ease-in, ease-out, and. Hello World. However for some reason my images seem to fade over each other too fast and I can't control the timing well. The animation starts quickly, and decelerates gradually until the end. 25, 1); These functions are often called easing functions. A timing function in CSS is usually referred to easing functions. All the Timing Functions Defined in CSS. If you are feeling a little fancy you can add timing functions, fill mode, direction and delay. It appears as if the element bounces off the left side. Either an integer representing the animation's duration (in milliseconds), or an object containing one or more of the following: The number of. 1 Answer. This, in essence, lets you establish an acceleration curve so that the speed of the transition can vary over its duration. Result: CSS Code: #myDIV { animation-timing-function: linear;} Click the property values above to see the result. For example, if we wanted to animate a bouncing ball, and we wanted a good . The transition stays at the initial state until the end, when it instantly jumps to the final state. For example, use md:ease-in-out to apply the ease-in-out utility at only medium screen sizes and above. animation-timing-function: linear (0, 0. ) each represent cubic Bézier curve with fixed four point values, with the cubic-bezier() function value allowing for a non-predefined value. The acceleration and deceleration of transitions is controlled using the transition-timing-function property. A string defining the timing function to use for easing transitions during the animation process. This acceleration curve is defined using one <easing-function> for each property to be transitioned. The non-step keyword values (ease, linear, ease-in-out, etc. The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle. By manipulating these animation properties, you can fine-tune the duration, delay, iteration. This is ridiculously fun, of course. The animation-composition property helps to specify how to combine the underlying value with the effect value. animation-timing-function: mengatur kecepatan animasi ( linear | ease | ease-in | ease-out | ease-in-out | cubic-bezier). Basic Usage Changing animation timing function . You can create a "fake" delay between infinite animations purely with CSS. Within a keyframe, animation-timing-function is an at-rule. animation-delay: the time between the element being loaded and the start of the animation sequence (cool examples). The ease keyword is the default value of the CSS timing-function property, and it is actually quite similar to the previous one, although it eases in at a faster rate before easing out much more gradually. An animation-timing-function defined within a keyframe block applies to. Each stop is a single number that ranges from 0 to 1. This lets you establish an acceleration curve, so that the speed of the animation can vary over its duration. We won't send you spam. but the cubic bezier curves associated with these two keywords are not exactly parabolas. 1. transition-timing-function: step-end; The transition stays at the initial state until the end, when it instantly jumps to the final state. This will mean when the user rolls over that the arrow will rotate smoothly in and then out on roll off. Neither is JavaScript required. 5*0. . transition-delay Defines when the transition starts. ,fn) with a custom timing function. #myDIV { animation-timing-function: linear; } Click the property values above to see the result. However, you canTiming Functions in CSS Animations. 伸縮バーでイージングアニメーションを比較; 4. the duration of the animation. ease-in-out. animation-timing-function: step-end; The animation stays at the initial state until the end, when it instantly jumps to the final state. To do this, we define the animation name, duration and iteration count. Initially we had a bounce effect (below) (with values 0. If no animation-timing-function is specified on a keyframe, the corresponding value of animation-timing-function from the element to which the animation is applied is used for that keyframe. css. Result: CSS Code: #myDIV { animation-timing-function: ease; } Click the property values above to see the result. js, we have a property named easing that we can use to specify the easing function to use for the animation. You can also add a class which specifies the iteration count to stop the infinite loop. First, you have to select 4 coordinates for constructing the cubic Bezier starting and ending points. actually animation-timing -function doesnot work without defining a proper animation and keyframes. The part in between is played in normal speed: cubic‑bezier(n,n,n,n) You can specify your own. animation-timing-function: linear: animation-timing-function: linear; Chuyển động sẽ cùng tốc độ từ lúc bắt đầu tới lúc kết thúc. I fixed it for now using this:animation-timing-function - default ease. Share. This, in essence, lets you establish an acceleration curve so that the speed of the transition can vary over its duration. However, it seems the easing effect is only effective the first time it slides down. 5 = 0. There are three timing properties you can tune for every animated transition: the duration, the delay, and the easing function. g. In other words, the timing function is applied at the start of the keyframe and at the end of the keyframe. The animation-composition property specifies the