bool BubbleGrid::checkForCollision(Bubble* playerBubble)
{
bool collided = false;
int collidedX = 0;
int collidedY = 0;
CCPoint playerBubblePosition = playerBubble->getPosition();
// Breadth first Search through the array starting from the bottom left
for(int y = GRID_HEIGHT - 1; y >= 0; y--)
{
if(collided)
break;
int maxWidth = GRID_WIDTH;
if(y % 2 != 0) // odd rows have GRID_WIDTH -1 bubbles
{
maxWidth -= 1;
}
for(int x = 0; x < maxWidth; x++)
{
Bubble* bubble = m_pBubbles[x][y];
if((y != 0 && bubble->getType() == EMPTY) || bubble->getFalling())
continue;
// NOT BUBBLE_RADIUS * 2 because it would be two accurate - allows better gameplay
if(ccpDistance(bubble->getPosition(), playerBubblePosition) < (BUBBLE_RADIUS * 1.5f))
{
collidedX = x;
collidedY = y;
collided = true;
break;
}
}
}
if(collided)
{
int selectedIndexX = 0;
int selectedIndexY = 0;
// Find a place to put the bubble
// selectedIndexX & selectedIndexY hold the selected position
placeInClosestEmptySlot(playerBubble, collidedX, collidedY, selectedIndexX, selectedIndexY);
int count = 0;
// check for matching bubbles
checkMatchingBubbles(selectedIndexX, selectedIndexY, playerBubble->getType(), count);
// If we found 3 or more matches
if(count > 2)
{
// Mark all connected bubbles starting from [0][0]
checkConnectedBubbles();
// Drop any bubbles that are not marked
dropBubbles();
}
return true;
}
return false;
}
void GameBoard::drawSights(float rad){
CCArray * points = CCArray::create();
float startX = currentBubble->x;
float startY = currentBubble->y;
points->addObject(new CCPoint(startX, startY));
float step = 30;
float dx = step * sin(rad);
float dy = step * cos(rad);
CCPoint * p;
bool available;
do {
p = new CCPoint(startX + dx, startY + dy);
if (p->x >= BUBBLE_RIGHT_EAGE) {
dx *= -1;
p->x = 2*BUBBLE_RIGHT_EAGE-p->x;
if(p->x+Bubble::RADIUS >= BUBBLE_RIGHT_EAGE) p->x = BUBBLE_RIGHT_EAGE-Bubble::RADIUS;
}
if (p->x <= BUBBLE_LEFT_EAGE) {
dx *= -1;
p->x = BUBBLE_LEFT_EAGE - p->x;
if(p->x+Bubble::RADIUS >= BUBBLE_LEFT_EAGE) p->x = BUBBLE_LEFT_EAGE + Bubble::RADIUS;
}
startX = p->x;
startY = p->y;
available = true;
Bubble * bubble;
CCPoint bubblePos;
float dis;
if (p->y >= BUBBLE_TOP_EAGE) {
p->y = BUBBLE_TOP_EAGE - Bubble::RADIUS;
available = false;
}
if(available){
for (int i=0; i<bubblesData->count(); i++) {
bubble = (Bubble*) bubblesData->objectAtIndex(bubblesData->count() - 1 - i);
bubblePos = bubble->getPosition();
dis = sqrtf(powf(bubblePos.x - p->x, 2)+powf(bubblePos.y - p->y,2));
if(dis <= Bubble::RADIUS){
available = false;
break;
}
}
}
if(available) points->addObject(p);
} while (available);
CCPoint *pp;
CCSprite *sp;
CCTexture2D *pTexture2D = sightsBatch->getTexture();
sightsBatch->removeAllChildrenWithCleanup(true);
for (int i=0; i<points->count(); i++) {
pp = (CCPoint*) points->objectAtIndex(i);
sp = CCSprite::createWithTexture(pTexture2D);
sp->setScale(0.2);
sp->setPosition(CCPointMake(pp->x, pp->y));
sightsBatch->addChild(sp);
}
}
