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ch_core.open_submod("markers", {})
local texture = "ch_core_chessboard.png^[makealpha:255,255,255^[opacity:240"
local function remove_object(self)
self.object:remove()
end
local function remove_object_after(self, delay)
if delay > 0 then
minetest.after(delay, remove_object, self)
else
remove_object(self)
end
end
local function remove_object_after_timeout(self, shift)
remove_object_after(self, (self.timeout or shift) - shift)
end
local function on_activate(self, staticdata, dtime_s)
minetest.after(1, remove_object_after_timeout, self, 1)
end
local def = {
initial_properties = {
physical = false,
pointable = false,
visual = "cube",
textures = {texture, texture, texture, texture, texture, texture},
use_texture_alpha = true,
backface_culling = false,
static_save = false,
shaded = false,
},
on_activate = on_activate,
}
minetest.register_entity("ch_core:markers", def)
function ch_core.show_aabb(coords, timeout)
local size = vector.new(coords[4] - coords[1], coords[5] - coords[2], coords[6] - coords[3])
local center = vector.new(
0.5 * (coords[4] + coords[1]) - 0.5,
0.5 * (coords[5] + coords[2]) - 0.5,
0.5 * (coords[6] + coords[3]) - 0.5)
local obj = minetest.add_entity(center, "ch_core:markers")
obj:set_properties{visual_size = size}
obj:get_luaentity().timeout = timeout or 16
return obj
end
ch_core.close_submod("markers")
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