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sparse array implementation with reduced updates

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StempunkDev 2026-01-13 23:40:37 +01:00
parent 5600c06381
commit 21710bc426
3 changed files with 90 additions and 31 deletions
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60
public/modules/renderers/draw-ice.js
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@ -11,17 +11,73 @@ function drawIce() {
// Draw glaciers
pack.ice.glaciers.forEach((glacier, index) => {
html += `<polygon points="${glacier.points}" type="iceShield" data-index="${index}" ${glacier.offset ? `transform="translate(${glacier.offset[0]},${glacier.offset[1]})"` : ""} class="glacier"/>`;
html += getGlacierHtml(glacier, index);
});
// Draw icebergs
pack.ice.icebergs.forEach((iceberg, index) => {
html += `<polygon points="${iceberg.points}" cell="${iceberg.cellId}" size="${iceberg.size}" data-index="${index}" ${iceberg.offset ? `transform="translate(${iceberg.offset[0]},${iceberg.offset[1]})"` : ""} class="iceberg"/>`;
html += getIcebergHtml(iceberg, index);
});
ice.html(html);
TIME && console.timeEnd("drawIce");
function getGlacierHtml(glacier, index) {
return `<polygon points="${glacier.points}" type="iceShield" data-index="${index}" ${glacier.offset ? `transform="translate(${glacier.offset[0]},${glacier.offset[1]})"` : ""} class="glacier"/>`;
}
function getIcebergHtml(iceberg, index) {
return `<polygon points="${iceberg.points}" cell="${iceberg.cellId}" size="${iceberg.size}" data-index="${index}" ${iceberg.offset ? `transform="translate(${iceberg.offset[0]},${iceberg.offset[1]})"` : ""} class="iceberg"/>`;
}
}
function redrawIceberg(index) {
TIME && console.time("redrawIceberg");
const iceberg = pack.ice.icebergs[index];
let el = ice.selectAll(`.iceberg[data-index="${index}"]`);
if (!iceberg && !el.empty()) {
el.remove();
} else {
if (el.empty()) {
// Create new element if it doesn't exist
const polygon = getIcebergHtml(iceberg, index);
ice.node().insertAdjacentHTML("beforeend", polygon);
el = ice.selectAll(`.iceberg[data-index="${index}"]`);
}
el.attr("points", iceberg.points);
el.attr("size", iceberg.size);
el.attr("cell", iceberg.cellId);
el.attr("transform", iceberg.offset ? `translate(${iceberg.offset[0]},${iceberg.offset[1]})` : null);
}
TIME && console.timeEnd("redrawIceberg");
function getIcebergHtml(iceberg, index) {
return `<polygon points="${iceberg.points}" cell="${iceberg.cellId}" size="${iceberg.size}" data-index="${index}" ${iceberg.offset ? `transform="translate(${iceberg.offset[0]},${iceberg.offset[1]})"` : ""} class="iceberg"/>`;
}
}
function redrawGlacier(index) {
TIME && console.time("redrawGlacier");
const glacier = pack.ice.glaciers[index];
let el = ice.selectAll(`.glacier[data-index="${index}"]`);
if (!glacier && !el.empty()) {
el.remove();
} else {
if (el.empty()) {
// Create new element if it doesn't exist
const polygon = getGlacierHtml(glacier, index);
ice.node().insertAdjacentHTML("beforeend", polygon);
el = ice.selectAll(`.glacier[data-index="${index}"]`);
}
el.attr("points", glacier.points);
el.attr("transform", glacier.offset ? `translate(${glacier.offset[0]},${glacier.offset[1]})` : null);
}
TIME && console.timeEnd("redrawGlacier");
function getGlacierHtml(glacier, index) {
return `<polygon points="${glacier.points}" type="iceShield" data-index="${index}" ${glacier.offset ? `transform="translate(${glacier.offset[0]},${glacier.offset[1]})"` : ""} class="glacier"/>`;
}
}
// Re-render ice layer from data model