//-----------------------------------------------------------------------------
// Name : CollisionDetection () (Private)
// Desc : Detects and handles collision
//-----------------------------------------------------------------------------
void CGameApp::CollisionDetection()
{
HDC hdc = m_pBBuffer->getDC();
// collision detection with the main frame
for(auto it = m_vGameObjects.begin(); it != m_vGameObjects.end(); ++it)
{
CGameObject * pGameObj = it->get();
Vec2 pos = pGameObj->myPosition;
if(pGameObj->GetObjectTypeSub() == GOT_BrickNormal || pGameObj->GetObjectTypeSub() == GOT_BrickDouble || pGameObj->GetObjectTypeSub() == GOT_BrickGift)
{
BricksExist = true;
}
pGameObj->myCollisionSide = CS_None;
// check collision for ball and player with wall
if(pGameObj->GetObjectType() == GOT_Ball || pGameObj->GetObjectType() == GOT_Player)
{
int dx = (int)pos.x - pGameObj->GetWidth() / 2;
if( dx < 0 )
{
pGameObj->myCollisionSide |= CS_Left;
if(pGameObj->GetObjectType() == GOT_Ball)
{
m_pBall.lock()->myVelocity.x = -m_pBall.lock()->myVelocity.x;
}
if(pGameObj->GetObjectType() == GOT_Player)
{
pGameObj->myPosition.x = pGameObj->GetWidth()/2;
if(FollowPlayer == true)
{
m_pBall.lock()->myPosition.x = ballPos.x + pGameObj->myPosition.x;
}
}
}
dx = (int)pos.x - (m_nViewWidth - pGameObj->GetWidth() / 2);
if( dx > 0 )
{
pGameObj->myCollisionSide |= CS_Right;
if(pGameObj->GetObjectType() == GOT_Ball)
{
m_pBall.lock()->myVelocity.x = -m_pBall.lock()->myVelocity.x;
}
if(pGameObj->GetObjectType() == GOT_Player)
{
pGameObj->myPosition.x = m_nViewWidth - pGameObj->GetWidth() / 2;
if(FollowPlayer == true)
{
m_pBall.lock()->myPosition.x = ballPos.x + pGameObj->myPosition.x;
}
}
}
int dy = (int)pos.y - pGameObj->GetHeight() / 2;
if( dy < 0 )
{
pGameObj->myCollisionSide |= CS_Top;
if(pGameObj->GetObjectType() == GOT_Ball)
{
m_pBall.lock()->myVelocity.y = -m_pBall.lock()->myVelocity.y;
}
}
dy = (int)pos.y - (m_nViewHeight - pGameObj->GetHeight() / 2);
if( dy > 0 )
{
pGameObj->myCollisionSide |= CS_Bottom;
if(pGameObj->GetObjectType() == GOT_Ball)
{
m_pBall.lock()->myVelocity.y = -m_pBall.lock()->myVelocity.y;
}
}
}
// check ball collision with game objects
if(pGameObj->GetObjectType() == GOT_Ball)
for(auto it2 = m_vGameObjects.begin(); it2 != m_vGameObjects.end(); ++it2)
{
CGameObject * pGameObj2 = it2->get();
Vec2 pos2 = pGameObj2->myPosition;
if(pGameObj->GetObjectType() == pGameObj2->GetObjectType())
continue;
if(pGameObj2->GetObjectType() == GOT_Player || pGameObj2->GetObjectType() == GOT_Brick)
{
if(pGameObj2->GetObjectType() == GOT_Player)
{
if(pGameObj->myPosition.y > m_nViewHeight - m_pBall.lock()->GetHeight() - m_pPlayer.lock()->GetHeight() + ONE)
{
if(!(abs(pos.y - pos2.y) < pGameObj->GetHeight() / 2 + pGameObj2->GetHeight() / 2 && abs(pos.x - pos2.x) < pGameObj->GetWidth() / 2 + pGameObj2->GetWidth() / 2))
{
Decrease_Life();
UnstoppableBall = false;
StickyBar = false;
ballPos.x = 0;
ShrinkBar = false;
MoveBall = false;
m_pPlayer.lock()->Normal_Bar();
SystemParametersInfo(SPI_SETMOUSESPEED, NULL, (void*)10, SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE );
if(countLife == NO_LIFE)
{
GameOver = true;
}
}
}
}
if(abs(pos.y - pos2.y) < pGameObj->GetHeight() / 2 + pGameObj2->GetHeight() / 2 && abs(pos.x - pos2.x) < pGameObj->GetWidth() / 2 + pGameObj2->GetWidth() / 2)
{
if(pGameObj2->GetObjectType() == GOT_Player)
{
if(StickyBar == true)
{
pGameObj->myVelocity.y = 0;
pGameObj->myVelocity.x = 0;
pGameObj->myPosition.y = (int)m_nViewHeight - m_pPlayer.lock()->GetHeight() - m_pBall.lock()->GetHeight() - ONE;
