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finish chat feature; hide low level portal on zoom out; introduce render limit

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This commit is contained in:
Stefan Breunig
2013-02-04 02:52:24 +01:00
parent ecfaca7f9b
commit f92c963a54
9 changed files with 639 additions and 310 deletions
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15
code/utils_misc.js
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@ -107,11 +107,26 @@ window.getPaddedBounds = function() {
});
}
if(window._storedPaddedBounds) return window._storedPaddedBounds;
var p = window.map.getBounds().pad(VIEWPORT_PAD_RATIO);
window._storedPaddedBounds = p;
return p;
}
window.renderLimitReached = function() {
if(Object.keys(portals).length >= MAX_DRAWN_PORTALS) return true;
if(Object.keys(links).length >= MAX_DRAWN_LINKS) return true;
if(Object.keys(fields).length >= MAX_DRAWN_FIELDS) return true;
return false;
}
window.getMinPortalLevel = function() {
var z = map.getZoom();
if(z >= 16) return 0;
var conv = ['impossible', 8,7,7,6,6,5,5,4,4,3,3,2,2,1,1];
return conv[z];
}
// returns number of pixels left to scroll down before reaching the
// bottom. Works similar to the native scrollTop function.