operation to perform to produce the final effect value after compositing the. Browser Support for Animations The numbers in the table specify the first browser version that fully supports the property. transition-timing-function only supports the keyword initial. ) correspondent à une courbe de Bézier cubique fixe avec quatre valeurs prédéfinies; La fonction cubic-bezier() permet de paramétrer une courbe spécifique. I’ve created a simple keyframe animation here on CodePen. So, if no timing function is specified in the transition-timing-function property or animation-timing-function property, then ease is the value set. What you can do is create your own bezier-curve using a tool like cubic-bezier. Here are some animation frames: Start: In-between: End: This is. background, transform; transition-timing-function: ease-out, ease-in, linear, ease-in-out; transition-delay: 0, 0, 0, 1s; transition. When playing in reverse, the animation steps are performed backward. Hello World. 25, 1. An example animation would look like this: transition-timing-function: cubic-bezier(0. inOut () Makes any easing function symmetrical. It starts slowly, accelerates through the middle part. slideRight { animation-name: slideRight; animation-duration: 1s; animation-timing-function: ease-in-out; visibility: visible !important; /* New code here: */ animation-delay: 1s; } It's important to note that animation-delay only delays. Linear transitions work well for simple animations, while ease-in-out is best for. The values the. In This Article. A cubic-bezier timing-function describes the change of something over a period of time, so the coordinates of our handles are (time, something) pairs. Teams. This function accepts a number of stops, separated by commas. Possible values: linear: even speed over the whole animation. The ease-in keyword, which is being used in the previous Codepen example, will set the acceleration to start slowly—easing in. In CSS, we have done that by using the CSS transition-timing-function. The first value that can be parsed as a time is assigned to the transition-duration, and the second value that can be parsed as a time is assigned to transition-delay. @keyframes fade-in { 0% { opacity: 0; } 100% { opacity: 1; } } . The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle. Ceaser. When a preset timing function doesn't fit the animation. 1, . Then speeds it up and ends it slowly. The order of time values is important. ease-in will start the animation slowly, and finish at full speed. It is specified using four values, typically represented as "cubic-bezier (x1, y1, x2, y2)," where each value is a number between 0 and 1. I've used the "Easy Ease" to create an okay looking transition, but I would like to use this timing function (from CSS): cubic-bezier(0. hubspot. animation-timing-function: establishes preset acceleration curves such as ease or linear. 58,1)) step-start: Equivalent to steps(1, start) step-end: Equivalent to steps(1, end) steps(int,start|end) Specifies a stepping function, with two parameters. animation. That's because we've used the ease-out timing function for the horizontal translation and ease-in for the vertical. ease. Just put a URL to it here and we'll apply it, in the order you have them, before the CSS in the Pen itself. Manipulating the animation pace. ease-in. As with transitions, the choice of timing function can greatly impact the feel of an animation. P0 is (0, 0) and represents the initial time and the initial state, P3 is (1, 1) and represents the final. Subscribe. 0s; animation-timing-function: ease-out; animation-fill-mode: forwards; } Worked perfectly! Not sure why there was a flicker if there was a delay but I'm glad this worked!Transition Timing Function Options. Within a keyframe, animation-timing-function is an at-rule. I want the easing to apply to the entire animation. Ease-in: The ease-in timing function causes animations to begin slowly and accelerate near the end. top { animation-name: FadeInOut; animation-timing-function: ease-in-out; animation-iteration-count: infinite; animation-duration: 10s; animation-direction: alternate; } Creating Image Effects Dynamically. animation-name: Specifies the name of the keyframe you want to bind to the selector: animation-duration: Specifies how many seconds or milliseconds an animation takes to complete: animation-timing-function: Specifies the speed curve of the animation: animation-delay: Specifies a delay before the animation will start: animation-iteration. animation-delay: the time between the element being loaded and the. In a CSS animation, you can specify your timing function as part of the shorthand animation property, or by setting the animation-timing-function property directly. }); }); Easing is the primary way to change the timing of your tweens. I believe most developers think in terms of states:. The cubic-bezier timing function makes that possible! Show more You can use our built-in easings by passing them as the easing property to the withTiming config: import { Easing } from 'react-native-reanimated'; withTiming(sv. The animation-iteration-count property specifies the iteration count of the animation’s associated. animation-timing-function = ease D. animation-timing-function = <easing-function> # <easing-function> = linear | <linear-easing-function> | <cubic-bezier-easing-function> | <step-easing-function> <linear. Each of them