✨ 🍻 You can now climb walls & ceilings

nodes/player/player.gd

@@ -2,17 +2,27 @@ extends CharacterBody2D
 
 class_name Player
 
-const SPEED = 300.0
-const JUMP_VELOCITY = -300.0
+const SPEED = 100.0
+const JUMP_VELOCITY = 200.0
 
 const STATES= [
 	"spawn",
 	"idle",
 	"walk",
+	"climb",
 	"jump",
 	"die"
 	]
 
+var use_gravity = {
+	"climb": false,
+	"die": false,
+	"idle": true,
+	"jump": true,
+	"spawn": true,
+	"walk": true
+}
+
 # Get the gravity from the project settings to be synced with RigidBody nodes.
 var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
 
@@ -24,7 +34,7 @@ func _enter_spawn():
 	$fsm.set_next_state("idle")
 
 func on_enter_idle_state():
-	velocity.x = 0.0
+	pass
 
 func idle_state(_delta):
 	var direction = Input.get_axis("ui_left", "ui_right")
@@ -37,32 +47,74 @@ func idle_state(_delta):
 func walk_state(_delta):
 	var direction = Input.get_axis("ui_left", "ui_right")
 
-	if direction:
+	if direction != 0:
 		velocity.x = direction * SPEED
 	else:
+		velocity.x = 0
 		$fsm.set_next_state("idle")
 
 	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
 		$fsm.set_next_state("jump")
 
+	# detect collision with wall or ceiling to enter climb state
+	if is_on_wall() or is_on_ceiling():
+		velocity.y = 0
+		$fsm.set_next_state("climb")
+
 func on_enter_jump_state():
-	velocity.y = JUMP_VELOCITY
+	if is_on_floor():
+		velocity.y = -JUMP_VELOCITY
 
 func jump_state(_delta):
 	var direction = Input.get_axis("ui_left", "ui_right")
 
-	velocity.x = move_toward(velocity.x, direction * SPEED, SPEED)
+	if(direction):
+		velocity.x = move_toward(velocity.x, direction * SPEED, SPEED)
 
 	if is_on_floor():
 		if direction:
 			$fsm.set_next_state("walk")
 		else:
+			velocity.x = 0
 			$fsm.set_next_state("idle")
 
+	if is_on_wall() or is_on_ceiling():
+		$fsm.set_next_state("climb")
+
+func on_enter_climb_state():
+	$sprite.modulate = Color(1, 0, 0)
+	velocity = Vector2(0, 0)
+
+func on_exit_climb_state():
+	$sprite.modulate = Color(1, 1, 1)
+
+func climb_state(_delta):
+	if is_on_wall():
+		var direction = Input.get_axis("ui_up", "ui_down")
+		velocity = Vector2(0, direction * SPEED)
+
+	if is_on_ceiling():
+		var direction = Input.get_axis("ui_left", "ui_right")
+		velocity = Vector2(direction * SPEED, 0)
+
+	if Input.is_action_just_pressed("ui_accept") and is_on_wall():
+		var wall_position = get_slide_collision(0).get_normal().x
+		var jump_normal = Vector2(wall_position, -0.5).normalized()
+		velocity = jump_normal * JUMP_VELOCITY
+
+		$fsm.set_next_state("jump")
+	if is_on_ceiling() && Input.is_action_just_pressed("ui_down"):
+		velocity.y = 0
+		$fsm.set_next_state("idle")
+
+	if !is_on_wall() && !is_on_ceiling():
+		$fsm.set_next_state("idle")
+
+
 func after_state(delta):
 	move_and_slide()
 
-	if not is_on_floor():
+	if use_gravity[$fsm.current_state] == true:
 		velocity.y += gravity * delta
 
 

nodes/player/player.tscn

@@ -24,4 +24,4 @@ shape = SubResource("CapsuleShape2D_w17ly")
 metadata/_edit_group_ = true
 
 [node name="camera" type="Camera2D" parent="."]
-zoom = Vector2(2, 2)
+zoom = Vector2(4, 4)

scripts/gameplay/rising_level.gd

@@ -3,10 +3,13 @@ class_name RisingLevel
 
 @export var RISING_SPEED = 30
 
+func _ready():
+	body_entered.connect(_body_entered)
+
 func _physics_process(delta):
 	$shape.position.y -= RISING_SPEED * delta
 	self.position = self.position
-	body_entered.connect(_body_entered)
+
 
 func _body_entered(body):
 	if body.is_in_group("player"):

scripts/ia/fsm.gd

@@ -38,9 +38,10 @@ func _transition():
 		next_state = null
 		print(self.name + " transitioning to " + current_state)
 
-		var on_exit_state_method =  "on_exit_" + current_state + "_state"
-		if on_exit_state_method in root:
-			root.call(on_exit_state_method)
+		if previous_state:
+			var on_exit_state_method =  "on_exit_" + previous_state + "_state"
+			if on_exit_state_method in root:
+				root.call(on_exit_state_method)
 
 		var on_enter_state_method =  "on_enter_" + current_state + "_state"
 		if on_enter_state_method in root: