week 2: force push and bullets!

scripts/bullet.gd

@@ -0,0 +1,16 @@
+class_name Bullet extends Area2D
+
+signal bulletHitSignal(body, bullet)
+
+var SPEED: float = 700.0
+
+func setSpeed(new_speed: float):
+	SPEED = new_speed
+
+func _physics_process(delta: float) -> void:
+	position += transform.x * SPEED * delta
+	
+
+func _on_body_entered(body: Node2D) -> void:
+	if body.is_in_group("shootable"):
+		bulletHitSignal.emit(body, self)

scripts/bullet.gd.uid

@@ -0,0 +1 @@
+uid://do4exob6g0cfd

scripts/crate.gd

@@ -0,0 +1 @@
+class_name Crate extends RigidBody2D

scripts/crate.gd.uid

@@ -0,0 +1 @@
+uid://boay68qas1gpa

scripts/gamecontroller.gd

@@ -1,7 +1,5 @@
 extends Node2D
 
-
-
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	pass # Replace with function body.
@@ -17,3 +15,6 @@ func _on_trigger(effect: Variant, body: Variant) -> void:
 	if not body is Player:
 		body.queue_free()
 	
+func onBulletHitSignal(body: Node, bullet: Bullet):
+	body.queue_free()
+	

scripts/player.gd

@@ -1,31 +1,89 @@
 class_name Player extends CharacterBody2D
 
+@onready var scene_manager: SceneManager = %SceneManager
+@onready var right_cast: RayCast2D = $RightCast
+@onready var left_cast: RayCast2D = $LeftCast
+@onready var right_spawn: Node2D = $RightSpawn
+@onready var left_spawn: Node2D = $LeftSpawn
 
+
+const SHOVE_STRENGTH = 700
 const SPEED = 300.0
 const JUMP_VELOCITY = -400.0
 
+var direction: float
+
+enum FaceDirection{LEFT, RIGHT}
+var facing: FaceDirection = FaceDirection.RIGHT
+
+var pushTarget
 
 func _physics_process(delta: float) -> void:
-	# Add the gravity.
-	if not is_on_floor():
-		velocity += get_gravity() * delta
-
-	# Handle jump.
-	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
-		velocity.y = JUMP_VELOCITY
-
-	# Get the input direction and handle the movement/deceleration.
-	# As good practice, you should replace UI actions with custom gameplay actions.
-	var direction := Input.get_axis("ui_left", "ui_right")
+	handle_input()
+	handle_movement(delta)
+	move_and_slide()
+	handle_collisions()
+			
+	
+func handle_movement(delta: float):
 	if direction:
 		velocity.x = direction * SPEED
 	else:
 		velocity.x = move_toward(velocity.x, 0, SPEED)
-
-	move_and_slide()
 	
+	# Add the gravity.
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+
+func handle_input():
+	# Handle jump.
+	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+		velocity.y = JUMP_VELOCITY
+		
+	# Get the input direction and handle the movement/deceleration.
+	# As good practice, you should replace UI actions with custom gameplay actions.
+	direction = Input.get_axis("ui_left", "ui_right")
+	
+	if direction > 0:
+		facing = FaceDirection.RIGHT
+	elif direction < 0:
+		facing = FaceDirection.LEFT
+		
+	var is_shoving = Input.is_action_just_pressed("shove")
+	if is_shoving and pushTarget is RigidBody2D:
+		var shoveDirection: int
+		match facing:
+			FaceDirection.RIGHT:
+				shoveDirection = 1
+			FaceDirection.LEFT:
+				shoveDirection = -1
+		pushTarget.apply_central_impulse(Vector2i(shoveDirection, 0)*SHOVE_STRENGTH)
+		
+	var is_shooting = Input.is_action_just_pressed("shoot")
+	if is_shooting:
+		match facing:
+			FaceDirection.RIGHT:
+				scene_manager.make_bullet(right_spawn.global_transform, SPEED)
+			FaceDirection.LEFT:
+				scene_manager.make_bullet(left_spawn.global_transform, -1*SPEED)
+	
+func handle_collisions():
 	for i in get_slide_collision_count():
 		var collision := get_slide_collision(i)
 		var collider := collision.get_collider()
 		if collider is RigidBody2D:
 			collider.apply_central_impulse(-collision.get_normal()*100)
+			
+		if right_cast.is_colliding() && facing == FaceDirection.RIGHT:
+			collider = right_cast.get_collider()
+			if collider is Node and collider.is_in_group("shovable"):
+				pushTarget = collider
+		
+		elif left_cast.is_colliding() && facing == FaceDirection.LEFT:
+			collider = left_cast.get_collider()
+			if collider is Node and collider.is_in_group("shovable"):
+				pushTarget = collider
+		else:
+			pushTarget = null
+		
+	

scripts/scene_manager.gd

@@ -0,0 +1,31 @@
+class_name SceneManager extends Node2D
+
+const bullet_scene = preload("res://scenes/bullet.tscn")
+
+@onready var game: Node2D = $".."
+
+var MAX_BULLET := 50
+var available_bullets = []
+
+func _ready() -> void:
+	for i in range(MAX_BULLET):
+		var new_bullet = bullet_scene.instantiate()
+		new_bullet.bulletHitSignal.connect(game.onBulletHitSignal)
+		available_bullets.push_front(new_bullet)
+
+func make_bullet(start_position: Transform2D, speed: int):
+	var new_bullet = bullet_factory(start_position, speed)
+	if new_bullet:
+		owner.add_child(new_bullet)
+
+func reload_bullet(bullet: Bullet):
+	available_bullets.push(bullet)
+
+func bullet_factory(start_position: Transform2D, speed: int) -> Bullet:
+	var shot_bullet = available_bullets.pop_back()
+	shot_bullet.global_transform = start_position
+	shot_bullet.setSpeed(speed)
+	
+	available_bullets.push_front(shot_bullet)
+	
+	return shot_bullet

scripts/scene_manager.gd.uid

@@ -0,0 +1 @@
+uid://vi7u52xttkpb