const mockNow = function()

in src/helper/timeline.ts [172:182]


const mockNow = function () {
    // // Use same time in one frame.
    // var realFrameTime = NativeDate.now();
    // // Split frame. Add 8ms offset on the second half
    // // Avoid infinite loop when some logic determine whether to break the loop based on the execution time.
    // // For example https://github.com/apache/echarts/blob/737e23c0054e6b501ecc6f562920cffae953b5c6/src/core/echarts.ts#L537
    // var frameDeltaTime = realFrameTime - realFrameStartTime;
    var frameDeltaTime = 0;
    // Use same time in one frame.
    return TIMELINE_START + (timelineTime + frameDeltaTime) * window.__VRT_PLAYBACK_SPEED__;
};