init walls system

This commit is contained in:
Travis Shears 2026-04-24 10:27:37 +02:00
parent 77dccc9e6f
commit 4b77c7e5a3
Signed by: travisshears
GPG key ID: CB9BF1910F3F7469
3 changed files with 68 additions and 79 deletions

View file

@ -1,33 +1,14 @@
;; deps ;; deps
(local levels (. (require "levels.fnl") :levels)) ; (local levels (. (require "levels.fnl") :levels))
(local bump (require "libs/bump")) ; (local bump (require "libs/bump"))
(local tiny (require "libs/tiny")) ; (local tiny (require "libs/tiny"))
(local assets (require "src/assets.fnl")) ; (local assets (require "src/assets.fnl"))
(local utils (require "src/utils.fnl")) (local utils (require "src/utils.fnl"))
(local colors (require "src/colors.fnl")) ; (local colors (require "src/colors.fnl"))
(local tutorial (require "src/levels/tutorial.fnl")) (local tutorial (require "src/levels/tutorial.fnl"))
; (utils.debug-print assets)
; (local network (require "network.fnl"))
(var pool nil) (var pool nil)
;; global vars
; (var level-key "tutorial")
; (var player-art nil) ; 25x50 pixels each player is 25x25
; (var dust-sprite nil) ; 35x35 pixels
; (var battery-bar-sprite nil)
; (local walls {
; :sprite nil
; :quads []
; :batch nil
; })
; (local objects {
; :sprite nil
; :quads {}
; :list []
; })
(local screen (local screen
(let [scale 2 canvas-w 800 canvas-h 450] (let [scale 2 canvas-w 800 canvas-h 450]
{ :screen-w (* canvas-w scale) { :screen-w (* canvas-w scale)
@ -44,43 +25,6 @@
; (var bump-world nil) ; (var bump-world nil)
; (local player { :x 50 :y 50 :w 25 :h 25 :speed 80 :battery 100 :rot 0 }) ; (local player { :x 50 :y 50 :w 25 :h 25 :speed 80 :battery 100 :rot 0 })
; (lambda mirror-collider [collider]
; "Mirror a collider box horizontally within a 25-unit tile (center is at 12.5)
; Transforms collider positions so they're reflected across the vertical center line."
; {
; :x (- 25 collider.x collider.width)
; :y collider.y
; :width collider.width
; :height collider.height
; })
; (fn load-walls []
; (set walls.batch (love.graphics.newSpriteBatch walls.sprite 2500))
; ;; load quads
; (let [(w h) (walls.sprite:getDimensions)]
; (for [i 0 19 1]
; (table.insert walls.quads (love.graphics.newQuad (* i 25) 0 25 25 w h))))
; ;; fill batch
; (each [_ row (pairs (. levels :levels level-key :tiles))]
; (each [_ tile (pairs row)]
; (let [
; x tile.x
; y tile.y
; id tile.tile-id
; colliders tile.colliders]
; (if (and (> id 0) (< id 21)) ;; 1-20 are wall tiles
; (do
; ; (print (fennel.view {:quad (. walls.quads id) : x : y : id}))
; (walls.batch:add (. walls.quads id) (if tile.h-flip (+ x 25) x) y 0 (if tile.h-flip -1 1) 1)
; (each [_ collider (pairs colliders)]
; (let [
; mirrored-collider (if tile.h-flip (mirror-collider collider) collider)
; collider-x (+ x mirrored-collider.x)
; collider-y (+ y mirrored-collider.y)]
; (bump-world:add {: x : y :name :wall :behavior :block} collider-x collider-y mirrored-collider.width mirrored-collider.height)
; (table.insert
; collider-debug-boxes
; {:x collider-x :y collider-y :width mirrored-collider.width :height mirrored-collider.height})))))))))
; (lambda create-charging-station [x y] ; (lambda create-charging-station [x y]
; (let [ ; (let [
@ -282,24 +226,6 @@ while 1 do love.event.push('stdin', io.read('*line')) end") :start))
; ) ; )
; (lambda angle-to-direction [angle]
; "Convert angle (radians) to compass direction keyword"
; (local tau (* 2 math.pi))
; ; Normalize angle to 0-2π range
; (local normalized (% (+ angle tau) tau))
; ; Offset by 22.5° (π/8) so section boundaries align with directions
; (local offset (+ normalized (/ math.pi 8)))
; ; Find which 45° section (π/4) it falls into
; (local section (math.floor (/ offset (/ math.pi 4))))
; ; Map to compass directions
; (local directions [:e :se :s :sw :w :nw :n :ne])
; (. directions (+ (% section 8) 1)))
; (fn draw-objects []
; (each [_ obj (pairs objects.list)]
; ; (print (fennel.view obj))
; (obj:draw)))
(fn love.draw [] (fn love.draw []
(for [i 1 99 1] (for [i 1 99 1]
(let [draw-trigger (.. "draw" i)] (let [draw-trigger (.. "draw" i)]

