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Scene.md

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Scene

The scene is responisble for rendering your 3D assets. It takes care of the animationLoop, camera, raycasting and much more. Under the hood, the Scene is a regular Framer Layer.

new Scene
  width: Screen.width
  height: Screen.height

Properties

The scene layer supports all of the default Framer Layer-properties.

  • camera - Camera - The camera used within the scene
  • animationLoop - Function - Give this property a function and it will be executed each frame.
  • scene - Scene - The native THREE scene. Default is new THREE.Scene
  • renderer - WebGLRenderer - The native WebGL Renderer used to render the scene and its meshes. Default is new THREE.WebGLRenderer

If you want to render your 3D-assets on a transparent scene, all you have to do is specify backgroundColor: 'transparent'

new Scene
  width: Screen.width
  height: Screen.height
  backgroundColor: 'transparent'

Example: Updating using the Animation Loop

If you want to continuously update the rotationY or any other property on your model, you can use the animationLoop.

scene = new Scene
  width: Screen.width
  height: Screen.height

new Model
  path: 'models/bike.fbx'
  parent: scene
  onLoad: (model) ->
    
    scene.animationLoop = () ->
      model.rotationY += .1

Camera

The camera captures the scene and feeds data into the renderer.

Properties

  • x - Number - Specifies the camera x position. Default is 0.
  • y - Number - Specifies the camera y position. Default is 0.
  • z - Number - Specifies the camera z position. Default is 500.
  • rotationX - Number - Specifies the camera rotationX position. Default is 0.
  • rotationY - Number - Specifies the camera rotationY position. Default is 0.
  • rotationZ - Number - Specifies the camera rotationZ position. Default is 0.
  • fov - Number - Specifies the Field of View. Default is 35.
  • near - Number - Specifies the camera frustum near plane. Default is 0.1.
  • far - Number - Specifies the camera frustum far plane. Default is 10000.
  • zoom - Number - Specifies the camera zoom factor. Default is 1.
  • aspect - Number - Specifies the camera aspect ratio. Default is scene.width / scene.height
  • orbitControls - Bool - Specifies if camera should orbit around a target. Default is false
  • nativeCamera - PerspectiveCamera - The native THREE Camera. Default is new THREE.PerspectiveCamera 

If orbitControls is enabled

  • enablePan - Bool - Enables Camera Touch Panning. Default is false
  • enableZoom - Bool - Enables Camera Touch Zooming. Default is false
  • enableRotate - Bool - Enables Camera Touch Rotating. Default is false
  • enableDamping - Bool - Set to true to enable damping (inertia), which can be used to give a sense of weight to the controls. Default is false
  • dampingFactor - Number - The damping inertia used if .enableDamping is true. Default is 1.4.
  • autoRotate - Bool - Enables Auto Orbiting around the target position. Default is false
  • autoRotateSpeed - Number - Specifies the auto rotation speed when auto orbiting. Default is 10.
  • target - Position - Specifies a position for the camera to orbit around. If you want to orbit around a model, make sure to specify model.position. Default is new THREE.Vector3(0, 0, 0)

Methods

.lookAt(Vector3) .lookAt(x, y, z)

Rotates the camera to face the point in world space. Use this within the animationLoop to always face the position regardless of animations or similar.

.animate(Object) .animate(String)

Animates the camera with the specified properties. If the argument is a string instead of an object, Framer Form expects it to be a State-name. Exactly as the regular Framer Animation-API.

options - Object - If argument is an object, you may specify an options-object with following properties:

  • time - Number - Animation length in seconds
  • delay - Number - Animation delay in seconds
  • curve - String - Animation Easing. This does only support the following strings:
    • linear
    • easeInQuad
    • easeOutQuad
    • easeInOutQuad
    • easeInCubic
    • easeOutCubic
    • easeInOutCubic
    • easeInQuart
    • easeOutQuart
    • easeInOutQuart
    • easeInQuint
    • easeOutQuint
    • easeInOutQuint
    • easeInSine
    • easeOutSine
    • easeInOutSine
    • easeInExpo
    • easeOutExpo
    • easeInOutExpo
    • easeInCirc
    • easeOutCirc
    • easeInOutCirc
    • easeInElastic
    • easeOutElastic
    • easeInOutElastic

.stateCycle(StateName: String)

  • Cycles between the specified states. The method takes unlimited amount of arguments.
  • If no arguments are specified, this method will cycle through all available states.

.stateSwitch(StateName: String)

Instantly applies the specified state's properties.