XR8.runPreRender()

XR8.runPreRender( timestamp )

Description

Executes all lifecycle updates that should happen before rendering.

IMPORTANT: Make sure that onStart has been called before calling XR8.runPreRender() / XR8.runPostRender().

Parameters

Parameter	Type	Description
timestamp	Number	The current time, in milliseconds.

Returns

None

Example

// Implement A-Frame components tick() method
function tick() {
  // Check device compatibility and run any necessary view geometry updates and draw the camera feed.
  ...
  // Run XR lifecycle methods
  XR8.runPreRender(Date.now())
  }