Port to pex-context using geom-builder

[vorg]

var axis = require('pex-helpers/axis')()
var solidColor = require('pex-materials/solid-color')

var drawAxis = {
  pipeline: ctx.pipeline({
    vert: solidColor.vert,
    frag: solidColor.frag
  }),
  attributes: {
    aPosition: ctx.vertexBuffer(axis.positions),
    aColors: ctx.vertexBuffer(axis.colors)
  },
  indices: ctx.indexBuffer(axis.cells),
  uniforms: {
    uProjectionMatrix: camera.projectionMatrix,
    uViewMatrix: camera.viewMatrix,    
    uModelMatrix: mat4.translate(mat4.create(), [1, 0, 0])
  }
}