added the readme

shaderClass.cpp

@@ -0,0 +1,57 @@
+
+#include "shaderClass.h"
+#include "VBO.h"
+
+Shader::Shader(const char* vertexFile, const char* fragFile)
+{
+	std::string vertexCode = get_file_contents(vertexFile);
+	std::string fragCode = get_file_contents(fragFile);
+
+	const char* vertexSource = vertexCode.c_str();
+	const char* fragSource = fragCode.c_str();
+
+	unsigned int vertexShader;
+	vertexShader = glCreateShader(GL_VERTEX_SHADER);
+	glShaderSource(vertexShader, 1, &vertexSource, NULL);
+	glCompileShader(vertexShader);
+
+	unsigned int fragmentShader;
+	fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
+	glShaderSource(fragmentShader, 1, &fragSource, NULL);
+	glCompileShader(fragmentShader);
+
+	ID = glCreateProgram();
+	glAttachShader(ID, vertexShader);
+	glAttachShader(ID, fragmentShader);
+	glLinkProgram(ID);
+
+	glDeleteShader(vertexShader);
+	glDeleteShader(fragmentShader);
+}
+
+void Shader::Activate()
+{
+	glUseProgram(ID);
+}
+
+void Shader::Delete()
+{
+	glDeleteProgram(ID);
+}
+
+std::string get_file_contents(const char* filename)
+{
+	std::ifstream in(filename, std::ios::binary);
+
+	if (in) {
+		std::string contents;
+		in.seekg(0, std::ios::end);
+		contents.resize(in.tellg());
+		in.seekg(0, std::ios::beg);
+		in.read(&contents[0], contents.size());
+		in.close();
+		return contents;
+	}
+	std::cout << "GETTING SHADER FILE CONTENTS FAILED\n";
+	throw errno;
+}