Premier commit

entities/mecha/weapons/gatling/bullet/bullet.gd

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+extends Node3D
+class_name Bullet
+
+const MAX_LIFETIME = 3.
+
+var damage : float = 10.
+var speed : float = 150.
+var lifetime : float = 0.
+
+@onready var raycast : RayCast3D = %RayCast3D
+
+func _process(delta):
+    lifetime += delta
+    position += transform.basis * Vector3(0,0,-speed) * delta
+
+    if raycast.is_colliding():
+        if raycast.get_collider() is Alien:
+            raycast.get_collider().hit(damage)
+            queue_free()
+        if raycast.get_collider() is StaticBody3D:
+            queue_free()
+
+    if lifetime > MAX_LIFETIME:
+        queue_free()