diff --git a/src/pocketmine/block/Grass.php b/src/pocketmine/block/Grass.php
index cc6a870e1..8f7c6185f 100644
--- a/src/pocketmine/block/Grass.php
+++ b/src/pocketmine/block/Grass.php
@@ -26,6 +26,7 @@ use pocketmine\item\Item;
 use pocketmine\level\generator\object\TallGrass as TallGrassObject;
 use pocketmine\level\Level;
 use pocketmine\level\Position;
+use pocketmine\math\Vector3;
 use pocketmine\Player;
 use pocketmine\Server;
 use pocketmine\utils\Random;
@@ -54,9 +55,8 @@ class Grass extends Solid{
 			$x = mt_rand($this->x - 1, $this->x + 1);
 			$y = mt_rand($this->y - 2, $this->y + 2);
 			$z = mt_rand($this->z - 1, $this->z + 1);
-			$block = $this->getLevel()->getBlockIdAt($x, $y, $z);
-			if($block === Block::DIRT){
-				$block = Block::get($block, $this->getLevel()->getBlockDataAt($x, $y, $z), Position::createPosition($x, $y, $z, $this->getLevel()));
+			$block = $this->getLevel()->getBlock(Vector3::createVector($x, $y, $z));
+			if($block->getID() === Block::DIRT){
 				if($block->getSide(1) instanceof Transparent){
 					Server::getInstance()->getPluginManager()->callEvent($ev = BlockSpreadEvent::createEvent($block, $this, new Grass()));
 					if(!$ev->isCancelled()){
diff --git a/src/pocketmine/block/Mycelium.php b/src/pocketmine/block/Mycelium.php
index 6052f5157..5e0096112 100644
--- a/src/pocketmine/block/Mycelium.php
+++ b/src/pocketmine/block/Mycelium.php
@@ -25,6 +25,7 @@ use pocketmine\event\block\BlockSpreadEvent;
 use pocketmine\item\Item;
 use pocketmine\level\Level;
 use pocketmine\level\Position;
+use pocketmine\math\Vector3;
 use pocketmine\Server;
 
 class Mycelium extends Solid{
@@ -45,9 +46,8 @@ class Mycelium extends Solid{
 			$x = mt_rand($this->x - 1, $this->x + 1);
 			$y = mt_rand($this->y - 2, $this->y + 2);
 			$z = mt_rand($this->z - 1, $this->z + 1);
-			$block = $this->getLevel()->getBlockIdAt($x, $y, $z);
-			if($block === Block::DIRT){
-				$block = Block::get($block, $this->getLevel()->getBlockDataAt($x, $y, $z), Position::createPosition($x, $y, $z, $this->getLevel()));
+			$block = $this->getLevel()->getBlock(Vector3::createVector($x, $y, $z));
+			if($block->getID() === Block::DIRT){
 				if($block->getSide(1) instanceof Transparent){
 					Server::getInstance()->getPluginManager()->callEvent($ev = BlockSpreadEvent::createEvent($block, $this, new Mycelium()));
 					if(!$ev->isCancelled()){
diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index ac77d4093..b65a397df 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -424,15 +424,17 @@ abstract class Entity extends Location implements Metadatable{
 
 		$list = $this->level->getCollisionBlocks($this->boundingBox);
 
-		if(count($list) === 0 and !$this->level->isFullBlock(Vector3::createVector($i, $j, $k))){
+		$v = Vector3::createVector($i, $j, $k);
+
+		if(count($list) === 0 and !$this->level->isFullBlock($v->setComponents($i, $j, $k))){
 			return false;
 		}else{
-			$flag = !$this->level->isFullBlock(Vector3::createVector($i - 1, $j, $k));
-			$flag1 = !$this->level->isFullBlock(Vector3::createVector($i + 1, $j, $k));
-			//$flag2 = !$this->level->isFullBlock(Vector3::createVector($i, $j - 1, $k));
-			$flag3 = !$this->level->isFullBlock(Vector3::createVector($i, $j + 1, $k));
-			$flag4 = !$this->level->isFullBlock(Vector3::createVector($i, $j, $k - 1));
-			$flag5 = !$this->level->isFullBlock(Vector3::createVector($i, $j, $k + 1));
+			$flag = !$this->level->isFullBlock($v->setComponents($i - 1, $j, $k));
+			$flag1 = !$this->level->isFullBlock($v->setComponents($i + 1, $j, $k));
+			//$flag2 = !$this->level->isFullBlock($v->setComponents($i, $j - 1, $k));
+			$flag3 = !$this->level->isFullBlock($v->setComponents($i, $j + 1, $k));
+			$flag4 = !$this->level->isFullBlock($v->setComponents($i, $j, $k - 1));
+			$flag5 = !$this->level->isFullBlock($v->setComponents($i, $j, $k + 1));
 