has an effect property, and in your case, they are all of the type KeyframeEffect. The animation timing function ease will cause the animation to start slow at 0 -> speed up -> slow down to -10px -> speed up -> slow down to 0. A Cubic Bezier curve is defined by four points P0, P1, P2, and P3. The animation shorthand CSS property applies an animation between styles. value, {. Result: CSS Code: #myDIV { animation-timing-function: ease; } Click the property values above to. 25, 0. animation-timing-function: ease-in-out; Specify the Fill Mode for an Animation (Animation-Fill-Mode) There are four possible options for the fill mode: "none": It is the default value, which means that the element will return to its original state once the animation has finished. This is the default timing function in CSS. In between each stop the interpolation is done in a linear way, explaining the name of the function. I have this little image that I want to rotate continuously or at least have a shorter break between animations. Easing curves are commonly referred by many other names such as Motion Curves, Timing Functions, Bezier Curves or just. In CSS, we use the animation-timing-function property to apply easing to an element's animation. An easing curve is a line that defines the acceleration pattern on a graph. css rotation without pausing. Animation Timing Functions. The interpolation occurs at a constant rate from beginning to end. animation-timing-function: linear. 9, 0. The properties are listed in the CSS. the type of animation: CSS transition, CSS animation, or Web Animations API. Easing functions can change the look and feel of an animation by affecting the rate, or speed, of an animation. ease-in - starts slowly, but accelerates at the end and stops abruptly. ease-out. the animation’s easing (or timing function). An element with animation-timing-function set to ease-out. The transition-timing function specifies the time an animation uses to change from one set of CSS transitions to another. If no animation-timing-function is specified on a keyframe, the corresponding value of animation-timing-function from the element to which the animation is applied is used for that keyframe. 補間がゆっくり始まり、急激に加速し、終わりに向かって徐々に遅くなることを示します。. The animation-timing-function property can have the following values: ease - Specifies an animation with a slow start, then fast, then end slowly (this is default) linear - Specifies an animation with the same speed from start to end; ease-in - Specifies an. CSS transitions and transforms are a powerful way to enhance and delight user experiences. You can’t use this. 1 Answer. World. The idea is to loop over a set of keys and generate a block of CSS with linear () easings. . Example: width 1s linear 1s. This will make your element use the keyframes from 0% to 100% for the specified duration then go from 100% to 0% after the first iteration is complete. I've been attempting to change the "animation-timing-function" property from "linear" to "ease-out", but it just stops abruptly, as opposed to the slow stop I want. In simple terms, easing refers to the way the animation accelerates and decelerates over time. However, it seems the easing effect is only effective the first time it slides down. That might not be the clearest explanation, but the syntax might help clarify. For keyframed animations, the timing function applies between keyframes rather than over the entire animation. Within a keyframe, animation-timing-function is an at-rule-specific. Easing functions specify the rate of change of a parameter over time, allowing you to create more natural animations that mimic real-world motion. The advantage of this approach is that you can change the duration and timing-function which can be nice for easing out some animation (Like a rotating logo for example). In this interactive demo, we want the graphs of the f and g functions to be as close as possible to the dashed lines, which represent the ease-in timing function (below the identity line) and the ease-out timing function (above the identity line). An animation-timing. If you set a timing function on the ending keyframe, it’s ignored. This value sets the animation to a slow start then after a time period the speed increases and before it ends the speed again becomes slow. ease is the animation-timing-function property's<easing-function> は CSS のデータ型で、数値が変化する速度を記述する数学的な関数を表します。 この 2 つの値の間の遷移は様々な形で適用される可能性があります。アニメーション中に値が変化する速さを記述するために使用されることがあります。animation-timing-function (en-US): ease; animation-delay: 0s; animation-iteration-count (en-US): 1; animation-direction: normal; animation-fill-mode: none; animation-play-state (en-US): running; animation-timeline (en-US): auto; 적용대상: all elements: 상속: no: 계산 값: as each of the properties of the shorthand: animation-name (en-US. ease (Default) Animation starts slowly, then becomes fast, but ends slowly: linear: Animation speed is the same all the time: ease-in: Animation starts slowly: ease-out: Animation ends slowly: ease-in-out: Animation starts and ends slowly. Easing functions may be specified on individual keyframes in a @keyframes rule. For a keyframed animation, the animation-timing-function applies between keyframes, not over the entire animation. You can also add a class which specifies the iteration count to stop the infinite loop. Use the animation-timing-function property in conjunction with the animation