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Improve loops using std::fill_n() [skip ci]

This commit is contained in:
DelinWorks 2022-05-23 11:11:55 +03:00
parent ba5eb463cc
commit 09fa4da845
1 changed files with 7 additions and 41 deletions
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48
core/2d/CCParticleSystem.cpp
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@ -670,12 +670,7 @@ void ParticleSystem::addParticles(int count, int animationCellIndex, int animati
}
if (animationCellIndex != -1)
{
for (int i = start; i < _particleCount; ++i)
{
_particleData.animCellIndex[i] = animationCellIndex;
}
}
std::fill_n(_particleData.animCellIndex + start, _particleCount - start, animationCellIndex);
if (animationIndex == -1 && !_animations.empty())
{
@ -694,27 +689,14 @@ void ParticleSystem::addParticles(int count, int animationCellIndex, int animati
}
if (_isEmitterAnimated || _isLoopAnimated)
{
for (int i = start; i < _particleCount; ++i)
{
_particleData.animTimeDelta[i] = 0;
}
}
if (_isLoopAnimated && _animations.empty())
{
for (int i = start; i < _particleCount; ++i)
{
_particleData.animTimeDelta[i] = 0;
}
}
std::fill_n(_particleData.animTimeDelta + start, _particleCount - start, 0);
if (animationIndex != -1)
{
for (int i = start; i < _particleCount; ++i)
{
_particleData.animIndex[i] = animationIndex;
auto& descriptor = _animations.at(_particleData.animIndex[i]);
auto& descriptor = _animations.at(animationIndex);
_particleData.animTimeLength[i] =
descriptor.animationSpeed + descriptor.animationSpeedVariance * RANDOM_M11(&RANDSEED);
}
@ -765,12 +747,7 @@ void ParticleSystem::addParticles(int count, int animationCellIndex, int animati
}
}
else
{
for (int i = start; i < _particleCount; ++i)
{
_particleData.deltaSize[i] = 0.0f;
}
}
std::fill_n(_particleData.deltaSize + start, _particleCount - start, 0.0F);
// rotation
for (int i = start; i < _particleCount; ++i)
@ -799,14 +776,8 @@ void ParticleSystem::addParticles(int count, int animationCellIndex, int animati
{
pos = _position;
}
for (int i = start; i < _particleCount; ++i)
{
_particleData.startPosX[i] = pos.x;
}
for (int i = start; i < _particleCount; ++i)
{
_particleData.startPosY[i] = pos.y;
}
std::fill_n(_particleData.startPosX + start, _particleCount - start, pos.x);
std::fill_n(_particleData.startPosY + start, _particleCount - start, pos.y);
// Mode Gravity: A
if (_emitterMode == Mode::GRAVITY)
@ -875,12 +846,7 @@ void ParticleSystem::addParticles(int count, int animationCellIndex, int animati
}
if (modeB.endRadius == START_RADIUS_EQUAL_TO_END_RADIUS)
{
for (int i = start; i < _particleCount; ++i)
{
_particleData.modeB.deltaRadius[i] = 0.0f;
}
}
std::fill_n(_particleData.modeB.deltaRadius + start, _particleCount - start, 0.0F);
else
{
for (int i = start; i < _particleCount; ++i)