Source code for simvx.core.nodes_2d.marker

"""Marker2D -- Lightweight position marker for editor use."""

from __future__ import annotations

from ..descriptors import Property
from ..math.types import Vec2
from .node2d import Node2D




class Marker2D(Node2D):
    """Position marker for spawn points, waypoints, and reference positions.

    Invisible at runtime. The editor renders a coloured cross gizmo via get_gizmo_lines().
    """
    gizmo_colour = Property((1.0, 0.4, 0.7, 0.8), hint="Editor gizmo colour")
    gizmo_size = Property(10.0, range=(1, 100), hint="Cross size in pixels")



    def get_gizmo_lines(self) -> list[tuple[Vec2, Vec2]]:
        """Return line segments for an editor cross gizmo centred at global position."""
        p = self.world_position
        s = float(self.gizmo_size)
        return [
            (Vec2(p.x - s, p.y), Vec2(p.x + s, p.y)),
            (Vec2(p.x, p.y - s), Vec2(p.x, p.y + s)),
        ]