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performance tricks

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This commit is contained in:
Matvey Cherevko
2016-02-05 14:00:06 +06:00
parent 13ca62cfdc
commit d406548240
1 changed files with 24 additions and 6 deletions
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30
Assets/IsoTools/Scripts/IsoWorld.cs
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@@ -468,14 +468,32 @@ namespace IsoTools {
}
void SetupObjectsSectors() {
_sectorsMinNumPos = IsoUtils.Vec2From(float.MaxValue);
_sectorsMaxNumPos = IsoUtils.Vec2From(float.MinValue);
_sectorsMinNumPos = new Vector2(float.MaxValue, float.MaxValue);
_sectorsMaxNumPos = new Vector2(float.MinValue, float.MinValue);
for ( int i = 0, e = _visibles.RawList.Count; i < e; ++i ) {
var iso_internal = _visibles.RawList[i].Internal;
iso_internal.MinSector = IsoUtils.Vec3DivFloor(iso_internal.ScreenRect.min, _sectorsSize);
iso_internal.MaxSector = IsoUtils.Vec3DivCeil (iso_internal.ScreenRect.max, _sectorsSize);
_sectorsMinNumPos = IsoUtils.Vec3Min(_sectorsMinNumPos, iso_internal.MinSector);
_sectorsMaxNumPos = IsoUtils.Vec3Max(_sectorsMaxNumPos, iso_internal.MaxSector);
// high performance tricks
var min_x = iso_internal.ScreenRect.xMin / _sectorsSize;
var min_y = iso_internal.ScreenRect.yMin / _sectorsSize;
var max_x = iso_internal.ScreenRect.xMax / _sectorsSize;
var max_y = iso_internal.ScreenRect.yMax / _sectorsSize;
iso_internal.MinSector.x = (int)(min_x >= 0.0F ? min_x : min_x - 1.0F);
iso_internal.MinSector.y = (int)(min_y >= 0.0F ? min_y : min_y - 1.0F);
iso_internal.MaxSector.x = (int)(max_x >= 0.0F ? max_x + 1.0F : max_x);
iso_internal.MaxSector.y = (int)(max_y >= 0.0F ? max_y + 1.0F : max_y);
if ( _sectorsMinNumPos.x > iso_internal.MinSector.x ) {
_sectorsMinNumPos.x = iso_internal.MinSector.x;
}
if ( _sectorsMinNumPos.y > iso_internal.MinSector.y ) {
_sectorsMinNumPos.y = iso_internal.MinSector.y;
}
if ( _sectorsMaxNumPos.x < iso_internal.MaxSector.x ) {
_sectorsMaxNumPos.x = iso_internal.MaxSector.x;
}
if ( _sectorsMaxNumPos.y < iso_internal.MaxSector.y ) {
_sectorsMaxNumPos.y = iso_internal.MaxSector.y;
}
}
_sectorsNumPosCount = _sectorsMaxNumPos - _sectorsMinNumPos;
}