COAP:COAP-3000/week5: Difference between revisions
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|is_part_of_syllabus=COAP:COAP-3000 | |is_part_of_syllabus=COAP:COAP-3000 | ||
|do_not_show_sub_page=No | |do_not_show_sub_page=No | ||
|page_previous=COAP:COAP-3000/ | |page_previous=COAP:COAP-3000/week4 | ||
|page_next=COAP:COAP-3000/ | |page_next=COAP:COAP-3000/week6 | ||
| | |objective=create animations with GSAP, | ||
use jQuery to get a handle on elements | |||
|cat_syllabus=COAP-3000 | |cat_syllabus=COAP-3000 | ||
}} | }} | ||
== Monday == | == Monday == | ||
=== | === The GSAP library === | ||
The GreenSock Animation Platform ('''GSAP''') is a powerful and relatively easy to use suite of animation libraries for [[HTML5]]. As of April 2018, it includes: | The GreenSock Animation Platform ('''GSAP''') is a powerful and relatively easy to use suite of animation libraries for [[HTML5]]. As of April 2018, it includes: | ||
Line 20: | Line 20: | ||
In this class, we will work with TweenMax. | In this class, we will work with TweenMax. | ||
* Either download it from [ here] or | * Either download it from [https://greensock.com/tweenmax here] or | ||
* include the library as CDN, like this: | * include the library as CDN, like this: | ||
<source lang="HTML5"> | |||
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.20.3/TweenMax.min.js"></script> | |||
</source> | |||
=== Creating animations with TweenMax and TweenLite === | |||
There are are two ways of creating animations: | |||
* Use a simple static method like <code> Tweenlite.to </code>. e..g | |||
<source lang="JavaScript"> | |||
TweenLite.to(thing, 2, {left:"542px"}); | |||
</source> | |||
* Create a tweening object that you then can control with various methods. | |||
<source lang="JavaScript"> | <source lang="JavaScript"> | ||
var tween = new TweenLite (thing, 2, {left:"542px"}); | |||
tween.play(); | |||
</source> | </source> | ||
=== Hands on === | === Hands on === | ||
* https://greensock.com/jump-start-js | |||
Also on codepen | |||
* https://codepen.io/collection/ifybJ/# | |||
=== Simple example === | |||
Also: https://codepen.io/danielkschneider/pen/LdKKLx | |||
<source lang="HTML5"> | |||
<!DOCTYPE html> | |||
<html> | |||
<head> | |||
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> | |||
<title>GreenSock: Animate Multiple Properties</title> | |||
<style> | |||
body { | |||
background-color: #000; | |||
} | |||
#demo { | |||
width: 692px; | |||
height: 70px; | |||
background-color: #333; | |||
padding: 8px; | |||
} | |||
#logo { | |||
position: relative; | |||
width: 150px; | |||
height: 60px; | |||
/* background: #90E500 url(img/logo_transparent.png) no-repeat; */ | |||
background-color: green; | |||
color: #000; | |||
font-family: Arial, Helvetica, sans-serif; | |||
border-bottom: solid #000 10px; | |||
} | |||
#logo p { | |||
margin-top: 0px; | |||
margin-left: 50px; | |||
line-height: 60px; | |||
} | |||
</style> | |||
</head> | |||
<body> | |||
<div id="demo"> | |||
<div> | |||
<input id="btn" type="button" value="click" /> | |||
<input id="btn2" type="button" value="back" /> | |||
</div> | |||
<div id="logo"> | |||
<p>COAP 3000</p> | |||
</div> | |||
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.20.3/TweenMax.min.js"></script> | |||
<script> | |||
//we'll use a window.onload for simplicity, but typically it is best to use either jQuery's $(document).ready() or $(window).load() or cross-browser event listeners so that you're not limited to one. | |||
window.onload = function() { | |||
var logo = document.getElementById("logo"); | |||
var btn = document.getElementById("btn"); | |||
var btn2 = document.getElementById("btn2"); | |||
btn.onclick = animate; | |||
btn2.onclick = animateback; | |||
}; | |||
function animate() { | |||
TweenLite.to(logo, 2, { | |||
