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clear should work?

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This commit is contained in:
Scott Richmond 2025-07-09 18:05:30 -04:00
parent df0656f68f
commit c60dec22ad
8 changed files with 145 additions and 112 deletions
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4
assets/prelude.ld
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@ -1434,9 +1434,7 @@ fn apply_command {
(:home) -> do state >
assoc (_, :position, (0, 0)) >
assoc (_, :heading, 0)
& (:clear) -> do state >
& assoc (state, :position, (0, 0)) >
& assoc (_, :heading, 0)
(:clear) -> state
(:right, turns) -> update (state, :heading, add (_, turns))
(:left, turns) -> update (state, :heading, sub (_, turns))
(:forward, steps) -> {

32
pkg/p5.js
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@ -1,13 +1,9 @@
import {eq_vect, eq_color, resolve_color, get_turtle_color, set_turtle_color, turtle_radius, turtle_angle, turn_to_rad, turtle_init, command_to_state, background_color, rotate, last} from "./turtle_geometry.js"
function states_to_call (prev, curr) {
console.log(prev)
console.log(curr)
const calls = []
// whose state should we use?
// pen states will only differ on more than one property
// if we use `loadstate`
// my sense is `prev`, but that may change
// console.log(prev)
// console.log(curr)
let calls = []
if (prev.pendown && !eq_vect(prev.position, curr.position)) {
calls.push(["line", prev.position[0], prev.position[1], curr.position[0], curr.position[1]])
}
@ -17,6 +13,9 @@ function states_to_call (prev, curr) {
if (curr.penwidth !== prev.penwidth) {
calls.push(["strokeWeight", curr.penwidth])
}
if (curr.clear) {
calls.push("clear")
}
return calls
}
@ -69,25 +68,36 @@ export function p5 (commands) {
let prev_state = last(all_states[turtle_id])
const new_state = command_to_state(prev_state, this_command)
all_states[turtle_id].push(new_state)
}
// console.log(all_states)
const [r, g, b, _] = resolve_color(background_color)
if ((r + g + b)/3 > 128) set_turtle_color([0, 0, 0, 150])
const p5_calls = [...p5_call_root()]
for (const states of Object.values(all_states)) {
p5_calls.push(["strokeWeight", 1])
p5_calls.push(["stroke", 255])
// console.log(states)
let my_calls = []
for (let i = 1; i < states.length; ++i) {
const prev = states[i - 1]
const curr = states[i]
const calls = states_to_call(prev, curr)
for (const call of calls) {
// console.log(call)
if (call === "clear") {
my_calls = []
} else {
my_calls.push(call)
}
}
}
p5_calls.push(["strokeWeight", 1])
p5_calls.push(["stroke", 255])
for (const call of my_calls) {
p5_calls.push(call)
}
p5_render_turtle(last(states), p5_calls)
}
p5_calls[0] = ["background", ...resolve_color(background_color)]
p5_render_turtle(states[states.length - 1], p5_calls)
}
p5_calls.push(["pop"])
return p5_calls
}

6
pkg/rudus.d.ts vendored
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@ -11,11 +11,11 @@ export interface InitOutput {
readonly __externref_table_alloc: () => number;
readonly __wbindgen_export_2: WebAssembly.Table;
readonly __wbindgen_free: (a: number, b: number, c: number) => void;
readonly __wbindgen_export_4: WebAssembly.Table;
readonly __wbindgen_malloc: (a: number, b: number) => number;
readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
readonly closure354_externref_shim: (a: number, b: number, c: any) => void;
readonly closure377_externref_shim: (a: number, b: number, c: any, d: any) => void;
readonly __wbindgen_export_6: WebAssembly.Table;
readonly closure361_externref_shim: (a: number, b: number, c: any) => void;
readonly closure384_externref_shim: (a: number, b: number, c: any, d: any) => void;
readonly __wbindgen_start: () => void;
}

