Added color

examples/debug/main.cpp

@@ -0,0 +1,52 @@
+#include <iostream>
+
+#include "openglu.hpp"
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+
+void framebuffer_size_callback(GLFWwindow* window, int width, int height)
+{
+	oglu::SetViewport(0, 0, width, height);
+}
+
+void processInput(GLFWwindow* window)
+{
+	if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)
+		glfwSetWindowShouldClose(window, true);
+}
+
+int main(int argc, char** argv)
+{
+	glfwInit();
+	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
+	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 6);
+	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+
+	const GLFWvidmode* screen = glfwGetVideoMode(glfwGetPrimaryMonitor());
+	int windowSize = screen->height / 4 * 3;
+
+	GLFWwindow* window = glfwCreateWindow(windowSize, windowSize, "Debug", NULL, NULL);
+	if (window == nullptr)
+	{
+		std::cerr << "Failed to create GLFW window" << std::endl;
+		glfwTerminate();
+		return -1;
+	}
+	glfwMakeContextCurrent(window);
+
+	oglu::LoadGLLoader((GLADloadproc)glfwGetProcAddress);
+	oglu::SetViewport(0, 0, windowSize, windowSize);
+
+	while (!glfwWindowShouldClose(window))
+	{
+		processInput(window);
+
+		oglu::ClearScreen(GL_COLOR_BUFFER_BIT, oglu::Color(0.29f, 0.13f, 0.23f));
+
+		glfwSwapBuffers(window);
+		glfwPollEvents();
+	}
+
+	glfwTerminate();
+	return 0;
+}