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animation.js
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animation.js
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ig.module('plugins.joncom.easy-animation-sequence.animation')
.requires('impact.animation')
.defines(function(){ "use strict";
ig.Animation.inject({
init: function(sheet, frameTime, sequence, stop) {
if (typeof(sequence) == "string") {
sequence = this._createArrayOfIntegersFromString(sequence);
}
this.parent(sheet, frameTime, sequence, stop);
},
_createArrayOfIntegersFromString: function(string) {
var sequence = [];
var chunks = string.split(",");
for(var i=0; i<chunks.length; i++) {
var chunk = chunks[i];
var subsequence = this._createArrayOfIntegersFromStringChunk(chunk);
sequence = sequence.concat(subsequence);
}
return sequence;
},
_createArrayOfIntegersFromStringChunk: function(chunk) {
var sequence = [];
var index = chunk.indexOf("-");
if(index === -1) {
// Not a range, just a single number.
var frame = parseInt(chunk, 10);
sequence.push(frame);
} else {
var ranges = chunk.split("-");
ranges = this._parseIntegersInArray(ranges);
for(var i=0; i<(ranges.length-1); i++) {
var a = ranges[i];
var b = ranges[i+1];
if(i !== 0) {
// Prevent duplication of numbers between limits.
a += (a < b ? 1 : -1);
}
var array = this._createArrayOfIntegersFromRange(a, b);
sequence = sequence.concat(array);
}
}
return sequence;
},
_createArrayOfIntegersFromRange: function(a, b) {
var array = [];
var integer = a;
var running = true;
while(running) {
// Have we past the end of the range?
if( (a < b && integer > b) || (a > b && integer < b) ) {
running = false;
continue;
}
array.push(integer);
integer += (a < b ? 1 : -1);
}
return array;
},
_parseIntegersInArray: function(array) {
for(var i=0; i<array.length; i++) {
array[i] = parseInt(array[i], 10);
}
return array;
}
});
});