Add StkRigAdapter for runtime skeleton fitting and shape mounting

- Implemented StkRigAdapter class to adapt a master rig to a loaded .stk dictionary.
- Added methods for fitting bone lengths, recalibrating IK targets, and mounting vector shapes.
- Defined constants for default proportions and bone paths.
- Included error handling for missing nodes and invalid data structures.
This commit is contained in:
2026-08-18 17:12:54 -04:00
parent 1eeeb64b39
commit 48d98ce0fe
13 changed files with 1994 additions and 108 deletions
+99 -12
View File
@@ -48,10 +48,23 @@ const DEFAULT_POSITIONS: Dictionary = {
"right_lower_leg": Vector2(165, 210),
}
const FILE_VERSION := "1.3"
const FILE_VERSION := "1.4"
const FILE_FILTER := "*.stk ; Stickman Files"
const SUPPORTED_VERSIONS: Array[String] = ["1.0", "1.1", "1.2", "1.3"]
const SUPPORTED_VERSIONS: Array[String] = ["1.0", "1.1", "1.2", "1.3", "1.4"]
# Phase 8: rig proportions (master_rig.tscn rest pose — see spec §2).
const PROPORTIONS: Dictionary = {
"upper_arm_length": 168.0,
"lower_arm_length": 200.0,
"upper_leg_length": 200.0,
"lower_leg_length": 200.0,
"torso_length": 391.5,
}
const X_AXIS_PARTS: PackedStringArray = [
"left_upper_arm", "left_lower_arm", "right_upper_arm", "right_lower_arm",
]
const SETTINGS_PATH := "user://settings.json"
const SETTINGS_VERSION := "1.0"
@@ -89,7 +102,11 @@ var _shape_clipboard: Dictionary = {}
# Phase 6: recent colors
var _recent_colors: Array[String] = []
# Phase 7: pose silhouette guide (default ON per user decision)
var _show_guide: bool = true
var _edit_menu: PopupMenu
var _view_menu: PopupMenu
# ---------------------------------------------------------------------------
# Lifecycle
@@ -156,9 +173,13 @@ func _setup_menu_bar() -> void:
var view_menu: PopupMenu = PopupMenu.new()
view_menu.name = "ViewMenu"
view_menu.add_item("Reset Views", 0)
view_menu.add_separator()
view_menu.add_item(_guide_menu_label(), 1)
view_menu.id_pressed.connect(_on_view_menu_id_pressed)
view_menu.about_to_popup.connect(_on_view_menu_about_to_popup)
_menu_bar.add_child(view_menu)
_menu_bar.set_menu_title(_menu_bar.get_menu_count() - 1, "View")
_view_menu = view_menu
func _setup_dialogs() -> void:
@@ -225,7 +246,9 @@ func _on_edit_menu_id_pressed(id: int) -> void:
1: # Snap to Grid (checkable)
_snap_enabled = not _snap_enabled
if _edit_menu:
_edit_menu.set_item_text(1, _snap_menu_label())
var idx := _edit_menu.get_item_index(1)
if idx >= 0:
_edit_menu.set_item_text(idx, _snap_menu_label())
_save_settings()
_broadcast_settings()
_update_snap_status_label()
@@ -233,15 +256,38 @@ func _on_edit_menu_id_pressed(id: int) -> void:
func _on_edit_menu_about_to_popup() -> void:
if _edit_menu:
_edit_menu.set_item_text(1, _snap_menu_label())
var idx := _edit_menu.get_item_index(1)
if idx >= 0:
_edit_menu.set_item_text(idx, _snap_menu_label())
func _on_view_menu_id_pressed(id: int) -> void:
if id == 0: # Reset Views
for panel in _body_part_panels.values():
if panel is BodyPartPanel:
(panel as BodyPartPanel).reset_view()
_whole_preview.reset_view()
match id:
0: # Reset Views
for panel in _body_part_panels.values():
if panel is BodyPartPanel:
(panel as BodyPartPanel).reset_view()
_whole_preview.reset_view()
1: # Hide/Show Pose Guide
_show_guide = not _show_guide
_save_settings()
_broadcast_settings()
_update_guide_menu_item()
func _on_view_menu_about_to_popup() -> void:
_update_guide_menu_item()
func _update_guide_menu_item() -> void:
if _view_menu:
var idx := _view_menu.get_item_index(1)
if idx >= 0:
_view_menu.set_item_text(idx, _guide_menu_label())
func _guide_menu_label() -> String:
