raycasts, melee attack, factory for bullets, spawn points, dynamic instantiation

project.godot

@@ -14,3 +14,16 @@ config/name="JulyGame"
 run/main_scene="uid://coiqh7p31ukig"
 config/features=PackedStringArray("4.4", "Forward Plus")
 config/icon="res://icon.svg"
+
+[input]
+
+shove={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":90,"key_label":0,"unicode":122,"location":0,"echo":false,"script":null)
+]
+}
+shoot={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":88,"key_label":0,"unicode":120,"location":0,"echo":false,"script":null)
+]
+}

scenes/bullet.tscn

@@ -0,0 +1,15 @@
+[gd_scene load_steps=3 format=3 uid="uid://dopt3unflv7l3"]
+
+[ext_resource type="Script" uid="uid://bhh178vuo5bgo" path="res://scripts/bullet.gd" id="1_mkf8s"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_y25gk"]
+size = Vector2(8, 4)
+
+[node name="Bullet" type="Area2D"]
+script = ExtResource("1_mkf8s")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_y25gk")
+debug_color = Color(0.97707, 0.111833, 0.261075, 0.42)
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]

scenes/crate.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=3 format=3 uid="uid://dlihpyr58tqqq"]
+
+[ext_resource type="Script" uid="uid://c5gjsxgxmjfki" path="res://scripts/crate.gd" id="1_b66cd"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_uwrxv"]
+
+[node name="Crate" type="RigidBody2D" groups=["pushables", "shootables"]]
+rotation = -0.301036
+script = ExtResource("1_b66cd")
+metadata/_edit_group_ = true
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_uwrxv")
+debug_color = Color(0.817443, 0.400008, 0.177458, 0.42)

scenes/game.tscn

@@ -1,21 +1,24 @@
-[gd_scene load_steps=8 format=3 uid="uid://coiqh7p31ukig"]
+[gd_scene load_steps=9 format=3 uid="uid://coiqh7p31ukig"]
 
 [ext_resource type="Script" uid="uid://bblqtronap0j4" path="res://scripts/gamecontroller.gd" id="1_lnu2h"]
-[ext_resource type="Script" uid="uid://b7rahgxxw1yuw" path="res://scripts/player.gd" id="1_uwrxv"]
+[ext_resource type="PackedScene" uid="uid://dlihpyr58tqqq" path="res://scenes/crate.tscn" id="2_lbhrr"]
+[ext_resource type="PackedScene" uid="uid://boqg1nyudmkh4" path="res://scenes/player.tscn" id="2_lnu2h"]
+[ext_resource type="Script" uid="uid://d1daji4xwuj03" path="res://scripts/scene_manager.gd" id="2_p57ef"]
 [ext_resource type="PackedScene" uid="uid://csotsc2cycyia" path="res://scenes/trigger.tscn" id="2_yqjtg"]
+[ext_resource type="PackedScene" uid="uid://dopt3unflv7l3" path="res://scenes/bullet.tscn" id="5_iywne"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_8cj0n"]
 size = Vector2(44, 20)
 
-[sub_resource type="RectangleShape2D" id="RectangleShape2D_uwrxv"]
-
 [sub_resource type="WorldBoundaryShape2D" id="WorldBoundaryShape2D_8cj0n"]
 
-[sub_resource type="CircleShape2D" id="CircleShape2D_8cj0n"]
-
 [node name="game" type="Node2D"]
 script = ExtResource("1_lnu2h")
 
+[node name="SceneManager" type="Node2D" parent="."]
+unique_name_in_owner = true
+script = ExtResource("2_p57ef")
+
 [node name="StaticBody2D" type="StaticBody2D" parent="."]
 position = Vector2(567, 402)
 metadata/_edit_group_ = true
@@ -23,23 +26,8 @@ metadata/_edit_group_ = true
 [node name="CollisionShape2D" type="CollisionShape2D" parent="StaticBody2D"]
 shape = SubResource("RectangleShape2D_8cj0n")
 