property to specify the timing of an animation. The animation CSS property is a shorthand property for the various animation properties: animation-name, animation-duration, animation-timing-function, animation-delay, animation-iteration-count, animation-direction, animation-fill-mode, and animation-play-state. You may specify multiple easing functions; each one will be applied to the corresponding property as specified by. animation-name: falling, laydown; animation-duration: 2000ms, 1000ms; animation-timing-function: ease-in, ease-out; animation-iteration-count: 1, 1; It is playing the second animation, then the first and finally the second one again. Animation-delay: Delay between the time the element is loaded and the. Without easing our animation looks mechanical. A keyframes object or null. In this playground, both spinners complete 1 full rotation in 2 seconds. As we learned earlier, we see that this results in a value that is also between 0 and 1 (e. – Zaki Mustafa. Instead, use:. GreenSock has a lovely utility method called parseEase. The CSS animation-timing-function defines the pace of your. animation-iteration-count = infinite. If no animation-timing-function is specified on a keyframe, the corresponding value of animation-timing-function from the element to which the animation is applied is used for that keyframe. 4, 0, 1, 1); animation-ease-outSpecifies the duration of the transition. With our animation created, we now just need to apply it to our circles. The default transition-timing-function in CSS (the easing) is ease. You can define a duration in three ways:Lastly, we need to add our animation to the progress bar element, with our keyframe animation as the animation-name. The transition-timing-function property is used to set the speed in which a transition will move. An ease-in timing function becomes ease-out, for example. The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle. The transition-timing-function property specifies the speed curve of the transition effect. The animation has the same speed from start to end: ease: Default value. A cubic Bézier easing function is a type of easing function defined by four real numbers that specify the two control points, P1 and P2, of a cubic Bézier curve whose end points P0 and P3 are fixed at (0, 0) and (1, 1) respectively. Easing functions may be specified on individual keyframes in a @keyframes rule. The W3Schools online code editor allows you to edit code and view the result in your browserThe W3Schools online code editor allows you to edit code and view the result in your browserA new way to define an easing in CSS is with linear(). ease-in: animation. You can create a "fake" delay between infinite animations purely with CSS. ease-in-out. The transition-timing-function property specifies the speed of the transition throughout the element’s duration. The animation-timing-function is specified using a cubic bézier curve, which is defined by four control points; P 0, P 1, P 2, and P 3. By default, CSS will transition your elements at a constant speed (transition-timing. Choose an easing type and test it out with a few effects. This keyframe will be referenced later using the assigned name 'travel' and applied using a linear transition timing function that changes direction with each iteration. ease-in-out will animate the property slowly at the beginning, speed up, then slow down at the end. This, in essence, lets you establish an acceleration curve so that the speed of the transition can vary over its duration. animation-timing-function: linear; The animation has a *constant speed. Animation-timing-function The animation-timing-function: defines the speed curve or pace of the animation. Por ejemplo, no hace falta definir animation-timing-function: ease o animation-delay: 0s, ya que son los valores por defecto. To control an element's transition-timing-function at a specific breakpoint, add a {screen}: prefix to any existing transition-timing-function utility. Overview. Given this, the property transitions from f(i1,i2,…,in) to f(f1,f2,. Easing functions may be specified on individual keyframes in a @keyframes rule. To demonstrate, let’s make 10 values between 0 and 1 with a quadratic function. Honestly, this feels right to me. Other keyword timing functions include ease-in, ease-out, ease-in-out, and linear. The solution is to find such a timing function that would act as the inverse of the original timing function. Values like ease, linear, and ease-in-out modify the timing behavior, allowing you to achieve smooth, snappy, or custom easing effects. ease. Its parameters are: The DOM element to be animated, or null. transition-timing-function. 42,0. Within a keyframe, animation-timing-function is an at-rule-specific. Add the delay after the easing (AKA timing-function) value. 4. For now, we have to fiddle with the percentages of the time to create the custom timing like:For example, you can use the animation-duration class to specify the length of the animation, or the animation-timing-function class to specify an easing function that controls the acceleration of the animation. 32, 1. Here’s the box with the easing function turned on: See the Pen Bouncing Box 2 by Brandon Gregory (@pulpexploder) on CodePen. 2+, Chrome, Firefox 4+, Opera 10. 