71 lines
1.8 KiB
GDScript
71 lines
1.8 KiB
GDScript
extends EditorNode3DGizmoPlugin
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func _init():
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print("[gizmo] _init")
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create_material("main", Color(1,0,1), false, true, false)
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func _get_gizmo_name() -> String:
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return "PortalGizmo"
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func _has_gizmo(for_node_3d: Node3D) -> bool:
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var result: bool = for_node_3d is Portal
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return result
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func _redraw(gizmo):
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var portal = gizmo.get_node_3d() as Portal
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gizmo.clear() # Always clear the gizmo
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if portal not in EditorInterface.get_selection().get_selected_nodes():
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return # If not selected, don't draw anything
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var lines = PackedVector3Array()
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if portal.exit_portal != null:
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# Draw a bezier curve connecting the two portals
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var exit = portal.exit_portal
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var D = portal.global_position.distance_to(exit.global_position)
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var p0 = portal.global_position
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var p3 = exit.global_position
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var p1 = p0 -portal.global_transform.basis.z * D * 0.25
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var p2 = p3 -exit.global_transform.basis.z * D * 0.25
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p0 = portal.to_local(p0)
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p1 = portal.to_local(p1)
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p2 = portal.to_local(p2)
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p3 = portal.to_local(p3)
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lines.push_back(p0)
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const RESOLUTION: int = 24
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for i in range(1, RESOLUTION + 1):
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var t: float = float(i) / RESOLUTION
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var spline_pos: Vector3 = pow(1 - t, 3) * p0 \
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+ 3 * pow(1 - t, 2) * t * p1 \
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+ 3 * (1 - t) * pow(t, 2) * p2 \
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+ pow(t, 3) * p3
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lines.push_back(spline_pos)
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lines.push_back(spline_pos)
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lines.push_back(p3)
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#var handles = PackedVector3Array()
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#handles.push_back(Vector3(0, 1, 0))
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#handles.push_back(Vector3(0, 2, 0))
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gizmo.add_lines(lines, get_material("main", gizmo))
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# Thicker dashed line
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var l2 = lines.duplicate()
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for i in range(l2.size()): l2[i].x += 0.01
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gizmo.add_lines(l2, get_material("main", gizmo))
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#gizmo.add_handles(handles, get_material("handles", gizmo), [])
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