groworld/hayfever/set-test.scm
2009-04-08 16:30:17 +01:00

166 lines
5.1 KiB
Scheme

(define (build-shells obj count dist col)
(when (not (zero? count))
(with-state
(parent obj)
(colour col)
(let ((shell (build-copy obj)))
(with-primitive shell
(pdata-map!
(lambda (p n)
(vadd p (vmul (vector 0 1 0) dist)))
"p" "n"))
(build-shells shell (- count 1) dist (vmul col 1))))))
(define (build-shrub p n)
(with-state
(translate p)
(colour (vector 0.5 0.7 0.4))
(let ((shrub (build-ribbon (+ (random 10) 2))))
(with-primitive shrub
(pdata-index-map!
(lambda (i p)
(let ((j (* 0.2 (* i 0.2))))
(vector (* (crndf) j) (* i 0.2) (* (crndf) j))))
"p")
(pdata-index-map!
(lambda (i w)
(* (/ 1 (+ i 1)) 0.2))
"w")))))
(define (choose l)
(list-ref l (random (length l))))
(define (build-flower p n obj)
(with-state
(backfacecull 0)
(hint-depth-sort)
; (hint-unlit)
(translate p)
(rotate (vector 0 (random 360) 0))
(scale (+ 1 (* (rndf) 1.5)))
(texture (load-texture (choose (list
"textures/bgplant-1.png"
"textures/bgplant-2.png"
"textures/bgplant-3.png"
"textures/bgplant-4.png"
"textures/bgplant-5.png"
"textures/bgplant-6.png"
))))
(let ((o (build-copy obj)))
(with-primitive o (hide 0)))
; (load-primitive "meshes/freeplant.obj")
))
(define (load-model tex obj)
(with-state
(texture (load-texture (string-append "textures/" tex)))
(load-primitive (string-append "meshes/" obj))))
(clear)
;----------------------------------------------
; build the set
(clear-colour (vmul (vector 0.4 0.5 0.9) 0.2))
(fog (vector 0.4 0.5 0.9) 0.01 1 100)
(define l (make-light 'spot 'free))
(light-diffuse 0 (vector 0 0 0))
(light-diffuse l (vector 1 1 1))
(light-position l (vector 0 5 0))
(light-direction l (vector 0 -1 0))
(light-spot-angle l 55)
(light-spot-exponent l 1)
(define l2 (make-light 'point 'free))
(light-position l2 (vector 0 10 0))
(light-diffuse l2 (vector 0.4 0.5 0.9))
(clear-texture-cache)
(clear-geometry-cache)
(with-state
(backfacecull 0)
(hint-depth-sort)
(hint-unlit)
(texture-params 0 '(wrap-s repeat wrap-t repeat))
(load-model "bgplant-1.png" "plant-0.obj")
(load-model "bgplant-1.png" "plant-1.obj")
(load-model "bgplant-1.png" "plant-2.obj")
(load-model "bgplant-1.png" "plant-3.obj")
(load-model "bgplant-1.png" "plant-4.obj")
(load-model "bgplant-1.png" "plant-5.obj")
(load-model "bgplant-1.png" "plant-6.obj")
; (load-model "bgplant-2.png" "plant-7.obj")
)
(with-state
(backfacecull 0)
(load-model "car-base.png" "car.obj")
(load-model "car-base.png" "car-2.obj")
(load-model "telly-base.png" "telly-2.obj"))
(with-state
(load-model "telly-base.png" "telly-0.obj")
(load-model "telly-base2.png" "telly-1.obj")
(load-model "telly-base.png" "telly-2.obj")
(load-model "telly-base.png" "telly-3.obj")
(load-model "telly-base.png" "telly-4.obj"))
(with-state
(load-model "washer-base.png" "washer-0.obj")
(load-model "washer-base.png" "washer-1.obj")
(load-model "washer-base.png" "washer-2.obj")
(load-model "washer-base.png" "washer-3.obj"))
(define terrain (with-state
(texture (load-texture "textures/ground-base.png"))
(load-primitive "meshes/ground.obj")))
;(define grassmap (load-primitive "textures/set-grass.png"))
(define (tx->pi tx)
(+ (vy tx) (* (vx tx) (pixels-width))))
(define flower-obj (load-primitive "meshes/freeplant.obj"))
(with-primitive flower-obj
(pdata-map!
(lambda (n p)
(vnormalise p))
"n" "p")
(hide 1))
(with-primitive terrain
(poly-for-each-tri-sample
(lambda (indices bary)
(let ((tc (vadd
(vmul (pdata-ref "t" (list-ref indices 0)) (vx bary))
(vmul (pdata-ref "t" (list-ref indices 1)) (vy bary))
(vmul (pdata-ref "t" (list-ref indices 2)) (vz bary)))))
(when (zero? (random 2)) #;(> (va (with-primitive grassmap (pdata-ref "c" (tx->pi tc)))) 0.5)
(build-flower (vadd
(vmul (pdata-ref "p" (list-ref indices 0)) (vx bary))
(vmul (pdata-ref "p" (list-ref indices 1)) (vy bary))
(vmul (pdata-ref "p" (list-ref indices 2)) (vz bary))) (vector 0 1 0)
flower-obj))))
1))
(define shell0 (build-copy terrain))
(with-primitive shell0
(pdata-copy "t" "t1")
(pdata-map!
(lambda (t)
(vmul t 4))
"t"))
(with-state
(multitexture 0 (load-texture "textures/shell.png"))
; (multitexture 1 (load-texture "textures/ground-grassmap.png"))
(build-shells shell0 4 0.05 (vector 1 0.5 1)))