pocketmine\entity\Entity::move PHP Method

    public function move($dx, $dy, $dz)
    {
        if ($dx == 0 and $dz == 0 and $dy == 0) {
            return true;
        }
        if ($this->keepMovement) {
            $this->boundingBox->offset($dx, $dy, $dz);
            $this->setPosition($this->temporalVector->setComponents(($this->boundingBox->minX + $this->boundingBox->maxX) / 2, $this->boundingBox->minY, ($this->boundingBox->minZ + $this->boundingBox->maxZ) / 2));
            $this->onGround = $this->isPlayer ? true : false;
            return true;
        } else {
            Timings::$entityMoveTimer->startTiming();
            $this->ySize *= 0.4;
            /*
            if($this->isColliding){ //With cobweb?
            	$this->isColliding = false;
            	$dx *= 0.25;
            	$dy *= 0.05;
            	$dz *= 0.25;
            	$this->motionX = 0;
            	$this->motionY = 0;
            	$this->motionZ = 0;
            }
            */
            $movX = $dx;
            $movY = $dy;
            $movZ = $dz;
            $axisalignedbb = clone $this->boundingBox;
            /*$sneakFlag = $this->onGround and $this instanceof Player;
            
            			if($sneakFlag){
            				for($mov = 0.05; $dx != 0.0 and count($this->level->getCollisionCubes($this, $this->boundingBox->getOffsetBoundingBox($dx, -1, 0))) === 0; $movX = $dx){
            					if($dx < $mov and $dx >= -$mov){
            						$dx = 0;
            					}elseif($dx > 0){
            						$dx -= $mov;
            					}else{
            						$dx += $mov;
            					}
            				}
            
            				for(; $dz != 0.0 and count($this->level->getCollisionCubes($this, $this->boundingBox->getOffsetBoundingBox(0, -1, $dz))) === 0; $movZ = $dz){
            					if($dz < $mov and $dz >= -$mov){
            						$dz = 0;
            					}elseif($dz > 0){
            						$dz -= $mov;
            					}else{
            						$dz += $mov;
            					}
            				}
            
            				//TODO: big messy loop
            			}*/
            $list = $this->level->getCollisionCubes($this, $this->level->getTickRate() > 1 ? $this->boundingBox->getOffsetBoundingBox($dx, $dy, $dz) : $this->boundingBox->addCoord($dx, $dy, $dz), false);
            foreach ($list as $bb) {
                $dy = $bb->calculateYOffset($this->boundingBox, $dy);
            }
            $this->boundingBox->offset(0, $dy, 0);
            $fallingFlag = ($this->onGround or $dy != $movY and $movY < 0);
            foreach ($list as $bb) {
                $dx = $bb->calculateXOffset($this->boundingBox, $dx);
            }
            $this->boundingBox->offset($dx, 0, 0);
            foreach ($list as $bb) {
                $dz = $bb->calculateZOffset($this->boundingBox, $dz);
            }
            $this->boundingBox->offset(0, 0, $dz);
            if ($this->stepHeight > 0 and $fallingFlag and $this->ySize < 0.05 and ($movX != $dx or $movZ != $dz)) {
                $cx = $dx;
                $cy = $dy;
                $cz = $dz;
                $dx = $movX;
                $dy = $this->stepHeight;
                $dz = $movZ;
                $axisalignedbb1 = clone $this->boundingBox;
                $this->boundingBox->setBB($axisalignedbb);
                $list = $this->level->getCollisionCubes($this, $this->boundingBox->addCoord($dx, $dy, $dz), false);
                foreach ($list as $bb) {
                    $dy = $bb->calculateYOffset($this->boundingBox, $dy);
                }
                $this->boundingBox->offset(0, $dy, 0);
                foreach ($list as $bb) {
                    $dx = $bb->calculateXOffset($this->boundingBox, $dx);
                }
                $this->boundingBox->offset($dx, 0, 0);
                foreach ($list as $bb) {
                    $dz = $bb->calculateZOffset($this->boundingBox, $dz);
                }
                $this->boundingBox->offset(0, 0, $dz);
                if ($cx ** 2 + $cz ** 2 >= $dx ** 2 + $dz ** 2) {
                    $dx = $cx;
                    $dy = $cy;
                    $dz = $cz;
                    $this->boundingBox->setBB($axisalignedbb1);
                } else {
                    $this->ySize += 0.5;
                }
            }
            $this->x = ($this->boundingBox->minX + $this->boundingBox->maxX) / 2;
            $this->y = $this->boundingBox->minY - $this->ySize;
            $this->z = ($this->boundingBox->minZ + $this->boundingBox->maxZ) / 2;
            $this->checkChunks();
            $this->checkGroundState($movX, $movY, $movZ, $dx, $dy, $dz);
            $this->updateFallState($dy, $this->onGround);
            if ($movX != $dx) {
                $this->motionX = 0;
            }
            if ($movY != $dy) {
                $this->motionY = 0;
            }
            if ($movZ != $dz) {
                $this->motionZ = 0;
            }
            //TODO: vehicle collision events (first we need to spawn them!)
            Timings::$entityMoveTimer->stopTiming();
            return true;
        }
    }