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snake: 手动触发 main 函数

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chai2010
2023-11-26 04:31:22 +08:00
parent 53fc0e9bc7
commit fa1358aac9
3 changed files with 35 additions and 36 deletions
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35
docs/snake/wa_app.js
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@@ -2,33 +2,31 @@
class WaApp {
constructor() {
this._inst = null;
this._wa_print_buf = "";
}
init(url) {
let app = this;
let importsObject = {
syscall_js: new function () {
this.print_bool = (b) => { this._wa_print_buf += Boolean(b).toString(); },
this.print_u32 = (i) => { this._wa_print_buf += u; },
this.print_i32 = (i) => { this._wa_print_buf += i },
this.print_u64 = (i) => { this._wa_print_buf += i },
this.print_u64 = (i) => { this._wa_print_buf += i },
this.print_i64 = (i) => { this._wa_print_buf += i },
this.print_f32 = (f) => { this._wa_print_buf += f },
this.print_f64 = (f) => { this._wa_print_buf += f },
this.print_ptr = (p) => { this._wa_print_buf += p },
this.print_str = (addr, len) => { this._wa_print_buf += this._mem_util.get_string(addr, len);},
this.print_bool = (b) => { console.log(b) },
this.print_u32 = (i) => { console.log(i) },
this.print_i32 = (i) => { console.log(i) },
this.print_u64 = (i) => { console.log(i) },
this.print_u64 = (i) => { console.log(i) },
this.print_i64 = (i) => { console.log(i) },
this.print_f32 = (f) => { console.log(f) },
this.print_f64 = (f) => { console.log(f) },
this.print_ptr = (p) => { console.log(p) },
this.print_str = (d, l) => {
const mem = app._inst.exports.memory;
const mem_view = new DataView(mem.buffer, d, l);
const s = new TextDecoder("utf-8").decode(mem_view);
console.log(s);
}
this.proc_exit = (code) => { alert(code) },
this.print_rune = (c) => {
let ch = String.fromCodePoint(c);
if (ch == "\n") {
console.log(this._wa_print_buf);
this._wa_print_buf = "";
}
else {
this._wa_print_buf += ch;
}
console.log(ch)
}
},
snake_game: new function () {
@@ -104,6 +102,7 @@
WebAssembly.instantiateStreaming(fetch(url), importsObject).then(res => {
this._inst = res.instance;
this._inst.exports._start();
this._inst.exports['snake.main']();
const timer = setInterval(gameLoop, 150);
})
}