#include <sb6.h>
#include <math.h>

class simplepoint_app : public sb6::application
{
	void init()
	{
		static const char title[] = "Open GL Point";
		sb6::application::init();
		memcpy(info.title, title, sizeof(title));

	}
	int i = 0;
	int count = 600;

	virtual void render(double currentTime)
	{
		static  GLfloat red[] = { 1.0f, 0.0f, 0.0f, 1.0f };
		static  GLfloat green[] = { 0.0f, 1.0f, 0.0f, 1.0f };
		static  GLfloat blue[] = { 0.0f, 0.0f, 1.0f, 1.0f };


		glUseProgram(program);
		glPointSize(40.0f);
		glDrawArrays(GL_POINTS, 0, 1);
		//glClearBufferfv(GL_COLOR, 0, green);

	}

	virtual void startup()
	{
		//vertex source code
		static const char* vs_source[] = {
			"#version 420 core											\n"
			"															\n"
			"void main(void)											\n"
			"{															\n"
			"															\n"
			"	gl_Position = vec4(0.0, 0.0, 0.0, 1.0);					\n"
			"															\n"
			"															\n"
			"															\n"
			"}															\n" };



		static const char* fs_source[] = {
			"#version 420 core																				\n"
			"																					\n"
			"out vec4 color;																	\n"
			"void main (void)																	\n"
			"{																						\n"
			"																					\n"
			"	color = vec4(0.0, 0.8, 1.0, 1.0);																				\n"
			"																					\n"
			"																					\n"
			"}																					\n" };

		if (program != 0)
		{
			glDeleteProgram(program);
		}

		// Default vs und fs setup

		program = glCreateProgram();
		GLuint vs = glCreateShader(GL_VERTEX_SHADER);
		glShaderSource(vs, 1, vs_source, NULL);
		glCompileShader(vs);


		program = glCreateProgram();
		GLuint fs = glCreateShader(GL_FRAGMENT_SHADER);
		glShaderSource(fs, 1, fs_source, NULL);
		glCompileShader(fs);

		glAttachShader(program, vs);
		glAttachShader(program, fs);

		glLinkProgram(program);

		glGenVertexArrays(1, &vao);
		glBindVertexArray(vao);

	}

	virtual void shutdown()
	{
		glDeleteVertexArrays(1, &vao);
		glDeleteProgram(program);
	}

private:
	GLuint program;
	GLuint vao;

};
DECLARE_MAIN(simplepoint_app)