return "Hide Pose Guide" if _show_guide else "Show Pose Guide"
func _on_grid_config_confirmed() -> void:
@@ -327,6 +373,36 @@ func _on_preview_part_moved(_part_name: String, _new_position: Vector2) -> void:
# Data collection / JSON helpers
# ---------------------------------------------------------------------------
func _compute_part_pivot_length(shapes_arr: Array, part_name: String) -> Dictionary:
var min_x := INF
var min_y := INF
var max_x := -INF
var max_y := -INF
for sd in shapes_arr:
if not sd is Dictionary:
continue
for p in (sd as Dictionary).get("points", []):
if not p is Dictionary:
continue
var px: float = float((p as Dictionary).get("x", 0.0))
var py: float = float((p as Dictionary).get("y", 0.0))
min_x = minf(min_x, px)
min_y = minf(min_y, py)
max_x = maxf(max_x, px)
max_y = maxf(max_y, py)
if min_x > max_x or min_y > max_y:
return { "pivot": { "x": 0.0, "y": 0.0 }, "length": 0.0 }
var pivot := { "x": (min_x + max_x) * 0.5, "y": (min_y + max_y) * 0.5 }
var length: float
if X_AXIS_PARTS.has(part_name):
length = max_x - min_x
else:
length = max_y - min_y
return { "pivot": pivot, "length": length }
func _collect_all_shape_data() -> Dictionary:
var all_data: Dictionary = {}
for part_name: String in BODY_PART_NAMES:
@@ -336,11 +412,14 @@ func _collect_all_shape_data() -> Dictionary:
var pos := _whole_preview.get_part_position(part_name)
var rot := _whole_preview.get_part_rotation(part_name)
var scl := _whole_preview.get_part_scale(part_name)
var pl := _compute_part_pivot_length(shapes_arr, part_name)
all_data[part_name] = {
"shapes": shapes_arr,
"position": {"x": pos.x, "y": pos.y},
"rotation": rot,
"scale": {"x": scl.x, "y": scl.y}
"scale": {"x": scl.x, "y": scl.y},
"pivot": pl["pivot"],
"length": pl["length"],
}
return all_data
@@ -353,6 +432,7 @@ func _build_json_data() -> Dictionary:
"version": FILE_VERSION,
"stickman_name": _stickman_name_edit.text.strip_edges(),
"part_order": _whole_preview.get_part_order(),
"proportions": PROPORTIONS.duplicate(),
"body_parts": body_parts,
"metadata": {
"created_at": time_str,
@@ -369,7 +449,7 @@ func _apply_json_data(json: Variant) -> String:
var version: String = dict.get("version", "")
if version not in SUPPORTED_VERSIONS:
return "Unsupported file version: '%s' (expected '1.0', '1.1', '1.2', or '1.3')" % version
return "Unsupported file version: '%s' (expected '1.0', '1.1', '1.2', '1.3', or '1.4')" % version
_stickman_name_edit.text = dict.get("stickman_name", "")
@@ -527,6 +607,7 @@ func _load_settings() -> void:
var d := json as Dictionary
_grid_size = int(d.get("grid_size", DEFAULT_GRID_SIZE))
_snap_enabled = bool(d.get("snap_to_grid", false))
_show_guide = bool(d.get("show_pose_guide", true))
_grid_size = clampi(_grid_size, MIN_GRID_SIZE, MAX_GRID_SIZE)
var raw_colors: Variant = d.get("recent_colors", [])
@@ -539,7 +620,11 @@ func _load_settings() -> void:
_recent_colors.pop_back()
if _edit_menu:
_edit_menu.set_item_text(1, _snap_menu_label())
var idx := _edit_menu.get_item_index(1)
if idx >= 0:
_edit_menu.set_item_text(idx, _snap_menu_label())
if _view_menu:
_update_guide_menu_item()
func _save_settings() -> void:
@@ -548,6 +633,7 @@ func _save_settings() -> void:
"grid_size": _grid_size,
"snap_to_grid": _snap_enabled,
"recent_colors": _recent_colors,
"show_pose_guide": _show_guide,
}
var file := FileAccess.open(SETTINGS_PATH, FileAccess.WRITE)
if file:
@@ -563,6 +649,7 @@ func _broadcast_settings() -> void:
p.set_snap_enabled(_snap_enabled)
_whole_preview.set_grid_size(_grid_size)
_whole_preview.set_snap_enabled(_snap_enabled)
_whole_preview.set_show_guide(_show_guide)
func _snap_menu_label() -> String:
