Basic node_box model examples

[tkerwel]

@cactuz_pl

thx to you i got now nice column for my greek/roman temple ...



hmmm did i not mention today already, that i realy like your posts.....

[cornernote]

LCD monitor model:

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node_box = {
        type = "fixed",
        fixed = {
            {-2.5136044e-2,-0.45259861,-1.0000000e-1, 2.4863956e-2,-2.5986075e-3,0.10000000},
            {0.13023723,-0.25615262,-0.40006064, 0.16023723,0.26767738,-0.37006064},
            {0.13023723,-0.25615274,0.37054221, 0.16023723,0.26767750,0.40054221},
            {0.13023723,-0.30600000,-0.40000000, 0.16023723,-0.25600000,0.40000000},
            {0.12945597,0.26433021,-0.40000000, 0.15945597,0.29433021,0.40000000},
            {2.9045502e-2,-0.25514168,-0.35000000, 7.9045502e-2,0.24485832,0.35000000},
            {8.0237234e-2,-0.30617002,-0.40000000, 0.13023723,0.29382998,0.40000000},
            {-0.25000000,-0.50000000,-0.25000000, 0.25000000,-0.45000000,0.25000000}
        },
    },

Feel free to use these data in your mod.

Thanks! I used this in my craft guide mod. I changed it so that it was facing towards you (had to swap x and z, then z*-1).

Works a treat in 3 directions, but the 4th it glitches.

In any case, really nice work!

[mauvebic]

Please sticky this thread :-) very handy

[cactuz_pl]

If someone have special request on model, please post it here. I will try help as I can.

[mauvebic]

various light fixtures if possible, not crazy about signlike/plantlike nodes generating light lol

[cactuz_pl]

Light fixtures (5):
Lamp1:


Lamp2:


Lamp3:


Lamp4:


Lamp5:


Download: .wings and .obj files

How to convert obj to minetest format? > 6th post of this topic.

8 lines starting on "v" are one cuboid (8 vertices), coordinates of cuboid in minetest lua files = 2 vertices {5th line, 3rd line}, .

If you have special wishes about light fixtures, post photos.

Feel free to use these data in your mod.

[tkerwel]

the last days i played a lot with mathemathic functions (cause my son in school doing it....)

so i am surpriesed that minetest can be used as a 3D Ploter for math functions .... a new pupose hahaha...

so whats this to do with node_boxes ? a lot, cause a node_box is a cube in 3D and we can adress all points inside this cube. if we know a math function like y=m*x+n we can put values into the node box and get a visual view of this function.

lets explane this with a little example. we need a slope ? okay this can be done easy with the function i already mention above. lets say it should be a slope witch have have the high side left and the low side on the right side

x
xx
xxx like this..... the math function is for this y=-1 *x

so how looks the code ?

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1. local node_box_slope ={} -- a array for the node_box
2. local detail =0.1                 -- detail level for the node_box ATTENTION to high values cause a meshbuffer overflow
3. for k =-0.5, 0.5, detail do   -- the shape of the node_box a cube from -0.5, -0.5, -0.5 to 0.5, 0.5, 0.5
4.       i= i +1                           --  array number count
5.       px = k                           -- k is the count for the px axis
6.       pz = 0                           -- as no change is needed on the z axis always from -0.5 to 0.5 this is zero as placeholder
7.       py = -1* k                     --  here out the math function you like for the gradient of the slope
8.       node_box_slope[i] ={ px, py, -0.5 ,              px+detail,    -0.5  , 0.5 }
9.  end
10. i=0


well now the whole box is in the array we just have now to put it into the world with the usual minetest.register_node function of minetest.

node_box = {
type = "fixed",
fixed = node_box_slope_corner,
},



thats all an.... now we defined with a math fuction a left to right to left gradient slope

[tonyka]

after making a thousand tests without success, I managed to make my toilet, open and close the lid retaining its situation, is that I had a typo in one of the nodes, the trick to work correctly is to isolate the value assigned to facedir (param2) in a local variable, then apply:

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local on_my-node_puncher = function (pos, node, puncher)
  if node.name == 'my-mod:my-node-1' then

