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authorTavian Barnes <tavianator@gmail.com>2009-11-09 10:53:41 -0500
committerTavian Barnes <tavianator@gmail.com>2009-11-09 10:53:41 -0500
commite7c3459f8eba5db5704632f927a4168467521b88 (patch)
treefd18c4f8349e1b7dbe12f934c763e81b4e9ba266 /libdimension/dimension/light.h
parent69501590eec9c1bc6c7640d17b01ad4d2ce007a5 (diff)
downloaddimension-e7c3459f8eba5db5704632f927a4168467521b88.tar.xz
Add support for lights.
Diffstat (limited to 'libdimension/dimension/light.h')
-rw-r--r--libdimension/dimension/light.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/libdimension/dimension/light.h b/libdimension/dimension/light.h
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+/*************************************************************************
+ * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.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/>. *
+ *************************************************************************/
+
+/*
+ * Lights.
+ */
+
+#ifndef DIMENSION_LIGHT_H
+#define DIMENSION_LIGHT_H
+
+typedef struct dmnsn_light dmnsn_light;
+
+typedef dmnsn_color dmnsn_light_fn(const dmnsn_light *light, dmnsn_vector v);
+
+struct dmnsn_light {
+ /* Origin of light rays */
+ dmnsn_vector x0;
+
+ /* Callbacks */
+ dmnsn_light_fn *light_fn;
+ dmnsn_free_fn *free_fn;
+
+ /* Generic pointer for light info */
+ void *ptr;
+};
+
+dmnsn_light *dmnsn_new_light();
+void dmnsn_delete_light(dmnsn_light *light);
+
+#endif /* DIMENSION_LIGHT_H */