Precept is a device for designing animated and interactive person interfaces for net, cellular and desktop (some design groups are even utilizing it for digital actuality!). By permitting you to shortly consider your concepts earlier than investing beneficial engineering time, Precept accelerates the design-development cycle. After deciding on the ultimate design, Precept prototypes talk concepts to the engineering crew.

Fairly than provide options particularly for passing design developments or area of interest use circumstances, Precept strives to supply a toolbox of generic options that may be mixed in artistic methods to supply quite a lot of outcomes. Since it’s unattainable to cowl all of the methods these options may be mixed, this documentation focuses on describing how Precept works and leaves it as much as readers to find artistic functions.

The canvas within the heart of Precept is the place you will do most of your work. It comprises all artboards, and the transitions between them. The present artboard is highlighted with a inexperienced border. Precept robotically positions your artboards from left to proper. You possibly can reorder artboards by dragging their rows within the layer checklist, however in any other case they can not be repositioned. Precept will area out your artboards while you transfer a layer exterior the artboard’s boundary.

The Preview permits you to work together along with your design at any time, and is docked within the nook of the canvas. It may be indifferent into its personal window by dragging it off the canvas. You possibly can change the mouse cursor proven within the preview by deciding on View->Toggle Preview Cursor Sort.

The layer checklist on the underside left of the window exhibits the entire layers in your design. Layers may be grouped and un-grouped by dragging their rows. The artboard order on the canvas may be modified by dragging an artboard’s row. Be taught extra about layers

Hovering over a layer’s row exhibits the conceal button, which seems to be like an eye fixed. Clicking the icon toggles the layer’s visibility within the editor, however doesn’t have an effect on the layer’s visibility within the Preview.

Layers may be locked by going to the Organize menu and deciding on “Lock Layer”. Locked layers can’t be chosen within the canvas. If a layer is locked, A lock icon shall be proven within the layer checklist. Click on the lock icon to unlock the layer. Hovering over a locked layer will present a lock icon subsequent to the cursor to let you understand that clicking could not choose the layer you anticipate. If you wish to choose a locked layer within the canvas, you may proper click on the layer and use the “Select Layer” menu to pick out it.

On the left of the window and above the layer checklist, the Inspector shows the properties of chosen layers.

Showing on the backside of the window, the Animate panel is used to customise animations between artboards. It may be proven by clicking the Animate button on the toolbar, or by deciding on a transition arrow on the canvas.
Be taught extra about animation

On the high of the window, the Drivers panel exhibits the at the moment chosen Artboard’s drivers. Drivers are used to create subtle steady interactions.
Be taught extra about Drivers

At first look, Precept seems like a graphic design device, similar to different instruments you have used. Fundamental components may be created proper inside Precept, and pictures may be imported for all the things else.

Precept’s artboards work equally to different drawing packages: every represents a singular state of your design. The scale of artboards may be modified to suit totally different units, or window sizes. All artboards can have the identical measurement. Should you want the scale to alter, to simulate rotation or a window altering measurement, make the artboards the most important measurement you’ll need and make the contents change inside that space. Some artboards could also be conceptually the identical display, however with slight variations. For instance: two Artboards of a music participant design could also be equivalent aside from the play/pause button.

The artboard proven by the preview window can have a inexperienced border round it within the editor; new layers shall be added to this artboard.

Click on the toolbar’s Rectangle button or press “R” so as to add a brand new rectangle to the present artboard. Circles may be created by setting the radius of a rectangle to a big worth. A picture background may be added to a rectangle by dragging a picture (PNG, JPEG, TIFF) onto the picture nicely within the inspector. Rectangles are created with a measurement of 44×44 factors – the really helpful faucet space measurement for iOS.

Textual content layers have comparable properties to Rectangle layers, with the addition of font face, alignment, and measurement. The font face and alignment properties cannot be animated.

Not the entire fonts in your pc can be found on iOS, and won’t seem in Precept Mirror. Use an app like AnyFont to put in non-iOS fonts in your system.

