81 lines
2.4 KiB
C#
81 lines
2.4 KiB
C#
using TARGET = UnityEngine.CanvasGroup;
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namespace Lean.Transition.Method
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{
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/// <summary>This component allows you to transition the CanvasGroup's alpha value.</summary>
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[UnityEngine.HelpURL(LeanTransition.HelpUrlPrefix + "LeanCanvasGroupAlpha")]
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[UnityEngine.AddComponentMenu(LeanTransition.MethodsMenuPrefix + "CanvasGroup/CanvasGroup.alpha" + LeanTransition.MethodsMenuSuffix + "(LeanCanvasGroupAlpha)")]
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public class LeanCanvasGroupAlpha : LeanMethodWithStateAndTarget
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{
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public override System.Type GetTargetType()
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{
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return typeof(TARGET);
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}
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public override void Register()
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{
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PreviousState = Register(GetAliasedTarget(Data.Target), Data.Value, Data.Duration, Data.Ease);
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}
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public static LeanState Register(TARGET target, float value, float duration, LeanEase ease = LeanEase.Smooth)
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{
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var state = LeanTransition.SpawnWithTarget(State.Pool, target);
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state.Value = value;
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state.Ease = ease;
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return LeanTransition.Register(state, duration);
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}
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[System.Serializable]
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public class State : LeanStateWithTarget<TARGET>
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{
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[UnityEngine.Tooltip("The alpha value will transition to this.")]
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[UnityEngine.Serialization.FormerlySerializedAs("Alpha")][UnityEngine.Range(0.0f, 1.0f)]public float Value = 1.0f;
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[UnityEngine.Tooltip("This allows you to control how the transition will look.")]
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public LeanEase Ease = LeanEase.Smooth;
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[System.NonSerialized] private float oldValue;
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public override int CanFill
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{
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get
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{
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return Target != null && Target.alpha != Value ? 1 : 0;
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}
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}
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public override void FillWithTarget()
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{
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Value = Target.alpha;
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}
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public override void BeginWithTarget()
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{
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oldValue = Target.alpha;
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}
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public override void UpdateWithTarget(float progress)
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{
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Target.alpha = UnityEngine.Mathf.LerpUnclamped(oldValue, Value, Smooth(Ease, progress));
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}
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public static System.Collections.Generic.Stack<State> Pool = new System.Collections.Generic.Stack<State>(); public override void Despawn() { Pool.Push(this); }
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}
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public State Data;
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}
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}
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namespace Lean.Transition
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{
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public static partial class LeanExtensions
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{
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public static TARGET alphaTransition(this TARGET target, float value, float duration, LeanEase ease = LeanEase.Smooth)
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{
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Method.LeanCanvasGroupAlpha.Register(target, value, duration, ease); return target;
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}
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}
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} |