Added basic object wrapper for VAOs

examples/debug/main.cpp

@@ -37,20 +37,36 @@ int main(int argc, char** argv)
 	oglu::LoadGLLoader((GLADloadproc)glfwGetProcAddress);
 	oglu::SetViewport(0, 0, windowSize, windowSize);
 
+
 	float vertices[] = {
-		-0.5f, -0.5f, 0.0f,
-		0.5f, -0.5f, 0.0f,
-		0.0f, 0.5f, 0.0f
+		 0.5f,  0.5f, 0.0f, 1.0f, 0.0f, 0.0f, // top right
+		 0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f, // bottom right
+		-0.5f, -0.5f, 0.0f, 0.0f, 0.0f, 1.0f, // bottom left
+		-0.5f,  0.5f, 0.0f, 0.0f, 1.0f, 0.0f // top left 
+	};
+
+	unsigned int indices[] = { 
+		0, 1, 3,   // first triangle
+		1, 2, 3    // second triangle
 	};
 
 	oglu::VertexAttribute topology[] = {
-		{ 0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0 }
+		{ 0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)0 },
+		{ 1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)(3 * sizeof(float)) }
 	};
-
-	oglu::Object triangle(vertices, sizeof(vertices), nullptr, 0, topology, sizeof(topology));
 	
-	oglu::Shader shader("shaders/vertexShader.vert", "");
+	oglu::Shader* shader;
+	try 
+	{
+		shader = new oglu::Shader("shaders/vertexShader.vert", "shaders/fragmentShader.frag");
+	}
+	catch (const std::exception& e)
+	{
+		std::cerr << e.what() << std::endl;
+		return -1;
+	}
 
+	oglu::Object square(vertices, sizeof(vertices), indices, sizeof(indices), topology, sizeof(topology));
 
 	while (!glfwWindowShouldClose(window))
 	{
@@ -58,6 +74,9 @@ int main(int argc, char** argv)
 
 		oglu::ClearScreen(GL_COLOR_BUFFER_BIT, oglu::Color(0.29f, 0.13f, 0.23f));
 
+		shader->Use();
+		square.BindAndDraw();
+
 		glfwSwapBuffers(window);
 		glfwPollEvents();
 	}

examples/debug/shaders/fragmentShader.frag

@@ -0,0 +1,9 @@
+#version 330 core
+in vec3 oCol;
+
+out vec4 FragColor;
+
+void main()
+{
+	FragColor = vec4(oCol, 1.0f);
+}

examples/debug/shaders/vertexShader.vert

@@ -1,7 +1,11 @@
 #version 330 core
 layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aCol;
+
+out vec3 oCol;
 
 void main()
 {
+	oCol = aCol;
 	gl_Position = vec4(aPos.x, aPos.y, aPos.z, 1.0);
 }