109 lines
3.7 KiB
C#
109 lines
3.7 KiB
C#
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using UnityEngine;
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namespace Crosstales.Common.Util
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{
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/// <summary>Random scale changer.</summary>
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[DisallowMultipleComponent]
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public class RandomScaler : MonoBehaviour
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{
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#region Variables
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///<summary>Use intervals to change the scale (default: true).</summary>
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[Tooltip("Use intervals to change the scale (default: true).")] public bool UseInterval = true;
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///<summary>Random change interval between min (= x) and max (= y) in seconds (default: x = 10, y = 20).</summary>
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[Tooltip("Random change interval between min (= x) and max (= y) in seconds (default: x = 10, y = 20).")]
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public Vector2 ChangeInterval = new Vector2(10, 20);
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///<summary>Minimum scale per axis (default: 0.1 for all axis).</summary>
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[Tooltip("Minimum rotation speed per axis (default: 5 for all axis).")] public Vector3 ScaleMin = new Vector3(0.1f, 0.1f, 0.1f);
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///<summary>Maximum scale per axis (default: 0.1 for all axis).</summary>
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[Tooltip("Maximum scale per axis (default: 0.1 for all axis).")] public Vector3 ScaleMax = new Vector3(3, 3, 3);
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///<summary>Uniform scaling for all axis (x-axis values will be used, default: true).</summary>
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[Tooltip("Uniform scaling for all axis (x-axis values will be used, default: true).")] public bool Uniform = true;
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///<summary>Set the object to a random scale at Start (default: false).</summary>
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[Tooltip("Set the object to a random scale at Start (default: false).")] public bool RandomScaleAtStart;
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private Transform _tf;
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private Vector3 _startScale;
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private Vector3 _endScale;
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private float _elapsedTime;
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private float _changeTime;
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private float _lerpTime;
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#endregion
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#region MonoBehaviour methods
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private void Start()
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{
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_tf = transform;
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_elapsedTime = _changeTime = Random.Range(ChangeInterval.x, ChangeInterval.y);
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if (RandomScaleAtStart)
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{
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if (Uniform)
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{
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_startScale.x = _startScale.y = _startScale.z = Random.Range(ScaleMin.x, Mathf.Abs(ScaleMax.x));
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}
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else
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{
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_startScale.x = Random.Range(ScaleMin.x, Mathf.Abs(ScaleMax.x));
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_startScale.y = Random.Range(ScaleMin.y, Mathf.Abs(ScaleMax.y));
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_startScale.z = Random.Range(ScaleMin.z, Mathf.Abs(ScaleMax.z));
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}
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_tf.localScale = _startScale;
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}
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else
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{
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_startScale = _tf.localScale;
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}
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}
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private void Update()
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{
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if (UseInterval)
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{
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_elapsedTime += Time.deltaTime;
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if (_elapsedTime > _changeTime)
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{
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_lerpTime = _elapsedTime = 0f;
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if (Uniform)
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{
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_endScale.x = _endScale.y = _endScale.z = Random.Range(ScaleMin.x, Mathf.Abs(ScaleMax.x));
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}
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else
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{
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_endScale.x = Random.Range(ScaleMin.x, Mathf.Abs(ScaleMax.x));
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_endScale.y = Random.Range(ScaleMin.y, Mathf.Abs(ScaleMax.y));
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_endScale.z = Random.Range(ScaleMin.z, Mathf.Abs(ScaleMax.z));
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}
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_changeTime = Random.Range(ChangeInterval.x, ChangeInterval.y);
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}
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_tf.localScale = Vector3.Lerp(_startScale, _endScale, _lerpTime);
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if (_lerpTime < 1f)
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{
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_lerpTime += Time.deltaTime / (_changeTime - 0.1f);
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}
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else
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{
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_startScale = _tf.localScale;
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}
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}
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}
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#endregion
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}
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}
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// © 2015-2023 crosstales LLC (https://www.crosstales.com)
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