DONE	blocks/block3.png	søjle
DONE	elevating_column	søjle som kan hæve/sænke
DONE	well.png		well with alpha in center to allow coloured light
DONE	tiles/indoor		floor tiles
DONE	/weight_indicator/	weight scale indicator (arrow moving 180 degrees from left to right)
DONE	/numbered_stones/	symbol stones
DONE	lasersource		lasersource
DONE	lasertarget.png		lasertarget
dummy	spacecraft.png		spaceship
dummy	wall.png		walls (in-door)
dummy	/door/			gate
				elevating_platform
				water/lava/to be discussed
