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CFluidPlaneCPU: Eliminate sign conversions in CTurbulence constructor

This commit is contained in:
Lioncash 2020-05-12 16:57:42 -04:00
parent c60290819e
commit dc32bee499
1 changed files with 9 additions and 9 deletions
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18
Runtime/World/CFluidPlaneCPU.cpp
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@ -29,17 +29,17 @@ CFluidPlaneCPU::CTurbulence::CTurbulence(float speed, float distance, float freq
x24_tableCount = kTableSize;
x28_heightSelPitch = x24_tableCount;
x20_table.reset(new float[x24_tableCount]);
float anglePitch = 2.f * M_PIF / x28_heightSelPitch;
float freqConstant = 0.5f * (x8_freqMax + xc_freqMin);
float freqLinear = 0.5f * (x8_freqMax - xc_freqMin);
float phaseConstant = 0.5f * (x10_phaseMax + x14_phaseMin);
float phaseLinear = 0.5f * (x10_phaseMax - x14_phaseMin);
float amplitudeConstant = 0.5f * (x18_amplitudeMax + x1c_amplitudeMin);
float amplitudeLinear = 0.5f * (x18_amplitudeMax - x1c_amplitudeMin);
const float anglePitch = 2.f * M_PIF / x28_heightSelPitch;
const float freqConstant = 0.5f * (x8_freqMax + xc_freqMin);
const float freqLinear = 0.5f * (x8_freqMax - xc_freqMin);
const float phaseConstant = 0.5f * (x10_phaseMax + x14_phaseMin);
const float phaseLinear = 0.5f * (x10_phaseMax - x14_phaseMin);
const float amplitudeConstant = 0.5f * (x18_amplitudeMax + x1c_amplitudeMin);
const float amplitudeLinear = 0.5f * (x18_amplitudeMax - x1c_amplitudeMin);
float curAng = 0.f;
for (int i = 0; i < x24_tableCount; ++i, curAng += anglePitch) {
float angCos = std::cos(curAng);
for (size_t i = 0; i < x24_tableCount; ++i, curAng += anglePitch) {
const float angCos = std::cos(curAng);
x20_table[i] = (amplitudeLinear * angCos + amplitudeConstant) *
std::sin((freqLinear * angCos + freqConstant) * curAng + (phaseLinear * angCos + phaseConstant));
}