add projectiles

resources/materials/debug/debug_projectile.tres

@@ -0,0 +1,15 @@
+[gd_resource type="StandardMaterial3D" load_steps=3 format=3 uid="uid://cux40v5s5sok3"]
+
+[ext_resource type="Shader" path="res://shaders/wireframe.gdshader" id="1_8koui"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_ionb4"]
+render_priority = 0
+shader = ExtResource("1_8koui")
+shader_parameter/albedo = Color(1, 0, 1, 1)
+shader_parameter/outline_width = 0.0
+
+[resource]
+next_pass = SubResource("ShaderMaterial_ionb4")
+transparency = 1
+shading_mode = 0
+albedo_color = Color(1, 0, 1, 0.435294)

scenes/enemies/projectile_spawner.tscn

@@ -0,0 +1,29 @@
+[gd_scene load_steps=5 format=3 uid="uid://cksoaevb5sloo"]
+
+[ext_resource type="Script" path="res://scripts/enemies/projectile_spawner.gd" id="1_fdaky"]
+[ext_resource type="PackedScene" uid="uid://cejn8wfgw14xs" path="res://scenes/projectiles/projectile.tscn" id="2_p0btw"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_860q6"]
+
+[sub_resource type="CylinderMesh" id="CylinderMesh_esok8"]
+top_radius = 0.25
+bottom_radius = 0.25
+height = 0.635
+
+[node name="ProjectileSpawner" type="Node3D" node_paths=PackedStringArray("_spawn_point")]
+script = ExtResource("1_fdaky")
+_spawn_point = NodePath("Marker3D")
+_projectile_scene = ExtResource("2_p0btw")
+_velocity = Vector3(0, 0, -5)
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5, 0)
+mesh = SubResource("BoxMesh_860q6")
+
+[node name="MeshInstance3D2" type="MeshInstance3D" parent="MeshInstance3D"]
+transform = Transform3D(1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, -0.339801)
+mesh = SubResource("CylinderMesh_esok8")
+skeleton = NodePath("../..")
+
+[node name="Marker3D" type="Marker3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.624811, -0.590804)

scenes/projectiles/projectile.tscn

@@ -0,0 +1,24 @@
+[gd_scene load_steps=5 format=3 uid="uid://cejn8wfgw14xs"]
+
+[ext_resource type="Script" path="res://scripts/projectiles/projectile.gd" id="1_kv6x5"]
+[ext_resource type="Material" uid="uid://cux40v5s5sok3" path="res://resources/materials/debug/debug_projectile.tres" id="2_b024o"]
+
+[sub_resource type="SphereShape3D" id="SphereShape3D_vc8th"]
+radius = 0.25
+
+[sub_resource type="SphereMesh" id="SphereMesh_ctqwx"]
+radius = 0.25
+height = 0.5
+
+[node name="Projectile" type="Area3D"]
+top_level = true
+collision_layer = 32
+collision_mask = 32
+script = ExtResource("1_kv6x5")
+_collision_debug_material = ExtResource("2_b024o")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+shape = SubResource("SphereShape3D_vc8th")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_ctqwx")

scenes/test.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=5 format=3 uid="uid://c0buetf2h266d"]
+[gd_scene load_steps=6 format=3 uid="uid://c0buetf2h266d"]
 
 [ext_resource type="Material" uid="uid://btpy4dp5lb8il" path="res://resources/materials/test_triplanar.tres" id="1_ixaua"]
 [ext_resource type="PackedScene" uid="uid://b73y71y3efmv" path="res://scenes/player.tscn" id="2_f4ehn"]
 [ext_resource type="Script" path="res://scripts/main_camera.gd" id="3_f4hhh"]
+[ext_resource type="PackedScene" uid="uid://cksoaevb5sloo" path="res://scenes/enemies/projectile_spawner.tscn" id="4_84n74"]
 
 [sub_resource type="Environment" id="Environment_wctar"]
 
