20 lines
1 KiB
JavaScript
20 lines
1 KiB
JavaScript
"use strict";
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// Layer: shared-runtime/motion
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// Shared deterministic panic wander used by burning creatures.
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(function (global) {
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function updateBurnWanderAngle(entity, dt, opts = {}) {
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const worldRef = entity?.world || null;
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entity.burnTurnTimer = Math.max(0, Number(entity.burnTurnTimer || 0) - dt);
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if (entity.burnTurnTimer <= 0) {
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const bucket = Math.floor((worldRef?.time || 0) * (opts.bucketScale || 5));
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entity.burnWanderAngle = deterministicAngle(worldRef, opts.angleKey || "burn-angle", entity, bucket);
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entity.burnTurnTimer = deterministicRange(worldRef, opts.turnKey || "burn-turn", opts.turnMin ?? 0.10, opts.turnMax ?? 0.34, entity);
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} else {
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entity.burnWanderAngle += deterministicRange(worldRef, opts.jitterKey || "burn-jitter", opts.jitterMin ?? -8.0, opts.jitterMax ?? 8.0, entity) * dt;
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}
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return entity.burnWanderAngle || 0;
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}
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global.TarinaiBurnMotionUtil = Object.freeze({ updateBurnWanderAngle });
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})(typeof window !== "undefined" ? window : globalThis);
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