplineUtility.GetNormalizedInterpolation(spline, dataPoint.Index, splineData.PathIndexUnit);
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spline.Evaluate(normalizedT, out var position, out var tangent, out var up);
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if(DrawDataPoint(position, tangent, up, dataPoint.Value, out var result))
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{
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dataPoint.Value = result;
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splineData[dataFrameIndex] = dataPoint;
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inUse = true;
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}
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}
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return inUse;
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}
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/// <summary>
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/// User defined method, for simplicity here, all the SplineData Tools have to override the same DrawDataPoint method for consistency between tools
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/// </summary>
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/// <param name="position"></param>
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/// <param name="tangent"></param>
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/// <param name="up"></param>
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/// <param name="inValue"></param>
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/// <param name="outValue"></param>
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/// <returns>True if the dataPoint is manipulated, else false.</returns>
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protected abstract bool DrawDataPoint(
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Vector3 position,
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Vector3 tangent,
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Vector3 up,
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DataType inValue,
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out DataType outValue);
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}
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}
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