    --taking the value of facedir
    local dir = node["param2"]

    minetest.env:add_node(pos, {name="my-mod:my-node-2", paramtype2='none', param2=dir})
    nodeupdate(pos)
  elseif node.name == 'my-mod:my-node-2' then

    --taking the value of facedir
    local dir = node["param2"]

    minetest.env:add_node(pos, {name="my-mod:my-node-1", paramtype2='none', param2=dir})
    nodeupdate(pos)
  end
end

minetest.register_on_punchnode(on_my-node_puncher)


so I think doing the same, we can do multi-node objects, have not tried it yet but I'm on it

[PilzAdam]

With this method you can create nodeboxes with pixels:

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local box = {
    {-1, -8, -1, 1, 8, 1},
    {-12, -8, -1, 12, -7, 1},
    {-5, -2, -5, 5, 8, 5}
}

local res = 16
for j,list in ipairs(box) do
    for i,int in ipairs(list) do
        list[i] = int/res
    end
    box[j] = list
end

in the node_box you can use:

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node_box = {
    type = "fixed",
    fixed = box
},

[PilzAdam]

My 3D player mod creates little nodeboxes for each not transparent pixel in the player texture:
https://github.com/PilzAdam/3d_player/blob/master/init.lua
I thought the code might be interesting for someone.

[Doc]

I am interested in learning about this more. Is it correct that setting tile means that each texture you put in that array goes in the corresponding mesh? Ie, tiles = {"default_wood.png", "default_stone.png"} means that

node_box = {
type = "fixed",
fixed = {
{-2.5136044e-2,-0.45259861,-1.0000000e-1, 2.4863956e-2,-2.5986075e-3,0.10000000}, (this will be wood)
{0.13023723,-0.25615262,-0.40006064, 0.16023723,0.26767738,-0.37006064} (this will be stone)
},
},
Am I correct? I really want to know more about the format of tile and how it corresponds with the node_box definition.

Thanks!

[Menche]

I am interested in learning about this more. Is it correct that setting tile means that each texture you put in that array goes in the corresponding mesh? Ie, tiles = {"default_wood.png", "default_stone.png"} means that

node_box = {
type = "fixed",
fixed = {
{-2.5136044e-2,-0.45259861,-1.0000000e-1, 2.4863956e-2,-2.5986075e-3,0.10000000}, (this will be wood)
{0.13023723,-0.25615262,-0.40006064, 0.16023723,0.26767738,-0.37006064} (this will be stone)
},
},
Am I correct? I really want to know more about the format of tile and how it corresponds with the node_box definition.

Thanks!

I don't think it's possible yet to texture individual cubes.

[markveidemanis]

can someone make a super thin panel that auto adjusts to position aswell as top and bottom

[tkerwel]

@markveidemanis
what you exactly want ... or what the purpose of a auto adjust panel ? and whats the "trigger" for the adjustment for top or bottom?
normaly you should make to node_boxes, one for top one for bottom. then have a small routine which prove for the trigger and then choose "top" or "bottom"

i think with the examples here and a bit of lua programming this isnt that hard to realize. why you dont try yourself and if you have problems i am sure lots of ppl here will help you. this is always the best way to learn, make your own mistakes ;-)

[markveidemanis]

one for the top, one for the bottom and one that auto adjusts to sides, must be quite thin, like hdblocks mod panels.

[tkerwel]

@markveidemanis

in the first post of this thread you already find a example for a panel with explanation, there are lots of more examples in here so i should be easy to create a panel yourself.

i guess the probleme is not to create a node box for this purpose (in fact you need one for every posibility of aglinment), the main goal is to prove what adjustmet you need before you place your nodebox.

in a lua function you have to check before if every node near the node you want to place is air or notair. and then place a node with a panel to this side (or oposite?).

as i said, why you dont try it yourself ? this is a good way to learn programming and i am sure ppl will help you if you ask.

