Add Colour implementation

source/CMakeLists.txt

@@ -1,10 +1,10 @@
 # To simplify testing, the app is build in two passes,
 
 # First most is build as a library
-add_library(rayonnement STATIC math_helper.cpp)
+add_library(rayonnement STATIC)
 
-set(RAY_HEADERS include/tuples.h include/math_helper.h)
-set(RAY_SOURCES tuples.cpp)
+set(RAY_HEADERS include/tuples.h include/math_helper.h include/colour.h)
+set(RAY_SOURCES tuples.cpp math_helper.cpp colour.cpp)
 
 target_include_directories(rayonnement PUBLIC include)
 target_sources(rayonnement PRIVATE ${RAY_HEADERS} ${RAY_SOURCES})

source/colour.cpp

@@ -0,0 +1,10 @@
+/*
+ *  DoRayMe - a quick and dirty Raytracer
+ *  Colour implementation
+ *
+ *  Created by Manoël Trapier
+ *  Copyright (c) 2020 986-Studio.
+ *
+ */
+#include "colour.h"
+

source/include/colour.h

@@ -0,0 +1,32 @@
+/*
+ *  DoRayMe - a quick and dirty Raytracer
+ *  Colour header
+ *
+ *  Created by Manoël Trapier
+ *  Copyright (c) 2020 986-Studio.
+ *
+ */
+#ifndef DORAYME_COLOUR_H
+#define DORAYME_COLOUR_H
+
+#include <tuples.h>
+
+class Colour : public Tuple
+{
+public:
+    Colour(double red, double green, double blue) : Tuple(red, green, blue, 0) {};
+    double red()           { return this->x; };
+    double green()         { return this->y; };
+    double blue()          { return this->z; };
+    double red(double v)   { this->x = v; return v; };
+    double green(double v) { this->y = v; return v; };
+    double blue(double v)  { this->z = v; return v; };
+
+    using Tuple::operator*;
+    Colour operator*(const Colour &b) const { return Colour(this->x * b.x,
+                                                            this->y * b.y,
+                                                            this->z * b.z); };
+};
+
+
+#endif /* DORAYME_COLOUR_H */