lengthSquared() public method

public lengthSquared ( )
Exemplo n.º 1
0
 public function onUpdate($currentTick)
 {
     if ($this->closed !== false) {
         return false;
     }
     if (++$this->switchDirectionTicker === 100) {
         $this->switchDirectionTicker = 0;
         if (mt_rand(0, 100) < 50) {
             $this->swimDirection = null;
         }
     }
     $this->lastUpdate = $currentTick;
     $this->timings->startTiming();
     $hasUpdate = parent::onUpdate($currentTick);
     if ($this->isAlive()) {
         if ($this->y > 62 and $this->swimDirection !== null) {
             $this->swimDirection->y = -0.5;
         }
         /*$inWater = $this->isInsideOfAir();
         		if(!$inWater){
         			//$this->motionY -= $this->gravity;
         			$this->swimDirection = null;
         		}else*/
         if ($this->swimDirection !== null) {
             if ($this->motionX ** 2 + $this->motionY ** 2 + $this->motionZ ** 2 <= $this->swimDirection->lengthSquared()) {
                 $this->motionX = $this->swimDirection->x * $this->swimSpeed;
                 $this->motionY = $this->swimDirection->y * $this->swimSpeed;
                 $this->motionZ = $this->swimDirection->z * $this->swimSpeed;
             }
         } else {
             $this->swimDirection = $this->generateRandomDirection();
             $this->swimSpeed = mt_rand(50, 100);
         }
         $expectedPos = new Vector3($this->x + $this->motionX, $this->y + $this->motionY, $this->z + $this->motionZ);
         $this->move($this->motionX, $this->motionY, $this->motionZ);
         if ($expectedPos->distanceSquared($this) > 0) {
             $this->swimDirection = $this->generateRandomDirection();
             $this->swimSpeed = mt_rand(50, 100);
         }
         $friction = 1 - $this->drag;
         $this->motionX *= $friction;
         $this->motionY *= 1 - $this->drag;
         $this->motionZ *= $friction;
         $f = sqrt($this->motionX ** 2 + $this->motionZ ** 2);
         $this->yaw = -atan2($this->motionX, $this->motionZ) * 180 / M_PI;
         $this->pitch = -atan2($f, $this->motionY) * 180 / M_PI;
         if ($this->onGround) {
             $this->motionY *= -0.5;
         }
         $this->updateMovement();
     }
     $this->timings->stopTiming();
     return $hasUpdate or !$this->onGround or abs($this->motionX) > 1.0E-5 or abs($this->motionY) > 1.0E-5 or abs($this->motionZ) > 1.0E-5;
 }
Exemplo n.º 2
0
 public function onUpdate($currentTick)
 {
     if ($this->closed !== \false) {
         return \false;
     }
     if (++$this->switchDirectionTicker === 100) {
         $this->switchDirectionTicker = 0;
         if (\mt_rand(0, 100) < 50) {
             $this->swimDirection = \null;
         }
     }
     $this->lastUpdate = $currentTick;
     $this->timings->startTiming();
     $hasUpdate = parent::onUpdate($currentTick);
     if (!$this->dead) {
         if ($this->y > 62 and $this->swimDirection !== \null) {
             $this->swimDirection->y = -0.5;
         }
         $inWater = $this->isInsideOfWater();
         if (!$inWater) {
             $this->motionY -= $this->gravity;
             $this->swimDirection = \null;
         } elseif ($this->swimDirection !== \null) {
             if ($this->motionX ** 2 + $this->motionY ** 2 + $this->motionZ ** 2 <= $this->swimDirection->lengthSquared()) {
                 $this->motionX = $this->swimDirection->x * $this->swimSpeed;
                 $this->motionY = $this->swimDirection->y * $this->swimSpeed;
                 $this->motionZ = $this->swimDirection->z * $this->swimSpeed;
             }
         } else {
             $this->swimDirection = $this->generateRandomDirection();
             $this->swimSpeed = \mt_rand(50, 100) / 2000;
         }
         $expectedPos = new Vector3($this->x + $this->motionX, $this->y + $this->motionY, $this->z + $this->motionZ);
         $this->move($this->motionX, $this->motionY, $this->motionZ);
         if ($expectedPos->distanceSquared($this) > 0) {
             $this->swimDirection = $this->generateRandomDirection();
             $this->swimSpeed = \mt_rand(50, 100) / 2000;
         }
         $friction = 1 - $this->drag;
         $this->motionX *= $friction;
         $this->motionY *= 1 - $this->drag;
         $this->motionZ *= $friction;
         $f = \sqrt($this->motionX ** 2 + $this->motionZ ** 2);
         $this->yaw = -\atan2($this->motionX, $this->motionZ) * 180 / M_PI;
         $this->pitch = -\atan2($f, $this->motionY) * 180 / M_PI;
         if ($this->onGround) {
             $this->motionY *= -0.5;
         }
     }
     $this->timings->stopTiming();
     return $hasUpdate or !$this->onGround or $this->motionX != 0 or $this->motionY != 0 or $this->motionZ != 0;
 }