Photos, films, and sounds may be imported into Precept by dragging from Finder, or with copy/paste. Should you’re a Sketch person, copying from Sketch flattens the choice to a single picture. Picture and Video layers have their side ratio locked by default, this may be turned off by clicking the lock icon within the inspector.

Property are copied into the Precept file in order that the design may be moved, emailed, and seen with out shedding its belongings. Due to this, attempt to use the shortest video and audio belongings potential to maintain the file measurement down. Conserving your asset measurement down can even enhance velocity when linked to an iOS system operating Precept Mirror.

Animated gifs usually are not supported in designs as a result of they are often concurrently very massive (poor compression) and low high quality (solely helps 256 colours). Additionally they carry out very poorly as a result of, not like video, there is not a {hardware} decoder. We suggest utilizing movies for small animations as an alternative of attempting to make use of gifs.

To alter a layer’s picture, drag a brand new picture onto the media button within the inspector, or click on the media button within the inspector and click on “Choose…” within the menu. If there are different layers that additionally use the previous asset, Precept provides you with the choice to replace all of these layers with the brand new asset.

An asset may be faraway from a layer by clicking the media property within the inspector and clicking “cut” within the menu.

Photographs with “@2x” or “@3x” on the finish of their filename shall be imported at 1x level measurement and the asset will look right when seen on a retina display. If in case you have already imported a excessive decision picture with out the suffix, manually halving the width and peak of the layer leads to the identical factor. (Professional tip: the inspector textual content fields perceive fundamental equations like “320/2”)

Copying and pasting from Sketch or different instruments will often lead to 1x belongings, so exporting at retina decision earlier than importing into Precept ensures the belongings are the proper measurement.

Video and Audio belongings will play whereas the mouse is over the preview window. By default, belongings will loop ceaselessly, however this may be modified by clicking the media button within the inspector and deciding on “Play Once”.

To play video or audio seamlessly between artboards, simply copy the video or audio layer to each artboards and make sure the layers have the identical identify. The Media time property is frozen by default which permits seamless playback, however may be manually unfrozen to make the playback begin over. Be taught extra about Frozen Properties

Layers may be grouped in Precept by deciding on them and clicking the Group button within the toolbar, or urgent Command+G. It’s also possible to group layers by dragging one row within the layer checklist on high of one other.

Teams in Precept are literally simply Rectangle layers with some baby layers. Teams have their very own place and measurement no matter their baby layer’s positions. That is how UIKit, Android, and the DOM draw and animate components, and could also be sudden when you’re used to the best way teams work in packages like Sketch, and Figma. This conduct is helpful to make the interactive space of a layer bigger, rotate a layer round a unique origin, or layer a number of animations on high of one another.

You possibly can crop layers by grouping (Command+G) and enabling “Clip Sublayers” on the group. To get a spherical masks, flip up the group’s radius property.

By default, Layers will rotate and scale round their facilities. If you would like to rotate or scale a layer round another level, you need to use a bunch to do this. By grouping the layer, positioning it contained in the group and rotating the group, you’ll be rotating the layer round a brand new anchor level. It’s useful to make the group have a width and peak of 0 to make it simpler to know the place the rotation level shall be.

There are three widespread interactions which can be inbuilt to Precept: Dragging, Scrolling and Paged Scrolling. These may be enabled independently on a layer’s vertical and horizontal axis.

Allow dragging on a layer while you’d like to permit the layer’s place to maneuver when a contact is held over it.

Scrolling may be enabled on a bunch layer. When a finger is dragged on a scrolling layer, the kid layers will transfer with the finger, however the group itself is not going to change place. Maps, Message threads, or any massive content material make nice candidates for scrolling. Should you activate scrolling on a layer that does not have any sublayers, Precept will robotically create a scrolling window group for you, how good. Activate “Clip sublayers” on the scrolling layer to cover the kid layers after they scroll exterior the group.

Paging is rather like scrolling, besides it robotically snaps its scroll place to group-sized increments when scrolling ends. Use paging for picture carousels, house screens with icons, any of these card UIs which can be so fashionable now-a-days. If you would like so as to add padding between pages, make the paging group slightly bigger than one aspect, and area the weather out.

