Adding repo style character, and fixing some movement bugs

2025-12-21 20:54:17 -06:00
parent acfcd09fe1
commit 9a56091e8e
5 changed files with 325 additions and 11 deletions
@@ -0,0 +1,156 @@
+extends Node3D
+
+@export var left_pupil_path: NodePath = NodePath("Body/HeadPivot/EyeLeft/Pupil")
+@export var right_pupil_path: NodePath = NodePath("Body/HeadPivot/EyeRight/Pupil")
+@export var camera_path: NodePath
+@export var look_origin_path: NodePath = NodePath("Body/HeadPivot")
+@export var look_reference_path: NodePath = NodePath("Body")
+@export var lock_vertical: bool = true
+@export var vertical_unlock_height: float = 0.6
+@export var vertical_lock_smooth_speed: float = 6.0
+@export var vertical_lock_hold_time: float = 0.3
+@export var max_look_angle_deg: float = 90.0
+@export var eye_return_speed: float = 0.2
+@export var max_offset: float = 0.08
+@export var side_eye_boost: float = 1.4
+@export var head_path: NodePath = NodePath("Body/HeadPivot")
+@export var head_turn_speed: float = 16.0
+@export var head_max_yaw_deg: float = 55.0
+@export var head_max_pitch_deg: float = 22.0
+
+var _left_pupil: Node3D
+var _right_pupil: Node3D
+var _left_base: Vector3
+var _right_base: Vector3
+var _camera: Camera3D
+var _look_origin: Node3D
+var _head: Node3D
+var _head_base_rot: Vector3
+var _vertical_lock_factor: float = 1.0
+var _vertical_hold_timer: float = 0.0
+var _look_reference: Node3D
+
+
+func _ready() -> void:
+	_left_pupil = get_node_or_null(left_pupil_path) as Node3D
+	_right_pupil = get_node_or_null(right_pupil_path) as Node3D
+	if _left_pupil:
+		_left_base = _left_pupil.position
+	if _right_pupil:
+		_right_base = _right_pupil.position
+	_camera = _resolve_camera()
+	_look_origin = get_node_or_null(look_origin_path) as Node3D
+	_look_reference = get_node_or_null(look_reference_path) as Node3D
+	_head = get_node_or_null(head_path) as Node3D
+	if _head:
+		_head_base_rot = _head.rotation
+
+
+func _physics_process(_delta: float) -> void:
+	_update_pupils()
+
+
+func _process(_delta: float) -> void:
+	_update_pupils()
+
+
+func _update_pupils() -> void:
+	if _camera == null or not _camera.is_inside_tree():
+		_camera = _resolve_camera()
+	if _camera == null:
+		return
+	var origin := _look_origin
+	if origin == null:
+		origin = self
+	var target := _camera.global_position
+	var dir_world := target - origin.global_position
+	if dir_world.length_squared() <= 0.0001:
+		return
+	dir_world = dir_world.normalized()
+	var reference := _look_reference if _look_reference != null else origin
+	var forward := -reference.global_basis.z
+	var min_dot := cos(deg_to_rad(max_look_angle_deg))
+	var can_look := dir_world.dot(forward) >= min_dot
+	if not can_look:
+		var delta := get_process_delta_time()
+		if _left_pupil:
+			var target_left := Vector3(_left_base.x, _left_base.y, _left_base.z)
+			var pos_left := _left_pupil.position
+			pos_left.x = move_toward(pos_left.x, target_left.x, eye_return_speed * delta)
+			pos_left.y = target_left.y
+			pos_left.z = move_toward(pos_left.z, target_left.z, eye_return_speed * delta)
+			_left_pupil.position = pos_left
+		if _right_pupil:
+			var target_right := Vector3(_right_base.x, _right_base.y, _right_base.z)
+			var pos_right := _right_pupil.position
+			pos_right.x = move_toward(pos_right.x, target_right.x, eye_return_speed * delta)
+			pos_right.y = target_right.y
+			pos_right.z = move_toward(pos_right.z, target_right.z, eye_return_speed * delta)
+			_right_pupil.position = pos_right
+		if _head:
+			_head.rotation.x = _head_base_rot.x
+			_head.rotation.y = lerp_angle(_head.rotation.y, _head_base_rot.y, head_turn_speed * delta)
+		return
+	if lock_vertical:
+		var origin_y := origin.global_position.y
+		var target_offset := target.y - origin_y
+		var is_above := target_offset > vertical_unlock_height
+		if is_above:
+			_vertical_hold_timer = vertical_lock_hold_time
+		else:
+			_vertical_hold_timer = max(0.0, _vertical_hold_timer - get_process_delta_time())
+		if is_above:
+			_vertical_lock_factor = 1.0
+		else:
+			var unlock := 1.0 if _vertical_hold_timer > 0.0 else 0.0
+			_vertical_lock_factor = move_toward(_vertical_lock_factor, unlock, vertical_lock_smooth_speed * get_process_delta_time())
+		target.y = lerp(origin_y, target.y, _vertical_lock_factor)
+		dir_world = target - origin.global_position
+		if dir_world.length_squared() <= 0.0001:
+			return
+		dir_world = dir_world.normalized()
+	if _left_pupil:
+		_update_eye(_left_pupil, _left_base, dir_world)
+	if _right_pupil:
+		_update_eye(_right_pupil, _right_base, dir_world)
+	if _head:
+		_update_head(dir_world)
+
+
+func _resolve_camera() -> Camera3D:
+	if camera_path != NodePath(""):
+		var from_path := get_node_or_null(camera_path) as Camera3D
+		if from_path:
+			return from_path
+	var viewport_cam := get_viewport().get_camera_3d()
+	if viewport_cam:
+		return viewport_cam
+	var by_name := get_tree().get_root().find_child("Camera3D", true, false) as Camera3D
+	return by_name
+
+
+func _update_eye(eye: Node3D, base_pos: Vector3, dir_world: Vector3) -> void:
