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AxisAlignedBB: added epsilon for floating-point comparison (#2101)

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This fixes bugs where, for example, one cannot place a block below oneself at y=7.0.
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Dylan K. Taylor 2018-03-14 16:52:05 +00:00 committed by GitHub
parent fa644edef3
commit 95fb1d1602
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1 changed files with 6 additions and 4 deletions
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10
src/pocketmine/math/AxisAlignedBB.php
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@ -282,12 +282,14 @@ class AxisAlignedBB{
* Returns whether any part of the specified AABB is inside (intersects with) this one.
*
* @param AxisAlignedBB $bb
* @param float $epsilon
*
* @return bool
*/
public function intersectsWith(AxisAlignedBB $bb) : bool{
if($bb->maxX > $this->minX and $bb->minX < $this->maxX){
if($bb->maxY > $this->minY and $bb->minY < $this->maxY){
return $bb->maxZ > $this->minZ and $bb->minZ < $this->maxZ;
public function intersectsWith(AxisAlignedBB $bb, float $epsilon = 0.00001) : bool{
if($bb->maxX - $this->minX > $epsilon and $this->maxX - $bb->minX > $epsilon){
if($bb->maxY - $this->minY > $epsilon and $this->maxY - $bb->minY > $epsilon){
return $bb->maxZ - $this->minZ > $epsilon and $this->maxZ - $bb->minZ > $epsilon;
}
}