90e9e73084
extruder:
new tech: refractory metal - increase extruder damage radius
fixed extruder graphics bug, and collisions bug
dynamical systems and discrete optimization are allowed with plasma torch
(although I nerfed them both just a bit)
irradiated nails: 90% damage spread over 2s -> 3s
same total damage, but it takes 1 second longer
toggling harpoon: 6x -> 8x damage
also the graphic effect is more obvious
slasher mobs will grow their sword at the farthest vertex from the player
2-d physics rogue-lite platformer shooter