assets.Layers.js Maven / Gradle / Ivy
function Layers() {
this.layers = [];
this.totalLayers = 0;
this.maximumX = 0;
this.maximumY = 0;
this.getLayerForID = function(id) {
for (var i = 0; i < this.layers.length; i++) {
if (this.layers[i].id == id) {
return this.layers[i];
}
};
return null;
}
this.attach = function( layer) {
this.layers.push(layer);
this.totalLayers++;
if (this.maximumX < layer.x) this.maximumX = layer.x;
if (this.maximumY < layer.y) this.maximumY = layer.y;
}
this.getLayersForY = function(y) {
var result = [];
for (var i = 0; i < this.layers.length; i++) {
if (this.layers[i].y == y) {
result.push(this.layers[i]);
}
}
return result;
}
this.getLayersForX = function (x) {
var result = [];
for (var i = 0; i < this.layers.length; i++) {
if (this.layers[i].x == x) {
result.push(this.layers[i]);
}
}
return result;
}
this.getLayerForXY = function (x, y) {
var layerX = this.getLayersForX(x);
for (var i = 0; i < layerX.length; i++) {
if (layerX[i].y == y) return layerX[i];
}
return null;
}
this.getLayerForYX = function (x, y) {
var layerY = this.getLayersForY(y);
for (var i = 0; i < layerY.length; i++) {
if (layerY[i].x == x) return layerY[i];
}
return null;
}
}