+319
View File
@@ -0,0 +1,319 @@
class_name StkRigAdapter
extends RefCounted
## StkRigAdapter - Standalone runtime adapter (Phase 8).
##
## Fits an instantiated master_rig.tscn to a loaded .stk dictionary: re-fits
## the skeleton bone lengths, recalibrates the IK targets, and mounts the
## .stk vector shapes onto the rig's Body/ visual nodes. Consumed by a future
## runtime pipeline, never referenced by the editor.
# ---------------------------------------------------------------------------
# Constants
# ---------------------------------------------------------------------------
const DEFAULT_LINE_WIDTH := 16.0
const ELBOW_REST_Y := -256.0
const DEFAULT_PROPORTIONS: Dictionary = {
"upper_arm_length": 168.0,
"lower_arm_length": 200.0,
"upper_leg_length": 200.0,
"lower_leg_length": 200.0,
"torso_length": 391.5,
}
const PART_KEYS: PackedStringArray = [
"head", "torso",
"left_upper_arm", "left_lower_arm",
"right_upper_arm", "right_lower_arm",
"left_upper_leg", "left_lower_leg",
"right_upper_leg", "right_lower_leg",
]
## Bone node paths (relative to rig root), keyed by part name.
const BONE_PATHS: Dictionary = {
"left_upper_arm": "Skeleton2D/Torso/LeftUpperArm",
"left_lower_arm": "Skeleton2D/Torso/LeftUpperArm/LeftLowerArm",
"right_upper_arm": "Skeleton2D/Torso/RightUpperArm",
"right_lower_arm": "Skeleton2D/Torso/RightUpperArm/RightLowerArm",
"left_upper_leg": "Skeleton2D/Torso/LeftUpperLeg",
"left_lower_leg": "Skeleton2D/Torso/LeftUpperLeg/LeftLowerLeg",
"right_upper_leg": "Skeleton2D/Torso/RightUpperLeg",
"right_lower_leg": "Skeleton2D/Torso/RightUpperLeg/RightLowerLeg",
}
## Body visual node paths (relative to rig root), keyed by part name.
const BODY_PATHS: Dictionary = {
"head": "Body/Head",
"torso": "Body/Body",
"left_upper_arm": "Body/LeftUpperArm",
"left_lower_arm": "Body/LeftLowerArm",
"right_upper_arm": "Body/RightUpperArm",
"right_lower_arm": "Body/RightLowerArm",
"left_upper_leg": "Body/LeftUpperLeg",
"left_lower_leg": "Body/LeftLowerLeg",
"right_upper_leg": "Body/RightUpperLeg",
"right_lower_leg": "Body/RightLowerLeg",
}
const IK_LEFT_HAND := "IK_Targets/Left_Hand"
const IK_RIGHT_HAND := "IK_Targets/Right_Hand"
const IK_LEFT_LEG := "IK_Targets/Left_Leg"
const IK_RIGHT_LEG := "IK_Targets/Right_Leg"
# ---------------------------------------------------------------------------
# Public API
# ---------------------------------------------------------------------------
static func apply(stk_data: Dictionary, rig: Node2D) -> void:
_fit_bones(stk_data, rig)
_recalibrate_ik(stk_data, rig)
_mount_shapes(stk_data, rig)
# ---------------------------------------------------------------------------
# Proportions
# ---------------------------------------------------------------------------
static func _get_proportions(stk_data: Dictionary) -> Dictionary:
var raw: Variant = stk_data.get("proportions", {})
if raw is Dictionary:
return raw as Dictionary
return {}
# ---------------------------------------------------------------------------
# Bone fitting
# ---------------------------------------------------------------------------
static func _fit_bones(stk_data: Dictionary, rig: Node2D) -> void:
var proportions := _get_proportions(stk_data)
var ua := float(proportions.get("upper_arm_length", DEFAULT_PROPORTIONS["upper_arm_length"]))
var la := float(proportions.get("lower_arm_length", DEFAULT_PROPORTIONS["lower_arm_length"]))
var ul := float(proportions.get("upper_leg_length", DEFAULT_PROPORTIONS["upper_leg_length"]))
var ll := float(proportions.get("lower_leg_length", DEFAULT_PROPORTIONS["lower_leg_length"]))
