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feat: define moving source trajectories

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2026-08-28 15:48:16 +09:00
parent b678d1f9c7
commit a7befa0270
6 changed files with 253 additions and 10 deletions
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packages/contracts/validation.js
+31 -10
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@@ -232,6 +232,22 @@ function validateSceneRelationships(value) {
if (requireString(source.id, `${path}.id`, issues)) sourceIds.push(source.id);
requireString(source.name, `${path}.name`, issues);
requirePosition(source.position, `${path}.position`, issues);
if (Array.isArray(source.trajectory)) {
let previousTime = -Infinity;
source.trajectory.forEach((keyframe, keyframeIndex) => {
const keyframePath = `${path}.trajectory[${keyframeIndex}]`;
if (!requireRecord(keyframe, keyframePath, issues)) return;
const timeValid = requireFinite(keyframe.time, `${keyframePath}.time`, issues, {
min: 0,
max: sceneDurationValid ? value.duration : 300,
});
requirePosition(keyframe.position, `${keyframePath}.position`, issues);
if (timeValid && keyframe.time <= previousTime) {
addIssue(issues, `${keyframePath}.time`, "trajectory time은 앞 keyframe보다 커야 합니다.");
}
if (timeValid) previousTime = keyframe.time;
});
}
requireFinite(source.gainDb, `${path}.gainDb`, issues, { min: -120, max: 24 });
const startValid = requireFinite(source.startTime, `${path}.startTime`, issues, { min: 0 });
const durationValid = requireFinite(source.duration, `${path}.duration`, issues, {
@@ -336,16 +352,21 @@ function validateExperimentRelationships(value, context = {}) {
const sampleCount = Math.ceil(context.scene.duration * context.scene.sampleRate);
let maximumDelaySamples = 0;
for (const source of context.scene.sources) {
for (const microphone of context.arrayDefinition.microphones) {
const distance = Math.hypot(
source.position[0] - microphone.position[0],
source.position[1] - microphone.position[1],
source.position[2] - microphone.position[2],
);
maximumDelaySamples = Math.max(
maximumDelaySamples,
(distance / context.scene.speedOfSound) * context.scene.sampleRate,
);
const sourcePositions = Array.isArray(source.trajectory)
? source.trajectory.map((keyframe) => keyframe.position)
: [source.position];
for (const sourcePosition of sourcePositions) {
for (const microphone of context.arrayDefinition.microphones) {
const distance = Math.hypot(
sourcePosition[0] - microphone.position[0],
sourcePosition[1] - microphone.position[1],
sourcePosition[2] - microphone.position[2],
);
maximumDelaySamples = Math.max(
maximumDelaySamples,
(distance / context.scene.speedOfSound) * context.scene.sampleRate,
);
}
}
}
let delayFftSize = 1;