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Lesson 17

This document provides an overview of CSS3 transitions and animations for front-end web development. It discusses how to use CSS3 transitions to gradually change styles between elements without JavaScript. It also covers how to create animations in CSS3 using @keyframes to control steps and binding animations to selectors using properties like animation-name and animation-duration. Examples are provided to demonstrate transitions and animations. The document concludes with information on using Animate.css for easy CSS3 animations and an egg drop game lab assignment.

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Front-End Web Development Lesson 17 Animation
Agenda ● Review ● CSS3 Transitions ● CSS3 Animations ● Animate.css ● Lab - Egg Drop Game
Review Application Form To Do List
CSS3 Transitions With CSS3, we can add an effect when changing from one style to another … ● without using Flash animations ● without using JavaScript
CSS3 Transitions CSS3 transitions are effects that let an element gradually change from one style to another.
CSS3 Transitions Must specify two things: ● the CSS property you want to add an effect to ● the duration of the effect
CSS3 Transitions Note: If duration is not specified, the transition will have no effect. Why? The default value is 0.
CSS3 Transitions properties ● transition ● transition-delay ● transition-duration ● transition-property ● transition-timing-function
CSS3 Transitions properties ● transition -- a shorthand property for setting the four transition properties into a single property
CSS3 Transitions properties ● transition-delay -- specifies when the transition effect will start
CSS3 Transitions properties ● transition-duration -- specifies how many seconds or milliseconds a transition effect takes to complete
CSS3 Transitions properties ● transition-property -- specifies the name of the CSS property the transition effect is for
CSS3 Transitions properties ● transition-timing-function -- specifies the speed curve of the transition effect
CSS3 Transitions WebKit-based browsers ● Safari ● Chrome (until version 28) complete list of browsers complete list of WebKit CSS properties
CSS3 Transitions Example: transition_1.html
CSS3 Transitions Example: Making Multiple Changes To add transition effects for more than one CSS property, separate the properties with a comma. transition_2.html
CSS3 Transitions Example: Using Individual Properties transition_3a.html Example: Combining Individual Properties transition_3b.html
CSS3 Animations With CSS3, we can create animations which can replace … ● Flash animations ● animated images ● JavaScripts ... in existing web pages.
CSS3 Animations An animation lets an element gradually change from one style to another. You can change as many properties you want, as many times you want.
CSS3 Animations You can specify when the change will happen in percent, or you can use the keywords "from" and "to" (which represents 0% and 100%). ● 0% represents the start of the animation ● 100% is when the animation is complete
CSS3 Animations When an animation is created in the @keyframe rule, you must bind it to a selector, otherwise the animation will have no effect.
CSS3 Animations Bind the animation to a selector (element) by specifying at least these two properties: ● the name of the animation ● the duration of the animation
CSS3 Animations properties ● @keyframes ● animation ● animation-delay ● animation-direction ● animation-duration
CSS3 Animations properties ● @keyframes -- controls the intermediate steps in a CSS animation sequence by establishing keyframes (or waypoints) along the animation sequence
CSS3 Animations properties ● animation -- a shorthand property for setting all the animation properties, except ○ animation-play-state ○ animation-fill-mode
CSS3 Animations properties ● animation-delay -- specifies when the animation will start
CSS3 Animations properties ● animation-direction -- specifies whether or not the animation should play in reverse on alternate cycles
CSS3 Animations properties ● animation-duration -- specifies how many seconds or milliseconds an animation takes to complete one cycle
CSS3 Animations more properties ● animation-fill-mode ● animation-iteration-count ● animation-name ● animation-play-state ● animation-timing-function
CSS3 Animations more properties ● animation-fill-mode -- specifies what styles will apply for the element when the animation is not playing .. ○ when it is finished, or ○ when it has a "delay"
CSS3 Animations more properties ● animation-iteration-count -- specifies the number of times an animation should be played
CSS3 Animations more properties ● animation-name -- specifies the name of the @keyframes animation
CSS3 Animations more properties ● animation-play-state -- specifies whether the animation is running or paused
CSS3 Animations more properties ● animation-timing-function -- specifies the speed curve of the animation
CSS3 Animations Example: animation_1.html
CSS3 Animations Example: Change the background color when the animation is 25%, and 50%, and again when the animation is 100% complete. animation_2.html
CSS3 Animations Example: Change the background color and the position when the animation is 25%, 50%, 75%, and again when the animation is 100% complete: animation_3.html
CSS3 Animations Example: Using seven animation properties animation_4a.html animation_4b.html
CSS3 Transitions Just-add-water CSS animations with Animate. css Easy CSS3 Animation with Animate.css How To Use Animate.css
Lab Egg Drop Game ● work in teams of two