use spread syntax for ortho camera calculation arguments

[Kieran Farr]

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax
Use Spread syntax instead of pulling out each item in array

magic-matta/server/static/client.html

Line 209 in 49bfe90

 this.orthoCamera = new THREE.OrthographicCamera(orthoCoords[0],orthoCoords[1],orthoCoords[2],orthoCoords[3],orthoCoords[4],orthoCoords[5]);