1Bibliography 2============ 3* John C. Hart, `Sphere Tracing`_: Seminal academic paper. 4* Morgan McGuire et al, `Numerical Methods for Ray Tracing Implicitly Defined Surfaces`_: A good survey paper. 5* Inigo Quilez, `Modelling with Distance Functions`_ 6* MERCURY, `hg_sdf`_: A glsl library for building signed distance functions. 7* Christopher Olah, `Manipulation of Implicit Functions With an Eye on CAD`_ 8* Video: `How to Create Content with Signed Distance Functions`_ 9* Video game that uses distance fields, no polygons: `<https://www.youtube.com/watch?v=u9KNtnCZDMI>`_ 10 11.. _`Sphere Tracing`: ../papers/sphere_tracing.pdf 12.. _`Numerical Methods for Ray Tracing Implicitly Defined Surfaces`: ../papers/implicit_methods.pdf 13.. _`Modelling with Distance Functions`: http://iquilezles.org/www/articles/distfunctions/distfunctions.htm 14.. _`hg_sdf`: http://mercury.sexy/hg_sdf/ 15.. _`Manipulation of Implicit Functions With an Eye on CAD`: https://christopherolah.wordpress.com/2011/11/06/manipulation-of-implicit-functions-with-an-eye-on-cad/ 16.. _`How to Create Content with Signed Distance Functions`: https://www.youtube.com/watch?v=s8nFqwOho-s 17