-[node name="RigidBody2D" type="RigidBody2D" parent="."]
+[node name="Crate" parent="." instance=ExtResource("2_lbhrr")]
-position = Vector2(593, 331)
-rotation = -0.349066
-metadata/_edit_group_ = true
-
-[node name="CollisionShape2D" type="CollisionShape2D" parent="RigidBody2D"]
-shape = SubResource("RectangleShape2D_uwrxv")
-debug_color = Color(0.817443, 0.400008, 0.177458, 0.42)
-
-[node name="RigidBody2D2" type="RigidBody2D" parent="."]
 position = Vector2(575, 221)
-rotation = -0.301036
-metadata/_edit_group_ = true
-
-[node name="CollisionShape2D" type="CollisionShape2D" parent="RigidBody2D2"]
-shape = SubResource("RectangleShape2D_uwrxv")
-debug_color = Color(0.817443, 0.400008, 0.177458, 0.42)
 
 [node name="ground" type="StaticBody2D" parent="."]
 position = Vector2(551, 565)
@@ -48,17 +36,13 @@ metadata/_edit_group_ = true
 [node name="CollisionShape2D" type="CollisionShape2D" parent="ground"]
 shape = SubResource("WorldBoundaryShape2D_8cj0n")
 
-[node name="CharacterBody2D" type="CharacterBody2D" parent="."]
+[node name="Player" parent="." instance=ExtResource("2_lnu2h")]
 position = Vector2(567, 380)
-script = ExtResource("1_uwrxv")
-metadata/_edit_group_ = true
-
-[node name="CollisionShape2D" type="CollisionShape2D" parent="CharacterBody2D"]
-shape = SubResource("CircleShape2D_8cj0n")
-debug_color = Color(0.172558, 0.632665, 0.34599, 0.42)
 
 [node name="Area2D" parent="." instance=ExtResource("2_yqjtg")]
-position = Vector2(601, 428)
+position = Vector2(564, 436)
-scale = Vector2(1.36, 1.12)
+
+[node name="Bullet" parent="." instance=ExtResource("5_iywne")]
+position = Vector2(351, 312)
 
 [connection signal="areaTriggerSignal" from="Area2D" to="." method="_on_trigger"]

scenes/player.tscn

@@ -0,0 +1,25 @@
+[gd_scene load_steps=3 format=3 uid="uid://boqg1nyudmkh4"]
+
+[ext_resource type="Script" uid="uid://b7rahgxxw1yuw" path="res://scripts/player.gd" id="1_3vyb7"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_8cj0n"]
+
+[node name="Player" type="CharacterBody2D"]
+script = ExtResource("1_3vyb7")
+metadata/_edit_group_ = true
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_8cj0n")
+debug_color = Color(0.172558, 0.632665, 0.34599, 0.42)
+
+[node name="RightCast" type="RayCast2D" parent="."]
+target_position = Vector2(16, 0)
+
+[node name="LeftCast" type="RayCast2D" parent="."]
+target_position = Vector2(-16, 0)
+
+[node name="RightSpawn" type="Node2D" parent="."]
+position = Vector2(13, -6)
+
+[node name="LeftSpawn" type="Node2D" parent="."]
+position = Vector2(-13, -7)

scripts/bullet.gd

@@ -0,0 +1,18 @@
+class_name Bullet extends Area2D
+
+
+var speed:float = 700
+signal bulletDamageSignal(body, bullet)
+
+func setSpeed(value:float):
+	speed = value
+	
+func _physics_process(delta: float) -> void:
+	position += transform.x * speed * delta
+
+
+func _on_body_entered(body: Node2D) -> void:
+	print("Bullet hitting")
+	if body.is_in_group("shootables"):
+		print("This is shootable")
+		bulletDamageSignal.emit(body, self)

scripts/bullet.gd.uid

@@ -0,0 +1 @@
+uid://bhh178vuo5bgo

scripts/crate.gd

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

scripts/crate.gd.uid

@@ -0,0 +1 @@
+uid://c5gjsxgxmjfki

scripts/gamecontroller.gd

@@ -16,3 +16,7 @@ func _on_trigger(effect: Variant, body: Variant) -> void:
 	if not body is Player:
 		body.queue_free()
 	
