Rebrand project and refresh title presentation

ui/components/bubble_menu/bubble_gradient_background.gd

@@ -0,0 +1,79 @@
+class_name BubbleGradientBackground
+extends Control
+
+const CORNER_SEGMENTS: int = 8
+
+var host_button: BaseButton
+var profile: BubbleMenuProfile
+
+
+func configure(
+	button: BaseButton,
+	menu_profile: BubbleMenuProfile,
+) -> void:
+	host_button = button
+	profile = menu_profile
+	mouse_filter = Control.MOUSE_FILTER_IGNORE
+	show_behind_parent = true
+	set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
+	queue_redraw()
+
+
+func _draw() -> void:
+	if host_button == null or profile == null or size.x <= 0.0 or size.y <= 0.0:
+		return
+	var fill_color: Color = _get_fill_color()
+	var top_color: Color = fill_color.lightened(profile.gradient_top_lift)
+	var points := PackedVector2Array()
+	_append_arc(points, Vector2(profile.corner_radius, profile.corner_radius), PI, PI * 1.5)
+	_append_arc(
+		points,
+		Vector2(size.x - profile.corner_radius, profile.corner_radius),
+		PI * 1.5,
+		TAU,
+	)
+	_append_arc(
+		points,
+		Vector2(size.x - profile.corner_radius, size.y - profile.corner_radius),
+		0.0,
+		PI * 0.5,
+	)
+	_append_arc(
+		points,
+		Vector2(profile.corner_radius, size.y - profile.corner_radius),
+		PI * 0.5,
+		PI,
+	)
+	var colors := PackedColorArray()
+	for point: Vector2 in points:
+		colors.append(top_color.lerp(fill_color, clampf(point.y / size.y, 0.0, 1.0)))
+	draw_polygon(points, colors)
+
+
+func _append_arc(
+	points: PackedVector2Array,
+	center: Vector2,
+	start_angle: float,
+	end_angle: float,
+) -> void:
+	var radius: float = minf(
+		float(profile.corner_radius),
+		minf(size.x, size.y) * 0.5,
+	)
+	for index: int in range(CORNER_SEGMENTS + 1):
+		var weight: float = float(index) / float(CORNER_SEGMENTS)
+		var angle: float = lerpf(start_angle, end_angle, weight)
+		points.append(center + Vector2(cos(angle), sin(angle)) * radius)
+
+
+func _get_fill_color() -> Color:
+	if host_button.disabled:
+		return profile.disabled_fill
+	match host_button.get_draw_mode():
+		BaseButton.DRAW_PRESSED, BaseButton.DRAW_HOVER_PRESSED:
+			return profile.pressed_fill
+		BaseButton.DRAW_HOVER:
+			return profile.hover_fill
+	if host_button.has_focus():
+		return profile.hover_fill
+	return profile.normal_fill