[erlehmann]

I have made a Lego:

drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-0.5,-0.5,-0.5, 0.5,0.5,0.5},
{-0.4,0.5,-0.4, -0.1,0.6,-0.1},
{0.1,0.5,-0.4, 0.4,0.6,-0.1},
{-0.4,0.5,0.1, -0.1,0.6,0.4},
{0.1,0.5,0.1, 0.4,0.6,0.4},
},
},

[leetelate]

thanks for this thread - needed - also flowers mod for the selection box info <3 <3

my nodebox chinese lantern
node_box = {
type = "fixed",
fixed = {
{ -0.1, 0.4, -0.1, 0.1, 0.2, 0.1 }, --topknot

{-0.5, 0.3, -0.5, -0.4, 0.2, -0.4}, --pedestal
{ 0.4, 0.3, -0.5, 0.5, 0.2, -0.4}, --pedestal
{-0.5, 0.3, 0.4, -0.4, 0.2, 0.5}, --pedestal
{ 0.4, 0.3, 0.4, 0.5, 0.2, 0.5}, --pedestal

{-0.1, 0.3, -0.5, 0.1, 0.2, -0.4}, --pedestal
{-0.4, 0.3, -0.1, -0.5, 0.2, 0.1}, --pedestal
{-0.1, 0.3, 0.4, 0.1, 0.2, 0.5}, --pedestal
{ 0.4, 0.3, -0.1, 0.5, 0.2, 0.1}, --pedestal

{ -0.5, 0.2, -0.5, 0.5, 0.1, 0.5 }, --rainshield

{ -0.2, 0.1, -0.2, 0.2, -0.2, 0.2 }, --glowy bit

{ -0.3, -0.2, -0.3, 0.3, -0.4, 0.3 }, --base

{-0.3, -0.5, -0.3, -0.2, -0.4, -0.2}, --pedestal
{ 0.2, -0.5, -0.3, 0.3, -0.4, -0.2}, --pedestal
{-0.3, -0.5, 0.2, -0.2, -0.4, 0.3}, --pedestal
{ 0.2, -0.5, 0.2, 0.3, -0.4, 0.3}, --pedestal

{ -0.5, -0.5, -0.5, 0.5, -0.49, 0.5 }, --dirt
},
},
selection_box = {
type = "fixed",
fixed = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 },
},

texture is: (the pink and yellow and stuff is to see if anything is out of place - like if you see pink in the drawn node you have the topknot wrong dimension somehow


and i put the dirt layer in because dirt with grass changes to just dirt so gets covered

[philipbenr]

Column (three blocks):

Top:

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node_box = {
        type = "fixed",
        fixed = {
            {-0.2 ,-0.5 ,-0.3, 0.2,0.5 ,-0.2},
            {-0.2 ,-0.5,0.2, 0.2,0.5,0.3},
            {-0.3 ,-0.5 ,-0.2, 0.3,0.5,0.2},
            {-0.5 ,0.4 ,-0.5, 0.5 ,0.5,0.5},
            {-0.4 ,0.3 ,-0.4, 0.4 ,0.4,0.4}       
        },
    },

Middle:

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node_box = {
        type = "fixed",
        fixed = {
            {-0.2 ,-0.5 ,-0.3, 0.2,0.5 ,-0.2},
            {-0.2 ,-0.5,0.2, 0.2,0.5,0.3},
            {-0.3 ,-0.5 ,-0.2, 0.3,0.5,0.2},       
        },
    },

Bottom:

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node_box = {
        type = "fixed",
        fixed = {
            {-0.2 ,-0.5 ,-0.3, 0.2,0.5 ,-0.2},
            {-0.2 ,-0.5,0.2, 0.2,0.5,0.3},
            {-0.3 ,-0.5 ,-0.2, 0.3,0.5,0.2},
            {-0.5 ,-0.5 ,-0.5, 0.5 ,-0.4,0.5},
            {-0.4 ,-0.4 ,-0.4, 0.4 ,-0.3,0.4}       
        },
    },

Feel free to use these models in your mod.

I made this already, but cool.

