playcanvas2obj's Introduction

playcanvas2obj

A quick and dirty script that attempts to convert a PlayCanvas JSON model into a (partial) Wavefront OBJ file. See example_input.json for an example of the expected input format.

Current status

This script only knows how to extract the vertices from the input file and print those vertices in OBJ format. More complete translation is not yet a goal.

Usage

Download the playcanvas2obj.py script and run it using Python 3, passing in a URL or local file path pointing to a valid PlayCanvas JSON model.

# URL as input
python3 playcanvas2obj.py https://raw.githubusercontent.com/mccutchen/playcanvas2obj/main/example_input.json

# Local file as input
python3 playcanvas2obj.py example_input.json

By default, output is written to stdout and can be redirected to a file as necessary:

python3 playcanvas2obj.py example_input.json > example_output.obj

Specify the -o/--output argument to write output to a file instead:

python3 playcanvas2obj.py example_input.json -o example_output.obj

Output format

The output will be a list of vertexes in OBJ format:

$ python3 playcanvas2obj.py example_input.json | head -10
v -49.528900  201.930000  196.712000
v -44.706600  201.800000  196.670000
v -45.864800  202.291000  196.826000
v -49.021700  202.299000  196.830000
v -49.616000  199.781000  196.027000
v -42.772400  199.255000  195.859000
v -49.397200  199.193000  195.839000
v -47.617700  181.155000  185.601000
v -47.162200  181.472000  185.847000
v -50.034100  181.486000  185.862000

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