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Occasions set off transitions between artboards. So as to add an occasion, choose a layer on the canvas and click on the lightning bolt button that seems to the fitting of it, then drag from one of many circles to the vacation spot artboard. A transition arrow shall be added to the canvas that factors from the supply artboard to the vacation spot artboard.

Dragging the outlet arrow to the chosen layer’s artboard will create a reproduction artboard.

Layers with an opacity of 0% usually are not interactive. To create a transparent tappable space, use a transparent fill as an alternative of 0% opacity.

There are a number of kinds of occasions:

  • Faucet #
    Fires when the layer is touched and launched with out transferring. Generally used for buttons.

  • Drag Start #
    This occasion fires when a finger is positioned on the layer and begins transferring. Including this occasion to a layer will make the layer draggable if it’s not already. If a layer with the identical identify is within the vacation spot artboard, its draggable state will decide if the drag interplay continues after the occasion fires.

  • Drag Finish #
    Fires when a finger that was transferring on the layer is lifted. Including this occasion to a layer will set its vertical and horizontal properties to Drag.

  • Scroll Begins #
    Fires when a scrollable layer begins scrolling. Including this occasion to a layer will set its vertical and horizontal properties to Scroll.

  • Scroll Launched #
    Fires when a finger scrolling the layer is lifted. This occasion works for each scrolling and paging. The contents could proceed scrolling after this occasion on account of deceleration, or the paging animation. Including this occasion to a layer will set its vertical and horizontal properties to Scroll.

  • Scroll Ended #
    Fires when scrolling comes to a whole cease. This occasion works for each scrolling and paging. As a result of deceleration takes some time to utterly cease, this occasion could have a longer-than anticipated delay earlier than it fires. Including this occasion to a layer will set its vertical and horizontal properties to Scroll.

  • Contact Down #
    Fires when finger comes into contact with the layer. Helpful for transitioning a button to a highlighted state.

  • Contact Up #
    Fires when finger lifts off a layer. Helpful for un-highlighting buttons. Does not fireplace if the contact originated on one other layer.

  • Lengthy Press #
    Fires when a finger has been held on the layer for half a second.

  • Hover Inside #
    Fires when the mouse is inside the layer

  • Hover Outdoors #
    Fires when the mouse is exterior of the layer

  • Auto #
    Fires robotically and with out person interplay. Can be utilized for looping prototypes and animations. Auto occasions solely fireplace when the mouse is over the Preview, with a view to preserve battery life, and your sanity.

    So as to add a delay to an Auto occasion, click on the Auto occasion arrow and delay its animations within the Animate panel.

    To delay auto occasions between screens that don’t have any animations, you may add a dummy layer off-screen of each artboards at barely totally different positions. This can create an animation that may be delayed.

Beginning with Precept 3.0, elements and their dad and mom can talk with message occasions. Message Occasions enormously scale back the complexity of prototypes by permitting elements to regulate one another with out having to navigate to a completely totally different artboard. Message occasions may be despatched from element to father or mother, father or mother to element, or from element to element.

Occasions can ship a message, pay attention for a message, or each. Occasions pay attention for, and ship messages to, a specific layer: both a element or the element’s father or mother. For a message to work there should be each a sending and listening occasion. For instance, an electronic mail element might ship a “Send Mail” message to the father or mother, and the father or mother has an occasion coming from the element that listens for a “Send Mail” message. Simply because a element sends or listens for a specific message would not essentially imply there may be an occasion on the opposite finish of that message. Precept will create each the sending and listening occasions for you when creating occasions into and out of elements.

Sending occasions to father or mother

To ship an occasion from a element to its father or mother, enter the element and start creating a faucet occasion as regular, however drag the arrow to the “Send to Parent” button within the high left of the canvas. Hovering over the button will present a popup that can allow you to select an artboard within the father or mother. This can create two occasions: one within the element that sends a message to the father or mother when triggered by a faucet, and one other occasion within the father or mother that listens for a similar message after which goes to a different artboard within the father or mother.

Sending occasions to element

To ship an occasion to a element, drag the occasion arrow over a element with a flashing blue border to disclose the element artboard popup. Then launch over the specified vacation spot artboard.

