dds to show building block h to hide them space to bring bucket to your mouse d to draw a to stop drawing you can only draw when the blocks are hidden left and right arrows to rotate bucket and number keys 1 2 and 3 to switch color color changes how the water interacts with it. Press 4 to erase all drawings 5 and 6 to change drawing thickness the water interacts better with thicker lines number key 7 is erase drawings w to spawn water and 8 to delete all water. 9 and zero change water design