Freezes time at a specific timestamp for deterministic rendering.
Useful for frame-by-frame video capture where each frame needs
a consistent time value.
Parameters
timestamp: number
Time in milliseconds to freeze at
Returns void
Example
// Freeze time for video export at 60fps
setNow(0); // First frame
// ... render frame ...
setNow(16.67); // Second frame
// ... render frame ...
setNow(33.34); // Third frame
// ... done ...
restoreNow(); // Resume normal time
Freezes time at a specific timestamp for deterministic rendering. Useful for frame-by-frame video capture where each frame needs a consistent time value.