Ampandheaust
0e44917f9e
Amp-Thread-ID: https://ampcode.com/threads/T-01a01380-b478-77d0-84a0-102880a5c5ae Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
15 lines
448 B
JavaScript
15 lines
448 B
JavaScript
/** Allocate one SIMD-aligned velocity row for every live instance slot. */
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export function createVelocityColumn(core) {
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return core.allocateArray({
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name: "instance.velocity",
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domain: "instance",
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scalar: "f32",
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lanes: 4,
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});
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}
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/** Mutate an existing row directly; no renderer command message is emitted. */
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export function setVelocity(column, instance, xyz) {
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column.write(instance.handle[0], [xyz[0], xyz[1], xyz[2], 0]);
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}
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