108 lines
3.6 KiB
C#
108 lines
3.6 KiB
C#
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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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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// © 2015-2020 crosstales LLC (https://www.crosstales.com) |