所以我有一個運行頁面的wordpress頁面,它可以讓用戶創建一個可以生成3個代表漫畫的圖像的小漫畫。使用setTimeout運行的JavaScript循環數組undefined undefined
用戶可以自定義人物的頭髮,眼睛,T恤衫5周的方案,然後再進行3個選擇的情況下如何結束之間選擇......
...最終輸出爲3倍的圖像或而是3個分層的png圖片 - 當然選擇的頭髮,眼睛,T恤等等的分層圖片以及任何場景選擇的背景。
這種分層組圖像需要成爲一個共享的形象,所以我決定用html2canvas提供一切可能從選項組合,其中有1260
我要創建的可能的圖像試圖先生成所有這些圖像,因爲html2canvas對於實際使用來說有點麻煩,所以我試圖以編程的方式做到這一點。
圖像生成運行通過我的數組1260可能的組合罰款,直到大約一半的地方,我突然分裂未定義的錯誤,我的代碼首先輸出所有1260指數,所以我可以檢查所有值是好的,一切似乎沒問題,但我我真的很難過。
的JS代碼爲以防萬一,你有你的域是這些圖片如下
// THIS 2D ARRAY IS A REPRESENTATION OF THE POSSIBLE VALUES A USER CAN CHOOSE PER HTML PANEL, AS A USER MAKES A CHOICE THE CURRENT PANEL HIDES AND REVEALS THE NEXT
var allArrays = [['0','1','2','3','4','5','6'], ['1','2'], ['0','1','2','3','4','5'], ['1','2','3','4','5'], ['1','2','3']];
// THIS FUNCTION BELOW USES RECURSION TO RUN THROUGH THE ABOVE ARRAY AND FIND ALL POSSIBLE UNIQUE COMBINATIONS A USER COULD SELECT OF WHICH THERE ARE 1260
function allPossibleCases(arr) {
if (arr.length == 1) {
return arr[0];
} else {
var result = [];
var allCasesOfRest = allPossibleCases(arr.slice(1));
for (var i = 0; i < allCasesOfRest.length; i++) {
for (var j = 0; j < arr[0].length; j++) {
result.push(arr[0][j] + " " + allCasesOfRest[i]);
}
}
return result;
}
}
// BEGIN THE RECURSION AND RETURN 2D ARRAY OF THE RESULTS
var uniqueIds = allPossibleCases(allArrays);
// THE BELOW FLATTENS THE RESULTING 2D ARRAY OUTPUT FROM THE 'allPossibleCases' FUNCTION TO A SINGLE ARRAY WITH ALL 1260
// EACH 1260 INDICES CONTAINS A UNIQUE COMBINATION OF THE NUMBERS BUT AS A STRING WITH SPACES e.g. "0 1 0 1 1", "1 1 0 1 1", "2 1 0 1 1"
var merged = [];
merged = merged.concat.apply(merged, uniqueIds);
// OUTPUT THE FLATTEND ARRAY WITH ALL 1260 VALUES
console.log(merged);
var id1 = 0;
var id2 = 0;
var id3 = 0;
var id4 = 0;
var id5 = 0;
// INCREMENTATION VALUE FOR myTimer FUNCTION
var i = 0;
// THE FUNCTION BELOW STEPS THROUGH EACH OF THE ARRAY ITEMS IN THE 'merged' ARRAY ALL 1260 USING i AS THE INCREMENTOR
function myTimer() {
// FOR EACH INDEX IN THE ARRAY I NEED TO TAKE THE FIVE INDIVIDUAL STRING INTEGERS AND PUSH THEM INTO INDIVIDUAL
// TEXT INPUTS ON MY WEBSITES FRONTEND TO PROGRAMMATICALLY SIMULATE A USER HAVING GONE THROUGH AND MANUALLY MADE THESE CHOICES
// I NEED TO USE JAVASCRIPT SPLIT TO PULL OUT EACH STRING INTEGER SO THAT I CAN USE IT ON MY FRONTEND AND ACHIEVE THIS USER FAKING
var str = merged[i];
console.log('Current render increment = '+i);
console.log('The arrays current increment = '+str);
var res = str.split(" ");
// I CAST THE SPLIT STRING INTEGERS TO PROPER INTEGERS
id1 = parseInt(res[0]);
id2 = parseInt(res[1]);
id3 = parseInt(res[2]);
id4 = parseInt(res[3]);
id5 = parseInt(res[4]);
// NOW I PUSH EACH OF THESE VALUES INTO MY FORM TO FAKE A USER HAVING MADE ONE OF A POTENTIAL 1260 SET OF CHOICES
$('.manualImageGen .hair').val(id1);
$('.manualImageGen .eyes').val(id2);
$('.manualImageGen .outfit').val(id3);
$('.manualImageGen .scenario').val(id4);
$('.manualImageGen .resolution').val(id5);
// THIS LINE FORCES ANGULAR TO UPDATE ITS UI
$('.manualImageGen input').trigger('input');
// THIS IS USED TO TAG THE IMAGE GENERATED BY HTML2CANVAS WITH A UNIQUE ID RELATING TO ONE OF THE 1260
var fileid = res[0]+res[1]+res[2]+res[3]+res[4];
// HTML2CANVAS TAKES A SCREEN SHOT OF THE FINAL IMAGE GENERATED AS A RESULT OF FAKING THE CHOICES THAT WERE GENERATED
html2canvas($('.finalImages'), {
onrendered: function(canvas) {
var data = canvas.toDataURL();
$.ajax({
type: "POST",
url: ajaxurl,
data: {
'action':'nopriv_ra_addrelationstick',
'relStick' : data,
'fileid' : fileid
}
})
.done(function(msg) {
if(msg == "false")
{
alert('Sorry but you need to log in to save your R Stick');
}
});
}
});
if(i <= merged.length-1){
i++;
console.log("Items left to render = "+merged.length--);
}else{
clearInterval(myVar);
}
}
// TRIGGER THE SETTIMEOUT LOOP ONCE PER SECOND TO STOP BROWSER FREEZING AND GIVE HTML2CANVAS TIME TO DO ITS THING
var myVar = setInterval(function() {myTimer()}, 1000);
問題 - 在同一個域中的所有那些PNG圖片?你可以使用Canvas.toDataURL()還是會出現跨域問題?因爲我真的認爲這可以用一個小腳本來完成,而不是這個強大的解決方案。 – ElDoRado1239 2014-12-03 17:09:50
你真的想要減少數組的長度:'merged.length - ' – Jamiec 2014-12-03 17:19:14