Establish a well-structured modern C++ project architecture

Focus on code quality: Treat strict warnings as errors, memory checks with Sanitizers, Clang formatting and static analysis
Performance optimization: LTO, ccache

1 files changed, 28 insertions, 0 deletions

diff --git a/src/color.h b/src/color.h
new file mode 100644
index 0000000..43be7ff
--- /dev/null
+++ b/src/color.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2026 Richard
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+#ifndef COLOR_H
+#define COLOR_H
+
+#include "vec3.h"
+
+#include <iostream>
+
+using color = vec3;
+
+void write_color(std::ostream &out, const color &pixel_color);
+
+#endif
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