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Fixed Timestep Interpolation (3D)

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Adds fixed timestep interpolation to the visual server.
Switchable on and off with project setting.

This version does not add new API for set_transform etc, when nodes have the interpolated flag set they will always use interpolation.
This commit is contained in:
lawnjelly
2021-09-15 12:30:45 +01:00
parent 9cb169504a
commit 522bce1159
41 changed files with 2490 additions and 390 deletions
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11
main/main_timer_sync.cpp
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@@ -291,6 +291,17 @@ int64_t MainTimerSync::DeltaSmoother::smooth_delta(int64_t p_delta) {
// before advance_core considers changing the physics_steps return from
// the typical values as defined by typical_physics_steps
float MainTimerSync::get_physics_jitter_fix() {
// Turn off jitter fix when using fixed timestep interpolation
// Note this shouldn't be on UNTIL 2d interpolation is implemented,
// otherwise we will get people making 2d games with the physics_interpolation
// set to on getting jitter fix disabled unexpectedly.
#if 0
if (Engine::get_singleton()->is_physics_interpolation_enabled()) {
// would be better to write a simple bypass for jitter fix but this will do to get started
return 0.0;
}
#endif
return Engine::get_singleton()->get_physics_jitter_fix();
}