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high performance tricks

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This commit is contained in:
Matvey Cherevko
2016-02-02 23:06:30 +06:00
parent fe2092860f
commit 7297a81dea
1 changed files with 14 additions and 12 deletions
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26
Assets/IsoTools/Scripts/IsoWorld.cs
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@@ -361,26 +361,28 @@ namespace IsoTools {
if ( _tmpRenderers.Count < 1 ) {
return IsoUtils.MinMax.zero;
}
var bounds = _tmpRenderers[0].bounds;
var center = bounds.center.z;
var extent = bounds.extents.z;
var minbounds = center - extent;
var maxbounds = center + extent;
var minmax = new IsoUtils.MinMax(center - extent, center + extent);
for ( int i = 1, e = _tmpRenderers.Count; i < e; ++i ) {
// high performance tricks
var bounds = _tmpRenderers[0].bounds;
var center = bounds.center.z;
var extent = bounds.extents.z;
var minbounds = center - extent;
var maxbounds = center + extent;
var result_min = minbounds;
var result_max = maxbounds;
for ( int i = _tmpRenderers.Count - 1; i > 0; --i ) {
bounds = _tmpRenderers[i].bounds;
center = bounds.center.z;
extent = bounds.extents.z;
minbounds = center - extent;
maxbounds = center + extent;
if ( minbounds < minmax.min ) {
minmax.min = minbounds;
if ( minbounds < result_min ) {
result_min = minbounds;
}
if ( maxbounds > minmax.max ) {
minmax.max = maxbounds;
if ( maxbounds > result_max ) {
result_max = maxbounds;
}
}
return minmax;
return new IsoUtils.MinMax(result_min, result_max);
}
bool IsIsoObjectVisible(IsoObject iso_object) {