Triggering on present element messages

Clicking the lightning button on a element will present a popup itemizing the standard occasions corresponding to faucet, however can even present all of the messages that the element sends to the father or mother.

Precept provides messages distinctive default names like “Event 1”, however you may change this to present occasions extra significant names or to modify from one message to a different.

Double clicking the blue message on an occasion arrow permits you to edit the message. Precept has slightly magic to make it so renaming a despatched message will robotically rename the listening messages and vice versa.

Since messages are simply textual content, the textual content should match precisely for the sending occasion to set off the listening occasion. An occasion sending “Send Mail” is not going to set off and occasion listening for “Send-Mail”.

If you need to alter the kind of occasion that triggers a transition, you may delete the transition (click on the transition arrow and press delete in your keyboard), and create a brand new transition with the specified occasion kind. Your animation keyframes and curves is not going to be misplaced as a result of they’re saved within the artboard, and never within the transition. Be taught extra about shared animations.

Touches are routed to the top-most, inner-most nested layers which can be marked as touchable after which handed up the father or mother layers till one of many layers can use the contact.

Let’s undergo just a few examples:

Group (Has Faucet occasion)
— Layer (Has Faucet occasion)

Tapping the layer will set off the layer’s faucet occasion. The group’s occasion can solely be triggered whether it is potential to faucet the group with out touching the layer.

Alternatively take into account this example:

Group (Has Faucet occasion)
— Layer

Tapping the Layer causes the group’s faucet to fireplace. Because the layer would not use the contact, it will get handed to the Group, which makes use of it for the faucet occasion.

Elements work the identical means:

Group (Has Drag occasion)
— Part
—— Layer (Has Drag occasion in element)

Dragging the Layer will solely set off the Layer’s drag occasion, since it’s the inner-most layer, and the drag occasion on the group is not going to fireplace.

The touchable property permits you to management if a layer captures touches, or permits touches to move by it. Including an occasion (like faucet) or a inbuilt interplay (like drag) to a layer will mark the layer as touchable. Un-checking touchable will take away occasions and clear its’ horizontal and vertical properties. A layer’s touchable property doesn’t have an effect on it is kids’s touchable properties: a touchable layer will all the time be touchable even when it is father or mother is just not.

For elements with a big clear artboard it is helpful to go away touchable unchecked in order that the element would not forestall touches from going to different layers behind it. Alternatively, generally you need layers to be touchable in order that they forestall different layers from getting touches, such when designing a overlay for a modal popup UI.

When an occasion is triggered, Precept animates between the present artboard and the occasion’s vacation spot artboard.

If two layers on totally different artboards have the identical identify, Precept will robotically animate between them throughout a transition. If there may be not a layer with the identical identify on each the supply and vacation spot artboard, the layer will disappear or seem with no animation.

The animate panel will present the animating properties on layers whose names exist on each the supply and vacation spot artboard. If we had a layer with the identical identify on Artboard 1 positioned at (x:0, y:0) and Artboard 2 at (x:0, y:50). The animate panel will present animation info for the y property, however not the x property.

By default, all animations have a period of 0.3 seconds, and use the default easing curve utilized in iOS and OSX. The Animate view is the place you may customise this. Clicking a transition arrow above the artboards will present the Animate view, which lists all of the the properties that shall be animated and a timeline to alter timing and easing.

Every row within the Animate view exhibits two keyframes, one representing the beginning time of the animation, the opposite, the tip. Dragging these keyframes modifications the delay and period of the animation.

The easing curve determines the speed at which a property animates: does it transfer slowly after which velocity up? Does it lurch shortly to the tip, after which regularly gradual to a cease? Behaviors like this are managed with the easing curve.

Clicking the blue space between two keyframes exhibits the Curve Selector. The Curve Selector has a number of inbuilt curves, in addition to a graph of the chosen curve.

The inbuilt curves are the identical curves utilized in iOS and OSX. At any time the curve may be tweaked by dragging the handles within the preview, or typing in new coordinates for the handles on the backside of the popup.

