A command line tool for converting Alias Wavefront OBJ models into Javascript arrays. These arrays can then be used directly with WebGL.
Command Line Options:
-i, --input The input OBJ file.
-o, --output The output Javascript file.
-v, --variable-name The variable name for the JavaScript object.
-xt, --exclude-textures Exclude parsing of textures.
-xn, --exclude-normals Exclude parsing of normals.
-h, --help Show program usage.
To convert a model of a submarine to a packed Javascript array, one can use the following command:
obj2js -i sub.obj -v submarine -o ./sub.js
The output that will be produced will include a variable, called submarine, that contains an object
literal where each key is the name of a group from the OBJ model. The value for each key is a packed
array that can be used as an interleaved buffer in WebGL.
This is what the output will typically look like:
export const submarine = {
"leftTorpedo": [
// position-X, position-Y, position-Z, texture-U, texture-V, normal-X, normal-Y, normal-Z
//----------------------------------------------------------------------------------------------------------------------------------------------
+2.4418880939, +0.2001850009, +8.6402635574, +0.8407999873, -8.2299995422, -0.5066000223, +0.6973000169, -0.5070999861,
...
+2.4548199177, -0.3702639937, +12.3106203079, +0.7470999956, -9.3709001541, +0.7346000075, -0.6784999967, -0.0000000000
],
"rightTorpedo": [
// position-X, position-Y, position-Z, texture-U, texture-V, normal-X, normal-Y, normal-Z
//----------------------------------------------------------------------------------------------------------------------------------------------
-2.5527191162, +0.2001850009, +8.6402635574, +0.1594000012, -8.2299995422, +0.5066000223, +0.6973000169, -0.5070999861,
...
-2.4201400280, -0.5278009772, +12.4418945312, +0.2694999874, -9.6858997345, -0.7346000075, -0.6784999967, -0.0000000000
],
"rightProp": [
// position-X, position-Y, position-Z, texture-U, texture-V, normal-X, normal-Y, normal-Z
//----------------------------------------------------------------------------------------------------------------------------------------------
-2.5971369743, -2.3391780853, -12.2025508881, -3.2283000946, -13.3086996078, -0.0024999999, +0.1694000065, +0.9854999781,
...
-0.9460229874, -1.3603270054, -12.0654439926, -3.4022998810, -11.3542003632, +0.3091000021, -0.5320000052, -0.7882999778
],
"divePlane": [
// position-X, position-Y, position-Z, texture-U, texture-V, normal-X, normal-Y, normal-Z
//----------------------------------------------------------------------------------------------------------------------------------------------
-4.6156439781, +0.2010059953, -9.4357690811, -0.3531000018, +0.1446000040, -0.2179999948, +0.9657999873, +0.1402000040,
...
+1.7919930220, -0.1990430057, -11.7112655640, +0.8349999785, +0.5665000081, -0.6786000133, -0.7074999809, +0.1973000020
],
"hull": [
// position-X, position-Y, position-Z, texture-U, texture-V, normal-X, normal-Y, normal-Z
//----------------------------------------------------------------------------------------------------------------------------------------------
-2.0695068836, -1.1689950228, -7.5195469856, -1.3229999542, -0.1370999962, -0.7986000180, -0.6018999815, +0.0001000000,
...
+2.9505500793, -2.4220430851, -5.3518409729, +2.1491999626, -0.2763999999, +0.9218000174, -0.3871999979, +0.0200999994
],
"leftProp": [
// position-X, position-Y, position-Z, texture-U, texture-V, normal-X, normal-Y, normal-Z
//----------------------------------------------------------------------------------------------------------------------------------------------
+2.2041239738, -2.3391780853, -12.2025508881, +4.2579002380, -1.0342999697, -0.0024999999, +0.1694000065, +0.9854999781,
...
+2.2135109901, -3.6035590172, -12.0698223114, +4.2536001205, -1.3152999878, -0.6122999787, -0.0000000000, -0.7906000018
]
};
Copyright (C) 2016-2022 by Joseph A. Marrero. http://www.manvscode.com/ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.