# Arms — upper length + lower-bone origin on X.
_set_prop(rig, BONE_PATHS["left_upper_arm"], "length", ua)
_set_prop(rig, BONE_PATHS["left_lower_arm"], "position", Vector2(-ua, 0.0))
_set_prop(rig, BONE_PATHS["left_lower_arm"], "length", la)
_set_prop(rig, BONE_PATHS["right_upper_arm"], "length", ua)
_set_prop(rig, BONE_PATHS["right_lower_arm"], "position", Vector2(ua, 0.0))
_set_prop(rig, BONE_PATHS["right_lower_arm"], "length", la)
# Legs — upper length + lower-bone origin on Y.
_set_prop(rig, BONE_PATHS["left_upper_leg"], "length", ul)
_set_prop(rig, BONE_PATHS["left_lower_leg"], "position", Vector2(0.0, ul))
_set_prop(rig, BONE_PATHS["left_lower_leg"], "length", ll)
_set_prop(rig, BONE_PATHS["right_upper_leg"], "length", ul)
_set_prop(rig, BONE_PATHS["right_lower_leg"], "position", Vector2(0.0, ul))
_set_prop(rig, BONE_PATHS["right_lower_leg"], "length", ll)
static func _set_prop(rig: Node2D, path: String, prop: String, value: Variant) -> void:
var node := rig.get_node_or_null(NodePath(path))
if node == null:
push_warning("StkRigAdapter: missing node '%s'; skipped '%s'." % [path, prop])
return
node.set(prop, value)
# ---------------------------------------------------------------------------
# IK target recalibration
# ---------------------------------------------------------------------------
static func _recalibrate_ik(stk_data: Dictionary, rig: Node2D) -> void:
var proportions := _get_proportions(stk_data)
var ua := float(proportions.get("upper_arm_length", DEFAULT_PROPORTIONS["upper_arm_length"]))
var la := float(proportions.get("lower_arm_length", DEFAULT_PROPORTIONS["lower_arm_length"]))
var ul := float(proportions.get("upper_leg_length", DEFAULT_PROPORTIONS["upper_leg_length"]))
var ll := float(proportions.get("lower_leg_length", DEFAULT_PROPORTIONS["lower_leg_length"]))
var left_leg := rig.get_node_or_null(NodePath(IK_LEFT_LEG)) as Node2D
if left_leg != null:
left_leg.position = Vector2(left_leg.position.x, ul + ll)
else:
push_warning("StkRigAdapter: missing IK target '%s'." % IK_LEFT_LEG)
var right_leg := rig.get_node_or_null(NodePath(IK_RIGHT_LEG)) as Node2D
if right_leg != null:
right_leg.position = Vector2(right_leg.position.x, ul + ll)
else:
push_warning("StkRigAdapter: missing IK target '%s'." % IK_RIGHT_LEG)
var left_hand := rig.get_node_or_null(NodePath(IK_LEFT_HAND)) as Node2D
if left_hand != null:
left_hand.position = Vector2(-ua, ELBOW_REST_Y - la)
else:
push_warning("StkRigAdapter: missing IK target '%s'." % IK_LEFT_HAND)
var right_hand := rig.get_node_or_null(NodePath(IK_RIGHT_HAND)) as Node2D
if right_hand != null:
right_hand.position = Vector2(ua, ELBOW_REST_Y - la)
else:
push_warning("StkRigAdapter: missing IK target '%s'." % IK_RIGHT_HAND)
# ---------------------------------------------------------------------------
# Visual shape mount
# ---------------------------------------------------------------------------
static func _mount_shapes(stk_data: Dictionary, rig: Node2D) -> void:
var body_parts_var: Variant = stk_data.get("body_parts", {})
if not body_parts_var is Dictionary:
push_warning("StkRigAdapter: 'body_parts' missing or invalid; no shapes mounted.")