172
pkg/rudus.js
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@ -51,6 +51,73 @@ function getStringFromWasm0(ptr, len) {
return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
}
let WASM_VECTOR_LEN = 0;
const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } );
const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
? function (arg, view) {
return cachedTextEncoder.encodeInto(arg, view);
}
: function (arg, view) {
const buf = cachedTextEncoder.encode(arg);
view.set(buf);
return {
read: arg.length,
written: buf.length
};
});
function passStringToWasm0(arg, malloc, realloc) {
if (typeof(arg) !== 'string') throw new Error(`expected a string argument, found ${typeof(arg)}`);
if (realloc === undefined) {
const buf = cachedTextEncoder.encode(arg);
const ptr = malloc(buf.length, 1) >>> 0;
getUint8ArrayMemory0().subarray(ptr, ptr + buf.length).set(buf);
WASM_VECTOR_LEN = buf.length;
return ptr;
}
let len = arg.length;
let ptr = malloc(len, 1) >>> 0;
const mem = getUint8ArrayMemory0();
let offset = 0;
for (; offset < len; offset++) {
const code = arg.charCodeAt(offset);
if (code > 0x7F) break;
mem[ptr + offset] = code;
}
if (offset !== len) {
if (offset !== 0) {
arg = arg.slice(offset);
}
ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
const ret = encodeString(arg, view);
if (ret.read !== arg.length) throw new Error('failed to pass whole string');
offset += ret.written;
ptr = realloc(ptr, len, offset, 1) >>> 0;
}
WASM_VECTOR_LEN = offset;
return ptr;
}
let cachedDataViewMemory0 = null;
function getDataViewMemory0() {
if (cachedDataViewMemory0 === null || cachedDataViewMemory0.buffer.detached === true || (cachedDataViewMemory0.buffer.detached === undefined && cachedDataViewMemory0.buffer !== wasm.memory.buffer)) {
cachedDataViewMemory0 = new DataView(wasm.memory.buffer);
}
return cachedDataViewMemory0;
}
function isLikeNone(x) {
return x === undefined || x === null;
}
@ -64,7 +131,7 @@ function _assertBoolean(n) {
const CLOSURE_DTORS = (typeof FinalizationRegistry === 'undefined')
? { register: () => {}, unregister: () => {} }
: new FinalizationRegistry(state => {
wasm.__wbindgen_export_4.get(state.dtor)(state.a, state.b)
wasm.__wbindgen_export_6.get(state.dtor)(state.a, state.b)
});
function makeMutClosure(arg0, arg1, dtor, f) {
@ -80,7 +147,7 @@ function makeMutClosure(arg0, arg1, dtor, f) {
return f(a, state.b, ...args);
} finally {
if (--state.cnt === 0) {
wasm.__wbindgen_export_4.get(state.dtor)(a, state.b);
wasm.__wbindgen_export_6.get(state.dtor)(a, state.b);
CLOSURE_DTORS.unregister(state);
} else {
state.a = a;
@ -156,73 +223,6 @@ function debugString(val) {
// TODO we could test for more things here, like `Set`s and `Map`s.
return className;
}
let WASM_VECTOR_LEN = 0;
const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } );
const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
? function (arg, view) {
return cachedTextEncoder.encodeInto(arg, view);
}
: function (arg, view) {
const buf = cachedTextEncoder.encode(arg);
view.set(buf);
return {
read: arg.length,
written: buf.length
};
});
function passStringToWasm0(arg, malloc, realloc) {
if (typeof(arg) !== 'string') throw new Error(`expected a string argument, found ${typeof(arg)}`);
if (realloc === undefined) {
const buf = cachedTextEncoder.encode(arg);
const ptr = malloc(buf.length, 1) >>> 0;
getUint8ArrayMemory0().subarray(ptr, ptr + buf.length).set(buf);
WASM_VECTOR_LEN = buf.length;
return ptr;
}
let len = arg.length;
let ptr = malloc(len, 1) >>> 0;
const mem = getUint8ArrayMemory0();
let offset = 0;
for (; offset < len; offset++) {
const code = arg.charCodeAt(offset);
