poop.js

  var customShader = new THREE.ShaderMaterial({
    vertexShader: [
      'void main() {',
      '      gl_Position = projectionMatrix *',
      '                modelViewMatrix *',
      '                vec4(position,1.0);',
      '}'
    ].join('\n'),
    fragmentShader: [
      'void main() {',
      '      gl_FragColor = vec4(1.0, 0.0, 1.0, 1.0);',
      '}'
    ].join('\n')
  });