 			$direction = 3; //UP!
 			$limit = 9999;
@@ -782,10 +784,10 @@ abstract class Entity extends Location implements Metadatable{
 	}
 
 	public function isInsideOfWater(){
-		$block = $this->level->getBlock($pos = Vector3::createVector($this->x, $y = ($this->y + $this->getEyeHeight()), $this->z)->floor());
+		$block = $this->level->getBlock(Vector3::createVector($this->x, $y = ($this->y + $this->getEyeHeight()), $this->z)->floor());
 
 		if($block instanceof Water){
-			$f = ($pos->y + 1) - ($block->getFluidHeightPercent() - 0.1111111);
+			$f = ($block->y + 1) - ($block->getFluidHeightPercent() - 0.1111111);
 			return $y < $f;
 		}
 
@@ -793,7 +795,7 @@ abstract class Entity extends Location implements Metadatable{
 	}
 
 	public function isInsideOfSolid(){
-		$block = $this->level->getBlock($pos = Vector3::createVector($this->x, $y = ($this->y + $this->getEyeHeight()), $this->z)->floor());
+		$block = $this->level->getBlock(Vector3::createVector($this->x, $y = ($this->y + $this->getEyeHeight()), $this->z)->floor());
 
 		$bb = $block->getBoundingBox();
 
@@ -816,8 +818,7 @@ abstract class Entity extends Location implements Metadatable{
 
 		if($this->keepMovement){
 			$this->boundingBox->offset($dx, $dy, $dz);
-			$pos = Vector3::createVector(($this->boundingBox->minX + $this->boundingBox->maxX) / 2, $this->boundingBox->minY - $this->ySize, ($this->boundingBox->minZ + $this->boundingBox->maxZ) / 2);
-			$this->setPosition($pos);
+			$this->setPosition(Vector3::createVector(($this->boundingBox->minX + $this->boundingBox->maxX) / 2, $this->boundingBox->minY - $this->ySize, ($this->boundingBox->minZ + $this->boundingBox->maxZ) / 2));
 			$this->onGround = $this instanceof Player ? true : false;
 		}else{
 
diff --git a/src/pocketmine/level/Level.php b/src/pocketmine/level/Level.php
index 232590831..6279f3f42 100644
--- a/src/pocketmine/level/Level.php
+++ b/src/pocketmine/level/Level.php
@@ -176,7 +176,10 @@ class Level implements ChunkManager, Metadatable{
 	private $useSections;
 	private $blockOrder;
 
+	/** @var Position */
 	private $temporalPosition;
+	/** @var Vector3 */
+	private $temporalVector;
 
 	protected $chunkTickRadius;
 	protected $chunkTickList = [];
@@ -270,6 +273,7 @@ class Level implements ChunkManager, Metadatable{
 
 		$this->timings = new LevelTimings($this);
 		$this->temporalPosition = new Position(0, 0, 0, $this);
+		$this->temporalVector = new Vector3(0, 0, 0);
 	}
 
 	public function initLevel(){
@@ -746,7 +750,7 @@ class Level implements ChunkManager, Metadatable{
 
 		$collides = [];
 
-		$v = Vector3::createVector(0, 0, 0);
+		$v = $this->temporalVector;
 
 		for($v->z = $minZ; $v->z < $maxZ; ++$v->z){
 			for($v->x = $minX; $v->x < $maxX; ++$v->x){
@@ -793,7 +797,7 @@ class Level implements ChunkManager, Metadatable{
 		$maxZ = Math::floorFloat($bb->maxZ + 1);
 
