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Removed easing formulas and placed them as a plugin under interface

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This commit is contained in:
Stefan Petre 2007-01-05 22:00:48 +00:00
parent 887b890fa6
commit 645570310b
1 changed files with 512 additions and 621 deletions
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111
src/fx/fx.js
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@ -499,7 +499,7 @@ jQuery.extend({
// Figure out where in the animation we are and set the number // Figure out where in the animation we are and set the number
var p = n / z.o.duration; var p = n / z.o.duration;
//if the easing function exists then use it else use default linear easing //if the easing function exists then use it else use default linear easing
if (jQuery.easing[z.o.easing]) if (jQuery.easing && jQuery.easing[z.o.easing])
z.now = jQuery.easing[z.o.easing](p, n, firstNum, (lastNum-firstNum), z.o.duration); z.now = jQuery.easing[z.o.easing](p, n, firstNum, (lastNum-firstNum), z.o.duration);
else else
z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum; z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum;
@ -509,114 +509,5 @@ jQuery.extend({
} }
}; };
},
/**
*
* @param Integer p period step in animation
* @param Integer n current time
* @param Mixed firstNum begin value
* @param Mixed delta change in
* @param Integer duration duration
*/
easing : {
linear: function(p, n, firstNum, delta, duration) {
return ((-Math.cos(p*Math.PI)/2) + 0.5) * delta + firstNum;
},
easein: function(p, n, firstNum, delta, duration) {
return delta*(n/=duration)*n*n + firstNum;
},
easeout: function(p, n, firstNum, delta, duration) {
return -delta * ((n=n/duration-1)*n*n*n - 1) + firstNum;
},
easeboth: function(p, n, firstNum, delta, duration) {
if ((n/=duration/2) < 1)
return delta/2*n*n*n*n + firstNum;
return -delta/2 * ((n-=2)*n*n*n - 2) + firstNum;
},
bounceout: function(p, n, firstNum, delta, duration) {
if ((n/=duration) < (1/2.75)) {
return delta*(7.5625*n*n) + firstNum;
} else if (n < (2/2.75)) {
return delta*(7.5625*(n-=(1.5/2.75))*n + .75) + firstNum;
} else if (n < (2.5/2.75)) {
return delta*(7.5625*(n-=(2.25/2.75))*n + .9375) + firstNum;
} else {
return delta*(7.5625*(n-=(2.625/2.75))*n + .984375) + firstNum;
} }
},
bouncein: function(p, n, firstNum, delta, duration) {
if (jQuery.easing.bounceout)
return delta - jQuery.easing.bounceout (p, duration - n, 0, delta, duration) + firstNum;
return firstNum + delta;
},
bounceboth: function(p, n, firstNum, delta, duration) {
if (jQuery.easing.bouncein && jQuery.easing.bounceout)
if (n < duration/2)
return jQuery.easing.bouncein(p, n*2, 0, delta, duration) * .5 + firstNum;
return jQuery.easing.bounceout(p, n*2-duration, 0, delta, duration) * .5 + delta*.5 + firstNum;
return firstNum + delta;
},
elasticin: function(p, n, firstNum, delta, duration) {
var a, s;
if (n == 0)
return firstNum;
if ((n/=duration)==1)
return firstNum+delta;
a = delta * 0.3;
p=duration*.3;
if (a < Math.abs(delta)) {
a=delta;
s=p/4;
} else {
s = p/(2*Math.PI) * Math.asin (delta/a);
}
return -(a*Math.pow(2,10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )) + firstNum;
},
elasticout:function(p, n, firstNum, delta, duration) {
var a, s;
if (n==0)
return firstNum;
if ((n/=duration/2)==2)
return firstNum + delta;
a = delta * 0.3;
p=duration*.3;
if (a < Math.abs(delta)){
a = delta;
s=p/4;
} else {
s = p/(2*Math.PI) * Math.asin (delta/a);
}
return a*Math.pow(2,-10*n) * Math.sin( (n*duration-s)*(2*Math.PI)/p ) + delta + firstNum;
},
elasticboth: function(p, n, firstNum, delta, duration) {
var a, s;
if (n==0)
return firstNum;
if ((n/=duration/2)==2)
return firstNum + delta;
a = delta * 0.3;
p=duration*.3;
if (a < Math.abs(delta)){
a = delta;
s=p/4;
} else {
s = p/(2*Math.PI) * Math.asin (delta/a);
}
if (n < 1) {
return -.5*(a*Math.pow(2,10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )) + firstNum;
}
return a*Math.pow(2,-10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )*.5 + delta + firstNum;
}
}
}); });