ModelAnimationLoop() Scene/ModelAnimationLoop.js 15 Determines if and how a glTF animation is looped. See: ModelAnimationCollection#add Members staticconstantCesium.ModelAnimationLoop.MIRRORED_REPEAT : Number Scene/ModelAnimationLoop.js 38 Loop the animation. First, playing it forward, then in reverse, then forward, and so on. staticconstantCesium.ModelAnimationLoop.NONE : Number Scene/ModelAnimationLoop.js 22 Play the animation once; do not loop it. staticconstantCesium.ModelAnimationLoop.REPEAT : Number Scene/ModelAnimationLoop.js 30 Loop the animation playing it from the start immediately after it stops.