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base: twc:2686d70a4914f5d887a74dbc896042b28cc1a7c9
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twc:main
twc:tg_protocol
twc:post_computer_class
twc:to_zig
twc:to_janet
twc:last_clj
twc:better_state
twc:test_harness
twc:test-exprs
twc:expr-repeat
twc:better_panics
twc:improve_prelude
twc:delete_structs
twc:with_docs
twc:base_and_prelude
twc:cljs
twc:improve_errors
twc:before_cljs
twc:refactor-parser
twc:clean-up-parser
twc:from-scratch
twc:0.1.0-alpha.8
twc:0.1.0-alpha.2
twc:0.1.0-alpha
..
compare: twc:73b2343963698e7aa9cca7606fb37feb3c00f382
Branches Tags
twc:main
twc:tg_protocol
twc:post_computer_class
twc:to_zig
twc:to_janet
twc:last_clj
twc:better_state
twc:test_harness
twc:test-exprs
twc:expr-repeat
twc:better_panics
twc:improve_prelude
twc:delete_structs
twc:with_docs
twc:base_and_prelude
twc:cljs
twc:improve_errors
twc:before_cljs
twc:refactor-parser
twc:clean-up-parser
twc:from-scratch
twc:0.1.0-alpha.8
twc:0.1.0-alpha.2
twc:0.1.0-alpha

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2686d70a49 ... 73b2343963

5 changed files with 58 additions and 81 deletions
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60
build/ludus.mjs
View File

