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我可以根據公式Drawing Isometric game worlds來繪製我的地圖。但是如何根據地圖圖層div上的位置找到一個圖塊的x-y?如何將x-y位置轉換爲等角拼貼的x-y平鋪?
爲了清楚起見,我的瓷磚的左側樣式爲1036px,頂部樣式爲865px。根據這些css屬性,如何根據地圖找到瓦片的x和y位置?
瓷磚寬度是200,高度是100.
非常感謝。
我的JavaScript代碼是這樣的:
this.drawTiles = function(min_x, max_x, min_y, max_y) {
if (min_x < 0) min_x = 0;
if (min_y < 0) min_y = 0;
if (max_x < 0) max_x = thisObj.MAXSIZE;
if (max_y < 0) max_y = thisObj.MAXSIZE;
if (max_x > this.mapSize - 1) max_x = this.mapSize - 1;
if (max_y > this.mapSize - 1) max_y = this.mapSize - 1;
if (min_x < this.mapSize - 1) min_x = max_x - thisObj.MAXSIZE;
if (min_y < this.mapSize - 1) min_y = max_y - thisObj.MAXSIZE;
var appendLayer = thisObj.maplayer;
this.capMapDataObj.getTiles(min_x, max_x, min_y, max_y, function(JSONResp) {
var tiles = JSON.parse(JSONResp);
for (var x=min_x; x<max_x+1; x++) {
for (var y=min_y; y<max_y+1; y++) {
var tile = tiles[x][y];
var xpos = (y * thisObj.tile_width/2) + (x * thisObj.tile_width/2);
var ypos = (x * thisObj.tile_height/2) - (y * thisObj.tile_height/2);
var zin1 = 100 + parseInt(x) + parseInt(y);
var elem = '<div style="position:absolute;top:'+ypos+'px;left:'+xpos+'px;z-index:'+zin1+';width:200px;height:200px;background-image:url(images/'+tile[4]+');background-position:bottom;background-repeat:no-repeat;bottom:0px;text-align:center;" id="'+x+'_'+y+'"><div style="padding-top:140px;">'+x+' - '+y+'</div></div>\n';
if (document.getElementById(x+'_'+y) == undefined)
$(elem).appendTo(appendLayer);
}
}
});
}
所以XPOS和ypos變量各自磚層的CSS位置。當我點擊地圖圖層時,我想計算瓦片的等距x-y座標。
您能否提供更多關於您使用哪種算法的信息?關聯的問題提到了幾個。 – Appleman1234 2012-03-12 12:56:27