function to get sb::Color as glm::vec4

src/Color.cpp

@@ -91,6 +91,11 @@ bool sb::Color::operator<(const sb::Color& color) const
     return r < color.r || g < color.g || b < color.b || a < color.a;
 }
 
+glm::vec4 sb::Color::normal() const
+{
+    return glm::vec4{r / 255.0f, g / 255.0f, b / 255.0f, a / 255.0f};
+}
+
 std::ostream& std::operator<<(std::ostream& out, const sb::Color& color)
 {
     float h, s, v;

src/Color.hpp

@@ -55,6 +55,11 @@ public:
     bool operator!=(const Color&) const;
     bool operator<(const Color&) const;
 
+    /*!
+     * Get the color's RGBA value represented as a 4D vector of values between 0.0 and 1.0.
+     */
+    glm::vec4 normal() const;
+
     template <typename Type>
     Color(Type red, Type green, Type blue, Type alpha = 255)
     {