return
var body_parts: Dictionary = body_parts_var as Dictionary
var proportions := _get_proportions(stk_data)
for part_name: String in PART_KEYS:
var visual := rig.get_node_or_null(NodePath(BODY_PATHS[part_name]))
if visual == null:
push_warning("StkRigAdapter: missing Body node for part '%s'; skipped." % part_name)
continue
var shapes: Array = []
var pivot := Vector2.ZERO
var part_length := 0.0
var part_data: Variant = body_parts.get(part_name, {})
if part_data is Dictionary:
var pd := part_data as Dictionary
var shapes_var: Variant = pd.get("shapes", [])
if shapes_var is Array:
shapes = shapes_var as Array
var pivot_var: Variant = pd.get("pivot", {})
if pivot_var is Dictionary:
var pv := pivot_var as Dictionary
pivot = Vector2(float(pv.get("x", 0.0)), float(pv.get("y", 0.0)))
part_length = float(pd.get("length", 0.0))
# Head: prefer setting the circle script's exports.
if part_name == "head" and ("radius" in visual):
_mount_head_circle(visual, shapes)
continue
var bone_length := _bone_length_for(part_name, proportions)
var scale_factor := 1.0
if part_name != "head" and part_length > 0.0001:
scale_factor = bone_length / part_length
_reset_own_geometry(visual)
_clear_visual_children(visual)
for shape in shapes:
if shape is Dictionary:
_mount_shape(visual, shape as Dictionary, pivot, scale_factor)
static func _bone_length_for(part_name: String, proportions: Dictionary) -> float:
match part_name:
"left_upper_arm", "right_upper_arm":
return float(proportions.get("upper_arm_length", DEFAULT_PROPORTIONS["upper_arm_length"]))
"left_lower_arm", "right_lower_arm":
return float(proportions.get("lower_arm_length", DEFAULT_PROPORTIONS["lower_arm_length"]))
"left_upper_leg", "right_upper_leg":
return float(proportions.get("upper_leg_length", DEFAULT_PROPORTIONS["upper_leg_length"]))
"left_lower_leg", "right_lower_leg":
return float(proportions.get("lower_leg_length", DEFAULT_PROPORTIONS["lower_leg_length"]))
"torso":
return float(proportions.get("torso_length", DEFAULT_PROPORTIONS["torso_length"]))
_:
return 1.0
static func _mount_head_circle(visual: Node, shapes: Array) -> void:
_clear_visual_children(visual)
if shapes.is_empty():
visual.set("radius", 0.0)
return
var radius := 0.0
var bbox := _compute_shapes_bbox(shapes)
if bbox.size.x > 0.0001 or bbox.size.y > 0.0001:
var diameter: float = bbox.size.y if bbox.size.y > 0.0001 else bbox.size.x
radius = diameter * 0.5
visual.set("radius", radius)
visual.set("color", _first_shape_color(shapes))
static func _mount_shape(visual: Node, shape: Dictionary, pivot: Vector2, scale_factor: float) -> void:
var pts := _transform_points(shape.get("points", []), pivot, scale_factor)
if pts.size() < 2:
return
var color := Color.from_string(str(shape.get("color", "#ffffff")), Color.WHITE)
var closed := bool(shape.get("closed", false))
if closed:
var poly := Polygon2D.new()
poly.polygon = pts
poly.color = color
visual.add_child(poly)
var outline := Line2D.new()
outline.points = pts
outline.closed = true
outline.width = DEFAULT_LINE_WIDTH
outline.default_color = color
visual.add_child(outline)
else:
var line := Line2D.new()
line.points = pts
line.width = DEFAULT_LINE_WIDTH
line.default_color = color
visual.add_child(line)
static func _transform_points(pts_var: Variant, pivot: Vector2, scale_factor: float) -> PackedVector2Array:
var out := PackedVector2Array()
if pts_var is Array:
for p in pts_var as Array:
