IKs

Owned by 4A Games
Sept 29, 2022

Overview

This block does the same things as double (the animation that is supplied through main is blended with the one supplied via add, according to the parameters).

After the blend, this block additionally allows you to "restore" (resolve) the current IK Rules in specified IK Chains.
This is done so that after adding a delta (for example, a hit delta), legs remain on the surface and hands do not come off the weapon.

Inputs

inThe finished blend goes here.


Outputs

mainSource of animations that will be processed first.
addSource of animations to be added to the main.


Properties

Blender
Synch Type

Motion Sync Type:

  • keep phase – synchronizes motion lengths.
  • keep speed – synchronizes motion speeds irrespective of any other parameter.
  • match events – synchronizes using Blender/Events events, i.e. the corresponding events will occur at the same frame in both motions but the time between the events will be stretched as necessary.
  • proportional_inv – blends motions inversely proportionally, that is, the first motion starts from the beginning, while the second starts from the end: new_time = target_total_time * (1.f - cur_progress).
EventsEvents for match events.
Add modeIf enabled, ADD MODE works according to the scheme. The delta multiplied by w1 is added to the data supplied via main. This works for cases where both main and add contain deltas.
Weight Mode

constant – w1 = 1.

param – w1 value is based on the corresponding parameter (additional fields appear in the properties, key0 = 0, key1 = 1).

replace – the weight returned by the blocks connected via add.

gesture – is calculated using the following formula.

if (looped)
	weight			= 1.f;
else if (progress <= 0.25f)
	weight			= (4.f * progress);
else if (0.25f < progress && progress <= 0.75f)
	weight			= 1.f;
else
	weight			= (-4.f * progress + 4.f);

Looped and progress – are extracted from add. Then the weight is interpolated with the previous value.

IK Locks

Pos Weight

The weight of positions to which the IK Rules pull in the specified chain.

Quat Weight

The weight of bone rotations according to the IK Rules in the specified chain.

IK Chain

IK chain name (see IK Chains window).
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