Added spring

Assets/Scripts/Game/Buildings/SpringBuilding.cs

@@ -0,0 +1,35 @@
+using UnityEngine;
+using System;
+
+namespace Fruitomation.Game
+{
+    public class SpringBuilding : Building
+    {
+        [SerializeField] private TriggerDetector Trigger;
+
+        private void Start()
+        {
+            Trigger.SetAction(other =>
+            {
+                if (other.transform.parent.TryGetComponent(out Rigidbody2D body))
+                {
+                    Vector2 v0 = body.linearVelocity;
+                    float magnitude = Math.Max(v0.magnitude * 0.8f, 20f);
+
+                    Vector2 v1 = new Vector2(v0.x * 1.2f, Math.Abs(v0.y)).normalized * magnitude;
+                    body.linearVelocity = v1;
+                }
+            }, TriggerType.Enter);
+            
+            Trigger.SetAction(other =>
+            {
+                if (other.transform.parent.TryGetComponent(out Rigidbody2D body))
+                {
+                    Vector2 v0 = body.linearVelocity;
+                    v0.y = Math.Max(1f, v0.y);
+                    body.linearVelocity = v0;
+                }
+            }, TriggerType.Stay);
+        }
+    }
+}