(Include   snail   "snail.obj")
(Include   explosion   "ngon.obj" "star.obj")

(G explosions
    (I   inst1   explosion   (S  5 5) (R  {-t*2}) (T  5  3.4) (color  1  0  0))     ## red explosion
    (I   inst2   explosion   (S  5 5) (R  {-t*2+60}) (T  5  3.4) (color  1  0.8  0.2))     ## orange explosion
    (I   inst3   explosion   (S  5 5) (R  {-t*2+120}) (T  5  3.4) (color  1  1  0))     ## yellow explosion
    (I   inst4   explosion   (S  5 5) (R  {-t*2+180}) (T  5  3.4) (color  0  1  0))     ## green explosion
    (I   inst5   explosion   (S  5 5) (R  {-t*2+240}) (T  5  3.4) (color  0  0.5  1))     ## blue explosion
    (I   inst5   explosion   (S  5 5) (R  {-t*2+300}) (T  5  3.4) (color  0.5  0  1))     ## purple explosion
 )

(G moving_snail
    (I   inst1   snail   (S  {5*sin(t*3*dgr)} 3 )   (T {8*sin(t*3*dgr)} 2))    ## moving snail, moving and translating
 )

(G star_loop
    (I   s1    explosions    (T 10 0) (lod 3))
    (I   s2    explosions    (T 7 7) (lod 2))
    (I   s3    explosions    (T 0 10) (lod 1))
    (I   s4    explosions    (T -7 7) (lod 0))
    (I   s5    explosions    (T -10 0) (lod 3))
    (I   s6    explosions    (T -7 -7) (lod 2))
    (I   s7    explosions    (T 0 -10) (lod 1))
    (I   s8    explosions    (T 7 -7) (lod 0))
)
 
(G myScene
    (I   i_1   star_loop  (S 1.2 1.2) (T -5 -5)) ## a loop of stars, with varying LODs
    (I   i_2   moving_snail   (lod  2) (color 1 0 0))   ## moving red snail
    (I   i_3   moving_snail  (S -1 1) (T -3 -5 ) (lod  2) (color 0 1 0))   ## mirrored moving green snail
 )

(Render  myScene)