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Spring animations can be utilized by deciding on “Spring” within the Curve Selector. That is helpful for including physicality and playfulness to layers, however shouldn’t be overused. The Curve Selector has choices for the spring’s Stress and Friction. A spring animation doesn’t have an finish keyframe as a result of the spring animation’s finish time shall be decided by the physics simulation. You possibly can not directly change the period of a spring animation by altering the stress and friction values.

Typically it’s helpful keep the worth of a property from the earlier artboard throughout a transition. Precept calls a majority of these properties “Frozen”. You possibly can Freeze a property by clicking the snowflake icon within the animate panel. Freezing a property prevents it from altering, and thus animating, throughout a transition. Frozen properties can be utilized to recollect issues from different artboards corresponding to scroll offset, the place of a draggable layer, or the artboard a element was on. Precept Freezes the Scroll X and Scroll Y properties by default in order that scroll place is maintained between artboards. Should you want an occasion to scroll to a selected place, you may unfreeze Scroll X and Y.

The animation info for each transition is saved within the transition’s vacation spot artboard. Which means that all transitions going to a specific artboard can have the identical animation settings. For instance, when you use a spring animation within the transition going from artboard A to artboard B, then a spring animation can even be used within the transition going from artboard C to artboard B.

Wish to make an interactive parallax impact? Desire a layer to rotate whereas it’s dragged? Drivers are for you. Drivers join properties to one another utilizing keyframes. In contrast to Animated transitions, which happen “between” artboards, drivers work in artboards. Click on the Drivers button present or conceal the present artboard’s drivers. In case your mouse would not help horizontal scrolling, maintain area and drag the Drivers panel to scroll.

Drivers work equally to an animation timeline, besides drivers animate based mostly on a altering property, as an alternative of time.

With a purpose to create a driver, a property which might change must exist on the artboard, that is referred to as a driver supply. Draggable layers, scrollable layers, and non-compulsory properties will robotically be listed as driver sources within the Drivers view.

Upon getting a Driver Supply, you need to use it to regulate different properties. Choose a layer you want to regulate, click on the blue “+” button within the Driver view and select which property you’d prefer to drive. This can create a driver with a keyframe for the present worth. By itself, this single keyframe is not going to do something, which leads us to:

So as to add keyframes, drag the grey driver cursor to a place that you just’d like so as to add a keyframe after which change the worth of that property. Precept will insert a brand new keyframe for you robotically. Keyframes may be eliminated by clicking on them, after which clicking the crimson button to the left of the keyframe’s row.

Elements, launched in Precept 2.0, mean you can reuse design components in a number of locations, and add embedded interactions to present artboards. Internally, Elements work similar to a typical precept file; they’ve their very own artboards, occasions and animations unbiased of their father or mother. Should you edit one occasion of a element, all different situations of the element shall be up to date. Elements may include different elements, making subtle combos potential.

Occasions inside elements work the identical means that occasions on sublayers of teams work. If a sublayer of a bunch or element has a faucet occasion, that faucet occasion will get triggered, and never faucet occasions on the group or father or mother.

If you want to make a element that modifications measurement, corresponding to a popup menu, one of the best method is to make the element the scale of the collapsed menu after which make the expanded menu layers go exterior of that. Should you make the element the scale of the expanded menu, it can block touches even when collapsed as a result of the artboard is so massive.

To create a element, choose a number of layers on an artboard and click on the create element button within the Precept toolbar. The layers shall be grouped collectively in a single element and you’ll be taken into the element to start modifying it. Click on the “Back to Parent” button within the high left of Precept’s canvas to return to the place you created the element. If you want to edit the element once more sooner or later, you may choose it and click on the “Edit Component” button within the inspector. It’s also possible to double click on elements to edit, or press enter when the element is chosen.

You possibly can drag present Precept recordsdata onto the canvas to import it as a element.

Precept routes touches to the deepest topmost layer. If in case you have a element or clear layer above all the things else, it can obtain touches. Part artboards may be resized to be smaller, or off display, in order that the element’s artboard layer would not obtain the touches when the contents usually are not seen.

If in case you have a contact occasion inside a element and a contact occasion within the element’s father or mother, the element’s contact even will get the contact, since it’s the deepest layer. This is similar means that touches are routed when there are occasions on each teams and the group’s sublayers.

