dynamic instantiation of bullets, bullet factory, multiple triggers, teleporting crates

scripts/bullet.gd

@@ -0,0 +1,13 @@
+class_name Bullet extends Area2D
+var speed:float = 700
+signal bulletHitSignal(body, bullet)
+func setSpeed(value)->void:
+	speed = value
+	
+func _process(delta: float) -> void:
+	position += transform.x * speed * delta
+
+
+func _on_body_entered(body: Node2D) -> void:
+	if body is Crate:
+		bulletHitSignal.emit(body,self)

scripts/bullet.gd.uid

@@ -0,0 +1 @@
+uid://bvy43aky6y3er

scripts/crate.gd

@@ -1 +1,13 @@
 class_name Crate extends RigidBody2D
+
+var teleport_target:Vector2 = Vector2.ZERO
+var should_teleport:bool = false
+
+func teleport_to(position:Vector2):
+	teleport_target = position
+	should_teleport = true
+	
+func _integrate_forces(state: PhysicsDirectBodyState2D) -> void:
+	if should_teleport:
+		state.transform = Transform2D.IDENTITY.translated(teleport_target)
+		should_teleport = false

scripts/game.gd

@@ -1,11 +1,14 @@
-extends Node2D
-
+class_name GameController extends Node2D
+signal destroySignal(body)
+signal fanTriggerSignal(body, fanDirection)
+signal teleportTriggerSignal(body)
 var numberOfCrates = 2
-var timeAvailable = 5
+var timeAvailable = 50
 
 var timer = Timer.new()
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
+	get_window().grab_focus()
 	add_child(timer)
 	timer.wait_time = 1
 	timer.one_shot = false
@@ -24,14 +27,25 @@ func _process(delta: float) -> void:
 	pass
 
 
-func _on_trigger(body: Variant, trigger: Variant) -> void:
+func _on_trigger(body: Variant, trigger: Variant, intent:String) -> void:
 	print("GC knows trigger fired")
-	body.queue_free()
-	numberOfCrates -=1
-	if numberOfCrates == 0:
-		print("YOU WON!!!")
-		get_tree().reload_current_scene()
+	match intent:
+		"destroy":
+			destroySignal.emit(body)
+		"fan":
+			print("do a fan effect")
+			fanTriggerSignal.emit(body,Vector2(0,-1)*100*9)
+		"teleport":
+			print("do a teleport")
+			teleportTriggerSignal.emit(body)
 		
 func crateTotal(howmany):
 	numberOfCrates = howmany
 	print("GC knows about crates: "+str(numberOfCrates))
+	if numberOfCrates == 0:
+		print("YOU WON!!!")
+		get_tree().reload_current_scene()
+
+func bulletDamage(body, _bullet)->void:
+	if body.is_in_group("shootable"):
+		destroySignal.emit(body)

scripts/player.gd

@@ -1,9 +1,22 @@
-extends CharacterBody2D
+class_name Player extends CharacterBody2D
+signal pushSignal(body, direction)
+signal shootSignal(markerPosition, speed)
 
+@onready var right_cast: RayCast2D = $RightCast
+@onready var left_cast: RayCast2D = $LeftCast
+@onready var right_spawn: Marker2D = $RightSpawn
+@onready var left_spawn: Marker2D = $LeftSpawn
+
+var pushRightEnabled = false
+var pushLeftEnabled = false
+var pushTarget
+var pushTimer = 0
 
 const SPEED = 300.0
 const JUMP_VELOCITY = -400.0
 
+enum FaceDirection {RIGHT,LEFT}
+var facing:FaceDirection = FaceDirection.RIGHT
 
 func _physics_process(delta: float) -> void:
 	# Add the gravity.
@@ -13,19 +26,64 @@ func _physics_process(delta: float) -> void:
 	# Handle jump.
 	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
 		velocity.y = JUMP_VELOCITY
-
+	# Handle shove.
+	if Input.is_action_just_pressed("shove"):
+		print("I want to shove")
+		pushTimer = Time.get_ticks_msec()
+	if Input.is_action_just_released("shove"):
+		var pushForce = Time.get_ticks_msec() - pushTimer
+		if pushForce>4000:
+			pushForce=4000
+		if pushRightEnabled and facing==FaceDirection.RIGHT:
+			#deliver the boom
+			pushSignal.emit(pushTarget, Vector2(1,0)*100*(pushForce/100))
+		if pushLeftEnabled and facing==FaceDirection.LEFT:
+			pushSignal.emit(pushTarget, Vector2(-1,0)*100*(pushForce/100))
+	#Handle Shoot
+	if Input.is_action_just_pressed("shoot"):
+		print("Ima shoot a bullet")
+		#marker postion, speed
+		match facing:
+			FaceDirection.RIGHT:
+				shootSignal.emit(right_spawn.global_transform, 800)
+			FaceDirection.LEFT:
+				shootSignal.emit(left_spawn.global_transform, 800)
+				
 	# 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:
 		velocity.x = direction * SPEED
+		if direction >0:
+			facing = FaceDirection.RIGHT
+		else:
+			facing = FaceDirection.LEFT
 	else:
 		velocity.x = move_toward(velocity.x, 0, SPEED)
 
