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fix p5 state calculations

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This commit is contained in:
Scott Richmond 2025-07-05 17:30:19 -04:00
parent 20e46b4d62
commit 45984e190a
5 changed files with 112 additions and 70 deletions
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58
pkg/ludus.js
View File

@ -236,71 +236,68 @@ function unit_of (heading) {
return [Math.cos(radians), Math.sin(radians)]
}
function command_to_state (state, command) {
const [target, _id, curr_command] = command
const state_stack = state[target] ?? [turtle_init]
const prev_state = state_stack[state_stack.length - 1]
function command_to_state (prev_state, curr_command) {
const [verb] = curr_command
switch (verb) {
case "goto": {
const [_, x, y] = curr_command
return [target, {...prev_state, position: [x, y]}]
return {...prev_state, position: [x, y]}
}
case "home": {
return [target, {...prev_state, position: [0, 0], heading: 0}]
return {...prev_state, position: [0, 0], heading: 0}
}
case "right": {
const [_, angle] = curr_command
const {heading} = prev_state
return [target, {...prev_state, heading: heading + angle}]
return {...prev_state, heading: heading + angle}
}
case "left": {
const [_, angle] = curr_command
const {heading} = prev_state
return [target, {...prev_state, heading: heading - angle}]
return {...prev_state, heading: heading - angle}
}
case "forward": {
const [_, steps] = curr_command
const {heading, position} = prev_state
const unit = unit_of(heading)
const move = mult(unit, steps)
return [target, {...prev_state, position: add(position, move)}]
return {...prev_state, position: add(position, move)}
}
case "back": {
const [_, steps] = curr_command
const {heading, position} = prev_state
const unit = unit_of(heading)
const move = mult(unit, -steps)
return [target, {...prev_state, position: add(position, move)}]
return {...prev_state, position: add(position, move)}
}
case "penup": {
return [target, {...prev_state, pendown: false}]
return {...prev_state, pendown: false}
}
case "pendown": {
return [target, {...prev_state, pendown: true}]
return {...prev_state, pendown: true}
}
case "penwidth": {
const [_, width] = curr_command
return [target, {...prev_state, penwidth: width}]
return {...prev_state, penwidth: width}
}
case "pencolor": {
const [_, color] = curr_command
return [target, {...prev_state, pencolor: color}]
return {...prev_state, pencolor: color}
}
case "setheading": {
const [_, heading] = curr_command
return [target, {...prev_state, heading: heading}]
return {...prev_state, heading: heading}
}
case "loadstate": {
// console.log("LOADSTATE: ", curr_command)
const [_, [x, y], heading, visible, pendown, penwidth, pencolor] = curr_command
return [target, {position: [x, y], heading, visible, pendown, penwidth, pencolor}]
return {position: [x, y], heading, visible, pendown, penwidth, pencolor}
}
case "show": {
return [target, {...prev_state, visible: true}]
return {...prev_state, visible: true}
}
case "hide": {
return [target, {...prev_state, visible: false}]
return {...prev_state, visible: false}
}
case "background": {
background_color = curr_command[1]
@ -535,18 +532,29 @@ function p5_render_turtle (state, calls) {
// return p5_calls
// }
function last (arr) {
return arr[arr.length - 1]
}
export function p5 (commands) {
const all_states = {}
commands.reduce((prev_state, command) => {
const [turtle_id, new_state] = command_to_state(prev_state, command)
if (!all_states[turtle_id]) all_states[turtle_id] = [turtle_init]
for (const command of commands) {
const [turtle_id, _, this_command] = command
let stack = all_states[turtle_id]
if (!stack) {
const new_stack = [turtle_init]
all_states[turtle_id] = new_stack
stack = new_stack
}
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)
return new_state
}, all_states)
}
const [r, g, b, _] = resolve_color(background_color)
if ((r + g + b)/3 > 128) turtle_color = [0, 0, 0, 150]
const p5_calls = [...p5_call_root()]
for (const states of Object.values(all_states)) {
console.log(states)
for (let i = 1; i < states.length; ++i) {
const prev = states[i - 1]
const curr = states[i]
@ -554,11 +562,11 @@ export function p5 (commands) {
for (const call of calls) {
p5_calls.push(call)
}
}
p5_calls[0] = ["background", ...resolve_color(background_color)]
p5_render_turtle(states[states.length - 1], p5_calls)
}
}
p5_calls.push(["pop"])
}
return p5_calls
}

