Added color

src/color.cpp

@@ -0,0 +1,88 @@
+#include "color.hpp"
+
+namespace oglu
+{
+	const Color Color::Black(0.f, 0.f, 0.f, 1.f);
+	const Color Color::White(1.f, 1.f, 1.f, 1.f);
+	const Color Color::Red(1.f, 0.f, 0.f, 1.f);
+	const Color Color::Green(0.f, 1.f, 0.f, 1.f);
+	const Color Color::Blue(0.f, 0.f, 1.f, 1.f);
+	const Color Color::Yellow(1.f, 1.f, 0.f, 1.f);
+	const Color Color::Magenta(1.f, 0.f, 1.f, 1.f);
+	const Color Color::Cyan(0.f, 1.f, 1.f, 1.f);
+	const Color Color::Transparent(0.f, 0.f, 0.f, 0.f);
+
+	Color::Color() :
+		r(0.f), g(0.f), b(0.f), a(0.f)
+	{
+	}
+
+	Color::Color(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) :
+		r(red), g(green), b(blue), a(alpha)
+	{
+	}
+
+	bool operator==(const Color& left, const Color& right)
+	{
+		return
+			(
+				(left.r == right.r) &&
+				(left.g == right.g) &&
+				(left.b == right.b) &&
+				(left.a == right.a)
+			);
+	}
+
+	bool operator!=(const Color& left, const Color& right)
+	{
+		return !(left == right);
+	}
+
+	Color operator+(const Color& left, const Color& right)
+	{
+		return Color(
+			left.r + right.r,
+			left.g + right.g,
+			left.b + right.b,
+			left.a + right.a
+		);
+	}
+
+	Color operator-(const Color& left, const Color& right)
+	{
+		return Color(
+			left.r - right.r,
+			left.g - right.g,
+			left.b - right.b,
+			left.a - right.a
+		);
+	}
+
+	Color operator*(const Color& left, const Color& right)
+	{
+		return Color(
+			left.r * right.r,
+			left.g * right.g,
+			left.b * right.b,
+			left.a * right.a
+		);
+	}
+
+	Color& operator+=(Color& left, const Color& right)
+	{
+		left = left + right;
+		return left;
+	}
+
+	Color& operator-=(Color& left, const Color& right)
+	{
+		left = left - right;
+		return left;
+	}
+
+	Color& operator*=(Color& left, const Color& right)
+	{
+		left = left * right;
+		return left;
+	}
+}

src/openglu.cpp

@@ -0,0 +1,26 @@
+#include "openglu.hpp"
+
+#include <iostream>
+#include <exception>
+
+namespace oglu
+{
+	void LoadGLLoader(GLADloadproc proc)
+	{
+		if (!gladLoadGLLoader(proc))
+		{
+			throw std::exception("Failed to initialize GLAD");
+		}
+	}
+
+	void SetViewport(GLint x, GLint y, GLsizei width, GLsizei height)
+	{
+		glViewport(x, y, width, height);
+	}
+
+	void ClearScreen(GLbitfield mask, Color clearColor)
+	{
+		glClearColor(clearColor.r, clearColor.g, clearColor.b, clearColor.a);
+		glClear(mask);
+	}
+}