Week 2 Learnings: Week 1 recap (bodies, area trigger), raycasts, dynamic instantiation (spawning things)

Scripts/bullet.gd

@@ -1,13 +1,14 @@
-class_name Bullet extends Area2D
-var speed:float = 700
-signal bulletHitSignal(body, bullet)
-func setSpeed(value)->void:
-	speed = value
-	
-func _process(delta: float) -> void:
+extends Area2D
+
+var speed := 700
+signal hit(bullet, body)
+
+func setSpeed(speedValue):
+	speed = speedValue
+
+func _physics_process(delta: float) -> void:
+	# delta - time passed between physics process being called, think FPS
 	position += transform.x * speed * delta
 
-
 func _on_body_entered(body: Node2D) -> void:
-	if body is Crate:
-		bulletHitSignal.emit(body,self)
+	print("I HIT SMTHING")

Scripts/bullet.gd.uid

@@ -1 +1 @@
-uid://u1ubij2eih4r
+uid://lt4ob78t6q2a

Scripts/game.gd

@@ -25,7 +25,6 @@ func countdown() -> void:
 func _process(delta: float) -> void:
 	pass
 
-
 func _on_trigger(body: Variant, trigger: Variant) -> void:
 	print("Game controller knows trigger fired")
 	body.queue_free()
@@ -33,7 +32,7 @@ func _on_trigger(body: Variant, trigger: Variant) -> void:
 	if numberOfCrates == 0:
 		print("WINNER!")
 		get_tree().reload_current_scene()
-		
+
 func crateTotal(howMany):
 		numberOfCrates = howMany
 		print("GC knows crates: "+str(numberOfCrates))

Scripts/player.gd

@@ -3,7 +3,21 @@ extends CharacterBody2D
 
 const SPEED = 300.0
 const JUMP_VELOCITY = -400.0
+const PUSH_FORCE = 700
 
+var faceLeft = false
+# Can I push right / left
+var pushLeftEnabled = false
+var pushRightEnabled = false
+
+@onready var right_ray: RayCast2D = $RightRay
+@onready var left_ray: RayCast2D = $LeftRay
+@onready var marker_right: Node2D = $MarkerRight
+@onready var marker_left: Node2D = $MarkerLeft
+
+var pushTarget
+
+var bullet = preload("res://Scenes/bullet.tscn")
 
 func _physics_process(delta: float) -> void:
 	# Add the gravity.
@@ -14,9 +28,35 @@ func _physics_process(delta: float) -> void:
 	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
 		velocity.y = JUMP_VELOCITY
 
+	if Input.is_action_just_pressed("Shove") && pushLeftEnabled && faceLeft:
+		print("shove box on the left")
+		pushTarget.apply_central_impulse(Vector2(-1,0) * PUSH_FORCE * 1.5)
+		pushLeftEnabled = false
+
+	if Input.is_action_just_pressed("Shove") && pushRightEnabled && not faceLeft:
+		print("shove box on the right")
+		pushTarget.apply_central_impulse(Vector2(1,0) * PUSH_FORCE * 1.5)
+		pushRightEnabled = false
+
+	if Input.is_action_just_pressed("Shoot"):
+		print("will shoot")
+		var myBullet = bullet.instantiate()
+		if faceLeft:
+			print("shoot left")
+			myBullet.setSpeed(-700)
+			myBullet.transform = marker_left.global_transform
+		else:
+			print("shoot right")
+			myBullet.transform = marker_right.global_transform
+		owner.add_child(myBullet)
+
 	# 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")
+	if direction <0:
+		faceLeft = true
+	if direction >0:
+		faceLeft = false
 	if direction:
 		velocity.x = direction * SPEED
 	else:
@@ -30,3 +70,23 @@ func _physics_process(delta: float) -> void:
 		#is this bonkable? reverse normal
 		if c.get_collider() is RigidBody2D:
 			c.get_collider().apply_central_impulse(-c.get_normal() * 100)
+			
+	if left_ray.is_colliding():
+		print("left ray collision")
+		var collider = left_ray.get_collider()
+		if collider is Node:
+			if collider.is_in_group("pushables"):
+				pushLeftEnabled = true
+				pushTarget = collider
+		else:
+			pushLeftEnabled = false
+	
+	if right_ray.is_colliding():
+		print("right ray collision")
+		var collider = right_ray.get_collider()
+		if collider is Node:
+			if collider.is_in_group("pushables"):
+				pushRightEnabled = true
+				pushTarget = collider
+		else:
+			pushRightEnabled = false