@ -2,29 +2,25 @@ import init from "./out.mjs"
const mod = await init() const mod = await init()
let res = null let result = null
let code = null let code = null
export function run (source) { export function run (source) {
code = source code = source
const output = mod.ludus(source).value const output = mod.ludus(source).value
res = JSON.parse(output) result = JSON.parse(output)
return res return result
} }
export function stdout () { export function stdout () {
if (!res) return "" if (!result) return ""
return res.io.console.data return result.io.console.data
} }
export function turtle_commands () { export function turtle_commands () {
if (!res) return [] if (!result) return []
return res.io.turtle.data return result.io.turtle.data
}
export function result () {
return res
} }
const turtle_init = { const turtle_init = {
@ -59,7 +55,6 @@ function resolve_color (color) {
if (typeof color === 'string') return colors[color] if (typeof color === 'string') return colors[color]
if (typeof color === 'number') return [color, color, color, 255] if (typeof color === 'number') return [color, color, color, 255]
if (Array.isArray(color)) return color if (Array.isArray(color)) return color
return [0, 0, 0, 255] // default to black?
} }
let background_color = "black" let background_color = "black"
@ -150,33 +145,27 @@ function command_to_state (prev_state, curr_command) {
} }
} }
function eq_vect (v1, v2) { function are_eq (v1, v2) {
const [x1, y1] = v1 const [x1, y1] = v1
const [x2, y2] = v2 const [x2, y2] = v2
return (x1 === x2) && (y1 === y2) return (x1 === x2) && (y1 === y2)
} }
function eq_color (c1, c2) {
if (c1 === c2) return true
const res1 = resolve_color(c1)
const res2 = resolve_color(c2)
for (let i = 0; i < res1.length; ++i) {
if (res1[i] !== res2[i]) return false
}
return true
}
function states_to_call (prev, curr) { function states_to_call (prev, curr) {
const calls = [] const calls = []
// whose state should we use? // whose state should we use?
// pen states will only differ on more than one property // pen states will only differ on more than one property
// if we use `loadstate` // if we use `loadstate`
// my sense is `prev`, but that may change // my sense is `prev`, but that may change
if (prev.pendown && !eq_vect(prev.position, curr.position)) { if (prev.pendown && !are_eq(prev.position, curr.position)) {
calls.push(["line", prev.position[0], prev.position[1], curr.position[0], curr.position[1]]) calls.push(["line", prev.position[0], prev.position[1], curr.position[0], curr.position[1]])
} }
if (!eq_color(curr.pencolor, prev.pencolor)) { if (curr.pencolor !== prev.pencolor) {
calls.push(["stroke", ...resolve_color(curr.pencolor)]) if (Array.isArray(curr.pencolor)) {
calls.push(["stroke", ...curr.pencolor])
} else {
calls.push(["stroke", curr.pencolor])
}
} }
if (curr.penwidth !== prev.penwidth) { if (curr.penwidth !== prev.penwidth) {
calls.push(["strokeWeight", curr.penwidth]) calls.push(["strokeWeight", curr.penwidth])
@ -209,12 +198,12 @@ function turn_to_rad (heading) {
} }
function turn_to_deg (heading) { function turn_to_deg (heading) {
return (heading % 1) * 360 return ((heading % 1) * 360)
} }
function svg_render_line (prev, curr) { function svg_render_line (prev, curr) {
if (!prev.pendown) return "" if (!prev.pendown) return ""
if (eq_vect(prev.position, curr.position)) return "" if (are_eq(prev.position, curr.position)) return ""
const {position: [x1, y1], pencolor, penwidth} = prev const {position: [x1, y1], pencolor, penwidth} = prev
const {position: [x2, y2]} = curr const {position: [x2, y2]} = curr
const [r, g, b, a] = resolve_color(pencolor) const [r, g, b, a] = resolve_color(pencolor)
@ -232,16 +221,6 @@ function escape_svg (svg) {
.replace(/'/g, "&apos;") .replace(/'/g, "&apos;")
} }
export function extract_ludus (svg) {
const code = svg.split("<ludus>")[1]?.split("</ludus>")[0] ?? ""
return code
.replace(/&amp;/g, "&")
.replace(/&lt;/g, "<")
.replace(/&gt;/g, ">")
.replace(/&quot;/g, `"`)
.replace(/&apos;/g, `'`)
}
function svg_render_path (states) { function svg_render_path (states) {
const path = [] const path = []
for (let i = 1; i < states.length; ++i) { for (let i = 1; i < states.length; ++i) {
@ -292,9 +271,8 @@ export function svg (commands) {
const view_height = (maxY - minY) * 1.2 const view_height = (maxY - minY) * 1.2
const margin = Math.max(view_width, view_height) * 0.1 const margin = Math.max(view_width, view_height) * 0.1
const x1 = minX - margin const x1 = minX - margin
// don't actually need these: const y1 = minY - margin
// const y1 = minY - margin const x2 = maxX + margin
// const x2 = maxX + margin
const y2 = maxY + margin const y2 = maxY + margin
const path = svg_render_path(states) const path = svg_render_path(states)
const turtle = svg_render_turtle(states[states.length - 1]) const turtle = svg_render_turtle(states[states.length - 1])

1
build/p5_test.mjs
View File

@ -1,7 +1,6 @@
import {run, p5} from "./ludus.mjs" import {run, p5} from "./ludus.mjs"
const code = ` const code = `
print! ("Hello, world!")
pencolor! (colors :white) pencolor! (colors :white)
repeat 10 { repeat 10 {
repeat 4 { repeat 4 {

72
build/svg_test.svg
View File

@ -1,5 +1,5 @@
<?xml version="1.0" standalone="no"?> <?xml version="1.0" standalone="no"?>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" style="background-color:rgb(0 0 0); background-opacity: 1" viewBox="-866.0173929337993 -866.0173929338016 1676.162696000903 1676.1626960009057"> <svg version="1.1" xmlns="http://www.w3.org/2000/svg" style="background-color:rgb(0 0 0); background-opacity: 1" viewBox="-866.0173929338009 -866.0173929337986 1676.1626960009053 1676.162696000903">
<g transform="scale(-1, 1) rotate(180)"> <g transform="scale(-1, 1) rotate(180)">
@ -15,76 +15,76 @@
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{ {
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{ {
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