added state handling, animation, camera; changed resolution

scripts/player.gd

@@ -4,10 +4,14 @@ const SPEED = 300.0
 const JUMP_VELOCITY = -600.0
 
 enum FaceDirection{LEFT, RIGHT}
+enum State{IDLE, WALK, JUMP, FALLING}
 
-@export var BUMP_POWER = 50
-@export var SHOVE_POWER = 200
+@export var BUMP_POWER := 50
+@export var SHOVE_POWER := 200
+@export var ACCELERATION := 5
+@export var HARD_GRAVITY := 100
 
+var current_state: State = State.IDLE
 var facing : FaceDirection = FaceDirection.RIGHT
 var direction : float = 0.0
 var jump_buffer_timer : Timer
@@ -18,6 +22,7 @@ var push_enabled : bool = false
 @onready var left_cast: RayCast2D = $LeftCast
 @onready var right_spawn: Marker2D = $RightSpawn
 @onready var left_spawn: Marker2D = $LeftSpawn
+@onready var player_sprite: AnimatedSprite2D = $PlayerSprite
 
 func _ready() -> void:
 	jump_buffer_timer = Timer.new()
@@ -28,15 +33,17 @@ func _physics_process(delta: float) -> void:
 	handle_movement(delta)
 	move_and_slide()
 	handle_collisions()
+	update_state()
+	update_animation()
 
 func handle_input() -> void:
 	
 	# Handle jumping.
 	if Input.is_action_just_pressed("jump"):
 		jump_buffer_timer.start(0.1)
-		
 	if is_on_floor() and jump_buffer_timer.time_left > 0:
 		velocity.y = JUMP_VELOCITY
+		current_state = State.JUMP
 		jump_buffer_timer.stop()
 		
 	# Set direction.
@@ -55,8 +62,8 @@ func handle_input() -> void:
 			FaceDirection.LEFT:
 				shove_direction = -1
 		push_target.apply_central_impulse(Vector2(shove_direction, 0) * SHOVE_POWER)
-		
-	# Handle shooting.eee
+
+	# Handle shooting
 	if Input.is_action_just_pressed("shoot"):
 		print("pew-pew")
 		match facing:
@@ -66,7 +73,8 @@ func handle_input() -> void:
 			FaceDirection.LEFT:
 				%SceneManager.make_bullet(left_spawn.global_transform, -700)
 				print("shoot left")
-				
+
+	# Handle throwing grenades
 	if Input.is_action_just_pressed("throw"):
 		print("grenade!")
 		match facing:
@@ -78,15 +86,23 @@ func handle_input() -> void:
 				print("throwing left")
 
 func handle_movement(delta) -> void:
-	# Left-right movement.
+	# Left-right movement. Use acceleration for smoothing
 	if direction:
-		velocity.x = direction * SPEED
+		velocity.x = move_toward(velocity.x, SPEED * direction, ACCELERATION)
 	else:
-		velocity.x = move_toward(velocity.x, 0, SPEED)
-	
-	# Add gravity.
+		velocity.x = move_toward(velocity.x, 0, ACCELERATION)
+
 	if not is_on_floor():
-		velocity += get_gravity() * delta
+		# Add gravity.
+		if current_state == State.JUMP:
+			# Character is jumping; apply normal gravity
+			velocity += get_gravity() * delta
+			if velocity.y > 0:
+				current_state = State.FALLING
+		else:
+			# Character falling; apply hard gravity
+			current_state = State.FALLING
+			velocity += get_gravity() * HARD_GRAVITY * delta
 
 func handle_collisions() -> void:
 	
@@ -110,3 +126,45 @@ func handle_collisions() -> void:
 
 	if not right_cast.is_colliding() and not left_cast.is_colliding():
 		push_enabled = false
+
+func update_state() -> void:
+	match current_state:
+		# If player is moving left or right
+		State.IDLE when velocity.x !=0:
+			current_state = State.WALK
+		
+		# If player stops walking, or starts falling
+		State.WALK:
+			# If not moving left or right
+			if velocity.x == 0:
+				current_state = State.IDLE
+			# If falling
+			if not is_on_floor() and velocity.y > 0:
+				current_state = State.FALLING
+				
+		# When jump peaks, we start to fall
+		State.JUMP when velocity.y > 0:
+			current_state = State.FALLING
+		
+		# Player lands, either still or moving
+		State.FALLING when is_on_floor():
+			if velocity.x == 0:
+				current_state = State.IDLE
+			else:
+				current_state = State.WALK
+
+func update_animation() -> void:
+	match facing:
+		FaceDirection.LEFT:
+			player_sprite.flip_h = true
+		FaceDirection.RIGHT:
+			player_sprite.flip_h = false
+	match current_state:
+		State.IDLE:
+			player_sprite.play("idle")
+		State.WALK:
+			player_sprite.play("run")
+		State.JUMP:
+			player_sprite.play("jump")
+		State.FALLING:
+			player_sprite.play("fall")