#include "letters.h"

#define RAD 3.14159/180;

void draw_o()
{
	//Keep track because to draw the 'O', we will
	//use scaling to stretch the circle into an ellipse
	glPushMatrix();

	//Move to the center
	glTranslated(0.5, 0.5, 0);

	//Strech the circle into an ellipse in the y-direction
	glScaled(1, 1.25, 1);

	//Draw the circle
	glBegin(GL_LINE_LOOP);

		double radius = 0.4;
		int i;
		double angle;
		for ( i = 0; i < 360; i++)
		{
			angle = i * RAD;
			glVertex2d(cos(angle)*radius, sin(angle)*radius);
		}
	 
	glEnd();

	//Return to initial matrix
	glPopMatrix();

	//Move for next letter
	glTranslated(1,0,0);

}
void draw_O(){draw_o();}


void draw_e()
{
  glBegin(GL_LINES);

		glVertex2d(0.1, 0);
		glVertex2d(0.1, 1);

		glVertex2d(0.1, 0);
		glVertex2d(0.7, 0);

		glVertex2d(0.1, 1);
		glVertex2d(0.7, 1);

		glVertex2d(0.1,0.5);
		glVertex2d(0.5,0.5);

  glEnd();

  //Move for next letter.
  glTranslated(0.8,0,0);

}
void draw_E(){draw_e();}


void draw_y()
{
	glTranslated(-0.3,0,0);
  glBegin(GL_LINES);
		
		glVertex2d(0.4,0);
		glVertex2d(0.9,1);

		glVertex2d(0.65, 0.5);
		glVertex2d(0.4,1);
		
  glEnd();

  //Move for next letter
  glTranslated(1,0,0);
}
void draw_Y(){draw_y();}