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fix(danmuku): [PKG-DANMUKU-10] bound dense heatmaps for issue 958

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Harvey Zhao committed 2026-09-13 21:20:37 +08:00
1 parent 053d211fb0
commit abc8008da7
18 files changed
+4841 -21
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docs/compiled/artplayer-plugin-danmuku.mjs
+13 -4
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@@ -1239,7 +1239,8 @@ function heatmapGeometry({ width, height, duration, queue, option, points: input
smoothing: 0.2,
flattening: 0.2
};
const options = Object.assign({}, defaults, typeof option === "object" ? option : {});
const configured = Object.assign({}, typeof option === "object" ? option : {});
const options = Object.assign({}, defaults, configured);
for (const key of Object.keys(defaults)) {
if (!Number.isFinite(options[key]))
options[key] = defaults[key];
@@ -1248,7 +1249,8 @@ function heatmapGeometry({ width, height, duration, queue, option, points: input
options.sampling = defaults.sampling;
if (options.xMin === options.xMax || options.yMin === options.yMax)
return null;
const points = Array.isArray(input) && input.length ? [...input] : sampleHeatmap(queue, width, duration, options.sampling);
const hasCustomPoints = Array.isArray(input) && input.length > 0;
const points = hasCustomPoints ? [...input] : sampleHeatmap(queue, width, duration, options.sampling);
if (!points.length || !points.every((point) => Array.isArray(point) && Number.isFinite(point[0]) && Number.isFinite(point[1]))) {
return null;
}
@@ -1269,14 +1271,21 @@ function heatmapGeometry({ width, height, duration, queue, option, points: input
const y = point[1];
point[1] = y * (y > yMid ? 1 + options.scale : 1 - options.scale) + options.minHeight;
}
const automatic = !hasCustomPoints && !Number.isFinite(configured.yMin) && !Number.isFinite(configured.yMax);
let peak = 0;
for (const point of points) peak = Math.max(peak, point[1]);
const fitted = automatic && peak > defaults.yMax / 4;
if (fitted)
options.yMax = peak * 4;
const boundY = (value) => fitted ? Math.min(height, Math.max(height * 0.75, value)) : value;
const controlPoint = (current, previous, next, reverse) => {
const geometry = line(previous || current, next || current);
const flat = map(Math.cos(geometry.angle) * options.flattening, 0, 1, 1, 0);
const angle = geometry.angle * flat + (reverse ? Math.PI : 0);
const length = geometry.length * options.smoothing;
return [current[0] + Math.cos(angle) * length, current[1] + Math.sin(angle) * length];
return [current[0] + Math.cos(angle) * length, boundY(current[1] + Math.sin(angle) * length)];
};
const positions = points.map((point) => [map(point[0], options.xMin, options.xMax, 0, width), map(point[1], options.yMin, options.yMax, height, 0)]);
const positions = points.map((point) => [map(point[0], options.xMin, options.xMax, 0, width), boundY(map(point[1], options.yMin, options.yMax, height, 0))]);
if (!positions.every((point) => point.every(Number.isFinite)))
return null;
const path = positions.map((point, index, all) => {