Replace sky_spheres with a single background pigment.

2 files changed, 1 insertions, 63 deletions

diff --git a/libdimension/dimension/scene.h b/libdimension/dimension/scene.h
index c35f91f..cbd26ab 100644
--- a/libdimension/dimension/scene.h
+++ b/libdimension/dimension/scene.h
@@ -40,8 +40,7 @@ typedef unsigned int dmnsn_quality;
 /** An entire scene. */
 typedef struct dmnsn_scene {
   /* World attributes */
-  dmnsn_color background;           /**< Background color. */
-  dmnsn_sky_sphere *sky_sphere;     /**< Sky sphere. */
+  dmnsn_pigment *background;        /**< Background pigment. */
   dmnsn_texture *default_texture;   /**< Default object texture. */
   dmnsn_interior *default_interior; /**< Default object interior. */
 
diff --git a/libdimension/dimension/sky_sphere.h b/libdimension/dimension/sky_sphere.h
deleted file mode 100644
index 2d2c834..0000000
--- a/libdimension/dimension/sky_sphere.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*************************************************************************
- * Copyright (C) 2010 Tavian Barnes <tavianator@tavianator.com>          *
- *                                                                       *
- * This file is part of The Dimension Library.                           *
- *                                                                       *
- * The Dimension Library is free software; you can redistribute it and/  *
- * or modify it under the terms of the GNU Lesser General Public License *
- * as published by the Free Software Foundation; either version 3 of the *
- * License, or (at your option) any later version.                       *
- *                                                                       *
- * The Dimension Library is distributed in the hope that it will be      *
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
- * Lesser General Public License for more details.                       *
- *                                                                       *
- * You should have received a copy of the GNU Lesser General Public      *
- * License along with this program.  If not, see                         *
- * <http://www.gnu.org/licenses/>.                                       *
- *************************************************************************/
-
-/**
- * @file
- * Sky spheres.
- */
-
-/** A sky sphere. */
-typedef struct dmnsn_sky_sphere {
-  /** An array of pigments in inside-to-outside order. */
-  dmnsn_array *pigments;
-
-  dmnsn_matrix trans; /**< Transformation matrix. */
-
-  dmnsn_refcount refcount; /**< @internal Reference count. */
-} dmnsn_sky_sphere;
-
-/**
- * Create a sky sphere.
- * @return A new blank sky sphere.
- */
-dmnsn_sky_sphere *dmnsn_new_sky_sphere(void);
-
-/**
- * Delete a sky sphere.
- * @param[in,out] sky_sphere  The sky sphere to delete.
- */
-void dmnsn_delete_sky_sphere(dmnsn_sky_sphere *sky_sphere);
-
-/**
- * Initialize a sky sphere.
- * @param[in,out] sky_sphere  The sky sphere to initialize.
- */
-void dmnsn_initialize_sky_sphere(dmnsn_sky_sphere *sky_sphere);
-
-/**
- * Evaluate the color of the sky sphere.
- * @param[in] sky_sphere  The sky sphere to evaluate.
- * @param[in] d           The direction to look.
- * @return The color of the sky in the direction of \p d.
- */
-dmnsn_color dmnsn_sky_sphere_color(const dmnsn_sky_sphere *sky_sphere,
-                                   dmnsn_vector d);