Add first gun fire

The fire will be of a simple kind initially, but it could be swapped
during the game for something different (power-ups?)

assets/misc/SimpleGunShot.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/SimpleGunShot.png-9f4751826e09c42069e0e43d2842bcdb.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/misc/SimpleGunShot.png"
+dest_files=[ "res://.import/SimpleGunShot.png-9f4751826e09c42069e0e43d2842bcdb.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=false
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=false
+svg/scale=1.0

assets/misc/SimpleGunShot.tscn

@@ -0,0 +1,27 @@
+[gd_scene load_steps=6 format=2]
+
+[ext_resource path="res://assets/misc/SimpleGunShot.png" type="Texture" id=1]
+[ext_resource path="res://assets/misc/Hitbox.tscn" type="PackedScene" id=2]
+[ext_resource path="res://src/misc/SimpleGunShot.gd" type="Script" id=3]
+[ext_resource path="res://src/misc/SimpleGunShotHitbox.gd" type="Script" id=4]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 1.00781, 1.99957 )
+
+[node name="SimpleGunShot" type="KinematicBody2D"]
+visible = false
+collision_layer = 0
+collision_mask = 20
+script = ExtResource( 3 )
+
+[node name="Sprite" type="Sprite" parent="."]
+texture = ExtResource( 1 )
+
+[node name="GunShotHitbox" parent="." instance=ExtResource( 2 )]
+script = ExtResource( 4 )
+
+[node name="CollisionShape2D" parent="GunShotHitbox" index="0"]
+shape = SubResource( 1 )
+[connection signal="area_entered" from="GunShotHitbox" to="GunShotHitbox" method="_on_Hitbox_area_entered"]
+
+[editable path="GunShotHitbox"]

assets/players/Soldier.tscn

@@ -19,3 +19,6 @@ texture = ExtResource( 1 )
 position = Vector2( 0, 3 )
 rotation = 1.5708
 shape = SubResource( 1 )
+
+[node name="GunShot" type="Node2D" parent="."]
+position = Vector2( 5, -20 )

project.godot

@@ -57,9 +57,12 @@ ui_accept={
 "events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777221,"unicode":0,"echo":false,"script":null)
 , Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777222,"unicode":0,"echo":false,"script":null)
 , Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":0,"pressure":0.0,"pressed":false,"script":null)
-, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":32,"unicode":0,"echo":false,"script":null)
  ]
 }
+ui_select={
+"deadzone": 0.5,
+"events": [  ]
+}
 ui_left={
 "deadzone": 0.5,
 "events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777231,"unicode":0,"echo":false,"script":null)
@@ -88,6 +91,12 @@ ui_down={
 , Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":83,"unicode":0,"echo":false,"script":null)
  ]
 }
+shoot={
+"deadzone": 0.5,
+"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":32,"unicode":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":0,"pressure":0.0,"pressed":false,"script":null)
+ ]
+}
 
 [layer_names]
 

src/misc/SimpleGunShot.gd

@@ -0,0 +1,11 @@
+extends KinematicBody2D
+
+export var SPEED = 5
+
+var _velocity = Vector2.ZERO
+
+func _ready():
+	visible = true
+
+func _physics_process(delta):
+	move_and_collide(Vector2(0, SPEED * -1))

src/misc/SimpleGunShotHitbox.gd

@@ -0,0 +1,4 @@
+extends Area2D
+
+func _on_Hitbox_area_entered(area):
+	queue_free()

src/players/Soldier.gd

@@ -1,21 +1,34 @@
 extends KinematicBody2D
 
+const SimpleGunShot = preload("res://assets/misc/SimpleGunShot.tscn")
+
 export var ACCELERATION: int = 700
 export var MAX_SPEED: int = 150
 export var ROLL_SPEED: int = 120
 export var FRICTION: int = 550
 
-var velocity: Vector2 = Vector2.ZERO
+var _velocity: Vector2 = Vector2.ZERO
 
 func _physics_process(delta: float) -> void:
+	if Input.is_action_just_pressed("shoot"):
+		shoot()
+	move(delta)
+
+func shoot() -> void:
+	var simpleGunShot := SimpleGunShot.instance()
+	var gunShot := get_node("GunShot")
+	simpleGunShot.position = gunShot.get_global_position()
+	get_tree().current_scene.add_child(simpleGunShot)
+
+func move(delta: float) -> void:
 	var input_vector := Vector2.ZERO
 	input_vector.x = Input.get_action_strength("ui_right") - Input.get_action_strength("ui_left")
 	input_vector.y = Input.get_action_strength("ui_down") - Input.get_action_strength("ui_up")
 	input_vector = input_vector.normalized()
 	
 	if input_vector != Vector2.ZERO:
-		input_vector = velocity.move_toward(input_vector * MAX_SPEED, ACCELERATION * delta)
+		input_vector = _velocity.move_toward(input_vector * MAX_SPEED, ACCELERATION * delta)
 	else:
-		input_vector = velocity.move_toward(Vector2.ZERO, FRICTION * delta)
+		input_vector = _velocity.move_toward(Vector2.ZERO, FRICTION * delta)
 	
-	velocity = move_and_slide(input_vector)
+	_velocity = move_and_slide(input_vector)