Function sampleAnimation

scripts/test-animation-times.mjs:118–138

(clip, time, nodes)

}

function sampleAnimation(clip, time, nodes) {
    const nodeTransforms = new Map();
    for (const channel of clip.channels) {
        const sampler = clip.samplers[channel.samplerIndex];
        if (!sampler) continue;

        const nodeIndex = channel.target.nodeIndex;
        const path = channel.target.path;
        const value = sampleSampler(sampler, time, path);
        if (!value) continue;

        if (!nodeTransforms.has(nodeIndex)) {
            nodeTransforms.set(nodeIndex, {});
        }
        const t = nodeTransforms.get(nodeIndex);
        if (path === 'translation') t.position = value;
        else if (path === 'rotation') t.rotation = value;
        else if (path === 'scale') t.scale = value;
    }
    return nodeTransforms;
}

function calculateBoneMatrices(skeleton, nodes, animTransforms) {
    const { joints } = skeleton;