WXXR/miniprogram/assets/animation/gltf-animation.json

{
  "keyframe": {
    "directionalLight": {
      "0": {
        "rotation": [40, 170, 0]
      },
      "50": {
        "rotation": [30, 140, 0]
      },
      "100": {
        "rotation": [40, 170, 0]
      }
    },
    "pointLight": {
      "0": {
        "position": [10, 0, 0]
      },
      "100": {
        "position": [-10, 0, 0]
      }
    },
    "spotLight": {
      "0": {
        "rotation": [0,90,0]
      },
      "100": {
        "rotation": [0, 270, 4]
      }
    }
  },
  "animation": {
    "default": {
      "keyframe": "directionalLight",
      "duration": 60,
      "ease": "linear",
      "loop": 400000,
      "delay": 1,
      "direction": "both"
    },
    "pointLight": {
      "keyframe": "pointLight",
      "duration": 6,
      "ease": "linear",
      "loop": 400000,
      "delay": 1,
      "direction": "both"
    },
    "spotLight": {
      "keyframe": "spotLight",
      "duration": 200,
      "ease": "linear",
      "loop": 400000,
      "delay": 1,
      "direction": "both"
    }
  }
}