GPU Pro 5

2. glTF: Designing an Open-Standard Runtime Asset Format 385

The channel’s target object contains the ID of a node in the glTF node hi-

erarchy. The property to be animated is represented via a path,astringthat

contains a value such as

translation, rotation,orscale. It is up to the runtime

engine to map these standardized names to its own properties. For example, the

Three.js viewer maps

translation to position, the internal name for translation

of a 3D object in the Three.js scene graph.

The sampler’s input and output data are supplied by referencing parameters.

Parameters are named objects defined in the animation’s

parameters property.

The scope for