In the following example, I’ve created a scroll animation for a listing section, where the title photo zooms up and gets more opaque as the user scrolls the listing:Īnother particularity of Principle is that it’s quite difficult to achieve complex interactions using only default solutions and tools. Principle will automatically create animations between the keyframes when the scroll-based event happens. Next, move the timeline backwards and forwards and click the Rhomb button again to create another keyframe. To create an animation, select a layer from the layer list, click the small Rhomb button near your selected layer in the Drivers panel, and choose a property to change over time. Drivers connect properties to each other using keyframes. Drivers work similarly to an animation timeline, but they animate based on a changing property instead of time. This is actually what differentiates drivers from animated transitions, which happen between artboards. Use drivers to create animations within one artboardĭrivers help you create sophisticated draggable or scrollable animations inside artboards. Also, consider that you can apply drivers to several highlighted or grouped objects at once, which makes prototyping much simpler. If you group objects at later stages, you’ll probably run into problems. Why? Quite simply because an object placed into a group can move both with the group and in relation to the group. That’s why it’s important to name and group all related objects right when you create them. Like any decent tool, Principle loves order.
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