An example animation file

gistfile1.json

{
  "texture": "Link.png",
  "size": {
    "width": 32,
    "height": 48
  },
  "animations": {
    "idle-down": {
      "loop": true,
      "frames": [
        {
          "length": 1,
          "x": 0,
          "y": 0
        }
      ]
    },
    "idle-right": {
      "loop": true,
      "frames": [
        {
          "length": 1,
          "x": 0,
          "y": 1
        }
      ]
    },
    "idle-up": {
      "loop": true,
      "frames": [
        {
          "length": 1,
          "x": 0,
          "y": 2
        }
      ]
    },
    "idle-left": {
      "loop": true,
      "frames": [
        {
          "length": 1,
          "x": 0,
          "y": 3
        }
      ]
    },
    "moving-down": {
      "loop": true,
      "frameLength": 0.07,
      "frames": [
        {
          "x": 0,
          "y": 0
        },
        {
          "x": 1,
          "y": 0
        },
        {
          "x": 2,
          "y": 0
        },
        {
          "x": 3,
          "y": 0
        },
        {
          "x": 4,
          "y": 0
        },
        {
          "x": 5,
          "y": 0
        },
        {
          "x": 6,
          "y": 0
        },
        {
          "x": 7,
          "y": 0
        }
      ]
    },
    "moving-right": {
      "loop": true,
      "frameLength": 0.07,
      "frames": [
        {
          "x": 0,
          "y": 1
        },
        {
          "x": 1,
          "y": 1
        },
        {
          "x": 2,
          "y": 1
        },
        {
          "x": 3,
          "y": 1
        },
        {
          "x": 4,
          "y": 1
        },
        {
          "x": 5,
          "y": 1
        },
        {
          "x": 6,
          "y": 1
        },
        {
          "x": 7,
          "y": 1
        }
      ]
    },
    "moving-up": {
      "loop": true,
      "frameLength": 0.07,
      "frames": [
        {
          "x": 0,
          "y": 2
        },
        {
          "x": 1,
          "y": 2
        },
        {
          "x": 2,
          "y": 2
        },
        {
          "x": 3,
          "y": 2
        },
        {
          "x": 4,
          "y": 2
        },
        {
          "x": 5,
          "y": 2
        },
        {
          "x": 6,
          "y": 2
        },
        {
          "x": 7,
          "y": 2
        }
      ]
    },
    "moving-left": {
      "loop": true,
      "frameLength": 0.07,
      "frames": [
        {
          "x": 0,
          "y": 3
        },
        {
          "x": 1,
          "y": 3
        },
        {
          "x": 2,
          "y": 3
        },
        {
          "x": 3,
          "y": 3
        },
        {
          "x": 4,
          "y": 3
        },
        {
          "x": 5,
          "y": 3
        },
        {
          "x": 6,
          "y": 3
        },
        {
          "x": 7,
          "y": 3
        }
      ]
    }
  }
}