C++ (Cpp) CCArray::exchangeObjectAtIndex Examples

Example #1

File: CollisionEngine.cpp Project: munhra/platform-game-engine

CCArray* CollisionEngine::getSurroundingTilesAtPosition(CCPoint position,
		CCTMXLayer *layer) {

	CCPoint plPos = tileCoordForPosition(position);
	CCArray *gids = CCArray::create();

	for (int i = 0; i < 9; i++) {
		int c = i % 3;
		int r = (int) (i / 3);
		CCPoint tilePos = ccp(plPos.x + (c - 1), plPos.y + (r - 1));
		// fall into a hole
		if (tilePos.y > (map->getMapSize().height - 1)) {

			// kill the enemy here

			//this->gameOver(false);
			return NULL;
		}

		int tgid = layer->tileGIDAt(tilePos);

		CCRect tileRect = tileRectFromTileCoords(tilePos);

		CCDictionary *tileDict = CCDictionary::create();

		CCXNumericData *tilePosData = CCXNumericData::create();
		CCXNumericData *tgidData = CCXNumericData::create();
		CCXNumericData *rectOrgXData = CCXNumericData::create();
		CCXNumericData *rectOrgYData = CCXNumericData::create();

		tilePosData->setPoint(tilePos);
		tgidData->setIntValue(tgid);
		rectOrgXData->setFloatValue(tileRect.origin.x);
		rectOrgYData->setFloatValue(tileRect.origin.y);
		tileDict->setObject(tgidData, "gid");
		tileDict->setObject(rectOrgXData, "x");
		tileDict->setObject(rectOrgYData, "y");
		tileDict->setObject(tilePosData, "tilePos");

		gids->addObject(tileDict);
	}

	gids->removeObjectAtIndex(4);
	gids->insertObject(gids->objectAtIndex(2), 6);
	gids->removeObjectAtIndex(2);
	gids->exchangeObjectAtIndex(4, 6);
	gids->exchangeObjectAtIndex(0, 4);

	return gids;

}