ballPos.x = pGameObj->myPosition.x - pGameObj2->myPosition.x;
FollowPlayer = true;
}
else
{
pGameObj->myVelocity.y = -pGameObj->myVelocity.y;
}
}
else
{
if(UnstoppableBall != true)
if(abs(pos.x - pos2.x) > pGameObj->GetHeight() / 2 + pGameObj2->GetHeight() / 2)
{// left or right collosion
pGameObj->myVelocity.x = -pGameObj->myVelocity.x;
}
else
{// top or bottom collision
pGameObj->myVelocity.y = -pGameObj->myVelocity.y;
}
}
if(pGameObj2->GetObjectTypeSub() == GOT_BrickNormal || pGameObj2->GetObjectTypeSub() == GOT_BrickDouble || pGameObj2->GetObjectTypeSub() == GOT_BrickGift)
{
if(pGameObj2->GetObjectTypeSub() == GOT_BrickDouble)
{
int CheckDouble=pGameObj2->DecreaseDouble();
if(CheckDouble == 1)
{
Increase_Score(BRICK_SCORE);
pGameObj2->ChangeSprite();
}
if(CheckDouble == 0)
{
Increase_Score(BRICK_SCORE);
DrawScore(hdc);
auto pAnimate = std::make_shared<Brick>('k');
pAnimate->Init(Vec2(pos2.x,pos2.y));
m_vGameObjectsAnimate.push_back(pAnimate);
m_vGameObjects.erase(it2);
break;
}
}
else
{
if(pGameObj2->GetObjectTypeSub() == GOT_BrickGift)
{
auto pGift = std::make_shared<Gift>(pGameObj2->GetBrickType());
pGift->Init(Vec2(pos2.x,pos2.y));
m_vGameObjectsGift.push_back(pGift);
}
Increase_Score(BRICK_SCORE);
DrawScore(hdc);
auto pAnimate = std::make_shared<Brick>('k');
pAnimate->Init(Vec2(pos2.x,pos2.y));
m_vGameObjectsAnimate.push_back(pAnimate);
m_vGameObjects.erase(it2);
break;
}
}
}
}
}
// check gift collision with player
if(pGameObj->GetObjectType() == GOT_Player)
for(auto it2 = m_vGameObjectsGift.begin(); it2 != m_vGameObjectsGift.end(); ++it2)
{
CGameObject * pGameObj2 = it2->get();
Vec2 pos2 = pGameObj2->myPosition;
if(abs(pos.y - pos2.y) < pGameObj->GetHeight() / 2 + pGameObj2->GetHeight() / 2 && abs(pos.x - pos2.x) < pGameObj->GetWidth() / 2 + pGameObj2->GetWidth() / 2)
{
if(pGameObj2->GetObjectTypeSub() == GOT_Gift100)
{
Increase_Score(BRICK_GIFT_SCORE_1);
DrawScore(hdc);
m_vGameObjectsGift.erase(it2);
break;
}
if(pGameObj2->GetObjectTypeSub() == GOT_Gift200)
{
Increase_Score(BRICK_GIFT_SCORE_2);
DrawScore(hdc);
m_vGameObjectsGift.erase(it2);
break;
}
if(pGameObj2->GetObjectTypeSub() == GOT_GiftUpLife)
{
Increase_Life();
DrawLife(hdc);
m_vGameObjectsGift.erase(it2);
break;
}
if(pGameObj2->GetObjectTypeSub() == GOT_GiftDownLife)
{
Decrease_Life2();
DrawLife(hdc);
m_vGameObjectsGift.erase(it2);
break;
}
if(pGameObj2->GetObjectTypeSub() == GOT_GiftIncreaseSpeed)
{
m_pBall.lock()->Increase_Speed();
DrawLife(hdc);
m_vGameObjectsGift.erase(it2);
break;
}
if(pGameObj2->GetObjectTypeSub() == GOT_GiftDecreaseSpeed)
{
m_pBall.lock()->Decrease_Speed();
DrawLife(hdc);
m_vGameObjectsGift.erase(it2);
break;
}
if(pGameObj2->GetObjectTypeSub() == GOT_GiftUnstoppableBall)
{
UnstoppableBall = true;
m_vGameObjectsGift.erase(it2);
break;
}
if(pGameObj2->GetObjectTypeSub() == GOT_GiftStickyBar)
{
StickyBar = true;
m_vGameObjectsGift.erase(it2);
break;
}
if(pGameObj2->GetObjectTypeSub() == GOT_GiftShrinkBar)
{
if(ShrinkBar == false)
{
ShrinkBar = true;
m_pPlayer.lock()->Shrink_Bar();
}
m_vGameObjectsGift.erase(it2);
break;
}
if(pGameObj2->GetObjectTypeSub() == GOT_GiftSlowMouse)
{
SlowMouse = true;
break;
}
}
int dy = (int)pos2.y - (m_nViewHeight - pGameObj2->GetHeight() / 2);
if( dy > 0 )
{
m_vGameObjectsGift.erase(it2);
break;
}
}
}
}
//-----------------------------------------------------------------------------
// Name : FrameAdvance () (Private)
// Desc : Called to signal that we are now rendering the next frame.
