Initial commit - Release 0.0.1librin-0.0.1

1 files changed, 157 insertions, 0 deletions

diff --git a/include/rin/float_types.h b/include/rin/float_types.h
new file mode 100644
index 0000000..2d99b2f
--- /dev/null
+++ b/include/rin/float_types.h
@@ -0,0 +1,157 @@
+/*
+ * The Rin Library – floating point module
+ *
+ * Copyright (C) 2015 Gediminas Jakutis
+ *
+ * This 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; version 2.1
+ * of the License.
+ *
+ * This program 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 library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef LIBRIN_FLOAT_TYPES_INCLUDED
+#define LIBRIN_FLOAT_TYPES_INCLUDED
+
+/* These vec[num] types mostly mimic the analogous types found in OpenGL
+ * Might get renamed to rin_vec[num] in case namespace clashes
+ * with other existing libraries get noticed.
+ *
+ * vecd[num] use double instead of float, but are otherwise identical to vec[num].
+ */
+
+struct vec2 {
+	union {
+		struct {
+			float x;
+			float y;
+		};
+		struct {
+			float r;
+			float g;
+		};
+		struct {
+			float s;
+			float t;
+		};
+	};
+};
+
+struct vec3 {
+	union {
+		struct {
+			float x;
+			float y;
+			float z;
+		};
+		struct {
+			float r;
+			float g;
+			float b;
+		};
+		struct {
+			float s;
+			float t;
+			float p;
+		};
+	};
+};
+
+struct vec4 {
+	union {
+		struct {
+			float x;
+			float y;
+			float z;
+			float w;
+		};
+		struct {
+			float r;
+			float g;
+			float b;
+			float a;
+		};
+		struct {
+			float s;
+			float t;
+			float p;
+			float q;
+		};
+	};
+};
+
+struct vec2d {
+	union {
+		struct {
+			double x;
+			double y;
+		};
+		struct {
+			double r;
+			double g;
+		};
+		struct {
+			double s;
+			double t;
+		};
+	};
+};
+
+struct vec3d {
+	union {
+		struct {
+			double x;
+			double y;
+			double z;
+		};
+		struct {
+			double r;
+			double g;
+			double b;
+		};
+		struct {
+			double s;
+			double t;
+			double p;
+		};
+	};
+};
+
+struct vec4d {
+	union {
+		struct {
+			double x;
+			double y;
+			double z;
+			double w;
+		};
+		struct {
+			double r;
+			double g;
+			double b;
+			double a;
+		};
+		struct {
+			double s;
+			double t;
+			double p;
+			double q;
+		};
+	};
+};
+
+/* A simple 3D vertex with position and normal data. */
+struct vertex {
+	struct vec3 position;
+	struct vec3 normal;
+};
+
+#endif /* LIBRIN_FLOAT_TYPES_INCLUDED */