WASM: UI update

maxpoletaev · maxpoletaev · commit c75d8736074a · 2025-01-11T23:50:19.000+03:00
diff --git a/web/audio.js b/web/audio.js
@@ -7,7 +7,7 @@ class AudioProcessor extends AudioWorkletProcessor {
 
     this.port.onmessage = (e) => {
       this.buffers.push(e.data);
-      if (this.buffers.length > 3) {
+      if (this.buffers.length > 2) {
         this.buffers.shift();
       }
     };
@@ -22,17 +22,13 @@ class AudioProcessor extends AudioWorkletProcessor {
       this.position = 0;
 
       if (!this.current) {
-        for (let i = 0; i < channel.length; i++) {
-          channel[i] = 0;
-        }
+        channel.fill(0);
         return true;
       }
     }
 
-    for (let i = 0; i < channel.length; i++) {
-      channel[i] = this.current[this.position++];
-    }
-
+    channel.set(this.current.subarray(this.position, this.position + channel.length));
+    this.position += channel.length;
     return true;
   }
 }
diff --git a/web/index.html b/web/index.html
@@ -44,7 +44,7 @@
           <div class="controls__center">
             <div class="center-buttons">
               <div class="center-buttons__button -select" id="button-select">
-                <div class="center-buttons__label">RShift</div>
+                <div class="center-buttons__label">Shift</div>
               </div>
               <div class="center-buttons__button -start" id="button-start">
                 <div class="center-buttons__label">Enter</div>
diff --git a/web/main.js b/web/main.js
@@ -80,6 +80,7 @@ Promise.all([wasmReady, documentReady]).then(async () => {
     "KeyD": BUTTON_RIGHT,
     "Enter": BUTTON_START,
     "ShiftRight": BUTTON_SELECT,
+    "LeftShift": BUTTON_SELECT,
     "KeyJ": BUTTON_B,
     "KeyK": BUTTON_A,
   };
@@ -112,11 +113,11 @@ Promise.all([wasmReady, documentReady]).then(async () => {
   };
 
   for (let [id, mask] of Object.entries(elementKeyMap)) {
-    let element = document.getElementById(id);
-    element.addEventListener("mousedown", () => { buttonsPressed |= mask; });
-    element.addEventListener("touchstart", () => { buttonsPressed |= mask; });
-    element.addEventListener("mouseup", () => { buttonsPressed &= ~mask; });
-    element.addEventListener("touchend", () => { buttonsPressed &= ~mask; });
+    let el = document.getElementById(id);
+    el.addEventListener("mousedown", () => { buttonsPressed |= mask; });
+    el.addEventListener("touchstart", () => { buttonsPressed |= mask; });
+    el.addEventListener("mouseup", () => { buttonsPressed &= ~mask; });
+    el.addEventListener("touchend", () => { buttonsPressed &= ~mask; });
   }
 
   // ========================
@@ -147,14 +148,14 @@ Promise.all([wasmReady, documentReady]).then(async () => {
     });
   }
 
-  document.addEventListener('dragover', (e) => {
+  document.addEventListener("dragover", (e) => {
     e.preventDefault();
   });
 
-  document.addEventListener('drop', (e) => {
+  document.addEventListener("drop", (e) => {
     e.preventDefault();
     fileInput.files = e.dataTransfer.files;
-    fileInput.dispatchEvent(new Event('input'));
+    fileInput.dispatchEvent(new Event("input"));
   });
 
   // ========================
@@ -182,7 +183,7 @@ Promise.all([wasmReady, documentReady]).then(async () => {
 
       let audioBufPtr = go.GetAudioBufferPtr();
       let audioBuf = new Float32Array(getMemoryBuffer(), audioBufPtr, go.AudioBufferSize);
-      audioNode.port.postMessage(audioBuf.slice());
+      audioNode.port.postMessage(audioBuf.slice()); // TODO: avoid copy
     }
   }
 
