H: Toggle this help.
Shift + middle mouse button cycle through flow layers.

• Boid: color=white influences both human and zed.
• Human: color=blue influences only human
• Zombie: color=green influences only zombie
• Food: color=yellow influences only humans looking for food

Middle mouse button cycle through flow paint modes.
0-9: Change paint brush size when in flow paint mode.
Left click add flow / wall. Right click remove flow / wall.
Shift + left / right click to alter static flows.

• White: wall mode. left click to add, right click to remove
• Blue: Add flow in stroke direction
• Green: Add flow to attract to center
• Red: Add flow to repulse from center

Humans are blue and Zed are green.
Humans get hungry over time, the more hungry a human is the more it will turn red and seek out food.
Humans will die of starvation if they don't find food.
When a zed touches a Human the human dies.
When a human dies it becomes a zed and a red ring emanates from new zed to show there has been a conversion.
New zed cant move or convert humans for 3 seconds.