BOOM Light Transfer Tutorial

Light Transfer Tutorial for BOOM compatable Engines.

XDelusion 12-09-2007

Created in DOOM Builder.

STEP 1: Draw a Sector that is about 384x384 and place a player start THING.
STEP 2: Draw a sector within that sector that is about 128x128. Switch to sector MODE and apply the Lava to the floor, and assign the sector a Tag of 1. You can drop the floor and assign textures to the floor if you like.
STEP 3: Create a sector outside the Map. Enter the properties of one of it's lines. Give it a Tag of 1, and a Linedef actions of 213.
STEP 4: Go into sector mode and assign this new sector a light level of 255.
Save your map and load it up in your BOOM compatable port and you should now see that the floor of the sector in the middle of the room is brighter than the space between it and it's own ceiling as well as the rest of the room. If not, then carefully retrack your steps and refer back to steps 1-4. If you see the desired result, then goto step 5.
STEP 5: Now we will transfer light to the ceiling. Again we will draw a new sector in our original room.
STEP 6: Change to Sector Mode and apply a Tag of 2 to the sector, and set the ceiling texture to Lava. Again you can raise the ceiling a little bit here, but be sure to also texture the edges.
STEP 7: Draw another sector outside the map. Go into the properties of one of the lines and set the Tag to 2, and the Linedef to 261. Change to Sector Mode and change it's light level to 255.
Save your map and load it up in your BOOM compatable port and now you should see not only a floor that has it own light properties, but also a ceiling off to the side that also has its own light effects. Again if this is not your end result then refer back to the tutorial.
EXAMPLE: Light Transfer pWAD.

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