38 lines
1.2 KiB
C#
38 lines
1.2 KiB
C#
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using UnityEngine.VFX;
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namespace UnityEngine.VFX.Utility
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{
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[AddComponentMenu("VFX/Property Binders/Previous Position Binder")]
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[VFXBinder("Transform/Position (Previous)")]
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class VFXPreviousPositionBinder : VFXSpaceableBinder
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{
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[VFXPropertyBinding("UnityEngine.Vector3")]
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public ExposedProperty m_Property = "PreviousPosition";
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public Transform Target = null;
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Vector3 oldPosition;
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protected override void OnEnable()
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{
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base.OnEnable();
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oldPosition = Target != null ? Target.position : Vector3.zero;
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}
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public override bool IsValid(VisualEffect component)
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{
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return Target != null && component.HasVector3(m_Property);
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}
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public override void UpdateBinding(VisualEffect component)
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{
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component.SetVector3(m_Property, oldPosition);
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var currentPosition = ApplySpacePosition(component, m_Property, Target.position);
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oldPosition = currentPosition;
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}
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public override string ToString()
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{
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return string.Format("Previous Position : '{0}' -> {1}", m_Property, Target == null ? "(null)" : Target.name);
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}
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}
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}
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