 		$collides = [];
-		$v = Vector3::createVector(0, 0, 0);
+		$v = $this->temporalVector;
 
 		for($v->z = $minZ; $v->z < $maxZ; ++$v->z){
 			for($v->x = $minX; $v->x < $maxX; ++$v->x){
diff --git a/src/pocketmine/math/AxisAlignedBB.php b/src/pocketmine/math/AxisAlignedBB.php
index bb233da62..c871036b2 100644
--- a/src/pocketmine/math/AxisAlignedBB.php
+++ b/src/pocketmine/math/AxisAlignedBB.php
@@ -101,39 +101,36 @@ class AxisAlignedBB{
 	}
 
 	public function addCoord($x, $y, $z){
-		$vec = self::cloneBoundingBoxFromPool($this);
+		$minX = $this->minX;
+		$minY = $this->minY;
+		$minZ = $this->minZ;
+		$maxX = $this->maxX;
+		$maxY = $this->maxY;
+		$maxZ = $this->maxZ;
 		
 		if($x < 0){
-			$vec->minX += $x;
+			$minX += $x;
 		}elseif($x > 0){
-			$vec->maxX += $x;
+			$maxX += $x;
 		}
 
 		if($y < 0){
-			$vec->minY += $y;
+			$minY += $y;
 		}elseif($y > 0){
-			$vec->maxY += $y;
+			$maxY += $y;
 		}
 
 		if($z < 0){
-			$vec->minZ += $z;
+			$minZ += $z;
 		}elseif($z > 0){
-			$vec->maxZ += $z;
+			$maxZ += $z;
 		}
 
-		return $vec;
+		return self::getBoundingBoxFromPool($minX, $minY, $minZ, $maxX, $maxY, $maxZ);
 	}
 
 	public function grow($x, $y, $z){
-		$vec = self::cloneBoundingBoxFromPool($this);
-		$vec->minX -= $x;
-		$vec->minY -= $y;
-		$vec->minZ -= $z;
-		$vec->maxX += $x;
-		$vec->maxY += $y;
-		$vec->maxZ += $z;
-
-		return $vec;
+		return self::getBoundingBoxFromPool($this->minX - $x, $this->minY - $y, $this->minZ - $z, $this->maxX + $x, $this->maxY + $y, $this->maxZ + $z);
 	}
 
 	public function expand($x, $y, $z){
@@ -159,15 +156,7 @@ class AxisAlignedBB{
 	}
 
 	public function shrink($x, $y, $z){
-		$vec = self::cloneBoundingBoxFromPool($this);
-		$vec->minX += $x;
-		$vec->minY += $y;
-		$vec->minZ += $z;
-		$vec->maxX -= $x;
-		$vec->maxY -= $y;
-		$vec->maxZ -= $z;
-
-		return $vec;
+		return self::getBoundingBoxFromPool($this->minX + $x, $this->minY + $y, $this->minZ + $z, $this->maxX - $x, $this->maxY - $y, $this->maxZ - $z);
 	}
 
 	public function contract($x, $y, $z){
@@ -192,15 +181,7 @@ class AxisAlignedBB{
 	}
 
 	public function getOffsetBoundingBox($x, $y, $z){
-		$vec = self::cloneBoundingBoxFromPool($this);
-		$vec->minX += $x;
-		$vec->minY += $y;
-		$vec->minZ += $z;
-		$vec->maxX += $x;
-		$vec->maxY += $y;
-		$vec->maxZ += $z;
-
-		return $vec;
+		return self::getBoundingBoxFromPool($this->minX + $x, $this->minY + $y, $this->minZ + $z, $this->maxX + $x, $this->maxY + $y, $this->maxZ + $z);
 	}
 
 	public function calculateXOffset(AxisAlignedBB $bb, $x){
diff --git a/src/pocketmine/math/Vector3.php b/src/pocketmine/math/Vector3.php
index 1c1abfcd5..3384c5bc5 100644
--- a/src/pocketmine/math/Vector3.php
+++ b/src/pocketmine/math/Vector3.php
@@ -21,10 +21,6 @@
 
 namespace pocketmine\math;
 
-/**
- * WARNING: This class is available on the PocketMine-MP Zephir project.
- * If this class is modified, remember to modify the PHP C extension.
- */
 class Vector3{
 
 	/** @var Vector3[] */
@@ -76,6 +72,11 @@ class Vector3{
 		return self::$vectorList[self::$nextVector++]->setComponents($x, $y, $z);
 	}
 
+	/**
+	 * @param Vector3 $vector
+	 *
+	 * @return Vector3
+	 */
 	public static function cloneVector(Vector3 $vector){
 		if(self::$nextVector >= count(self::$vectorList)){
 			self::$vectorList[] = new Vector3(0, 0, 0);