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Deliver leaderboard data efficiently

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This commit is contained in:
toast-ts 2024-03-02 23:15:38 +11:00
parent e4c92f732e
commit 584ffc1d6a
1 changed files with 9 additions and 8 deletions
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17
src/components/CanvasBuilder.ts
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@ -20,11 +20,11 @@ export default class CanvasBuilder {
// Handle negative
for (const [i, change] of data.entries()) if (change < 0) data[i] = data[i - 1] || data[i + 1] || 0;
const LBdataFirst = Math.ceil(Math.max(...data) * 10 ** (-Math.max(...data).toString().split('').length + 2)) * 10 ** (Math.max(...data).toString().split('').length - 2)
const LBdataSecond = Math.ceil(Math.max(...data) * 10 ** (-Math.max(...data).toString().split('').length + 3)) * 10 ** (Math.max(...data).toString().split('').length - 3)
const LB_MAX_VAL = Math.max(...data);
const LB_SCALE_UP = Math.pow(10, -Math.floor(Math.log10(LB_MAX_VAL)));
const LB_SCALED_DATA = Math.ceil(LB_MAX_VAL*LB_SCALE_UP) / LB_SCALE_UP;
const firstTop = type === 'leaderboard' ? LBdataFirst : 16;
const secondTop = type === 'leaderboard' ? LBdataSecond : 16;
const top = type === 'leaderboard' ? LB_SCALED_DATA : 16;
const textSize = 40;
const origin = [15, 65];
const size = [1300, 630];
@ -37,7 +37,7 @@ export default class CanvasBuilder {
const intervalCandidates:[number, number, number][] = [];
for (let i = 4; i < 10; i++) {
const interval = firstTop / i;
const interval = top / i;
if (Number.isInteger(interval)) intervalCandidates.push([interval, i, i * Math.max(interval.toString().split('').filter(x=>x === '0').length / interval.toString().length, 0.3) * (['1', '2', '4', '5', '6', '8'].includes(interval.toString()[0]) ? 1.5 : 0.67)]);
}
const chosenInterval = intervalCandidates.sort((a,b)=>b[2]-a[2])[0];
@ -45,7 +45,7 @@ export default class CanvasBuilder {
this.ctx.strokeStyle = this.palette.oddHorizontal;
for (let i = 0; i <= chosenInterval[1]; i++) {
const y = origin[1] + size[1] - (i * (chosenInterval[0] / secondTop) * size[1]);
const y = origin[1] + size[1] - (i * (chosenInterval[0] / top) * size[1]);
if (y < origin[1]) continue;
const even = ((i + 1) % 2) === 0;
if (even) this.ctx.strokeStyle = this.palette.evenHorizontal;
@ -82,7 +82,7 @@ export default class CanvasBuilder {
for (let [i, currentValue] of data.entries()) {
if (currentValue < 0) currentValue = 0;
const X = i * nodeWidth + origin[0];
const Y = ((1 - (currentValue / secondTop)) * size[1]) + origin[1];
const Y = ((1 - (currentValue / top)) * size[1]) + origin[1];
const nextValue = data[i + 1];
const previousValue = data[i - 1];
this.ctx.strokeStyle = type === 'players' ? gradient : null;
@ -103,7 +103,7 @@ export default class CanvasBuilder {
this.ctx.closePath();
if (currentValue !== previousValue || currentValue !== nextValue) {
// Ball. What else?
// Balls. What else? I mean.. I'm not that creative, I'm just a comment not a funny comedian.
this.ctx.fillStyle = type === 'players' ? gradient : null;
this.ctx.beginPath();
this.ctx.arc(X, Y, this.ctx.lineWidth * 1.2, 0, 2 * Math.PI);
@ -131,6 +131,7 @@ export default class CanvasBuilder {
// Time
this.ctx.fillText('time ->', origin[0] + (textSize / 2), origin[1] + size[1] + (textSize));
// 100degree the fuck back to sender.
return this.canvas;
}
}