if p is Dictionary:
var d := p as Dictionary
var pt := Vector2(float(d.get("x", 0.0)), float(d.get("y", 0.0)))
out.append((pt - pivot) * scale_factor)
elif p is Vector2:
out.append(((p as Vector2) - pivot) * scale_factor)
elif pts_var is PackedVector2Array:
for pt in pts_var as PackedVector2Array:
out.append((pt - pivot) * scale_factor)
return out
static func _reset_own_geometry(visual: Node) -> void:
if visual is Line2D:
(visual as Line2D).points = PackedVector2Array()
elif visual is Polygon2D:
(visual as Polygon2D).polygon = PackedVector2Array()
static func _clear_visual_children(visual: Node) -> void:
for child in visual.get_children():
if child is Line2D or child is Polygon2D:
visual.remove_child(child)
child.queue_free()
static func _compute_shapes_bbox(shapes: Array) -> Rect2:
var min_x := INF
var min_y := INF
var max_x := -INF
var max_y := -INF
for shape in shapes:
if not shape is Dictionary:
continue
var pts_var: Variant = (shape as Dictionary).get("points", [])
if pts_var is Array:
for p in pts_var as Array:
if p is Dictionary:
var d := p as Dictionary
min_x = minf(min_x, float(d.get("x", 0.0)))
min_y = minf(min_y, float(d.get("y", 0.0)))
max_x = maxf(max_x, float(d.get("x", 0.0)))
max_y = maxf(max_y, float(d.get("y", 0.0)))
if min_x > max_x or min_y > max_y:
return Rect2()
return Rect2(Vector2(min_x, min_y), Vector2(max_x - min_x, max_y - min_y))
static func _first_shape_color(shapes: Array) -> Color:
for shape in shapes:
if shape is Dictionary:
return Color.from_string(str((shape as Dictionary).get("color", "#ffffff")), Color.WHITE)
return Color.WHITE
+1
View File
@@ -0,0 +1 @@
uid://cxdghe86wml5e
+114
View File
@@ -42,6 +42,56 @@ const DEFAULT_PART_ORDER: PackedStringArray = [
"right_upper_leg", "right_lower_leg"
]
# Phase 7: pose silhouette guide
const GUIDE_JOINT_RADIUS: float = 6.0 # screen-space joint dot radius (px)
const GUIDE_SCALE: float = 1.0 # master_rig -> preview world scale (1:1, per user decision)
const GUIDE_FIGURE_CENTER: Vector2 = Vector2(0.0, -93.75) # master-space bbox center of the 1:1 guide figure
const GUIDE_HEAD_RADIUS: float = 100.0 # master-space head circle radius
const GUIDE_COLOR_LEFT: Color = Color(0.35, 0.70, 1.00, 0.45) # cyan-blue, semi
const GUIDE_COLOR_RIGHT: Color = Color(1.00, 0.50, 0.20, 0.45) # orange-red, semi
const GUIDE_COLOR_CENTRAL: Color = Color(1.00, 1.00, 1.00, 0.45) # white, semi
const GUIDE_JOINT_COLOR_LEFT: Color = Color(0.35, 0.70, 1.00, 0.65)
const GUIDE_JOINT_COLOR_RIGHT: Color = Color(1.00, 0.50, 0.20, 0.65)
const GUIDE_JOINT_COLOR_CENTRAL: Color = Color(1.00, 1.00, 1.00, 0.65)
const GUIDE_JOINTS: Dictionary = {
"Hips": Vector2(0.0, 0.0),
"Neck": Vector2(0.0, -391.5),
"Head": Vector2(0.0, -463.5),
"LeftShoulder": Vector2(0.0, -248.0),
"RightShoulder": Vector2(0.0, -248.0),
"LeftElbow": Vector2(-168.0, -256.0),
"RightElbow": Vector2(168.0, -256.0),
"LeftWrist": Vector2(-168.0, -456.0),
"RightWrist": Vector2(168.0, -456.0),
"LeftKnee": Vector2(-95.0, 176.0),
"RightKnee": Vector2(95.0, 176.0),
"LeftAnkle": Vector2(-96.0, 376.0),
"RightAnkle": Vector2(96.0, 376.0),
}
const GUIDE_LEFT_JOINTS: PackedStringArray = [
"LeftShoulder", "LeftElbow", "LeftWrist", "LeftKnee", "LeftAnkle"
]
const GUIDE_RIGHT_JOINTS: PackedStringArray = [
"RightShoulder", "RightElbow", "RightWrist", "RightKnee", "RightAnkle"
]
# any joint not in LEFT/RIGHT is central (Hips, Neck, Head)
const GUIDE_BONES: Array = [
