added jump animation

scripts/player.gd

@@ -12,8 +12,9 @@ var direction : float = 0
 enum FaceDirection { LEFT, RIGHT }
 var facing: FaceDirection = FaceDirection.LEFT 
 var shove_target: RigidBody2D
-enum State { IDLE, RUNNING }
+enum State { IDLE, RUN, JUMP, APEX, FALL }
 var state: State = State.IDLE
+var up_jump:bool = false
 
 func _physics_process(delta: float):
 	handle_input()
@@ -73,13 +74,34 @@ func handle_collisions():
 func handle_state():
 	match state:
 		State.IDLE when velocity.x != 0:
-			state = State.RUNNING
-		State.RUNNING when velocity.x == 0:
+			state = State.RUN
+		State.RUN when velocity.x == 0:
+			state = State.IDLE
+		State.RUN when velocity.y < 0:
+			state = State.JUMP
+		State.IDLE when velocity.y < 0:
+			state = State.JUMP
+		State.JUMP when velocity.y > 0:
+			state = State.APEX
+		# from APEX to FALL is handled when apex animation finishes
+		State.FALL when velocity.y == 0:
 			state = State.IDLE
 
 func handle_animation():
 	match state:
 		State.IDLE:
 			graphic.play("idle")
-		State.RUNNING:
+		State.RUN:
 			graphic.play("run")
+		State.JUMP:
+			graphic.play("jump")
+		State.APEX:
+			graphic.play("apex")
+		State.FALL:
+			graphic.play("fall")
+
+func _on_graphic_animation_finished() -> void:
+	# switch state from apex to fall
+	match state:
+		State.APEX:
+			state = State.FALL