Castle/palace window:

Without textures (This is four blocks;2x2, not 1 block):


With stone texture:


Bottom block (This is four blocks;2x2, not 1 block):

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node_box = {
        type = "fixed",
        fixed = {
            {-2.5000000e-2,-0.42500000,-0.50000000, 2.5000000e-2,-0.37500000,0.50000000},
            {-2.5000000e-2,-0.22500000,-0.50000000, 2.5000000e-2,-0.17500000,0.50000000},
            {-2.5000000e-2,0.37500000,-0.50000000, 2.5000000e-2,0.42500000,0.50000000},
            {-2.5000000e-2,0.17500000,-0.50000000, 2.5000000e-2,0.22500000,0.50000000},
            {-2.5000000e-2,-2.5000000e-2,-0.50000000, 2.5000000e-2,2.5000000e-2,0.50000000},
            {-2.5000000e-2,-0.50000000,-0.42500000, 2.5000000e-2,0.50000000,-0.37500000},
            {-2.5000000e-2,-0.50000000,-0.22500000, 2.5000000e-2,0.50000000,-0.17500000},
            {-2.5000000e-2,-0.50000000,0.37500000, 2.5000000e-2,0.50000000,0.42500000},
            {-2.5000000e-2,-0.50000000,0.17500000, 2.5000000e-2,0.50000000,0.22500000},
            {-2.5000000e-2,-0.50000000,-2.5000000e-2, 2.5000000e-2,0.50000000,2.5000000e-2},
        },
    },

Top block:

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node_box = {
        type = "fixed",
        fixed = {
            {-2.5000000e-2,-0.42500000,-0.50000000, 2.5000000e-2,-0.37500000,0.50000000},
            {-2.5000000e-2,-0.22500000,-0.50000000, 2.5000000e-2,-0.17500000,0.50000000},
            {-2.5000000e-2,0.37500000,-0.50000000, 2.5000000e-2,0.42500000,0.50000000},
            {-2.5000000e-2,0.17500000,-0.50000000, 2.5000000e-2,0.22500000,0.50000000},
            {-2.5000000e-2,-2.5000000e-2,-0.50000000, 2.5000000e-2,2.5000000e-2,0.50000000},
            {-2.5000000e-2,-0.50000000,-0.42500000, 2.5000000e-2,0.50000000,-0.37500000},
            {-2.5000000e-2,-0.50000000,-0.22500000, 2.5000000e-2,0.50000000,-0.17500000},
            {-2.5000000e-2,-0.50000000,0.37500000, 2.5000000e-2,0.50000000,0.42500000},
            {-2.5000000e-2,-0.50000000,0.17500000, 2.5000000e-2,0.50000000,0.22500000},
            {-2.5000000e-2,-0.50000000,-2.5000000e-2, 2.5000000e-2,0.50000000,2.5000000e-2},
            {-0.50000000,0.15181175,0.15403839, 0.50000000,0.45181175,0.45403839},
            {-0.50000000 ,5.0000000e-2,0.20000000, 0.50000000,0.20000000,0.25000000},
            {-0.50000000,0.20000000,4.5000000e-2, 0.50000000,0.25000000,0.19500000},
            {-0.50000000,0.25000000 ,-5.0000000e-3, 0.50000000,0.30000000,0.19500000},
            {-0.50000000 ,6.9388939e-18,0.25000000, 0.50000000,0.20000000,0.30000000},
            {-0.50000000,-1.0000000e-1,0.30000000, 0.50000000,0.20000000,0.35000000},
            {-0.50000000,0.30000000,-0.10400000, 0.50000000,0.35000000,0.19600000},
            {-0.50000000,0.35000000,-0.20000000, 0.50000000,0.40000000,0.20000000},
            {-0.50000000,-0.20000000,0.35000000, 0.50000000,0.20000000,0.40000000},
            {-0.50000000,-0.30000000,0.40000000, 0.50000000,0.30000000,0.45000000},
            {-0.50000000,0.40000000,-0.30000000, 0.50000000,0.45000000,0.30000000},
            {-0.50000000,0.45003803,-0.50000000, 0.50000000,0.50003803,0.50000000},
            {-0.50000000,-0.50000000,0.45006823, 0.50000000,0.50000000,0.50006823},
            {-2.5000000e-2,-0.42500000,-0.50000000, 2.5000000e-2,-0.37500000,0.50000000},
            {-2.5000000e-2,-0.22500000,-0.50000000, 2.5000000e-2,-0.17500000,0.50000000},
            {-2.5000000e-2,0.37500000,-0.50000000, 2.5000000e-2,0.42500000,0.50000000},
            {-2.5000000e-2,0.17500000,-0.50000000, 2.5000000e-2,0.22500000,0.50000000},
            {-2.5000000e-2,-2.5000000e-2,-0.50000000, 2.5000000e-2,2.5000000e-2,0.50000000},
            {-2.5000000e-2,-0.50000000,-0.42500000, 2.5000000e-2,0.50000000,-0.37500000},
            {-2.5000000e-2,-0.50000000,-0.22500000, 2.5000000e-2,0.50000000,-0.17500000},
            {-2.5000000e-2,-0.50000000,0.37500000, 2.5000000e-2,0.50000000,0.42500000},
            {-2.5000000e-2,-0.50000000,0.17500000, 2.5000000e-2,0.50000000,0.22500000},
            {-2.5000000e-2,-0.50000000,-2.5000000e-2, 2.5000000e-2,0.50000000,2.5000000e-2},
        },
    },