5s] [animation-timing-function:_linear] I think it's a little odd that Tailwind CSS doesn't include this but here we go. Within a keyframe, animation-timing-function is an at-rule. This acceleration curve is defined using one <easing-function> for each property to be transitioned. @keyframes combined { 16%, 48%, 78% { top: 190px; animation-timing-function: ease-out; } 32% { top: 50px; animation-timing-function: ease-in; } 62% { top: 100px; animation-timing-function: ease-in; } 90% { top:. Los posibles valores son una o varias <timing-function> (en-US). This is similar to ease-in. If no animation-timing-function is specified on a keyframe, the corresponding value of animation-timing-function from the element to which the animation is applied is used for that keyframe. I want to be able to change animation-timing-function and -webkit-animation-timing-function etc. animation-timing-function is never used in Method 2 and Method 3. animation-timing-function: ease-out; } } In this case the first half of the animation will be linear, and the second half would use the ease-out timing function. 16. It defines the total duration of a transition from state A to state B, whether the transition involves scaling, distorting, rotating or modifying the style of an element. ease-in. In this example, the slide animation is applied to a div element, causing it to move back and forth horizontally indefinitely with a duration of 2 seconds and an easing timing function. A linear value is consistent all the way through. 16. ease-out. You can apply CSS to your Pen from any stylesheet on the web. The speed curve is used to. In CSS, cubic-bezier is a timing function that defines the acceleration and deceleration of an animation or transition over time. A transition timing function is a mathematical algorithm that determines how the transition progresses from its initial state to its final state. Total animation time calculated by : 30s * 4 = 120s // 4 images having 30s. As soon as the position of the circle is changed the animation. Notice that both transforms are controlled by the –bounce-distance inside a calc () function and notice that I used a fallback value when calling the custom property. You can read more about this at this site:This effect is applied by using one of the timing functions described in CSS. ease-out: This. Total animation time calculated by : 30s * 4 = 120s // 4 images having 30s. The one problem with this is that it is harder to change the timing. You can apply CSS to your Pen from any stylesheet on the web. It indicates that the interpolation starts slowly, accelerates sharply, and then slows gradually towards the end. The CSS Animations spec says you can specify the interpolation function to use when moving to the next keyframe with the animation-timing-function property of each keyframe. The transition jumps instantly to the final state. Use an animation timing function to control the pace of an animation transition when you call one of an entity’s animated move methods, like move (to:relativeTo:duration:timingFunction:). 25, 1). The animation starts quickly, and decelerates gradually until the end. Example: 1s. By using steps () with an integer, you can define a specific number of steps before reaching the end. 52. The Transition Delay specifies. For example, in the CSS below, blur (5px) is the underlying value, and blur (10px) is the effect value. Ease Out Spacing: The antithesis of ease in style is ease out spacing. The animation-range-start CSS property is used to set the start of an animation's attachment range along its timeline, i. Listing 1 Creating a basic animation with an ease-in-ease-out timing functionResponsive. When it comes to animating elements on a web page, the CSS property animation-timing-function is an another important property to understand. Aside: The spec for keySplines ˆ requires these values to be between 0 and 1. Think how nice it would be to have a simple elastic function that accepts these three arguments and produces a clean and beautiful elastic ease, like so:. That accent color is not used by every user-interface control nor in every state of the control. 0. Hamburger Menu. Here is the code I am trying. Class. Something in the context of CSS timing-functions is always a CSS property that can be animated - that's a property that can be denoted with a numerical value, like: width, height. X軸移動アニメーションでイージングを比較; 5. transition-timing-function Values: ease | linear | ease-in | ease-out | ease-in-out | cubic-bezier(x1, y1, x2, y2) Initial Value: ease Description: The transition-timing-function property describes how the animation will proceed over time. These values is very similar to the transition-timing-function property that I covered in a previous post about animation with the transition. 1. Cú Pháp: animation-timing-function: value; Xem Demo. For example, the linear keyword will animate at an even speed. The easing function will run forwards for half of the duration, then backwards for the rest of the duration. Now, to make the transitions properly parabolic, you need to use parabolic animation-timing-function settings. The ease timing function is the default of any transition in CSS. 0) を表します。. 