if (code > 0x7F) break;
mem[ptr + offset] = code;
}
if (offset !== len) {
if (offset !== 0) {
arg = arg.slice(offset);
}
ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
const ret = encodeString(arg, view);
if (ret.read !== arg.length) throw new Error('failed to pass whole string');
offset += ret.written;
ptr = realloc(ptr, len, offset, 1) >>> 0;
}
WASM_VECTOR_LEN = offset;
return ptr;
}
let cachedDataViewMemory0 = null;
function getDataViewMemory0() {
if (cachedDataViewMemory0 === null || cachedDataViewMemory0.buffer.detached === true || (cachedDataViewMemory0.buffer.detached === undefined && cachedDataViewMemory0.buffer !== wasm.memory.buffer)) {
cachedDataViewMemory0 = new DataView(wasm.memory.buffer);
}
return cachedDataViewMemory0;
}
/**
* @param {string} src
* @returns {Promise<void>}
@ -240,13 +240,13 @@ function _assertNum(n) {
function __wbg_adapter_20(arg0, arg1, arg2) {
_assertNum(arg0);
_assertNum(arg1);
wasm.closure354_externref_shim(arg0, arg1, arg2);
wasm.closure361_externref_shim(arg0, arg1, arg2);
}
function __wbg_adapter_40(arg0, arg1, arg2, arg3) {
function __wbg_adapter_46(arg0, arg1, arg2, arg3) {
_assertNum(arg0);
_assertNum(arg1);
wasm.closure377_externref_shim(arg0, arg1, arg2, arg3);
wasm.closure384_externref_shim(arg0, arg1, arg2, arg3);
}
async function __wbg_load(module, imports) {
@ -291,6 +291,17 @@ function __wbg_get_imports() {
const ret = arg0.call(arg1, arg2);
return ret;
}, arguments) };
imports.wbg.__wbg_error_7534b8e9a36f1ab4 = function() { return logError(function (arg0, arg1) {
let deferred0_0;
let deferred0_1;
try {
deferred0_0 = arg0;
deferred0_1 = arg1;
console.error(getStringFromWasm0(arg0, arg1));
} finally {
wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
}
}, arguments) };
imports.wbg.__wbg_io_5a3c8ea72d8c6ea3 = function() { return handleError(function (arg0, arg1) {
let deferred0_0;
let deferred0_1;
@ -313,7 +324,7 @@ function __wbg_get_imports() {
const a = state0.a;
state0.a = 0;
try {
return __wbg_adapter_40(a, state0.b, arg0, arg1);
return __wbg_adapter_46(a, state0.b, arg0, arg1);
} finally {
state0.a = a;
}
@ -324,6 +335,10 @@ function __wbg_get_imports() {
state0.a = state0.b = 0;
}
}, arguments) };
imports.wbg.__wbg_new_8a6f238a6ece86ea = function() { return logError(function () {
const ret = new Error();
return ret;
}, arguments) };
imports.wbg.__wbg_newnoargs_105ed471475aaf50 = function() { return logError(function (arg0, arg1) {
const ret = new Function(getStringFromWasm0(arg0, arg1));
return ret;
@ -347,6 +362,13 @@ function __wbg_get_imports() {
const ret = Promise.resolve(arg0);
return ret;
}, arguments) };
imports.wbg.__wbg_stack_0ed75d68575b0f3c = function() { return logError(function (arg0, arg1) {
const ret = arg1.stack;
const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
const len1 = WASM_VECTOR_LEN;
getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
}, arguments) };
imports.wbg.__wbg_static_accessor_GLOBAL_88a902d13a557d07 = function() { return logError(function () {
const ret = typeof global === 'undefined' ? null : global;
return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
@ -381,8 +403,8 @@ function __wbg_get_imports() {
_assertBoolean(ret);
return ret;
};
imports.wbg.__wbindgen_closure_wrapper8119 = function() { return logError(function (arg0, arg1, arg2) {
const ret = makeMutClosure(arg0, arg1, 355, __wbg_adapter_20);
imports.wbg.__wbindgen_closure_wrapper8180 = function() { return logError(function (arg0, arg1, arg2) {
const ret = makeMutClosure(arg0, arg1, 362, __wbg_adapter_20);
return ret;
}, arguments) };
imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {

BIN
pkg/rudus_bg.wasm (Stored with Git LFS)
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Binary file not shown.

6
pkg/rudus_bg.wasm.d.ts vendored
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@ -6,9 +6,9 @@ export const __wbindgen_exn_store: (a: number) => void;
export const __externref_table_alloc: () => number;
export const __wbindgen_export_2: WebAssembly.Table;
export const __wbindgen_free: (a: number, b: number, c: number) => void;
export const __wbindgen_export_4: WebAssembly.Table;
export const __wbindgen_malloc: (a: number, b: number) => number;
export const __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
export const closure354_externref_shim: (a: number, b: number, c: any) => void;
export const closure377_externref_shim: (a: number, b: number, c: any, d: any) => void;
export const __wbindgen_export_6: WebAssembly.Table;
export const closure361_externref_shim: (a: number, b: number, c: any) => void;
export const closure384_externref_shim: (a: number, b: number, c: any, d: any) => void;
export const __wbindgen_start: () => void;

29
pkg/turtle_geometry.js
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@ -72,52 +72,52 @@ export function command_to_state (prev_state, curr_command) {
switch (verb) {
case "goto": {
const [_, [x, y]] = curr_command
return {...prev_state, position: [x, y]}
return {...prev_state, position: [x, y], clear: false}
}
case "home": {
return {...prev_state, position: [0, 0], heading: 0}
return {...prev_state, position: [0, 0], heading: 0, clear: false}
}
case "right": {
const [_, angle] = curr_command
const {heading} = prev_state
return {...prev_state, heading: heading + angle}
return {...prev_state, heading: heading + angle, clear: false}
}
case "left": {
const [_, angle] = curr_command
const {heading} = prev_state
return {...prev_state, heading: heading - angle}
return {...prev_state, heading: heading - angle, clear: false}
}
case "forward": {
const [_, steps] = curr_command
const {heading, position} = prev_state
const unit = unit_of(heading)
const move = mult(unit, steps)
return {...prev_state, position: add(position, move)}
return {...prev_state, position: add(position, move), clear: false}
}
case "back": {
const [_, steps] = curr_command
const {heading, position} = prev_state
const unit = unit_of(heading)
const move = mult(unit, -steps)
return {...prev_state, position: add(position, move)}
return {...prev_state, position: add(position, move), clear: false}
}
case "penup": {
return {...prev_state, pendown: false}
return {...prev_state, pendown: false, clear: false}
}
case "pendown": {
return {...prev_state, pendown: true}
return {...prev_state, pendown: true, clear: false}
}
case "penwidth": {
const [_, width] = curr_command
return {...prev_state, penwidth: width}
return {...prev_state, penwidth: width, clear: false}
}
case "pencolor": {
const [_, color] = curr_command
return {...prev_state, pencolor: color}
return {...prev_state, pencolor: color, clear: false}
}
case "setheading": {
const [_, heading] = curr_command
return {...prev_state, heading: heading}
return {...prev_state, heading: heading, clear: false}
}
case "loadstate": {
// console.log("LOADSTATE: ", curr_command)
@ -125,15 +125,18 @@ export function command_to_state (prev_state, curr_command) {
return {position: [x, y], heading, visible, pendown, penwidth, pencolor}
}
case "show": {
return {...prev_state, visible: true}
return {...prev_state, visible: true, clear: false}
}
case "hide": {
return {...prev_state, visible: false}
return {...prev_state, visible: false, clear: false}
}
case "background": {
background_color = curr_command[1]
return prev_state
}
case "clear": {
return {...prev_state, clear: true}
}
}
}

2
src/lib.rs
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@ -111,7 +111,7 @@ fn prelude() -> HashMap<Key, Value> {
#[wasm_bindgen]
pub async fn ludus(src: String) {
// instrument wasm to report rust panics
// console_error_panic_hook::set_once();
console_error_panic_hook::set_once();
// leak the source so it lives FOREVER
let src = src.to_string().leak();