Feel free to use these models in your mod.

Do you think you could make this 3 high and 2 wide and that you could make the grate disappear after right clicking? That would be so very useful for my castle mod.

[super_tnt]

Can I make a request for my upcoming mod? I'd like 3 cylinders, one for up and down, 2 for the 2 lying down. I looked at the barrel but it wasn't centred and I'm unsure of how to centre this, also it should be able to stack next to each other.

[thefamilygrog66]

Here's the nodebox info for my Lava Lamps [lavalamp] mod - an attempt at making vertical cylinders, I suppose!

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node_box = {
    type = "fixed",
    fixed = {
        -- base
        { -0.1875, -0.5, -0.1875, 0.1875, -0.3125, 0.1875, },
        { -0.125, -0.5, -0.25, 0.125, -0.3125, -0.1875, },
        { -0.25, -0.5, -0.125, -0.1875, -0.3125, 0.125, },
        { 0.1875, -0.5, -0.125, 0.25, -0.3125, 0.125, },
        { -0.125, -0.5, 0.1875, 0.125, -0.3125, 0.25, },
        -- lamp
        { -0.125, -0.3125, -0.125, 0.125, 0.5, 0.125, },
        { -0.0625, -0.3125, -0.1875, 0.0625, 0.5, -0.125, },
        { -0.0625, -0.3125, 0.125, 0.0625, 0.5, 0.1875, },   
        { -0.1875, -0.3125, -0.0625, 0.125, 0.5, 0.0625, },
        { 0.125, -0.3125, -0.0625, 0.1875, 0.5, 0.0625, },   
    },
},

[thefamilygrog66]

Can I make a request for my upcoming mod? I'd like 3 cylinders, one for up and down, 2 for the 2 lying down. I looked at the barrel but it wasn't centred and I'm unsure of how to centre this, also it should be able to stack next to each other.

The round trees from tonyka's 3dforniture mod were also cylindrical:

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node_box = {
        type = "fixed",
        fixed = {
            {-0.35,-0.5,-0.4,0.35,0.5,0.4},
            {-0.4,-0.5,-0.35, 0.4,0.5,0.35},
            {-0.25,-0.5,-0.45,0.25,0.5,0.45},
            {-0.45,-0.5,-0.25, 0.45,0.5,0.25},
            {-0.15,-0.5,-0.5,0.15,0.5,0.5},
            {-0.5,-0.5,-0.15, 0.5,0.5,0.15},
        },
    },

[super_tnt]

Oh ok, that worked nicely.

[dgm5555]

I'm making an anvil with a base texture that I want different to the head, and a chest and cauldren which I want inside texture different to outside. Is there any way of having different textures for different cubics within a node coded in lua, or do I have to make a 3d model for this?

Also is there a way of rotating/mirroring a texture in the node definition rather than having to do it manually (eg for a door where the hinges are mirrored on front/back of the door)?

[Hybrid Dog]

Also is there a way of rotating/mirroring a texture in the node definition rather than having to do it manually (eg for a door where the hinges are mirrored on front/back of the door)?

http://dev.minetest.net/texture

[dgm5555]

@HybridDog Brilliant thanks, I'd never found that page