function setMatrixUniforms() {
  if (coordinates === WORLD_COORDINATES) {
    mat4.invert(cameraMatrix, modelViewMatrix);
    gl.uniformMatrix4fv(program.uModelViewMatrix, false, modelViewMatrix);
  }
  else {
    mat4.invert(modelViewMatrix, cameraMatrix);
  }

  gl.uniformMatrix4fv(program.uProjectionMatrix, false, projectionMatrix);
  gl.uniformMatrix4fv(program.uModelViewMatrix, false, modelViewMatrix);
  mat4.transpose(normalMatrix, cameraMatrix);
  gl.uniformMatrix4fv(program.uNormalMatrix, false, normalMatrix);
}