void CShapeModule::InitParticleForCone(CVec3& localPos, CVec3& direction, float fParticleScale) const
{
CVec3 finalPos, finalDirection;
float fClipAngle = m_fAngle;
BEATS_CLIP_VALUE(fClipAngle, 0, 89.99f);
float fRadius = m_fRadius * fParticleScale;
float fConeLength = m_fConeLength * fParticleScale;
float fTopRadius = fRadius + fConeLength * tanf(DegreesToRadians(fClipAngle));
CVec3 randomDirection(PARTICLE_RAND_RANGE(-1, 1), PARTICLE_RAND_RANGE(-1, 1), 0);
randomDirection.Normalize();
float fRadiusOnBase = m_bEmitFromShell ? fRadius : PARTICLE_RAND_RANGE(0, fRadius);
finalPos = randomDirection * fRadiusOnBase;
BEATS_ASSERT(!BEATS_FLOAT_EQUAL(fRadius, 0));
fTopRadius *= (fRadiusOnBase / fRadius);
CVec3 topPos = (m_bRandomDirection ? GetRandomDirection() : randomDirection) * fTopRadius;
topPos.Z() = fConeLength;
finalDirection = topPos - finalPos;
if (!m_bEmitFromBaseOrVolume)
{
finalPos += (finalDirection * PARTICLE_RAND_RANGE(0, 1));
if (m_bRandomDirection)
{
finalDirection = GetRandomDirection();
}
}
finalDirection.Normalize();
localPos = finalPos;
direction = finalDirection;
}
void CMouse::ClipMousePos()
{
if (m_coopSetting & DISCL_NONEXCLUSIVE)
{
POINT point;
GetCursorPos(&point);
m_xWindowPos = point.x;
m_yWindowPos = point.y;
ScreenToClient(m_globalHwnd, &point);
m_xPos = point.x;
m_yPos = point.y;
RECT rect;
GetClientRect(m_globalHwnd, &rect);
BEATS_CLIP_VALUE(m_xPos, 0, rect.right);
BEATS_CLIP_VALUE(m_yPos, 0, rect.bottom);
}
else
{
RECT rect;
GetClientRect(m_globalHwnd, &rect);
long windowHeight = rect.bottom - rect.top;
long windowWidth =rect.right - rect.left;
m_xPos += m_curState.lX;
m_yPos += m_curState.lY;
BEATS_CLIP_VALUE(m_xPos, 0, windowWidth);
BEATS_CLIP_VALUE(m_yPos, 0, windowHeight);
//there is no difference when we are under exclusive mode.
m_xWindowPos = m_xPos;
m_yWindowPos = m_yPos;
}
}
float SCurveData::Evaluate(float fProgress) const
{
float fRet = 0;
BEATS_CLIP_VALUE(fProgress, 0, 1);
const SCurveKey* pStartKey = nullptr;
const SCurveKey* pEndKey = nullptr;
float fStartTime = 0;
float fEndTime = 0;
BEATS_ASSERT(m_keyList.size() > 0);
for (auto iter = m_keyList.begin(); iter != m_keyList.end(); ++iter)
{
if (iter->first >= fProgress)
{
pEndKey = &iter->second;
fEndTime = iter->first;
break;
}
pStartKey = &iter->second;
fStartTime = iter->first;
}
if (pStartKey == nullptr)
{
BEATS_ASSERT(pEndKey != nullptr);
fRet = pEndKey->m_fValue;
}
else if (pEndKey == nullptr)
{
BEATS_ASSERT(pStartKey != nullptr);
fRet = pStartKey->m_fValue;
}
else
{
fRet = GetCurveValue(fProgress, fStartTime, fEndTime, pStartKey, pEndKey);
}
return fRet;
}