+func bulletDamage(body, bullet):
+	print("GC know about bullet hit")
+	body.queue_free()
+	

scripts/player.gd

@@ -1,29 +1,78 @@
 class_name Player extends CharacterBody2D
 
+@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 SPEED = 300.0
 const JUMP_VELOCITY = -400.0
 
+var direction
+enum FaceDirection{LEFT, RIGHT}
+var facing:FaceDirection = FaceDirection.RIGHT
+
+var pushTarget
+var pushEnabled := false
 
 func _physics_process(delta: float) -> void:
 	# Add the gravity.
-	if not is_on_floor():
+	handle_input()
-		velocity += get_gravity() * delta
+	handle_movement(delta)
-
+	move_and_slide()
-	# Handle jump.
+	handle_collisions()
-	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+			
-		velocity.y = JUMP_VELOCITY
+func handle_movement(delta:float) -> void:
-
-	# 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
 	else:
 		velocity.x = move_toward(velocity.x, 0, SPEED)
+	
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+		
+func handle_input():
+	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+		velocity.y = JUMP_VELOCITY
+	direction = Input.get_axis("ui_left", "ui_right")
+	if direction < 0:
+		facing = FaceDirection.LEFT
+	if direction > 0:
+		facing = FaceDirection.RIGHT
+	if Input.is_action_just_pressed("shove") && pushEnabled:
+		var shoveDirection:int
+		match facing:
+			FaceDirection.RIGHT:
+				shoveDirection = 1
+			FaceDirection.LEFT:
+				shoveDirection = -1
+		pushTarget.apply_central_impulse(Vector2(shoveDirection,0)*700)
+	if Input.is_action_just_pressed("shoot"):
+		print("Ima shoot")
+		match facing:
+			FaceDirection.RIGHT:
+				print("shoot to right")
+				%SceneManager.makeBullet(right_spawn.global_transform, 700)
+			FaceDirection.LEFT:
+				%SceneManager.makeBullet(left_spawn.global_transform, -700)
 
-	move_and_slide()
+func handle_collisions():
 	for i in get_slide_collision_count():
 		var c = get_slide_collision(i)
 		if c.get_collider() is RigidBody2D:
 			c.get_collider().apply_central_impulse(-c.get_normal() * 100)
+			
+	if right_cast.is_colliding() && facing==FaceDirection.RIGHT:
+		print("RC is colliding")
+		var collider = right_cast.get_collider()
+		if collider is Node && collider is RigidBody2D && collider.is_in_group("pushables"):
+			pushTarget = collider
+			pushEnabled = true
+	if left_cast.is_colliding() && facing==FaceDirection.LEFT:
+		var collider = left_cast.get_collider()
+		if collider is Node && collider is RigidBody2D && collider.is_in_group("pushables"):
+			pushTarget = collider
+			pushEnabled = true
+			
+	if not right_cast.is_colliding() && not left_cast.is_colliding():
+		pushEnabled = false

scripts/scene_manager.gd

@@ -0,0 +1,34 @@
+class_name SceneManager extends Node2D
+var bulletArray =[]
+var totalAllowedBullets = 7
+var bullet = preload("res://scenes/bullet.tscn")
+@onready var game: Node2D = $".."
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+# makes and recycles bullets
+func bulletFactory():
+	var myBullet:Bullet
+	if bulletArray.size() < totalAllowedBullets:
+		#make a new bullet
+		myBullet = bullet.instantiate()
+		myBullet.bulletDamageSignal.connect(game.bulletDamage)
+		owner.add_child(myBullet)
+	else:
+		myBullet = bulletArray.pop_back()
+		
+	bulletArray.push_front(myBullet)
+	return myBullet
+	
+func makeBullet(position, speed):
+	var someBullet = bulletFactory()
+	someBullet.setSpeed(speed)
+	# postition the bullet
+	someBullet.transform = position

scripts/scene_manager.gd.uid

@@ -0,0 +1 @@
+uid://d1daji4xwuj03