130 lines
4.2 KiB
Fennel
130 lines
4.2 KiB
Fennel
(local pxl8 (require :pxl8))
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(local cube3d (require :mod.cube3d))
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(local worldgen (require :mod.worldgen))
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(var time 0)
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(var active-demo :logo)
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(var particles nil)
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(var fire-init? false)
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(var rain-init? false)
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(var snow-init? false)
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(var use-famicube-palette? false)
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(var logo-x 256)
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(var logo-y 148)
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(var logo-dx 100)
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(var logo-dy 80)
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(var logo-sprite nil)
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(var transition nil)
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(var transition-pending nil)
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(fn switch-demo [new-demo]
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(when (and (not= active-demo new-demo) (not transition))
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(set transition-pending new-demo)
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(set transition (pxl8.transition_create :pixelate 0.5))
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(pxl8.transition_set_color transition 0xFF000000)
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(pxl8.transition_start transition)))
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(global init (fn []
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(cube3d.init)
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(worldgen.init)
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(pxl8.load_palette "res/sprites/pxl8_logo.ase")
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(set logo-sprite (pxl8.load_sprite "res/sprites/pxl8_logo.ase"))
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(set particles (pxl8.particles_new 1000))))
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(global update (fn [dt]
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(set time (+ time dt))
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(when transition
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(pxl8.transition_update transition dt)
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(when (pxl8.transition_is_complete transition)
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(when transition-pending
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(set active-demo transition-pending)
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(set transition-pending nil)
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(when (= active-demo :fire) (set fire-init? false))
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(when (= active-demo :rain) (set rain-init? false))
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(when (= active-demo :snow) (set snow-init? false)))
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(pxl8.transition_destroy transition)
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(set transition nil)))
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(when (pxl8.key_pressed "1") (switch-demo :logo))
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(when (pxl8.key_pressed "2") (switch-demo :plasma))
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(when (pxl8.key_pressed "3") (switch-demo :tunnel))
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(when (pxl8.key_pressed "4") (switch-demo :raster))
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(when (pxl8.key_pressed "5") (switch-demo :fire))
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(when (pxl8.key_pressed "6") (switch-demo :rain))
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(when (pxl8.key_pressed "7") (switch-demo :snow))
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(when (pxl8.key_pressed "8") (switch-demo :cube3d))
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(when (pxl8.key_pressed "9") (switch-demo :worldgen))
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(when (pxl8.key_pressed "=")
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(set use-famicube-palette? (not use-famicube-palette?))
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(local palette-path (if use-famicube-palette? "res/palettes/famicube.ase" "res/sprites/pxl8_logo.ase"))
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(pxl8.load_palette palette-path))
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(case active-demo
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:logo (do
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(set logo-x (+ logo-x (* logo-dx dt)))
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(set logo-y (+ logo-y (* logo-dy dt)))
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(when (or (< logo-x 0) (> logo-x 512))
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(set logo-dx (- logo-dx)))
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(when (or (< logo-y 0) (> logo-y 296))
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(set logo-dy (- logo-dy))))
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:cube3d (cube3d.update dt)
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:worldgen (worldgen.update dt))
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(when particles
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(pxl8.particles_update particles dt))))
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(global frame (fn []
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(case active-demo
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:logo (do
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(pxl8.clear 0)
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(when logo-sprite
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(pxl8.sprite logo-sprite logo-x logo-y 128 64)))
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:plasma (pxl8.vfx_plasma time 0.10 0.04 1)
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:tunnel (pxl8.vfx_tunnel time 2.0 0.25)
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:raster (do
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(pxl8.clear 0)
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(local bars [{:base_y 60 :amplitude 30 :height 16 :speed 2.0 :phase 0 :color 1 :fade_color 18}
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{:base_y 180 :amplitude 35 :height 16 :speed 1.8 :phase 2.0 :color 1 :fade_color 27}
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{:base_y 300 :amplitude 25 :height 16 :speed 2.2 :phase 4.0 :color 1 :fade_color 24}])
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(pxl8.vfx_raster_bars bars time))
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:fire (do
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(pxl8.clear 0)
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(when particles
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(when (not fire-init?)
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(pxl8.particles_clear particles)
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(pxl8.vfx_fire particles 160 140 100 12)
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(set fire-init? true))
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(pxl8.particles_render particles)))
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:rain (do
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(pxl8.clear 0)
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(when particles
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(when (not rain-init?)
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(pxl8.particles_clear particles)
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(pxl8.vfx_rain particles 320 10.0)
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(set rain-init? true))
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(pxl8.particles_render particles)))
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:snow (do
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(pxl8.clear 0)
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(when particles
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(when (not snow-init?)
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(pxl8.particles_clear particles)
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(pxl8.vfx_snow particles 320 5.0)
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(set snow-init? true))
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(pxl8.particles_render particles)))
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:cube3d (cube3d.frame)
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:worldgen (worldgen.frame)
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_ (pxl8.clear 0))
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(when transition
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(pxl8.transition_render transition))))
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