import graphics3d.Graphics3DFramework;
import Graphics3D;
import Math;  // For using the sin() function


// Variables to store model IDs
int axis, sphere;

// Time counter (in units of frame updates)
int t = 0;


// Function called at the start of the program
void onStart ( int rendererID ) {

	// Optional settings: window size and background color
	setWindowSize( 800, 600 );
	setBackgroundColor( 0, 0, 0, 255 );

	// Create and place coordinate axes
	axis = newAxisModel( 3.0, 3.0, 3.0 );
	mountModel( axis, rendererID );

	// Create and place a sphere model
	sphere = newSphereModel( 2.0, 2.0, 2.0, 10, 8 );
	mountModel( sphere, rendererID );
}


// Function called repeatedly at each frame update (several times per second)
void onUpdate (int rendererID) {

	// Animate the sphere by deforming it and updating the time counter
	setModelSize( sphere, 1.0 + sin( 0.1 * t ) , 2.0, 2.0 );
	t++;
}