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<script>
import { onMount } from "svelte";
import { authorizedSocket, authorizedSocketNeeded } from "../../stores/socketStore";
authorizedSocketNeeded.set(true);
let pixels = [];
let strip_buffer = [];
let gridTemplateColumns = "1fr";
let gridTemplateRows = "1fr";
function updateMatrix(matrix) {
if (matrix == null) { return; }
pixels = [];
let columnN = 0;
for (let y = 0; y < matrix.length; y++) {
if (matrix[y].length > columnN) {
columnN = matrix[y].length;
}
}
for (let y = 0; y < matrix.length; y++) {
for (let x = 0; x < matrix[y].length; x++) {
pixels.push(matrix[y][x]);
}
for (let x = 0; x < (columnN - matrix[y].length); x++) {
pixels.push(-1);
}
}
gridTemplateColumns = `repeat(${columnN}, 1fr)`;
gridTemplateRows = `repeat(${matrix.length}, 1fr)`;
pixels = pixels;
}
async function updateColors(colors) {
for (let i = 0; i+2 < colors.length; i+=3) {
try {
document.querySelector("#sim-pixel-"+(i/3)).style.setProperty("--color", `rgb(${colors[i]}, ${colors[i+1]}, ${colors[i+2]})`);
} catch(e) {}
}
}
authorizedSocket.on("matrix", updateMatrix);
authorizedSocket.on("strip_buffer", updateColors);
onMount(() => {
authorizedSocket.emit("matrix:get");
});
</script>
<style>
.matrix {
display: grid;
width: 100%;
gap: 10px 10px;
}
.pixel {
display: inline-block;
width: 100%;
height: 5px;
background-color: var(--color);
box-shadow: 0 0 10px var(--color);
}
p {
margin: 0;
margin-bottom: 5px;
font-size: 10px;
color: var(--grey-500);
}
</style>
<p>(still quite buggy, especially for very fast changing pixels, if nothing is happening, try to restart the script)</p>
<div class="matrix" style="grid-template-columns: {gridTemplateColumns}; grid-template-rows: {gridTemplateRows};">
{#each pixels as pixel}
{#if pixel > -1}
<div id="sim-pixel-{pixel}" style="--color:rgb(255, 255, 255)" class="pixel"></div>
{:else}
<div style="--color:none" class="pixel"></div>
{/if}
{/each}
</div>
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