["Hips", "Neck"], # spine (central)
["LeftShoulder", "LeftElbow"], # left upper arm
["LeftElbow", "LeftWrist"], # left forearm
["RightShoulder", "RightElbow"], # right upper arm
["RightElbow", "RightWrist"], # right forearm
["Hips", "LeftKnee"], # left thigh
["LeftKnee", "LeftAnkle"], # left shin
["Hips", "RightKnee"], # right thigh
["RightKnee", "RightAnkle"], # right shin
]
enum Interaction { NONE, TRANSLATE, ROTATE, SCALE }
# ---------------------------------------------------------------------------
@@ -95,6 +145,9 @@ var _context_menu: PopupMenu
# Phase 6: selection gizmos rendered on top
var _selected_gizmo_bounds: Rect2 = Rect2()
# Phase 7: pose silhouette guide (default ON per user decision)
var _show_guide: bool = true
# ---------------------------------------------------------------------------
# Public API
# ---------------------------------------------------------------------------
@@ -212,6 +265,12 @@ func set_snap_enabled(enabled: bool) -> void:
_snap_enabled = enabled
# Phase 7
func set_show_guide(enabled: bool) -> void:
_show_guide = enabled
preview_area.queue_redraw()
func reset_view() -> void:
_zoom = 1.0
_pan_offset = Vector2.ZERO
@@ -323,6 +382,9 @@ func _on_preview_draw() -> void:
if bounds.has_area():
_selected_gizmo_bounds = bounds
# Phase 7: ghost the silhouette guide IN FRONT of parts (below selection affordances)
_draw_silhouette_guide()
# Highlight dragged part
if not _dragging_part.is_empty() and _interaction == Interaction.TRANSLATE:
var bounds: Variant = _part_bounds.get(_dragging_part)
@@ -373,6 +435,58 @@ func _draw_grid() -> void:
y += gs
func _draw_silhouette_guide() -> void:
if not _show_guide:
return
var lw: float = 1.5 / _zoom # match _draw_polyline_preview stroke
var jr: float = GUIDE_JOINT_RADIUS / _zoom # constant 6px screen size
# 1. Limb / spine segments (semi-transparent)
for bone: Array in GUIDE_BONES:
var a: String = bone[0] as String
var b: String = bone[1] as String
if not (GUIDE_JOINTS.has(a) and GUIDE_JOINTS.has(b)):
continue
var pa: Vector2 = _guide_to_preview(GUIDE_JOINTS[a])
var pb: Vector2 = _guide_to_preview(GUIDE_JOINTS[b])
preview_area.draw_line(pa, pb, _guide_color(a), lw)
# 2. Head outline circle (central, semi-transparent)
var head_center: Vector2 = _guide_to_preview(GUIDE_JOINTS["Head"])
preview_area.draw_arc(
head_center,
GUIDE_HEAD_RADIUS * GUIDE_SCALE,
0.0, TAU, 48,
GUIDE_COLOR_CENTRAL, lw
)
# 3. Joint anchors (constant screen size)
for joint: String in GUIDE_JOINTS:
var p: Vector2 = _guide_to_preview(GUIDE_JOINTS[joint])
preview_area.draw_circle(p, jr, _guide_joint_color(joint))
func _guide_to_preview(master_pos: Vector2) -> Vector2:
return (master_pos - GUIDE_FIGURE_CENTER) * GUIDE_SCALE + preview_area.size * 0.5
func _guide_color(joint_name: String) -> Color:
if GUIDE_LEFT_JOINTS.has(joint_name):
return GUIDE_COLOR_LEFT
if GUIDE_RIGHT_JOINTS.has(joint_name):
return GUIDE_COLOR_RIGHT
return GUIDE_COLOR_CENTRAL
func _guide_joint_color(joint_name: String) -> Color:
if GUIDE_LEFT_JOINTS.has(joint_name):
return GUIDE_JOINT_COLOR_LEFT
if GUIDE_RIGHT_JOINTS.has(joint_name):
return GUIDE_JOINT_COLOR_RIGHT
return GUIDE_JOINT_COLOR_CENTRAL
func _draw_polyline_preview(pts: PackedVector2Array, color: Color, closed: bool) -> void:
for i: int in range(pts.size() - 1):
preview_area.draw_line(pts[i], pts[i + 1], color, 1.5)