you use 'prepare matrix texture' to chop up a big image containing you textures then apply each of these 'tile' onto your matrix using 'set matrix tile'.

Here i use a huge terrain texture mapped to the entire matrix

load image "images\terrain_hires.jpg", 1
TILE_SIZE = 50
MATRIX_SIZE_X = 2000
MATRIX_SIZE_Z = 2000
make matrix 1,MATRIX_SIZE_X,MATRIX_SIZE_Z,TILE_SIZE,TILE_SIZE
prepare matrix texture 1,1,TILE_SIZE,TILE_SIZE
`fill matrix with 1 texture
tile=0
for z=0 to TILE_SIZE-1 step 1
for x=TILE_SIZE-1 to 0 step -1
set matrix tile 1,x,z,tile+1
inc tile,1
next x
next z
update matrix 1

What the flame does not consume, consumes the flame.

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