/**
* @param CannonBall|Point $object
* @return bool
*/
public function isHit($object)
{
if ($object instanceof CannonBall) {
$index = 0;
foreach ($object->pixels as $pixel) {
$pixelPosition = new Point($object->position->x + $pixel->x, $object->position->y + $pixel->y);
$am = Math::pointDiff($this->a, $pixelPosition);
$dot_am_ab = Math::dotProduct($am, $this->ab);
$dot_am_ac = Math::dotProduct($am, $this->ac);
if (0 < $dot_am_ab && $dot_am_ab < $this->dot_ab && (0 < $dot_am_ac && $dot_am_ac < $this->dot_ac)) {
unset($object->pixels[$index]);
return $pixelPosition;
}
$index++;
}
return false;
}
$point_m = $object;
$am = Math::pointDiff($this->a, $point_m);
$dot_am_ab = Math::dotProduct($am, $this->ab);
$dot_am_ac = Math::dotProduct($am, $this->ac);
if (0 < $dot_am_ab && $dot_am_ab < $this->dot_ab && (0 < $dot_am_ac && $dot_am_ac < $this->dot_ac)) {
return $point_m;
}
return false;
}
/**
* @param CannonBall $object
* @return bool
*/
public function isHit($object)
{
if ($object instanceof CannonBall) {
foreach ($object->pixels as $pixel) {
if (!$pixel->destroyedLocation) {
$currentPosition = Math::pointSum($object->position, $pixel);
$previousPosition = Math::pointSum($object->previousPosition, $pixel);
if (!$this->triggered && ($currentPosition->x >= $this->position->x && $previousPosition->x <= $this->position->x)) {
$diff = Math::pointDiff($currentPosition, $previousPosition);
$slope = 0;
if ($diff->x != 0) {
$slope = -1 * ($diff->y / $diff->x);
}
$intercept = $this->position->y - $previousPosition->y;
$intersectPoint = new Point($this->position->x, $this->position->y + ($slope * ($this->position->x - $previousPosition->x) - $intercept));
if ($intersectPoint->y >= $this->position->y && $intersectPoint->y <= $this->position->y + 13) {
$this->triggered = true;
$this->powerCordColor = Color::WHITE;
return $this->triggered;
}
}
}
}
}
return false;
}
