import graphics3d.Graphics3DFramework;
import Graphics3D;
import Math;  // For the PI constant

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

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


	// Create a local coordinate system
	int coord = newCoordinate( );

	// Mount it on the world coordinate system
	mountCoordinate( coord, rendererID );

	// Move the local system slightly in the X direction
	moveCoordinate( coord, 1.0, 0.0, 0.0 );


	// Spin the local system 45 degrees around its own Z axis
	spinCoordinateZ( coord, PI/4.0 );


	// Mount a small axis model on the local system
	int axis1 = newAxisModel( 1.5, 1.5, 1.5 );
	mountModel( axis1, rendererID, coord );

	// Mount a large axis model on the world system
	int axis2 = newAxisModel( 3.0, 3.0, 3.0 );
	mountModel( axis2, rendererID );
}