38 lines
1.4 KiB
C#
38 lines
1.4 KiB
C#
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using System.Threading.Tasks;
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using UnityEngine.UIElements;
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namespace Edgegap.Editor
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{
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/// <summary>Slightly shake a UI button to indicate attention.</summary>
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public class ButtonShaker
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{
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const string SHAKE_START_CLASS = "shakeStart";
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const string SHAKE_STOP_CLASS = "shakeEnd";
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private Button targetButton;
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public ButtonShaker(Button buttonToShake) =>
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targetButton = buttonToShake;
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/// <summary>Shake the button x times for x msDelayBetweenShakes each.
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/// 1 shake = 1 bigger -> followed by 1 smaller.</summary>
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/// <param name="msDelayBetweenShakes"></param>
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/// <param name="iterations"># of shakes</param>
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public async Task ApplyShakeAsync(int msDelayBetweenShakes = 40, int iterations = 2)
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{
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for (int i = 0; i < iterations; i++)
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await shakeOnce(msDelayBetweenShakes);
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}
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private async Task shakeOnce(int msDelayBetweenShakes)
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{
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targetButton.AddToClassList(SHAKE_START_CLASS);
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await Task.Delay(msDelayBetweenShakes); // duration of the first transition
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targetButton.RemoveFromClassList(SHAKE_START_CLASS);
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targetButton.AddToClassList(SHAKE_STOP_CLASS);
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await Task.Delay(msDelayBetweenShakes); // duration of the second transition
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targetButton.RemoveFromClassList(SHAKE_STOP_CLASS);
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}
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}
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}
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