left: "542px", | |||
backgroundColor: "black", | |||
borderBottomColor: "#90e500", | |||
color: "white" | |||
}); | |||
} | |||
function animateback() { | |||
// using object syntax | |||
var motion = new TweenLite(logo, 2, { | |||
left: "0px", | |||
backgroundColor: "red", | |||
borderBottomColor: "#90e500", | |||
color: "white", | |||
rotation: "180" | |||
}); | |||
motion.play(); | |||
var motion2 = new TweenLite(logo, 2, { | |||
rotation: "360", | |||
backgroundColor: "green" | |||
}); | |||
// add motion 2 after motion 1 | |||
motion2.delay(3); | |||
} | |||
</script> | |||
</div> | |||
</body> | |||
</html> | |||
</source> | |||
== Wednesday == | == Wednesday == | ||
* GSAP continued | |||
* Midterm (1hour) | |||
=== Motion animation with GSAP === | |||
* https://codepen.io/danielkschneider/pen/EEqeJE | |||
HTML fragment | |||
<source lang="HTML5"> | |||
<div id="universe"> | |||
<img id="mc" src="https://openclipart.org/download/261329/Rocket-ship-Clip-Art.svg" height="100px" alt="a rocket" /> | |||
<div id="pad"></div> | |||
</div> | |||
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.20.3/TweenMax.min.js"></script> | |||
</source> | |||
CSS: | |||
<source lang="HTML5"> | |||
#universe { | |||
position: absolute; | |||
background-color: lightblue; | |||
height: 400px; | |||
width: 800px; | |||
} | |||
#mc { | |||
position: absolute; | |||
top: 290px; | |||
left: 10px; | |||
} | |||
#pad { | |||
position: absolute; | |||
top: 390px; left:10px; | |||
background-color: green; | |||
height: 10px; | |||
width: 2cm; | |||
} | |||
</source> | |||
JavaScript: | |||
<source lang="JavaScript"> | |||
var rocket = document.getElementById("mc"); | |||
console.log("rocket=", rocket); | |||
var anim = new TweenMax(rocket, 10, { | |||
bezier: { | |||
autoRotate: false, | |||
values: [ | |||
{ x: 20, y: -300 }, | |||
{ x: 99, y: -223 }, | |||
{ x: 200, y: -89 }, | |||
{ x: 300, y: -231 }, | |||
{ x: 400, y: -99 }, | |||
{ x: 500, y: -217 }, | |||
{ x: 500, y: 0} | |||
] | |||
}, | |||
paused: true, | |||
ease: Bounce.easeOut | |||
}); | |||
rocket.onclick = function() { | |||
anim.restart(); | |||
console.log("clicked rocket"); | |||
}; | |||
document.getElementById("pad").onclick = function() { | |||
console.log("clicked pad"); | |||
TweenMax.to(mc, 5, { x: 0, y: 0}); | |||
}; | |||
</source> | |||
== Project 5 == | |||
Create an animation with the GSAP library. | |||
Code reuse: | |||
* You are allowed to reuse code from other developers under the condition that you cite the source, that you make adaptations and that you understand what the code does. | |||
Requirements: | |||
* At least three animations | |||
* A start and a stop button for at least one animation. | |||
* A report in video or text format | |||
Due: | |||
* Wednesday, week 6 before class | |||
* Upload to the worldclassroom | |||
== Links == | |||
* [https://greensock.com/docs Documentation home] | |||
* [https://greensock.com/get-started-js Getting Started with GSAP (GreenSock Animation Platform)], including the [https://greensock.com/jump-start-js JumpStart GSAP JS] shown in class. | |||
* [https://greensock.com/blog/ Blog] (includes tips and examples) | |||
* [https://greensock.com/ease-visualizer Ease visualizer]. Allows picking an easing function. |
Latest revision as of 18:05, 16 May 2018
Monday
The GSAP library
The GreenSock Animation Platform (GSAP) is a powerful and relatively easy to use suite of animation libraries for HTML5. As of April 2018, it includes:
- TweenLite -handles animating just about any property of any object.
- TweenMax - adds some extras.
- TimelineLite a container for tweens to control them as a whole and precisely manage their timing in relation to each other
- TimelineMax - adds some extras.
In this class, we will work with TweenMax.