Sketch and Figma are vector drawing packages typically used for static interface design. Designs created in Sketch and Figma may be imported into Precept by clicking the import button within the toolbar, or going to File > Import.

There are some things you will have to import:
1. Sketch or Figma will need to have a doc open
2. The doc will need to have no less than one Sketch Artboard or Figma Body on the present web page

If the doc has a number of pages, the present web page shall be imported.

Precept will import Sketch artboards and Figma Frames within the order they seem on the web page, from left to proper after which high to backside.

  • You possibly can import a bunch or layer as a single rasterized picture by including “principle flatten” (with out quotes) to the layer identify in Sketch or Figma. This can be utilized to cut back the variety of layers that get imported into Precept, which can make it simpler to work with, import quicker, and run at a better frames per second.

  • To stop a layer from importing, add “principle skip” (with out quotes) to the layer identify in Sketch or Figma.

Within the import dropdown, you may choose how flattened photographs will get scaled when imported. The size issue would not have an effect on the size of layers, simply the decision of raster belongings. This characteristic is helpful in case your Sketch or Figma file is at 1x decision, however you’d prefer to have the Precept prototype look good on a 2x or 3x retina display.

If in case you have made modifications to your Sketch or Figma file, it may be re-imported into Precept and animations, occasions, and layer mappings will stay intact. If you wish to change the place or different properties of a layer that was imported, it is best to make that change in Sketch or Figma after which import once more. Typically chances are you’ll delete a layer in Sketch or Figma after which remake it, maybe with a unique method; in these conditions Precept will not know that this new layer is conceptually the identical layer, so any occasions that have been positioned on the previous layer shall be misplaced. Artboards which were deleted from the Sketch or Figma doc, or have been imported from one other doc is not going to be affected by importing once more.

Making modifications

Should you discover you want to make visible modifications to your layers, it is best to take action within the authentic doc, after which import once more. This consists of creating duplicate artboards or layers. Duplicating an imported layer in Precept will create a layer that does not have a 1:1 mapping to the imported doc, so it is not going to be affected by modifications made in Sketch or Figma.

As a lot as potential, Precept will attempt to import Sketch and Figma layers as native Precept layers so their properties may be animated. Nonetheless, Precept, Sketch, and Figma’s options differ, so the import cannot all the time be 1:1. For instance, Precept would not have mix modes, so all Sketch layers are imported as having a Regular mix mode. Normally, you may work round these variations by flattening the layer, or group of layers, right into a single picture layer.

There are some things that can trigger a layer to get robotically flatted into a picture throughout import:

  • Paths
    Layers which can be greater than only a rounded rectangle with a single radius shall be flattened

  • Fills
    Layers will need to have a single, stable shade fill with a view to keep away from being flattened.

  • Borders
    Layers will need to have at most a single, stable, inside border, or they are going to be flattened

  • Blur and different results
    Layers with a blur or different results shall be flatted

  • Masks
    Teams or Artboards with a masks layer shall be flatted right into a single layer. With a purpose to decrease the variety of layers that get flatted on account of a masks, you may group the masks layer and the layers it masks.

  • Textual content
    Textual content layers are flattened to a picture as a result of Precept would not help the entire textual content choices in Sketch. Flattening textual content has the aspect good thing about guaranteeing that every one fonts render accurately when the Precept file is seen on iOS, which doesn’t have the identical the fonts as your Mac.

If importing fails, you may restart Precept to rerun it is compatibility verify. In some circumstances, updating Precept is required to import from new variations of Sketch, which can have modified its scripting API. If there is not a brand new model of Precept that may import out of your model of Sketch, Precept will present a hyperlink on the import dialog to obtain a suitable model of Sketch. If importing nonetheless fails, you may contact us with details about what Precept and Sketch variations you have got and we’ll look into it.

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You possibly can replace Precept by deciding on the “Principle” menu and clicking “Check for updates”. If verify for updates is grayed out, the replace has already downloaded and restarting Precept will set up it. In case your license was bought greater than a 12 months earlier than the most recent model of Precept was launched, you may renew your license use the most recent model.