 	move_and_slide()
+	if right_cast.is_colliding():
+		print("Right raycast collision")
+		var collider = right_cast.get_collider()
+		if collider is Node:
+			pushRightEnabled = true
+			pushTarget = collider
+	else:
+		pushRightEnabled = false
+	
+	if left_cast.is_colliding():
+		print("Left raycast collision")
+		var collider = left_cast.get_collider()
+		if collider is Node:
+			pushLeftEnabled = true
+			pushTarget = collider
+	else:
+		pushLeftEnabled = false
+		
 	#a loop
 	for i in get_slide_collision_count():
 		var c = get_slide_collision(i)
 		#is this a bonkable thing?
 		if c.get_collider() is RigidBody2D:
-			c.get_collider().apply_central_impulse(-c.get_normal() * 100)
+			#c.get_collider().apply_central_impulse(-c.get_normal() * 100)
+			pushSignal.emit(c.get_collider(), -c.get_normal() * 100)

scripts/scene_manager.gd

@@ -1,10 +1,22 @@
 extends Node2D
-@onready var game: Node2D = $".."
+@onready var game: GameController = $".."
 @onready var crates: Node2D = $"../Crates"
+@onready var player: Player = $"../Player"
 
+var bullet = preload("res://scenes/bullet.tscn")
+var bulletArray:Array[Bullet] = []
+var totalAllowedBullets:int = 7
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
+	#signals from the view
+	player.pushSignal.connect(pushTarget)
+	player.shootSignal.connect(makeBullet)
+	
+	#signals from the GameController
+	game.destroySignal.connect(destroy)
+	game.fanTriggerSignal.connect(pushTarget)
+	game.teleportTriggerSignal.connect(teleportTarget)
 	buildLevel()
 
 
@@ -14,10 +26,48 @@ func _process(delta: float) -> void:
 
 func buildLevel()->void:
 	#tell GC how many crates...
+	updateCrates()
+
+func updateCrates()->void:
 	var totalCrates = 0
 	if crates:
 		for obj in crates.get_children():
 			if obj is Crate:
+				if not obj.tree_exited.is_connected(updateCrates):
+					obj.tree_exited.connect(updateCrates)
 				totalCrates +=1
 	
 	game.crateTotal(totalCrates)
+
+func pushTarget(body,pushDirection)->void:
+	if body is RigidBody2D:
+		body.apply_central_impulse(pushDirection)
+func destroy(body)->void:
+	body.queue_free()
+func teleportTarget(body)->void:
+	if body is Crate:
+		var viewport_size = get_viewport().get_visible_rect().size
+		var random_x = randf_range(0, viewport_size.x)
+		var random_y = randf_range(0, viewport_size.y)
+		var newPosition = Vector2(random_x,random_y)
+		body.teleport_to(newPosition)
+func bulletFactory()->Bullet:
+	var myBullet:Bullet
+	#how many bullets have been produced?
+	if bulletArray.size() <= totalAllowedBullets:
+		#make a new bullet
+		myBullet = bullet.instantiate()
+		add_sibling(myBullet)
+		if not myBullet.bulletHitSignal.is_connected(game.bulletDamage):
+			myBullet.bulletHitSignal.connect(game.bulletDamage)
+	else:
+		myBullet = bulletArray.pop_back()
+		
+	bulletArray.push_front(myBullet)
+	return myBullet
+func makeBullet(spawnPosition, speed)->void:
+	print("make bullet")
+	var myBullet:Bullet = bulletFactory()
+	myBullet.transform = spawnPosition
+	myBullet.setSpeed(speed)
+	

scripts/trigger.gd

@@ -1,5 +1,8 @@
-extends Area2D
-signal areaTriggerSignal(body, trigger)
+class_name Trigger extends Area2D
+
+@export var intent = "destroy"
+
+signal areaTriggerSignal(body, trigger, intent)
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
@@ -13,4 +16,4 @@ func _process(delta: float) -> void:
 
 func _on_body_entered(body: Node2D) -> void:
 	print("Something entered the trigger!")
-	areaTriggerSignal.emit(body, self)
+	areaTriggerSignal.emit(body, self, intent)