skrueckenandCursor
130532c4c9
Drop the interactive accel calibration and map left/right ship motion from absolute pod roll while held facing the player. Co-authored-by: Cursor <cursoragent@cursor.com>
84 lines
2.4 KiB
GDScript
84 lines
2.4 KiB
GDScript
extends SubViewportContainer
|
||
class_name OrientationGizmo
|
||
|
||
const MIN_ACCEL_LEN := 1000.0
|
||
const SMOOTH := 0.25
|
||
const VIEW_SIZE := Vector2(220, 220)
|
||
const ACTIVE_MODULATE := Color(1, 1, 1, 1)
|
||
const IDLE_MODULATE := Color(0.55, 0.58, 0.65, 0.85)
|
||
|
||
## Mesh TOP = local −Y.
|
||
## Flat accel ≈ +Z → side view, TOP at top of screen
|
||
## Facing accel ≈ −Y → TOP face toward camera
|
||
## Steer accel ≈ −X → facing + roll left (steering wheel)
|
||
var _basis_flat: Basis = Basis(Quaternion(Vector3.RIGHT, PI))
|
||
var _basis_facing: Basis = Basis(Quaternion(Vector3.RIGHT, -PI * 0.5))
|
||
|
||
@onready var _viewport: SubViewport = $SubViewport
|
||
@onready var _camera: Camera3D = $SubViewport/Camera3D
|
||
@onready var _pod: Node3D = $SubViewport/Pod
|
||
|
||
var _has_sample := false
|
||
var _target_basis := Basis.IDENTITY
|
||
|
||
|
||
func _ready() -> void:
|
||
custom_minimum_size = VIEW_SIZE
|
||
stretch = true
|
||
_viewport.own_world_3d = true
|
||
_viewport.transparent_bg = true
|
||
_viewport.size = Vector2i(VIEW_SIZE)
|
||
_viewport.render_target_update_mode = SubViewport.UPDATE_ALWAYS
|
||
_camera.projection = Camera3D.PROJECTION_ORTHOGONAL
|
||
_camera.size = 2.6
|
||
_camera.near = 0.05
|
||
_camera.far = 50.0
|
||
_camera.position = Vector3(0.0, 0.0, 3.2)
|
||
_camera.look_at(Vector3.ZERO, Vector3.UP)
|
||
clear()
|
||
|
||
|
||
func set_accel(v: Vector3) -> void:
|
||
if v.length() < MIN_ACCEL_LEN:
|
||
return
|
||
_has_sample = true
|
||
modulate = ACTIVE_MODULATE
|
||
_target_basis = _basis_from_accel(v)
|
||
|
||
|
||
func clear() -> void:
|
||
_has_sample = false
|
||
_target_basis = _basis_flat
|
||
if _pod != null:
|
||
_pod.basis = _basis_flat
|
||
modulate = IDLE_MODULATE
|
||
|
||
|
||
func _process(_delta: float) -> void:
|
||
if not _has_sample:
|
||
return
|
||
_pod.basis = _pod.basis.slerp(_target_basis, SMOOTH)
|
||
|
||
|
||
## Lenkrad-Roll in Radiant (links positiv). 0 wenn liegend oder in der Deadzone.
|
||
static func steer_roll(accel: Vector3, deadzone_rad: float = deg_to_rad(12.0)) -> float:
|
||
if accel.length() < MIN_ACCEL_LEN:
|
||
return 0.0
|
||
var n := accel.normalized()
|
||
var face_t := clampf(1.0 - maxf(n.z, 0.0), 0.0, 1.0)
|
||
if face_t < 0.25:
|
||
return 0.0
|
||
var roll := atan2(-n.x, -n.y)
|
||
if absf(roll) <= deadzone_rad:
|
||
return 0.0
|
||
return signf(roll) * (absf(roll) - deadzone_rad) * face_t
|
||
|
||
|
||
func _basis_from_accel(accel: Vector3) -> Basis:
|
||
var n := accel.normalized()
|
||
# 0 = liegend (+Z), 1 = aufgerichtet / gedreht (wenig +Z)
|
||
var face_t := clampf(1.0 - maxf(n.z, 0.0), 0.0, 1.0)
|
||
var b := _basis_flat.slerp(_basis_facing, face_t)
|
||
var roll := atan2(-n.x, -n.y)
|
||
return Basis(Quaternion(Vector3.BACK, roll * face_t)) * b
|