jquery.easing.1.3.js 7.0 KB

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  1. /*
  2. * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
  3. *
  4. * Uses the built in easing capabilities added In jQuery 1.1
  5. * to offer multiple easing options
  6. *
  7. * TERMS OF USE - jQuery Easing
  8. *
  9. * Open source under the BSD License.
  10. *
  11. * Copyright © 2008 George McGinley Smith
  12. * All rights reserved.
  13. *
  14. * Redistribution and use in source and binary forms, with or without modification,
  15. * are permitted provided that the following conditions are met:
  16. *
  17. * Redistributions of source code must retain the above copyright notice, this list of
  18. * conditions and the following disclaimer.
  19. * Redistributions in binary form must reproduce the above copyright notice, this list
  20. * of conditions and the following disclaimer in the documentation and/or other materials
  21. * provided with the distribution.
  22. *
  23. * Neither the name of the author nor the names of contributors may be used to endorse
  24. * or promote products derived from this software without specific prior written permission.
  25. *
  26. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  27. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  28. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  29. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  30. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  31. * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  32. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  33. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  34. * OF THE POSSIBILITY OF SUCH DAMAGE.
  35. *
  36. */
  37. // t: current time, b: begInnIng value, c: change In value, d: duration
  38. jQuery.easing['jswing']=jQuery.easing['swing'];jQuery.extend(jQuery.easing,{def:'easeOutQuad',swing:function(x,t,b,c,d){return jQuery.easing[jQuery.easing.def](x,t,b,c,d);},easeInQuad:function(x,t,b,c,d){return c*(t/=d)*t+b;},easeOutQuad:function(x,t,b,c,d){return-c*(t/=d)*(t-2)+b;},easeInOutQuad:function(x,t,b,c,d){if((t/=d/2)<1)return c/2*t*t+b;return-c/2*((--t)*(t-2)-1)+b;},easeInCubic:function(x,t,b,c,d){return c*(t/=d)*t*t+b;},easeOutCubic:function(x,t,b,c,d){return c*((t=t/d-1)*t*t+1)+b;},easeInOutCubic:function(x,t,b,c,d){if((t/=d/2)<1)return c/2*t*t*t+b;return c/2*((t-=2)*t*t+2)+b;},easeInQuart:function(x,t,b,c,d){return c*(t/=d)*t*t*t+b;},easeOutQuart:function(x,t,b,c,d){return-c*((t=t/d-1)*t*t*t-1)+b;},easeInOutQuart:function(x,t,b,c,d){if((t/=d/2)<1)return c/2*t*t*t*t+b;return-c/2*((t-=2)*t*t*t-2)+b;},easeInQuint:function(x,t,b,c,d){return c*(t/=d)*t*t*t*t+b;},easeOutQuint:function(x,t,b,c,d){return c*((t=t/d-1)*t*t*t*t+1)+b;},easeInOutQuint:function(x,t,b,c,d){if((t/=d/2)<1)return c/2*t*t*t*t*t+b;return c/2*((t-=2)*t*t*t*t+2)+b;},easeInSine:function(x,t,b,c,d){return-c*Math.cos(t/d*(Math.PI/2))+c+b;},easeOutSine:function(x,t,b,c,d){return c*Math.sin(t/d*(Math.PI/2))+b;},easeInOutSine:function(x,t,b,c,d){return-c/2*(Math.cos(Math.PI*t/d)-1)+b;},easeInExpo:function(x,t,b,c,d){return(t==0)?b:c*Math.pow(2,10*(t/d-1))+b;},easeOutExpo:function(x,t,b,c,d){return(t==d)?b+c:c*(-Math.pow(2,-10*t/d)+1)+b;},easeInOutExpo:function(x,t,b,c,d){if(t==0)return b;if(t==d)return b+c;if((t/=d/2)<1)return c/2*Math.pow(2,10*(t-1))+b;return c/2*(-Math.pow(2,-10*--t)+2)+b;},easeInCirc:function(x,t,b,c,d){return-c*(Math.sqrt(1-(t/=d)*t)-1)+b;},easeOutCirc:function(x,t,b,c,d){return c*Math.sqrt(1-(t=t/d-1)*t)+b;},easeInOutCirc:function(x,t,b,c,d){if((t/=d/2)<1)return-c/2*(Math.sqrt(1-t*t)-1)+b;return c/2*(Math.sqrt(1-(t-=2)*t)+1)+b;},easeInElastic:function(x,t,b,c,d){var s=1.70158;var p=0;var a=c;if(t==0)return b;if((t/=d)==1)return b+c;if(!p)p=d*.3;if(a<Math.abs(c)){a=c;var s=p/4;}