4
pkg/rudus.d.ts vendored
View File

@ -14,8 +14,8 @@ export interface InitOutput {
readonly __wbindgen_malloc: (a: number, b: number) => number;
readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
readonly __wbindgen_export_6: WebAssembly.Table;
readonly closure338_externref_shim: (a: number, b: number, c: any) => void;
readonly closure351_externref_shim: (a: number, b: number, c: any, d: any) => void;
readonly closure353_externref_shim: (a: number, b: number, c: any) => void;
readonly closure376_externref_shim: (a: number, b: number, c: any, d: any) => void;
readonly __wbindgen_start: () => void;
}

114
pkg/rudus.js
View File

@ -17,6 +17,22 @@ function handleError(f, args) {
}
}
function logError(f, args) {
try {
return f.apply(this, args);
} catch (e) {
let error = (function () {
try {
return e instanceof Error ? `${e.message}\n\nStack:\n${e.stack}` : e.toString();
} catch(_) {
return "<failed to stringify thrown value>";
}
}());
console.error("wasm-bindgen: imported JS function that was not marked as `catch` threw an error:", error);
throw e;
}
}
const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } );
if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); };
@ -54,6 +70,8 @@ const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
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;
@ -82,7 +100,7 @@ function passStringToWasm0(arg, malloc, realloc) {
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;
}
@ -104,6 +122,12 @@ function isLikeNone(x) {
return x === undefined || x === null;
}
function _assertBoolean(n) {
if (typeof(n) !== 'boolean') {
throw new Error(`expected a boolean argument, found ${typeof(n)}`);
}
}
const CLOSURE_DTORS = (typeof FinalizationRegistry === 'undefined')
? { register: () => {}, unregister: () => {} }
: new FinalizationRegistry(state => {
@ -210,12 +234,19 @@ export function ludus(src) {
return ret;
}
function _assertNum(n) {
if (typeof(n) !== 'number') throw new Error(`expected a number argument, found ${typeof(n)}`);
}
function __wbg_adapter_20(arg0, arg1, arg2) {
wasm.closure338_externref_shim(arg0, arg1, arg2);
_assertNum(arg0);
_assertNum(arg1);
wasm.closure353_externref_shim(arg0, arg1, arg2);
}
function __wbg_adapter_46(arg0, arg1, arg2, arg3) {
wasm.closure351_externref_shim(arg0, arg1, arg2, arg3);
_assertNum(arg0);
_assertNum(arg1);
wasm.closure376_externref_shim(arg0, arg1, arg2, arg3);
}
async function __wbg_load(module, imports) {
@ -260,7 +291,7 @@ function __wbg_get_imports() {
const ret = arg0.call(arg1, arg2);
return ret;
}, arguments) };
imports.wbg.__wbg_error_7534b8e9a36f1ab4 = function(arg0, arg1) {
imports.wbg.__wbg_error_7534b8e9a36f1ab4 = function() { return logError(function (arg0, arg1) {
let deferred0_0;
let deferred0_1;
try {
@ -270,7 +301,7 @@ function __wbg_get_imports() {
} 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;
@ -283,10 +314,10 @@ function __wbg_get_imports() {
wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
}
}, arguments) };
imports.wbg.__wbg_log_11652c6a56eeddfb = function(arg0, arg1) {
imports.wbg.__wbg_log_11652c6a56eeddfb = function() { return logError(function (arg0, arg1) {
console.log(getStringFromWasm0(arg0, arg1));
};
imports.wbg.__wbg_new_23a2665fac83c611 = function(arg0, arg1) {
}, arguments) };
imports.wbg.__wbg_new_23a2665fac83c611 = function() { return logError(function (arg0, arg1) {
try {
var state0 = {a: arg0, b: arg1};
var cb0 = (arg0, arg1) => {
@ -303,65 +334,65 @@ function __wbg_get_imports() {
} finally {
state0.a = state0.b = 0;
}
};
imports.wbg.__wbg_new_8a6f238a6ece86ea = function() {
}, arguments) };
imports.wbg.__wbg_new_8a6f238a6ece86ea = function() { return logError(function () {
const ret = new Error();
return ret;
};
imports.wbg.__wbg_newnoargs_105ed471475aaf50 = function(arg0, arg1) {
}, arguments) };
imports.wbg.__wbg_newnoargs_105ed471475aaf50 = function() { return logError(function (arg0, arg1) {
const ret = new Function(getStringFromWasm0(arg0, arg1));
return ret;
};
imports.wbg.__wbg_now_8dddb61fa4928554 = function() {
}, arguments) };
imports.wbg.__wbg_now_8dddb61fa4928554 = function() { return logError(function () {
const ret = Date.now();
return ret;
};
imports.wbg.__wbg_queueMicrotask_97d92b4fcc8a61c5 = function(arg0) {
}, arguments) };