2% } 100% { offset-distance: 100%; opacity: 0; } }3. Example: ease. If no value is provided, the default value of 0s is used, in which. ease-in-out: With this property value, the animation both starts and ends slow. The non-step keyword values (ease, linear, ease-in-out, etc. The way to do it is smartly define your keyframe animation points and your animation duration speed. Question: Identify an animation property that repeats the animation being played without stopping. They are all combined into a single transition timing string. . Just put a URL to it here and we'll apply it, in the order you have them, before the CSS in the Pen itself. You don’t have to use a single easing for both directions of an animation, you can switch it up; You can change duration also;Home; CSS; CSS Animations; Tryit: Using the animation-timing-function propertyResponsive. 0% {background-color:red;} } I've tried fiddling around with opacity settings with no luck. It is a shorthand for animation-name, animation-duration, animation-timing-function, animation-delay, animation-iteration-count, animation-direction, animation-fill-mode, animation-play-state, and animation-timeline. ease-in-out - starts slowly and ends slowly. The animation attribute in . Just like other CSS properties and modules. Now, you can easily fine-tune your style for the color schemes. com transition-timing-function linear timing function. Check that out: we started with a seemingly basic set of @keyframes and turned it into a full-fledged system for applying interesting animations for elements entering into view. Result: CSS Code: #myDIV { animation-timing-function: ease-out; } Click the property values above to see the result. The animation reverses direction each cycle, with the first iteration being played backwards. Is this possible? The reason why to do this is to synchornize timing in Javascript to an animation. 2. Learn more about TeamsThe animation's timeline is the document's default DocumentTimeline. Use appropriate timing functions: Choose the timing function that matches the desired effect of the transition. The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle. An easy fix is to simply change the timing function to ease. <time>. ease is the animation-timing-function property's こちらはCSSアニメーションのイージングプロパティ（animation-timing-function）で指定可能な値と、比較用の動作サンプル集になります。. 8, . transition-duration accepts time units, either in seconds (s) or milliseconds (ms) and defaults to 0s. And draw can go beyond properties, create new elements for like fireworks animation or something. It is only ever a child of ::view-transition, and has a ::view-transition-image-pair as a child. ease-out. It is similar to the ease-in-out keyword, though it accelerates more sharply at the beginning. For example, here is a slower ease-out timing function: animation-timing-function: cubic-bezier(0, 0, . animation-timing-function: steps (4, end); By using steps () with an integer, you can define a specific number of steps before reaching the end. It can assume the following values: ease - (default) starts slowly, then becomes faster, and ends slowly. In other words, the animation-timing-function property specifies the speed for implementing the animation at various intervals of its duration. ease-out. 25. You don’t necessarily have to simulate ease-in-out manually with percentages. /* @keyframes duration | timing-function | delay | iteration. See animation iteration count for more examples. We set the animation name; duration; iteration count and timing function. ease-in: animation. animation-duration: Sets the length of time that an animation should take to complete one cycle. 背景色変更アニメーションでイージングを比較In This Article. As the name implies, this enables you to set a delay between when the transition is triggered, and when the animation actually begins. Es decir, se aplica al comienzo del. zero or one <easing-function> value representing the easing function to use; zero, one, or two <time> values. my-element { animation-timing-function: steps(10, end); } The first argument is how many. Easing functions may be specified on individual keyframes in a @keyframes rule. 53); transition-duration: 2. example { transition-timing-function: ease-out; } These timing functions are commonly called easing. First image start with 0s (0s - 30s) Second image start with 30s (30s - 60s) Third image start with 60s (60s - 90s)Easing functions may be specified on individual keyframes in a @keyframes rule. Ease #. 7, the easing function scales the value to produce an output progress of 0. 9s;About External Resources. The ease timing function is so nice, perhaps, because it’s a variant of ease-in-out. CSS Syntax animation-timing-function: linear|ease|ease-in|ease-out|ease-in-out|step-start|step-end|steps (int,start|end)|cubic-bezier ( n, n, n, n )|initial|inherit; The animation-timing-function uses a mathematical function, called the Cubic Bezier curve, to make the speed curve. The animation-timing-function is used to determine the timing function applied to each keyframe as defined in § 3 Assembling Keyframes. If you don’t specify animation-timing-function for a keyframe, the default ease is used. I love the classic Penner equations with. Easing functions may be specified on individual keyframes in a @keyframes rule. ease linear ease-in ease-out ease-in-out. The animation-timing-function property also accepts the following functions:. Read about initial: inherit: Inherits this property from its parent element. これは ease-in-out と似ていますが、始めのうちはより急激に加速されます。. To use the ease-in timing function in Core Animation, you can set the timingFunction property to CAMediaTimingFunction(name: . 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