diff --git a/web/style.css b/web/style.css
@@ -2,19 +2,22 @@ body {
   margin: 0;
   padding: 10px;
   min-height: 100vh;
-  background-color: #49414b;
   color: #2d3748;
   display: flex;
   justify-content: center;
   align-items: center;
   box-sizing: border-box;
   font-family: ui-sans-serif, system-ui, sans-serif;
+  /* https://heropatterns.com */
+  background-color: #49414b;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 304 304' width='304' height='304'%3E%3Cpath fill='%23635d6d' fill-opacity='0.41' d='M44.1 224a5 5 0 1 1 0 2H0v-2h44.1zm160 48a5 5 0 1 1 0 2H82v-2h122.1zm57.8-46a5 5 0 1 1 0-2H304v2h-42.1zm0 16a5 5 0 1 1 0-2H304v2h-42.1zm6.2-114a5 5 0 1 1 0 2h-86.2a5 5 0 1 1 0-2h86.2zm-256-48a5 5 0 1 1 0 2H0v-2h12.1zm185.8 34a5 5 0 1 1 0-2h86.2a5 5 0 1 1 0 2h-86.2zM258 12.1a5 5 0 1 1-2 0V0h2v12.1zm-64 208a5 5 0 1 1-2 0v-54.2a5 5 0 1 1 2 0v54.2zm48-198.2V80h62v2h-64V21.9a5 5 0 1 1 2 0zm16 16V64h46v2h-48V37.9a5 5 0 1 1 2 0zm-128 96V208h16v12.1a5 5 0 1 1-2 0V210h-16v-76.1a5 5 0 1 1 2 0zm-5.9-21.9a5 5 0 1 1 0 2H114v48H85.9a5 5 0 1 1 0-2H112v-48h12.1zm-6.2 130a5 5 0 1 1 0-2H176v-74.1a5 5 0 1 1 2 0V242h-60.1zm-16-64a5 5 0 1 1 0-2H114v48h10.1a5 5 0 1 1 0 2H112v-48h-10.1zM66 284.1a5 5 0 1 1-2 0V274H50v30h-2v-32h18v12.1zM236.1 176a5 5 0 1 1 0 2H226v94h48v32h-2v-30h-48v-98h12.1zm25.8-30a5 5 0 1 1 0-2H274v44.1a5 5 0 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0 0 0-5.66 0h-2.07a5 5 0 0 1 9.8 0zM5.9 0A5.02 5.02 0 0 1 0 5.9V3.83A3 3 0 0 0 3.83 0H5.9zm294.2 0h2.07A3 3 0 0 0 304 3.83V5.9a5 5 0 0 1-3.9-5.9zm3.9 300.1v2.07a3 3 0 0 0-1.83 1.83h-2.07a5 5 0 0 1 3.9-3.9zM97 100a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-48 32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 48a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-64a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 96a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-144a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-96 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm96 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-64a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-32 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM49 36a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-32 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM33 68a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-48a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 240a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-64a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm80-176a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 48a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm112 176a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM17 180a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM17 84a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 64a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6z'%3E%3C/path%3E%3C/svg%3E");
 }
 
 .console {
   border-radius: 12px;
   background: #cacaca;
   overflow: hidden;
+  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
 }
 
 .console__screen {
@@ -269,6 +272,11 @@ body {
   font-size: 0.9em;
 }
 
+.source-link,
 .source-link a {
   color: #a9a9a9;
 }
+
+.source-link a:hover {
+  color: #ffffff;
+}

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@ class AudioProcessor extends AudioWorkletProcessor {`
`7`	`7`
`8`	`8`	`this.port.onmessage = (e) => {`
`9`	`9`	`this.buffers.push(e.data);`
`10`		`- if (this.buffers.length > 3) {`
	`10`	`+ if (this.buffers.length > 2) {`
`11`	`11`	`this.buffers.shift();`
`12`	`12`	`}`
`13`	`13`	`};`
`@@ -22,17 +22,13 @@ class AudioProcessor extends AudioWorkletProcessor {`
`22`	`22`	`this.position = 0;`
`23`	`23`
`24`	`24`	`if (!this.current) {`
`25`		`- for (let i = 0; i < channel.length; i++) {`
`26`		`- channel[i] = 0;`
`27`		`- }`
	`25`	`+ channel.fill(0);`
`28`	`26`	`return true;`
`29`	`27`	`}`
`30`	`28`	`}`
`31`	`29`
`32`		`- for (let i = 0; i < channel.length; i++) {`
`33`		`- channel[i] = this.current[this.position++];`
`34`		`- }`
`35`		`-`
	`30`	`+ channel.set(this.current.subarray(this.position, this.position + channel.length));`
	`31`	`+ this.position += channel.length;`
`36`	`32`	`return true;`
`37`	`33`	`}`
`38`	`34`	`}`