  39. else var s=p/(2*Math.PI)*Math.asin(c/a);return-(a*Math.pow(2,10*(t-=1))*Math.sin((t*d-s)*(2*Math.PI)/p))+b;},easeOutElastic:function(x,t,b,c,d){var s=1.70158;var p=0;var a=c;if(t==0)return b;if((t/=d)==1)return b+c;if(!p)p=d*.3;if(a<Math.abs(c)){a=c;var s=p/4;}
  40. else var s=p/(2*Math.PI)*Math.asin(c/a);return a*Math.pow(2,-10*t)*Math.sin((t*d-s)*(2*Math.PI)/p)+c+b;},easeInOutElastic:function(x,t,b,c,d){var s=1.70158;var p=0;var a=c;if(t==0)return b;if((t/=d/2)==2)return b+c;if(!p)p=d*(.3*1.5);if(a<Math.abs(c)){a=c;var s=p/4;}
  41. else var s=p/(2*Math.PI)*Math.asin(c/a);if(t<1)return-.5*(a*Math.pow(2,10*(t-=1))*Math.sin((t*d-s)*(2*Math.PI)/p))+b;return a*Math.pow(2,-10*(t-=1))*Math.sin((t*d-s)*(2*Math.PI)/p)*.5+c+b;},easeInBack:function(x,t,b,c,d,s){if(s==undefined)s=1.70158;return c*(t/=d)*t*((s+1)*t-s)+b;},easeOutBack:function(x,t,b,c,d,s){if(s==undefined)s=1.70158;return c*((t=t/d-1)*t*((s+1)*t+s)+1)+b;},easeInOutBack:function(x,t,b,c,d,s){if(s==undefined)s=1.70158;if((t/=d/2)<1)return c/2*(t*t*(((s*=(1.525))+1)*t-s))+b;return c/2*((t-=2)*t*(((s*=(1.525))+1)*t+s)+2)+b;},easeInBounce:function(x,t,b,c,d){return c-jQuery.easing.easeOutBounce(x,d-t,0,c,d)+b;},easeOutBounce:function(x,t,b,c,d){if((t/=d)<(1/2.75)){return c*(7.5625*t*t)+b;}else if(t<(2/2.75)){return c*(7.5625*(t-=(1.5/2.75))*t+.75)+b;}else if(t<(2.5/2.75)){return c*(7.5625*(t-=(2.25/2.75))*t+.9375)+b;}else{return c*(7.5625*(t-=(2.625/2.75))*t+.984375)+b;}},easeInOutBounce:function(x,t,b,c,d){if(t<d/2)return jQuery.easing.easeInBounce(x,t*2,0,c,d)*.5+b;return jQuery.easing.easeOutBounce(x,t*2-d,0,c,d)*.5+c*.5+b;}});
  42. /*
  43. *
  44. * TERMS OF USE - EASING EQUATIONS
  45. *
  46. * Open source under the BSD License.
  47. *
  48. * Copyright © 2001 Robert Penner
  49. * All rights reserved.
  50. *
  51. * Redistribution and use in source and binary forms, with or without modification,
  52. * are permitted provided that the following conditions are met:
  53. *
  54. * Redistributions of source code must retain the above copyright notice, this list of
  55. * conditions and the following disclaimer.
  56. * Redistributions in binary form must reproduce the above copyright notice, this list
  57. * of conditions and the following disclaimer in the documentation and/or other materials
  58. * provided with the distribution.
  59. *
  60. * Neither the name of the author nor the names of contributors may be used to endorse
  61. * or promote products derived from this software without specific prior written permission.
  62. *
  63. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  64. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  65. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  66. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  67. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  68. * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  69. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  70. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  71. * OF THE POSSIBILITY OF SUCH DAMAGE.
  72. *
  73. */