55 lines
1.6 KiB
C#
55 lines
1.6 KiB
C#
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#if UNITY_EDITOR
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using System.Collections.Generic;
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namespace GSpawn
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{
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public enum IntPatternWrapMode
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{
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Clamp = 0,
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Repeat,
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Mirror
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}
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public abstract class IntPatternSampler
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{
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public abstract int sample(List<int> values, int index);
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public static IntPatternSampler create(IntPatternWrapMode wrapMode)
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{
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if (wrapMode == IntPatternWrapMode.Repeat) return new RepeatIntegerPatternSampler();
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if (wrapMode == IntPatternWrapMode.Clamp) return new ClampIntegerPatternSampler();
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if (wrapMode == IntPatternWrapMode.Mirror) return new MirrorIntegerPatternSampler();
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return null;
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}
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}
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public class ClampIntegerPatternSampler : IntPatternSampler
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{
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public override int sample(List<int> values, int index)
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{
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int numValues = values.Count;
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return index < numValues ? values[index] : values[numValues - 1];
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}
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}
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public class RepeatIntegerPatternSampler : IntPatternSampler
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{
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public override int sample(List<int> values, int index)
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{
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return values[index % values.Count];
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}
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}
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public class MirrorIntegerPatternSampler : IntPatternSampler
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{
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public override int sample(List<int> values, int index)
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{
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int numValues = values.Count;
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int groupIndex = index / numValues;
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if (groupIndex % 2 == 0) return values[index % numValues];
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else return values[numValues - 1 - (index % numValues)];
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}
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}
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}
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#endif
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