本文整理汇总了C++中LLViewerRegion::getPosRegionFromAgent方法的典型用法代码示例。如果您正苦于以下问题：C++ LLViewerRegion::getPosRegionFromAgent方法的具体用法？C++ LLViewerRegion::getPosRegionFromAgent怎么用？C++ LLViewerRegion::getPosRegionFromAgent使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LLViewerRegion的用法示例。
在下文中一共展示了LLViewerRegion::getPosRegionFromAgent方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: updateParticles
void LLViewerPartGroup::updateParticles(const F32 lastdt)
{
LLMemType mt(LLMemType::MTYPE_PARTICLES);
F32 dt;
LLVector3 gravity(0.f, 0.f, GRAVITY);
LLViewerPartSim::checkParticleCount(mParticles.size());
LLViewerRegion *regionp = getRegion();
S32 end = (S32) mParticles.size();
for (S32 i = 0 ; i < (S32)mParticles.size();)
{
LLVector3 a(0.f, 0.f, 0.f);
LLViewerPart* part = mParticles[i] ;
dt = lastdt + mSkippedTime - part->mSkipOffset;
part->mSkipOffset = 0.f;
// Update current time
const F32 cur_time = part->mLastUpdateTime + dt;
const F32 frac = cur_time / part->mMaxAge;
// "Drift" the object based on the source object
if (part->mFlags & LLPartData::LL_PART_FOLLOW_SRC_MASK)
{
part->mPosAgent = part->mPartSourcep->mPosAgent;
part->mPosAgent += part->mPosOffset;
}
// Do a custom callback if we have one...
if (part->mVPCallback)
{
(*part->mVPCallback)(*part, dt);
}
if (part->mFlags & LLPartData::LL_PART_WIND_MASK)
{
LLVector3 tempVel(part->mVelocity);
part->mVelocity *= 1.f - 0.1f*dt;
part->mVelocity += 0.1f*dt*regionp->mWind.getVelocity(regionp->getPosRegionFromAgent(part->mPosAgent));
}
// Now do interpolation towards a target
if (part->mFlags & LLPartData::LL_PART_TARGET_POS_MASK)
{
F32 remaining = part->mMaxAge - part->mLastUpdateTime;
F32 step = dt / remaining;
step = llclamp(step, 0.f, 0.1f);
step *= 5.f;
// we want a velocity that will result in reaching the target in the
// Interpolate towards the target.
LLVector3 delta_pos = part->mPartSourcep->mTargetPosAgent - part->mPosAgent;
delta_pos /= remaining;
part->mVelocity *= (1.f - step);
part->mVelocity += step*delta_pos;
}
if (part->mFlags & LLPartData::LL_PART_TARGET_LINEAR_MASK)
{
LLVector3 delta_pos = part->mPartSourcep->mTargetPosAgent - part->mPartSourcep->mPosAgent;
part->mPosAgent = part->mPartSourcep->mPosAgent;
part->mPosAgent += frac*delta_pos;
part->mVelocity = delta_pos;
}
else
{
// Do velocity interpolation
part->mPosAgent += dt*part->mVelocity;
part->mPosAgent += 0.5f*dt*dt*part->mAccel;
part->mVelocity += part->mAccel*dt;
}
// Do a bounce test
if (part->mFlags & LLPartData::LL_PART_BOUNCE_MASK)
{
// Need to do point vs. plane check...
// For now, just check relative to object height...
F32 dz = part->mPosAgent.mV[VZ] - part->mPartSourcep->mPosAgent.mV[VZ];
if (dz < 0)
{
part->mPosAgent.mV[VZ] += -2.f*dz;
part->mVelocity.mV[VZ] *= -0.75f;
}
}
// Reset the offset from the source position
if (part->mFlags & LLPartData::LL_PART_FOLLOW_SRC_MASK)
{
part->mPosOffset = part->mPosAgent;
part->mPosOffset -= part->mPartSourcep->mPosAgent;
}
// Do color interpolation
if (part->mFlags & LLPartData::LL_PART_INTERP_COLOR_MASK)
//.........这里部分代码省略.........