As soon as you have created the right interplay, you will need to present the world. There are just a few methods to do that.

In Precept 6 and later, Share to net is the simplest means for others to see your design. With one click on in File -> Export -> Share to Net, you will get a hyperlink you can ship to anybody to view in an internet browser. Your license must be renewed or bought inside within the final 12 months to share to net. You possibly can renew your license on the account web page to regain the flexibility to share to net.

You possibly can export layers as photographs by deciding on layers and clicking File -> Export -> Photographs of Chosen Layers. This can export a PNG picture of every chosen layer to the folder that the Precept file is saved in, or the Desktop if the Precept file has not but been saved.

To export a video or animated Gif of the design, click on the digicam icon within the high proper of the preview window. You may have the choice to make use of the spherical contact cursor, the arrow cursor, or have the cursor hidden within the recording. After deciding on an possibility for the cursor, Precept begins a display recording of the Preview window. As a result of it is actually recording your display, the export measurement of the video is restricted by the decision of your monitor. When the icon begins blinking, the recording has began and you’ll start to work together along with your design (it might take a second for the recording to begin). When you’re performed recording your design, click on the digicam icon once more to cease recording.

We strongly encourage you employ export movies as an alternative of gifs, as movies can have a smaller file measurement, and be greater high quality, than gifs.

Video export doesn’t at the moment help audio, so in case your design makes use of sound, it is not going to be current within the recorded video.

Gif Settings

When exporting a Gif, you may select customized export sizes by selecting a preset from the dropdown or getting into in settings with this format:

  • 45%
    Any quantity adopted by a % signal will export a Gif that may be a scaled down model of what you recorded, the output shall be scaled by the % you enter. If a % is specified, width and peak values shall be ignored.

  • 134h
    export a gif with the required peak, maintaining the identical side ratio because the artboards.

  • 320w
    export a gif with the required width, maintaining the identical side ratio because the artboards.

  • 400w 300h
    export a gif with the required measurement. The recording shall be scaled down to suit inside this dimension, however will retain its authentic side ratio. Padding and a drop shadow are robotically added. The colour set within the shade nicely shall be used to fill the background of the gif.

The gif format may be very previous (it was invented in 1987) and has some quirks which will shock you.

  • Gif solely helps 256 colours
    In case your design that has many colours, or delicate gradients, chances are you’ll discover that some colours are lacking, or fallacious while you export it as a gif. It’s because the gif file is having to choose 256 colours out of your design and becoming the entire design into these colours. If you wish to produce a very nice trying gif, it helps to cut back the variety of colours and gradients in your design. Alternatively, exporting as a film can have a lot better shade.

  • Gif recordsdata are very massive
    Most individuals’s are underneath the impression that gif recordsdata are small as a result of they see a number of tiny, quick animated gifs on-line. In actuality, the gif file format is extraordinarily tough to make small file sizes with and for some content material, unattainable. Should you tried to export a 1080p gif animation that’s a number of seconds lengthy, the file might simply be tons of of megabytes. Exporting as a .mov will nearly all the time lead to a smaller file measurement in comparison with gif. One of the best method to producing small gif recordsdata is to export small, quick animations.

  • Gif solely helps 1 bit alpha
    In contrast to PNG, which has 8 bit alpha, the gif file format solely helps 1 bit alpha, which suggests a pixel is both absolutely seen, or utterly clear. Since there cannot be a gradual transition from opaque to clear, the perimeters of gifs with transparency look very jagged and pixelated. It isn’t potential to export gifs with a transparent background or clear components from Precept as a result of it will look unhealthy.

  • Gif animation is a useful resource hog
    Ever left your net browser open on a web page with just a few gifs solely to note your pc’s followers go loopy and your battery life disappears? Thats as a result of animated gifs are useful resource intensive to play again. In contrast to trendy animation codecs like mp4, there isn’t any specialised {hardware} on computer systems to animate gifs effectively. For this reason Precept would not help animated gifs as layers. It is higher to pull in a film as an alternative.