imports.wbg.__wbg_queueMicrotask_97d92b4fcc8a61c5 = function() { return logError(function (arg0) {
queueMicrotask(arg0);
};
imports.wbg.__wbg_queueMicrotask_d3219def82552485 = function(arg0) {
}, arguments) };
imports.wbg.__wbg_queueMicrotask_d3219def82552485 = function() { return logError(function (arg0) {
const ret = arg0.queueMicrotask;
return ret;
};
imports.wbg.__wbg_random_57c118f142535bb6 = function() {
}, arguments) };
imports.wbg.__wbg_random_57c118f142535bb6 = function() { return logError(function () {
const ret = Math.random();
return ret;
};
imports.wbg.__wbg_resolve_4851785c9c5f573d = function(arg0) {
}, arguments) };
imports.wbg.__wbg_resolve_4851785c9c5f573d = function() { return logError(function (arg0) {
const ret = Promise.resolve(arg0);
return ret;
};
imports.wbg.__wbg_stack_0ed75d68575b0f3c = function(arg0, arg1) {
}, 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);
};
imports.wbg.__wbg_static_accessor_GLOBAL_88a902d13a557d07 = function() {
}, 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);
};
imports.wbg.__wbg_static_accessor_GLOBAL_THIS_56578be7e9f832b0 = function() {
}, arguments) };
imports.wbg.__wbg_static_accessor_GLOBAL_THIS_56578be7e9f832b0 = function() { return logError(function () {
const ret = typeof globalThis === 'undefined' ? null : globalThis;
return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
};
imports.wbg.__wbg_static_accessor_SELF_37c5d418e4bf5819 = function() {
}, arguments) };
imports.wbg.__wbg_static_accessor_SELF_37c5d418e4bf5819 = function() { return logError(function () {
const ret = typeof self === 'undefined' ? null : self;
return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
};
imports.wbg.__wbg_static_accessor_WINDOW_5de37043a91a9c40 = function() {
}, arguments) };
imports.wbg.__wbg_static_accessor_WINDOW_5de37043a91a9c40 = function() { return logError(function () {
const ret = typeof window === 'undefined' ? null : window;
return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
};
imports.wbg.__wbg_then_44b73946d2fb3e7d = function(arg0, arg1) {
}, arguments) };
imports.wbg.__wbg_then_44b73946d2fb3e7d = function() { return logError(function (arg0, arg1) {
const ret = arg0.then(arg1);
return ret;
};
imports.wbg.__wbg_then_48b406749878a531 = function(arg0, arg1, arg2) {
}, arguments) };
imports.wbg.__wbg_then_48b406749878a531 = function() { return logError(function (arg0, arg1, arg2) {
const ret = arg0.then(arg1, arg2);
return ret;
};
}, arguments) };
imports.wbg.__wbindgen_cb_drop = function(arg0) {
const obj = arg0.original;
if (obj.cnt-- == 1) {
@ -369,12 +400,13 @@ function __wbg_get_imports() {
return true;
}
const ret = false;
_assertBoolean(ret);
return ret;
};
imports.wbg.__wbindgen_closure_wrapper1041 = function(arg0, arg1, arg2) {
const ret = makeMutClosure(arg0, arg1, 339, __wbg_adapter_20);
imports.wbg.__wbindgen_closure_wrapper8090 = function() { return logError(function (arg0, arg1, arg2) {
const ret = makeMutClosure(arg0, arg1, 354, __wbg_adapter_20);
return ret;
};
}, arguments) };
imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
const ret = debugString(arg1);
const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
@ -394,10 +426,12 @@ function __wbg_get_imports() {
};
imports.wbg.__wbindgen_is_function = function(arg0) {
const ret = typeof(arg0) === 'function';
_assertBoolean(ret);
return ret;
};
imports.wbg.__wbindgen_is_undefined = function(arg0) {
const ret = arg0 === undefined;
_assertBoolean(ret);
return ret;
};
imports.wbg.__wbindgen_string_get = function(arg0, arg1) {

BIN
pkg/rudus_bg.wasm
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4
pkg/rudus_bg.wasm.d.ts vendored
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@ -9,6 +9,6 @@ export const __wbindgen_free: (a: number, b: number, c: number) => void;
export const __wbindgen_malloc: (a: number, b: number) => number;
export const __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
export const __wbindgen_export_6: WebAssembly.Table;
export const closure338_externref_shim: (a: number, b: number, c: any) => void;
export const closure351_externref_shim: (a: number, b: number, c: any, d: any) => void;
export const closure353_externref_shim: (a: number, b: number, c: any) => void;
export const closure376_externref_shim: (a: number, b: number, c: any, d: any) => void;
export const __wbindgen_start: () => void;