Better bullet traces and raycast for hitscan

scenes/characters/blue/dummy.gd

@@ -0,0 +1,16 @@
+extends Node3D
+
+
+# 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
+
+
+func _on_head_collision_body_part_hit(dam: Variant) -> void:
+	print("head is hit")
+	pass # Replace with function body.

scenes/characters/blue/dummy.tscn

@@ -1,4 +1,7 @@
-[gd_scene load_steps=9 format=4 uid="uid://1txob6jskn5s"]
+[gd_scene load_steps=12 format=4 uid="uid://1txob6jskn5s"]
+
+[ext_resource type="Script" path="res://scenes/characters/blue/dummy.gd" id="1_cyeub"]
+[ext_resource type="Script" path="res://scenes/characters/blue/head_collision.gd" id="1_lianf"]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_gqjtb"]
 resource_name = "Alpha_Joints_MAT"
@@ -255,6 +258,10 @@ blend_shape_mode = 0
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_j3emx"]
 albedo_color = Color(0, 0, 1, 1)
 
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_k5bjr"]
+radius = 11.245
+height = 27.8
+
 [sub_resource type="Animation" id="Animation_6g1lc"]
 resource_name = "Run Forward"
 length = 0.533333
@@ -861,6 +868,7 @@ _data = {
 
 [node name="Dummy" type="Node3D"]
 transform = Transform3D(-1, 0, -8.74228e-08, 0, 1, 0, 8.74228e-08, 0, -1, 0, 0, 0)
+script = ExtResource("1_cyeub")
 
 [node name="Body" type="Node3D" parent="."]
 
@@ -1333,7 +1341,25 @@ mesh = SubResource("ArrayMesh_8h4ki")
 skin = SubResource("Skin_hwx5g")
 surface_material_override/0 = SubResource("StandardMaterial3D_j3emx")
 
+[node name="HitCollisions" type="Node3D" parent="Body/Armature/Skeleton3D"]
+
+[node name="BoneAttachment3D" type="BoneAttachment3D" parent="Body/Armature/Skeleton3D"]
+transform = Transform3D(0.978017, -0.176546, -0.110972, 0.15839, 0.282801, 0.94601, -0.135631, -0.942791, 0.304547, -11.8203, 17.7472, -135.936)
+bone_name = "mixamorig_Head"
+bone_idx = 5
+
+[node name="HeadCollision" type="Area3D" parent="Body/Armature/Skeleton3D/BoneAttachment3D" groups=["body"]]
+transform = Transform3D(9.90229, 1.3945, -6.09554e-08, 0, -4.37114e-07, -10, -1.3945, 9.90229, -4.32843e-07, 0.58762, 7.43451, 1.4646)
+script = ExtResource("1_lianf")
+
+[node name="Collision" type="CollisionShape3D" parent="Body/Armature/Skeleton3D/BoneAttachment3D/HeadCollision"]
+shape = SubResource("CapsuleShape3D_k5bjr")
+
+[node name="CSGCylinder3D" type="CSGCylinder3D" parent="Body/Armature/Skeleton3D/BoneAttachment3D"]
+
 [node name="AnimationPlayer" type="AnimationPlayer" parent="Body"]
 libraries = {
 "": SubResource("AnimationLibrary_dbxeu")
 }
+
+[connection signal="body_part_hit" from="Body/Armature/Skeleton3D/BoneAttachment3D/HeadCollision" to="." method="_on_head_collision_body_part_hit"]

scenes/characters/blue/head_collision.gd

@@ -0,0 +1,16 @@
+extends Area3D
+
+@export var damage: int = 100
+
+signal body_part_hit(dam)
+# 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
+
+func hit():
+	emit_signal("body_part_hit", damage)

scenes/characters/placeholder.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=8 format=3 uid="uid://b10lpwfjgxds4"]
+[gd_scene load_steps=9 format=3 uid="uid://b10lpwfjgxds4"]
 
 [ext_resource type="Script" path="res://scripts/player/player_input_controller.gd" id="1_q75ai"]
+[ext_resource type="Texture2D" uid="uid://oopj5mj1vdp0" path="res://assets/crosshairs/crosshair_default.png" id="2_lsd7c"]
 
 [sub_resource type="CapsuleShape3D" id="CapsuleShape3D_jc50w"]
 radius = 0.3
@@ -90,7 +91,11 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.609154, 0)
 fov = 40.0
 
 [node name="BulletStartingPoint" type="Node3D" parent="FirstPersonCameraMount"]
-transform = Transform3D(-1, 0, -8.74228e-08, 0, 1, 0, 8.74228e-08, 0, -1, 0, 0, -0.343115)
+transform = Transform3D(-1, 0, -8.74228e-08, 0, 1, 0, 8.74228e-08, 0, -1, 0, 0, -0.42185)
+
+[node name="AimRay" type="RayCast3D" parent="FirstPersonCameraMount/BulletStartingPoint"]
+target_position = Vector3(0, 0, 1000)
+hit_from_inside = true
 
 [node name="GunMount" type="Node3D" parent="FirstPersonCameraMount"]
 
@@ -99,5 +104,31 @@ libraries = {
 "": SubResource("AnimationLibrary_u1b6p")
 }
 
+[node name="HUD" type="Control" parent="FirstPersonCameraMount"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = 8.0
+offset_right = 8.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 2
+
+[node name="TextureRect" type="TextureRect" parent="FirstPersonCameraMount/HUD"]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -36.0
+offset_top = -36.0
+offset_right = 36.0
+offset_bottom = 36.0
+grow_horizontal = 2
+grow_vertical = 2
+texture = ExtResource("2_lsd7c")
+
 [node name="ModelMount" type="Node3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -0.790262, 0)