View file

@ -1,9 +1,11 @@
(local bump (require "libs/bump"))
(local color (require "src/colors.fnl")) (local color (require "src/colors.fnl"))
(local nata (require "libs/nata")) (local nata (require "libs/nata"))
(local utils (require "src/utils.fnl")) (local utils (require "src/utils.fnl"))
(local camera (require "src/systems/camera.fnl")) (local camera (require "src/systems/camera.fnl"))
(local beholder (require "libs/beholder")) (local beholder (require "libs/beholder"))
(local player (require "src/entities/player.fnl")) (local player (require "src/entities/player.fnl"))
(local walls (require "src/systems/walls.fnl"))
(fn load [screen] (fn load [screen]
(let [ (let [
@ -12,6 +14,8 @@
:data { :data {
: screen : screen
: canvas : canvas
:bump-world (bump.newWorld 25)
:level-key :tutorial
} }
; :groups { ; :groups {
; gravity = {filter = {'gravity'}}, ; gravity = {filter = {'gravity'}},
@ -20,6 +24,7 @@
:systems [ :systems [
(nata:oop) (nata:oop)
camera camera
walls
] ]
})] })]
(pool:queue player) (pool:queue player)

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@ -0,0 +1,58 @@
(local assets (require "src/assets.fnl"))
(local levels (require "levels.fnl"))
(local color (require "src/colors.fnl"))
(local walls {
:quads []
:batch nil
:collider-debug-boxes []
})
(lambda mirror-collider [collider]
"Mirror a collider box horizontally within a 25-unit tile (center is at 12.5)
Transforms collider positions so they're reflected across the vertical center line."
{
:x (- 25 collider.x collider.width)
:y collider.y
:width collider.width
:height collider.height
})
(fn walls.load [self]
(set self.batch (love.graphics.newSpriteBatch assets.walls-sprite 2500))
;; load quads
(let [(w h) (assets.walls-sprite:getDimensions)]
(for [i 0 19 1]
(table.insert self.quads (love.graphics.newQuad (* i 25) 0 25 25 w h))))
;; fill batch
(each [_ row (pairs (. levels :levels self.pool.data.level-key :tiles))]
(each [_ tile (pairs row)]
(let [
x tile.x
y tile.y
id tile.tile-id
colliders tile.colliders]
(if (and (> id 0) (< id 21)) ;; 1-20 are wall tiles
(do
(self.batch:add (. self.quads id) (if tile.h-flip (+ x 25) x) y 0 (if tile.h-flip -1 1) 1)
(each [_ collider (pairs colliders)]
(let [
mirrored-collider (if tile.h-flip (mirror-collider collider) collider)
collider-x (+ x mirrored-collider.x)
collider-y (+ y mirrored-collider.y)]
(self.pool.data.bump-world:add {: x : y :name :wall :behavior :block} collider-x collider-y mirrored-collider.width mirrored-collider.height)
(table.insert
self.collider-debug-boxes
{:x collider-x :y collider-y :width mirrored-collider.width :height mirrored-collider.height})))))))))
(fn walls.draw49 [self]
(color.reset-color)
(love.graphics.draw self.batch))
(fn walls.draw-debug [self]
"draw collider debug boxes"
(color.set-color :black)
(each [_ collider (pairs self.collider-debug-boxes)]
(love.graphics.rectangle "line" collider.x collider.y collider.width collider.height)))
walls