printText( "Step 1: creating Double map and set its resolution" );
swapBuffers();
waitForKey();
clearScreen();
doubleMap.perlinNoise( 16, 16, 0.25, 0.5, 4 );
drawDoubleMap( doubleMap );
printText( "Step 2: filling DoubleMap with Perlin noise" );
swapBuffers();
waitForKey();