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Fix marker/player world-to-map coordinate transform in hdmap.js

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This commit is contained in:
Mike Primm 2011-07-09 18:04:42 -05:00
parent 02329673b2
commit 874bf9da8d
1 changed files with 7 additions and 1 deletions
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8
web/js/hdmap.js
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@ -1,6 +1,7 @@
function HDProjection() {}
HDProjection.prototype = {
extrazoom: 0,
worldtomap: null,
fromLatLngToPoint: function(latLng) {
return new google.maps.Point(latLng.lng()*config.tileWidth, latLng.lat()*config.tileHeight);
},
@ -8,7 +9,11 @@ HDProjection.prototype = {
return new google.maps.LatLng( point.y/config.tileHeight, point.x/config.tileWidth);
},
fromWorldToLatLng: function(x, y, z) {
return new google.maps.LatLng(-z / config.tileWidth / (1 << this.extrazoom), x / config.tileHeight / (1 << this.extrazoom));
var wtp = this.worldtomap;
var xx = x*wtp[0] + y*wtp[1] + z*wtp[2];
var yy = x*wtp[3] + y*wtp[4] + z*wtp[5];
return new google.maps.LatLng(-yy / config.tileHeight / (1 << this.extrazoom), xx / config.tileWidth / (1 << this.extrazoom));
}
};
@ -69,6 +74,7 @@ HDMapType.prototype = $.extend(new DynMapType(), {
var size;
var extrazoom = this.mapzoomout;
this.projection.extrazoom = extrazoom;
this.projection.worldtomap = this.worldtomap;
this.maxZoom = 2 + extrazoom;
if (zoom <= extrazoom) {
size = 128;