//-----------------------------------------------------------------------------
void CGameApp::FrameAdvance()
{
static TCHAR FrameRate[ 50 ];
static TCHAR TitleBuffer[ 255 ];
// Advance the timer
m_Timer.Tick( 60 );
// Skip if app is inactive
if ( !m_bActive ) return;
// Get / Display the framerate
if ( m_LastFrameRate != m_Timer.GetFrameRate() )
{
m_LastFrameRate = m_Timer.GetFrameRate( FrameRate, 50 );
sprintf_s( TitleBuffer, _T("Game : %s"), FrameRate );
SetWindowText( m_hWnd, TitleBuffer );
} // End if Frame Rate Altered
if(StartGame == true)
{
SetCursor( NULL );
// Poll & Process input devices
ProcessInput();
// Collision detection between game objects
BricksExist=false;
CollisionDetection();
if(BricksExist == false)
{
Vec2 brickPos;
brickPos.x = START_BRICK_POS_X;
brickPos.y = START_BRICK_POS_Y;
countBricks = 0;
countGifts = 0;
nrBricks = 0;
// delete objects from previous level
for(auto it = m_vGameObjects.begin(); it != m_vGameObjects.end(); ++it)
{
CGameObject * pGameObj = it->get();
if(pGameObj->GetObjectTypeSub() == GOT_BrickUnbreakable)
{
countBricks++;
}
}
for(int cBricks = 0; cBricks <= countBricks; cBricks++)
{
for(auto it2 = m_vGameObjects.begin(); it2 != m_vGameObjects.end(); ++it2)
{
CGameObject * pGameObj = it2->get();
if(pGameObj->GetObjectTypeSub() == GOT_BrickUnbreakable)
{
m_vGameObjects.erase(it2);
break;
}
}
}
for(auto it = m_vGameObjectsGift.begin(); it != m_vGameObjectsGift.end(); ++it)
{
CGameObject * pGameObj = it->get();
countGifts++;
}
for(int cGifts = 0; cGifts <= countGifts; cGifts++)
{
for(auto it2 = m_vGameObjectsGift.begin(); it2 != m_vGameObjectsGift.end(); ++it2)
{
CGameObject * pGameObj = it2->get();
m_vGameObjectsGift.erase(it2);
break;
}
}
// load new objects
m_pBall.lock()->myVelocity.x = 0;
m_pBall.lock()->myVelocity.y = 0;
m_pBall.lock()->myPosition.x = m_pPlayer.lock()->myPosition.x;
m_pBall.lock()->myPosition.y = m_nViewHeight - m_pBall.lock()->GetHeight() - m_pPlayer.lock()->GetHeight() - ONE;
FollowPlayer = true;
UnstoppableBall = false;
StickyBar = false;
MoveBall = false;
SystemParametersInfo(SPI_SETMOUSESPEED, NULL, (void*)10, SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE );
ballPos.x = 0;
if(ShrinkBar == true)
{
ShrinkBar = false;
m_pPlayer.lock()->Normal_Bar();
}
nrLevel++;
level.LoadBricks(nrLevel);
level.RandomBricks("-ud");
string::iterator it;
for(it = level.bricks.begin(); it < level.bricks.end(); it++)
{
if(*it == '-')
{
continue;
}
auto pBrick = std::make_shared<Brick>(*it);
m_vGameObjects.push_back(pBrick);
}
for(auto it = m_vGameObjects.begin(); it != m_vGameObjects.end(); ++it)
{
CGameObject * pGameObj = it->get();
if(pGameObj->GetObjectType() == GOT_Brick)
{
for(std::size_t levelbricks = 0; levelbricks < level.bricks.size(); levelbricks++)
{
if(level.bricks[nrBricks] == '-')
{
brickPos.x += pGameObj->GetWidth();
if(brickPos.x >= m_nViewWidth - GET_MAX_BRICK_POS_X)
{
brickPos.x = START_BRICK_POS_X;
brickPos.y += pGameObj->GetHeight();
}
}
else
{
nrBricks++;
break;
}
nrBricks++;
}
pGameObj->Init(Vec2(brickPos.x, brickPos.y));
brickPos.x += pGameObj->GetWidth();
if(brickPos.x >= m_nViewWidth - GET_MAX_BRICK_POS_X)
{
brickPos.x = START_BRICK_POS_X;
brickPos.y += pGameObj->GetHeight();
}
}
}
if(level.Winner == true)
{
LevelChange = false;
}
else
{
LevelChange = true;
}
}
// Animate the game objects
AnimateObjects();
}
// Drawing the game objects
DrawObjects();
}