OpenSpace/data/assets/examples/animation.asset

local sun = asset.require("scene/solarsystem/sun/sun")
local transforms = asset.require("scene/solarsystem/planets/earth/transforms")

local model = asset.syncedResource({
  Name = "Animated Box",
  Type = "HttpSynchronization",
  Identifier = "animated_box",
  Version = 1
})

local StartTime = "2021 06 01 00:00:00";

local animationLoop = {
  Identifier = "animationLoop",
  Parent = transforms.EarthCenter.Identifier,
  Transform = {
    Translation = {
      Type = "StaticTranslation",
      Position = { 0.0, -11E7, 0.0 }
    }
  },
  Renderable = {
    Type = "RenderableModel",
    GeometryFile = model .. "BoxAnimated.glb",
    EnableAnimation = true,
    AnimationMode = "LoopFromStart",
    AnimationStartTime = StartTime,
    ModelScale = 3E7,
    LightSources = {
      sun.LightSource
    }
  },
  GUI = {
    Name = "Animated Model example (LoopFromStart)",
    Path = "/Example",
    Description = "Simple animated box model with the animation mode 'LoopFromStart'",
  }
}

local animationLoopInf = {
  Identifier = "animationLoopInf",
  Parent = transforms.EarthCenter.Identifier,
  Transform = {
    Translation = {
      Type = "StaticTranslation",
      Position = { 0.0, 11E7, 0.0 }
    }
  },
  Renderable = {
    Type = "RenderableModel",
    GeometryFile = model .. "BoxAnimated.glb",
    EnableAnimation = true,
    AnimationMode = "LoopInfinitely",
    AnimationStartTime = StartTime,
    ModelScale = 3E7,
    LightSources = {
      sun.LightSource
    }
  },
  GUI = {
    Name = "Animated Model example (LoopInfinitely)",
    Path = "/Example",
    Description = "Simple animated box model with the animation mode 'LoopInfinitely'",
  }
}

local animationOnce = {
  Identifier = "animationOnce",
  Parent = transforms.EarthCenter.Identifier,
  Transform = {
    Translation = {
      Type = "StaticTranslation",
      Position = { 11E7, 0.0, 0.0 }
    }
  },
  Renderable = {
    Type = "RenderableModel",
    GeometryFile = model .. "BoxAnimated.glb",
    EnableAnimation = true,
    AnimationMode = "Once",
    AnimationStartTime = StartTime,
    ModelScale = 3E7,
    LightSources = {
      sun.LightSource
    }
  },
  GUI = {
    Name = "Animated Model example (Once)",
    Path = "/Example",
    Description = "Simple animated box model with the animation mode 'Once'",
  }
}

local animationBounceInf = {
  Identifier = "animationBounceInf",
  Parent = transforms.EarthCenter.Identifier,
  Transform = {
    Translation = {
      Type = "StaticTranslation",
      Position = { 0.0, 0.0, 11E7 }
    }
  },
  Renderable = {
    Type = "RenderableModel",
    GeometryFile = model .. "BoxAnimated.glb",
    EnableAnimation = true,
    AnimationMode = "BounceInfinitely",
    AnimationStartTime = StartTime,
    ModelScale = 3E7,
    LightSources = {
      sun.LightSource
    }
  },
  GUI = {
    Name = "Animated Model example (BounceInfinitely)",
    Path = "/Example",
    Description = "Simple animated box model with the animation mode 'BounceInfinitely'",
  }
}

local animationBounce = {
  Identifier = "animationBounce",
  Parent = transforms.EarthCenter.Identifier,
  Transform = {
    Translation = {
      Type = "StaticTranslation",
      Position = { 0.0, 0.0, -11E7 }
    }
  },
  Renderable = {
    Type = "RenderableModel",
    GeometryFile = model .. "BoxAnimated.glb",
    EnableAnimation = true,
    AnimationMode = "BounceFromStart",
    AnimationStartTime = StartTime,
    ModelScale = 3E7,
    LightSources = {
      sun.LightSource
    }
  },
  GUI = {
    Name = "Animated Model example (BounceFromStart)",
    Path = "/Example",
    Description = "Simple animated box model with the animation mode 'BounceFromStart'",
  }
}

asset.onInitialize(function()
  openspace.addSceneGraphNode(animationLoop)
  openspace.addSceneGraphNode(animationLoopInf)
  openspace.addSceneGraphNode(animationOnce)
  openspace.addSceneGraphNode(animationBounceInf)
  openspace.addSceneGraphNode(animationBounce)
end)

asset.onDeinitialize(function()
  openspace.removeSceneGraphNode(animationBounce)
  openspace.removeSceneGraphNode(animationBounceInf)
  openspace.removeSceneGraphNode(animationOnce)
  openspace.removeSceneGraphNode(animationLoopInf)
  openspace.removeSceneGraphNode(animationLoop)
end)


asset.export(animationLoop)
asset.export(animationLoopInf)
asset.export(animationOnce)
asset.export(animationBounceInf)
asset.export(animationBounce)

-- Asset
asset.meta = {
  Name = "Animation Example asset",
  Version = "1.0",
  Description = "Simple animation example asset with an animated box model",
  Author = "OpenSpace Team",
  URL = "http://openspaceproject.com",
  License = "MIT license"
}

-- Model
-- @TODO: At the moment, this overwrites the previous meta description. Probably needs a way to specify multiple meta's per file?
asset.meta = {
  Name = "Animated Box Model",
  Version = "1.0",
  Description = "Simple animated box model",
  Author = "Cesium, https://cesium.com/",
  URL = "https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0/BoxAnimated",
  License = [[
    Creative Commons Attribution 4.0 International License,
    https://creativecommons.org/licenses/by/4.0/
  ]]
}