- Either download it from here or
- include the library as CDN, like this:
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.20.3/TweenMax.min.js"></script>
Creating animations with TweenMax and TweenLite
There are are two ways of creating animations:
- Use a simple static method like
Tweenlite.to
. e..g
TweenLite.to(thing, 2, {left:"542px"});
- Create a tweening object that you then can control with various methods.
var tween = new TweenLite (thing, 2, {left:"542px"});
tween.play();
Hands on
Also on codepen
Simple example
Also: https://codepen.io/danielkschneider/pen/LdKKLx
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>GreenSock: Animate Multiple Properties</title>
<style>
body {
background-color: #000;
}
#demo {
width: 692px;
height: 70px;
background-color: #333;
padding: 8px;
}
#logo {
position: relative;
width: 150px;
height: 60px;
/* background: #90E500 url(img/logo_transparent.png) no-repeat; */
background-color: green;
color: #000;
font-family: Arial, Helvetica, sans-serif;
border-bottom: solid #000 10px;
}
#logo p {
margin-top: 0px;
margin-left: 50px;
line-height: 60px;
}
</style>
</head>
<body>
<div id="demo">
<div>
<input id="btn" type="button" value="click" />
<input id="btn2" type="button" value="back" />
</div>
<div id="logo">
<p>COAP 3000</p>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.20.3/TweenMax.min.js"></script>
<script>
//we'll use a window.onload for simplicity, but typically it is best to use either jQuery's $(document).ready() or $(window).load() or cross-browser event listeners so that you're not limited to one.
window.onload = function() {
var logo = document.getElementById("logo");
var btn = document.getElementById("btn");
var btn2 = document.getElementById("btn2");
btn.onclick = animate;
btn2.onclick = animateback;
};
function animate() {
TweenLite.to(logo, 2, {
left: "542px",
backgroundColor: "black",
borderBottomColor: "#90e500",
color: "white"
});
}
function animateback() {
// using object syntax
var motion = new TweenLite(logo, 2, {
left: "0px",
backgroundColor: "red",
borderBottomColor: "#90e500",
color: "white",
rotation: "180"
});
motion.play();
var motion2 = new TweenLite(logo, 2, {
rotation: "360",
backgroundColor: "green"
});
// add motion 2 after motion 1
motion2.delay(3);
}
</script>
</div>
</body>
</html>
Wednesday
- GSAP continued
- Midterm (1hour)
Motion animation with GSAP
HTML fragment
<div id="universe">
<img id="mc" src="https://openclipart.org/download/261329/Rocket-ship-Clip-Art.svg" height="100px" alt="a rocket" />
<div id="pad"></div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.20.3/TweenMax.min.js"></script>
CSS:
#universe {
position: absolute;
background-color: lightblue;
height: 400px;
width: 800px;
}
#mc {
position: absolute;
top: 290px;
left: 10px;
}
#pad {
position: absolute;
top: 390px; left:10px;
background-color: green;
height: 10px;
width: 2cm;
}
JavaScript:
var rocket = document.getElementById("mc");
console.log("rocket=", rocket);
var anim = new TweenMax(rocket, 10, {
bezier: {
autoRotate: false,
values: [
{ x: 20, y: -300 },
{ x: 99, y: -223 },
{ x: 200, y: -89 },
{ x: 300, y: -231 },
{ x: 400, y: -99 },
{ x: 500, y: -217 },
{ x: 500, y: 0}
]
},
paused: true,
ease: Bounce.easeOut
});
rocket.onclick = function() {
anim.restart();
console.log("clicked rocket");
};
document.getElementById("pad").onclick = function() {
console.log("clicked pad");
TweenMax.to(mc, 5, { x: 0, y: 0});
};
Project 5
Create an animation with the GSAP library.
Code reuse:
- You are allowed to reuse code from other developers under the condition that you cite the source, that you make adaptations and that you understand what the code does.
Requirements:
- At least three animations
- A start and a stop button for at least one animation.
- A report in video or text format
Due:
- Wednesday, week 6 before class
- Upload to the worldclassroom
Links
- Documentation home
- Getting Started with GSAP (GreenSock Animation Platform), including the JumpStart GSAP JS shown in class.
- Blog (includes tips and examples)
- Ease visualizer. Allows picking an easing function.