lingo3d/lib/systems/spriteSheetPlaySystem.js

Lingo3D is a React/Vue 3d game development framework that ships with a complete visual editor

import createInternalSystem from "./utils/createInternalSystem";
export const spriteSheetPlaybackSystem = createInternalSystem("spriteSheetPlaybackSystem", {
    data: {},
    update: (material, data) => {
        material.map.offset.set(data.x / data.columns, data.y / data.rows);
        if (++data.x === data.columns) {
            data.x = 0;
            --data.y;
        }
        if (++data.frame < data.length)
            return;
        data.frame = 0;
        data.x = 0;
        data.y = data.rows - 1;
        !data.loop && spriteSheetPlaybackSystem.delete(material);
    }
});
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