+	var parent := eye.get_parent() as Node3D
+	if parent == null:
+		return
+	var dir_local := parent.global_basis.inverse() * dir_world
+	var flat := Vector2(dir_local.x, dir_local.y)
+	flat.x *= side_eye_boost
+	if flat.length() > 1.0:
+		flat = flat.normalized()
+	var offset := Vector3(flat.x, flat.y, 0.0) * max_offset
+	eye.position = base_pos + offset
+
+
+func _update_head(dir_world: Vector3) -> void:
+	var parent := _head.get_parent() as Node3D
+	if parent == null:
+		return
+	var dir_local := parent.global_basis.inverse() * dir_world
+	var yaw := atan2(-dir_local.x, -dir_local.z)
+	var pitch := atan2(dir_local.y, -dir_local.z)
+	yaw = clamp(yaw, deg_to_rad(-head_max_yaw_deg), deg_to_rad(head_max_yaw_deg))
+	pitch = clamp(pitch, deg_to_rad(-head_max_pitch_deg), deg_to_rad(head_max_pitch_deg))
+	var target := Vector3(_head_base_rot.x + pitch, _head_base_rot.y + yaw, _head_base_rot.z)
+	_head.rotation.x = lerp_angle(_head.rotation.x, target.x, head_turn_speed * get_process_delta_time())
+	_head.rotation.y = lerp_angle(_head.rotation.y, target.y, head_turn_speed * get_process_delta_time())
@@ -0,0 +1 @@
+uid://bs3eqqujhetsm
@@ -0,0 +1,111 @@
+[gd_scene load_steps=14 format=3]
+
+[ext_resource type="Script" path="res://scenes/Characters/repo_bot.gd" id="1_repo_bot"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_body"]
+albedo_color = Color(0.78, 0.8, 0.82, 1)
+metallic = 0.2
+roughness = 0.35
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_accent"]
+albedo_color = Color(0.25, 0.82, 0.55, 1)
+emission_enabled = true
+emission = Color(0.25, 0.82, 0.55, 1)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_eye_white"]
+albedo_color = Color(0.95, 0.95, 0.95, 1)
+roughness = 0.2
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_pupil"]
+albedo_color = Color(0.02, 0.02, 0.02, 1)
+roughness = 0.8
+
+[sub_resource type="CapsuleMesh" id="CapsuleMesh_body"]
+radius = 0.25
+height = 0.6
+material = SubResource("StandardMaterial3D_body")
+
+[sub_resource type="SphereMesh" id="SphereMesh_head"]
+radius = 0.22
+height = 0.44
+material = SubResource("StandardMaterial3D_body")
+
+[sub_resource type="SphereMesh" id="SphereMesh_eye_white"]
+radius = 0.075
+height = 0.15
+material = SubResource("StandardMaterial3D_eye_white")
+
+[sub_resource type="SphereMesh" id="SphereMesh_pupil"]
+radius = 0.028
+height = 0.056
+material = SubResource("StandardMaterial3D_pupil")
+
+[sub_resource type="CylinderMesh" id="CylinderMesh_limb"]
+top_radius = 0.06
+bottom_radius = 0.06
+height = 0.35
+material = SubResource("StandardMaterial3D_body")
+
+[sub_resource type="BoxMesh" id="BoxMesh_pack"]
+size = Vector3(0.26, 0.3, 0.12)
+material = SubResource("StandardMaterial3D_accent")
+
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_body"]
+radius = 0.3
+height = 1.1
+
+[node name="RepoBot" type="Node3D"]
+script = ExtResource("1_repo_bot")
+
+[node name="Body" type="StaticBody3D" parent="."]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Body"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.55, 0)
+shape = SubResource("CapsuleShape3D_body")
+
+[node name="Torso" type="MeshInstance3D" parent="Body"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5, 0)
+mesh = SubResource("CapsuleMesh_body")
+
+[node name="HeadPivot" type="Node3D" parent="Body"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.95, 0)
+
+[node name="Head" type="MeshInstance3D" parent="Body/HeadPivot"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0)
+mesh = SubResource("SphereMesh_head")
+
+[node name="EyeLeft" type="MeshInstance3D" parent="Body/HeadPivot"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.09, 0, -0.205)
+mesh = SubResource("SphereMesh_eye_white")
+
+[node name="Pupil" type="MeshInstance3D" parent="Body/HeadPivot/EyeLeft"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -0.06)
+mesh = SubResource("SphereMesh_pupil")
+
+[node name="EyeRight" type="MeshInstance3D" parent="Body/HeadPivot"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.09, 0, -0.205)
+mesh = SubResource("SphereMesh_eye_white")
+
+[node name="Pupil" type="MeshInstance3D" parent="Body/HeadPivot/EyeRight"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -0.06)
+mesh = SubResource("SphereMesh_pupil")
+
+[node name="ArmLeft" type="MeshInstance3D" parent="Body"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.32, 0.55, 0)
+mesh = SubResource("CylinderMesh_limb")
+
+[node name="ArmRight" type="MeshInstance3D" parent="Body"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.32, 0.55, 0)
+mesh = SubResource("CylinderMesh_limb")
+
+[node name="LegLeft" type="MeshInstance3D" parent="Body"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.12, 0.15, 0)
+mesh = SubResource("CylinderMesh_limb")
+
+[node name="LegRight" type="MeshInstance3D" parent="Body"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.12, 0.15, 0)
+mesh = SubResource("CylinderMesh_limb")
+
+[node name="Backpack" type="MeshInstance3D" parent="Body"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.6, 0.22)
+mesh = SubResource("BoxMesh_pack")