Precept Mirror for iOS can be utilized to sync your designs to your iOS system in realtime as you’re employed. Obtain the Precept Mirror app onto your system and join it to your pc’s USB port. Precept for Mac and Precept Mirror will discover one another robotically and the top-most Precept doc shall be despatched to your system. In design evaluations, press Cmd~ to shortly swap between open Precept paperwork and the iOS app will swap recordsdata as nicely.

The design will proceed to run even after disconnecting from USB, making it simple to point out teammates.

If you need to view your design on Android, Home windows, or Linux, use Share to Net.

Precept makes use of normal bezier easing capabilities, together with delay and period values for animations. Since it is a normal means of describing animations, these values will often map straight into code, it doesn’t matter what platform you are focusing on. Click on and maintain a keyframe to see its time offset. Clicking the blue space between keyframes to entry its easing curve. Spring animations use a typical RK4 physics integrator. We don’t suggest utilizing any UIKit spring API that takes a period parameter, as it is a tough approximation of spring physics, and never an true spring simulation.

If in case you have suggestions, we need to hear it! The easiest way to achieve us is from the help web page. Essentially the most useful bug reviews embrace a .prd file with detailed steps to set off the issue. Characteristic requests are appreciated, nevertheless it’s most useful when you describe your drawback relatively than suggesting a characteristic to unravel your drawback.

In contrast to static design instruments, Precept must animate your designs at a clean 60 frames per second. You typically do not have to consider this however for greatest efficiency it may be useful to maintain just a few issues in thoughts:

  1. Use photographs and movies which can be the scale of the layer they are going to be displayed in.
    Should you have been designing a photograph viewing interface, you might have some pattern photographs straight from a digicam which can be very massive, say greater than 3000 by 3000 pixels. Because the interface could solely present 150×150 pixel icons of some photographs, it can assist to resize and crop the photographs down earlier than dragging them into Precept.
  2. Flatten teams right into a single layer.
    Some teams symbolize static components, like icons or standing bars, and won’t ever animate relative to one another. It’s useful to mix these layers as a single flattened layer. Should you’re importing from Sketch, you may append “principle flatten” (with out quotes) to the tip of a bunch’s identify in Sketch to trigger Precept to import the group as a single flattened picture layer. For teams which can be already in Precept, simply drag the group from the layer checklist onto the canvas to create a flattened picture model of the group.


Add Rectangle: R (Alt + R so as to add as baby)
Add Textual content: T (Alt + T so as to add as baby)
Add Artboard: A
Group: Cmd + G
Ungroup: Cmd + Shift + G
Deliver to Entrance: Shift + Cmd + ]
Deliver ahead: Cmd + ]
Ship Backward: Cmd + [
Ship to Again: Shift + Cmd + [


Nudge: Arrow Keys
Large Nudge: Shift + Arrow Keys

Rotate: Cmd + Drag deal with
Rotate in 15 diploma increments: Cmd + Shift + Drag deal with

Duplicate: Cmd+D
Duplicate and Transfer: Alt+Drag

Inspector Textfields: perceive fundamental equations like “320/2+10”
Inspector Labels: dragging textfield labels shortly scrubs values

Rename Layer: Cmd+R

Canvas Navigation

Pan: Area + drag
Zoom in: Z + Click on
Zoom out: Alt + Z + Click on: 
Steady Zoom: Alt + Area + Drag
Zoom in: Cmd + =
Zoom out: Cmd + –
Zoom All: Cmd + 1
Zoom Choice: Cmd + 2
Middle Choice: Cmd + 3
Precise Dimension: Cmd + 0

Driver Navigation

Pan: Area + drag
Zoom in: Z + Click on
Zoom out: Alt + Z + Click on: 
Steady Zoom: Alt + Area + Drag

Animate Navigation

Pan: Area + drag


Choose Dad or mum: Esc
Choose Baby: Enter
Choose Subsequent Sibling: Tab
Choose Earlier Sibling: Shift+Tab
Choose all Siblings: Cmd + A


Change cursor kind: View->Toggle Preview Cursor Sort
Rewind Prototype: W
Begin recording video: Ctrl+V
Begin recording video with out cursor: Ctrl+alt+V

Try the steadily requested questions on our help web page.

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