void MetaballManager2D::SetMetaballPosition(const IvVector3& position, const float radius)
{
for(int i = 0; i < 1; i++)
{
int startIDX = mVertices.size();
float x1,y1,x2,y2,u1,u2,v1,v2;
x1 = position.x - radius;
x2 = position.x + radius;
y1 = position.y - radius;
y2 = position.y + radius;
u1 = v2 = 0.0f;
u2 = v1 = 1.0f;
IvVector3 pos;
pos.Set(x1,y1,0);
mVertices.push_back(pos);
pos.Set(x2,y1,0);
mVertices.push_back(pos);
pos.Set(x2,y2,0);
mVertices.push_back(pos);
pos.Set(x1,y2,0);
mVertices.push_back(pos);
IvColor c(1.0f,1.0f,1.0f,1.0f);
mColors.push_back(c);
mColors.push_back(c);
mColors.push_back(c);
mColors.push_back(c);
IvVector2 uv;
uv.Set(u1,v1);
mUVs.push_back(uv);
uv.Set(u2,v1);
mUVs.push_back(uv);
uv.Set(u2,v2);
mUVs.push_back(uv);
uv.Set(u1,v2);
mUVs.push_back(uv);
mIndices.push_back(startIDX + 0);
mIndices.push_back(startIDX + 2);
mIndices.push_back(startIDX + 3);
mIndices.push_back(startIDX + 0);
mIndices.push_back(startIDX + 1);
mIndices.push_back(startIDX + 2);
}
mDirtyMesh = true;
}
void LetterChooser::GridLayout()
{
std::vector<IvAABB> blockedAreas;
mGameLogic->GetBlockedDropletAreas(blockedAreas);
mPositionList.clear();
//float w = mGame.GetRenderer().GetWindowWidth();
//float h = mGame.GetRenderer().GetWindowHeight();
float x,y;
x = mDisplayMin.x;
y = mDisplayMin.y;
int lettersPerRow = mSourceLetters.size()/mRows;
IvVector2 dim = mDisplayMax - mDisplayMin;
int yIncrement = dim.y/mRows;
int xIncrement = dim.x/lettersPerRow;
IvVector3 origin;
GetWorldPosition(origin);
for(int i = 0; i < mSourceLetters.size(); ++i)
{
LetterButton* l = mSourceLetters[i];
IvVector3 pos;
pos.Set(x,y,origin.z);
mPositionList.push_back(pos);
mPositionDB[l->mChar] = pos;
x += xIncrement;
if(x >= mDisplayMax.x)
{
y += yIncrement;
x = mDisplayMin.x;
}
}
}
//-------------------------------------------------------------------------------
// @ IvQuat::GetAxisAngle()
//-------------------------------------------------------------------------------
// Get axis-angle based on quaternion
//-------------------------------------------------------------------------------
void
IvQuat::GetAxisAngle( IvVector3& axis, float& angle )
{
angle = 2.0f*acosf( w );
float length = ::IvSqrt( 1.0f - w*w );
if ( ::IsZero(length) )
axis.Zero();
else
{
length = 1.0f/length;
axis.Set( x*length, y*length, z*length );
}
} // End of IvQuat::GetAxisAngle()
//-------------------------------------------------------------------------------
// @ Player::Update()
//-------------------------------------------------------------------------------
// Main update loop
//-------------------------------------------------------------------------------
void
Player::Update( float dt )
{
float s = 1.0f;
float r = 0.0f;
float x = 0.0f, y = 0.0f, z = 0.0f;
IvQuat rotate;
IvVector3 xlate;
IvMatrix44 transform;
// set up scaling
if (IvGame::mGame->mEventHandler->IsKeyDown(';'))
{
s -= 0.25f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('p'))
{
s += 0.25f*dt;
}
mScale *= s;
// set up rotate
if (IvGame::mGame->mEventHandler->IsKeyDown('o'))
{
r -= kPI*0.25f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('u'))
{
r += kPI*0.25f*dt;
}
rotate.Set(IvVector3::zAxis, r);
mRotate = rotate*mRotate;
mRotate.Normalize();