@@ -40,3 +41,6 @@ current = true
 fov = 20.0
 near = 35.0
 script = ExtResource("3_f4hhh")
+
+[node name="ProjectileSpawner" parent="." instance=ExtResource("4_84n74")]
+transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 9.97514, 0, -7.30423)

scripts/debug/debug_collision_shapes.gd

@@ -1,6 +1,8 @@
 class_name DebugCollisionShapes
 extends RefCounted
 
+const MARGIN = 0.01
+
 var _mesh_nodes: Array[MeshInstance3D] = []
 
 
@@ -21,32 +23,32 @@ func init(children: Array[Node], parent: Node, material: Material) -> void:
 		if shape_node.shape is CapsuleShape3D:
 			var shape := shape_node.shape as CapsuleShape3D
 			var mesh := CapsuleMesh.new()
-			mesh.radius = shape.radius
-			mesh.height = shape.height
+			mesh.radius = shape.radius + MARGIN
+			mesh.height = shape.height + MARGIN
 			mesh.radial_segments = 8
 			mesh.rings = 1
 			mesh_node.mesh = mesh
 		if shape_node.shape is SphereShape3D:
 			var shape := shape_node.shape as SphereShape3D
 			var mesh := SphereMesh.new()
-			mesh.radius = shape.radius
-			mesh.height = shape.radius * 2
+			mesh.radius = shape.radius + MARGIN
+			mesh.height = shape.radius * 2 + MARGIN
 			mesh.radial_segments = 8
 			mesh.rings = 4
 			mesh_node.mesh = mesh
 		if shape_node.shape is CylinderShape3D:
 			var shape := shape_node.shape as CylinderShape3D
 			var mesh := CylinderMesh.new()
-			mesh.top_radius = shape.radius
-			mesh.bottom_radius = shape.radius
-			mesh.height = shape.height
+			mesh.top_radius = shape.radius + MARGIN
+			mesh.bottom_radius = shape.radius + MARGIN
+			mesh.height = shape.height + MARGIN
 			mesh.radial_segments = 8
 			mesh.rings = 0
 			mesh_node.mesh = mesh
 
 		mesh_node.material_override = material
 		mesh_node.cast_shadow = GeometryInstance3D.SHADOW_CASTING_SETTING_OFF
-		mesh_node.visible = false
+		mesh_node.visible = Debugger.mode == Debugger.Mode.FULL
 		parent.add_child(mesh_node)
 		mesh_node.global_transform = (child as Node3D).global_transform
 		_mesh_nodes.append(mesh_node)

scripts/enemies/projectile_spawner.gd

@@ -0,0 +1,22 @@
+extends Node3D
+
+@export var _spawn_point: Node3D
+@export var _projectile_scene: PackedScene
+@export var _velocity: Vector3 = Vector3.FORWARD
+@export var _spawn_rate: float = 2
+
+var _spawn_timer: float
+
+
+func _ready() -> void:
+	_spawn_timer = _spawn_rate
+
+
+func _process(delta: float) -> void:
+	if _spawn_timer <= 0:
+		_spawn_timer = _spawn_rate
+		var projectile := _projectile_scene.instantiate() as Projectile
+		projectile.init(basis * _velocity, _spawn_point.global_position)
+		add_child(projectile)
+
+	_spawn_timer -= delta

scripts/projectiles/projectile.gd

@@ -0,0 +1,32 @@
+class_name Projectile
+extends Area3D
+
+@export var _collision_debug_material: Material
+
+var _start_position: Vector3
+var _velocity: Vector3
+var _lifetime: float
+
+var _life_timer: float
+
+var _debug_collision_shapes := DebugCollisionShapes.new()
+
+
+func _ready() -> void:
+	_life_timer = _lifetime
+	_debug_collision_shapes.init(get_children(), self, _collision_debug_material)
+	global_position = _start_position
+
+
+func _process(delta: float) -> void:
+	if _life_timer <= 0:
+		queue_free()
+
+	_life_timer -= delta
+	global_position += _velocity * delta
+
+
+func init(velocity: Vector3, start_position: Vector3, lifetime: float = 10) -> void:
+	_velocity = velocity
+	_start_position = start_position
+	_lifetime = lifetime