// Rotation amounts
static GLfloat xRot = 0.0f;
static GLfloat yRot = 0.0f;

// Light values and coordinates
GLfloat	 lightPos[] = { 0.0f, 3.0f, 0.0f, 1.0f };
GLfloat  specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
GLfloat  specref[] = { 1.0f, 1.0f, 1.0f, 1.0f };
GLfloat  ambientLight[] = { 0.2f, 0.2f, 0.2f, 1.0f };
GLfloat  spotDir[] = { 0.0f, 0.0f, -1.0f };

		// put inside a function to use in the main game loop or just paste into the main game loop
		// First place the light
		// Save the coordinate transformation
		glPushMatrix();
		// Rotate coordinate system
		glRotatef(yRot, 0.0f, 1.0f, 0.0f);
		glRotatef(xRot, 1.0f, 0.0f, 0.0f);

		// Specify new position and direction in rotated coords.
		glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
		glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, spotDir);

		// Draw a red cone to enclose the light source
		glColor3f(1, 0, 0);

		// Translate origin to move the cone out to where the light
		// is positioned.
		glTranslatef(lightPos[0], lightPos[1], lightPos[2]);
		//glutSolidCone(0.5f, 3.0f, 4, 4);
		GLUquadric *quad;
		quad = gluNewQuadric();
		gluSphere(quad, 0.5, 100, 20);


		// Draw a smaller displaced sphere to denote the light bulb
		// Save the lighting state variables
		glPushAttrib(GL_LIGHTING_BIT);

		// Turn off lighting and specify a bright yellow sphere
		glDisable(GL_LIGHTING);
		glColor3ub(255, 255, 0);
		glRotated(180, 0, 0, 0);
		GLUquadricObj *theQuadric;

		theQuadric = gluNewQuadric();

		gluQuadricDrawStyle(theQuadric, GLU_FILL);
		gluQuadricNormals(theQuadric, GLU_SMOOTH);
		gluCylinder(theQuadric, 0.8, 0, 1, 100, 20);

		gluDeleteQuadric(theQuadric);
		//glutSolidSphere(0.5f, 7.5, 7.5);

		// Restore lighting state variables
		glPopAttrib();

		// Restore coordinate transformations
		glPopMatrix();


		// Set material color and draw a sphere in the middle
		glColor3f(1, 1, 1);

		glEnable(GL_DEPTH_TEST);	// Hidden surface removal
		glFrontFace(GL_CCW);		// Counter clock-wise polygons face out
		//glEnable(GL_CULL_FACE);		// Do not try to display the back sides

		// Enable lighting
		glEnable(GL_LIGHTING);

		// Setup and enable light 0
		// Supply a slight ambient light so the objects can be seen
		glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambientLight);

		// The light is composed of just a diffuse and specular components
		glLightfv(GL_LIGHT0, GL_DIFFUSE, ambientLight);
		glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
		glLightfv(GL_LIGHT0, GL_POSITION, lightPos);

		// Specific spot effects
		// Cut off angle is 60 degrees
		glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 15.0f);

		// Enable this light in particular
		glEnable(GL_LIGHT0);

		// Enable color tracking
		glEnable(GL_COLOR_MATERIAL);

		// Set Material properties to follow glColor values
		glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);

		// All materials hereafter have full specular reflectivity
		// with a high shine
		glMaterialfv(GL_FRONT, GL_SPECULAR, specref);
		glMateriali(GL_FRONT, GL_SHININESS, 128);

		// Black background
		glClearColor(0.0f, 0.0f, 0.0f, 1.0f);