// set up translation
if (IvGame::mGame->mEventHandler->IsKeyDown('k'))
{
x -= 3.0f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('i'))
{
x += 3.0f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('l'))
{
y -= 3.0f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('j'))
{
y += 3.0f*dt;
}
xlate.Set( x, y, z );
mTranslate += xlate;
if (IvGame::mGame->mEventHandler->IsKeyPressed('s'))
{
mUseSkyShader = !mUseSkyShader;
}
// clear transform
if (IvGame::mGame->mEventHandler->IsKeyPressed(' '))
{
mRotate.Identity();
mScale = 1.0f;
mTranslate.Zero();
}
} // End of Player::Update()
void LetterChooser::RandomLayout()
{
std::vector<IvAABB> blockedAreas;
mGameLogic->GetBlockedDropletAreas(blockedAreas);
mPositionList.clear();
float x,y;
x = mDisplayMin.x;
y = 480.0f - mDisplayMin.y;
IvVector2 dim = mDisplayMax - mDisplayMin;
int increment = 2.0f*TOUCH_RADIUS + mJitterStrength;
IvVector3 origin;
GetWorldPosition(origin);
srand(1972);
for(int i = 0; i < mSourceLetters.size(); ++i)
{
LetterButton* l = mSourceLetters[i];
IvVector3 pos;
float xNoise = rand() % (int)mJitterStrength;
float yNoise = rand() % (int)mJitterStrength;
pos.Set(x+xNoise,480.0f - (y+yNoise),origin.z);
for(unsigned int j = 0; j < blockedAreas.size(); j++)
{
float yradius = l->mRadius*480.0f*0.5f;
float xradius = l->mRadius*320.0f*0.5f;
IvAABB blocker = blockedAreas[j];
IvVector3 min, max;
min.x = pos.x - xradius;
min.y = pos.y - yradius;
min.z = -5.0f;
max.x = pos.x + xradius;
max.y = pos.y + yradius;
max.z = +5.0f;
IvAABB test(min,max);
if(test.Intersect(blocker))
{
float newX = blocker.GetMaxima().x + xradius;
if(newX > x)
{
x = newX;
if(x >= mDisplayMax.x)
{
y += increment;
pos.y -= increment;
x = mDisplayMin.x;
}
pos.x = x;
}
}
}
mPositionList.push_back(pos);
mPositionDB[l->mChar] = pos;
x += increment;
if(x >= mDisplayMax.x)
{
y += increment;
x = mDisplayMin.x;
}
}
}
//-------------------------------------------------------------------------------
// @ Player::Update()
//-------------------------------------------------------------------------------
// Main update loop
//-------------------------------------------------------------------------------
void
Player::Update( float dt )
{
float s = 1.0f;
float r = 0.0f;
float x = 0.0f, y = 0.0f, z = 0.0f;
IvMatrix33 rotate;
IvVector3 xlate;
IvMatrix44 transform;
mTurret->Update( dt );
// set up scaling
if (IvGame::mGame->mEventHandler->IsKeyDown(';'))
{
s -= 0.25f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('p'))
{
s += 0.25f*dt;
}
mScale *= s;
// set up rotate
if (IvGame::mGame->mEventHandler->IsKeyDown('o'))
{
r -= kPI*0.25f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('u'))
{
r += kPI*0.25f*dt;
}
rotate.RotationZ(r);
mRotate = rotate*mRotate;
// set up translation
if (IvGame::mGame->mEventHandler->IsKeyDown('k'))
{
x -= 3.0f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('i'))
{
x += 3.0f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('l'))
{
y -= 3.0f*dt;
}
if (IvGame::mGame->mEventHandler->IsKeyDown('j'))
{
y += 3.0f*dt;
}
xlate.Set( x, y, z );
mTranslate += xlate;
// clear transform
if (IvGame::mGame->mEventHandler->IsKeyDown(' '))
{
mRotate.Identity();
mScale = 0.25f;
mTranslate.Zero();
}
} // End of Player::Update()
