Draw

With left mouse, you can draw currently selected sand.

Select sand by clicking the key buttons. Scroll over the key buttons to access all 20 key bindings.

Right-click the key buttons to bind another sand to that button. Save your map to save the key bindings.

key_buttons

Select draw radius, shape and other settings from the left panel. You can also quick-color your sand from here.

draw_left_panel

Select draw modes also from the left panel. You can mirror what you draw on x, y and xy axis. And also mirror on four of the canvas quarters.

Right-click the draw mode button to select mode, or Left-click to toggle the next mode.

draw_left_panel_color_modes

When in paused state, you can Undo or Redo up to 50 steps. The undo is done by saving snapshots after following actions:

You can Undo with Ctrl + Z, and Redo with Ctrl + Shift + Z. The history is cleared if you unpause the simulation.