refactor: moved grow animation to its own class

Assets/Scripts/View/Scene/GrowAnimation.cs

@@ -0,0 +1,62 @@
+using System;
+using Domain;
+using FMODUnity;
+using Presenter;
+using UnityEngine;
+using Animation = FramedAnimator.Animation;
+using Animator = FramedAnimator.Animator;
+
+namespace View.Scene {
+	public class GrowAnimation : MonoBehaviour, IRoseGrow {
+		[SerializeField] private Animator animator;
+		[SerializeField] private Animation growAnimation;
+		[SerializeField] private Animation endAnimation;
+
+		[SerializeField] private EventReference growEvent;
+		[SerializeField] private EventReference gloomEvent;
+
+		private Score _score;
+		private bool _firstUpdate;
+
+		private void Start() {
+			_score = FindObjectOfType<Dependencies>().Score;
+
+			animator.OnAnimationEnd += AnimationEnded;
+		}
+
+		private void AnimationEnded(string animationName) {
+			if (animationName == "Rosa_Grow") {
+				animator.ChangeAnimation(endAnimation);
+				RuntimeManager.PlayOneShot(gloomEvent);
+				animator.PlayUntil(1f);
+				return;
+			}
+
+			if (animationName == "Rosa_End") {
+				animator.ChangeAnimation(growAnimation);
+				animator.PlayUntil(_score.GrowPercentage);
+			}
+		}
+
+		public void GrowStep() {
+			if (animator.CurrentAnimation == "Rosa_Grow") {
+				animator.PlayUntil(IsLastGrowState(_score.Value, _score.GrowPercentage) ? 1f : _score.GrowPercentage);
+				if (_score.GrowPercentage < 1f)
+					RuntimeManager.PlayOneShot(growEvent);
+			}
+			_firstUpdate = false;
+		}
+
+		private bool IsLastGrowState(int score, float growPercentage) {
+			if (growPercentage != 0)
+				return false;
+			bool isLastFrame = score % (_score.GrowIterations * _score.SpawnRate) == 0;
+			if (!isLastFrame)
+				return false;
+			if (_firstUpdate)
+				return false;
+
+			return true;
+		}
+	}
+}