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Use stdlib for trigonometric functions

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Profiling showed this performed significantly faster than the RageFast_ implementations.
This commit is contained in:
sukibaby
2024-07-17 21:37:27 -07:00
committed by teejusb
parent 64fa8e9971
commit e60cf2aa0d
9 changed files with 81 additions and 144 deletions
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src/Actor.cpp
+8 -8
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@@ -544,7 +544,7 @@ void Actor::PreDraw() // calculate actor properties
ssprintf("PercentThroughEffect: %f", fPercentThroughEffect) );
bool bBlinkOn = fPercentThroughEffect > 0.5f;
float fPercentBetweenColors = RageFastSin( (fPercentThroughEffect + 0.25f) * 2 * PI ) / 2 + 0.5f;
float fPercentBetweenColors = std::sin( (fPercentThroughEffect + 0.25f) * 2 * PI ) / 2 + 0.5f;
ASSERT_M( fPercentBetweenColors >= 0 && fPercentBetweenColors <= 1,
ssprintf("PercentBetweenColors: %f, PercentThroughEffect: %f", fPercentBetweenColors, fPercentThroughEffect) );
float fOriginalAlpha = m_current_with_effects.diffuse[0].a;
@@ -590,15 +590,15 @@ void Actor::PreDraw() // calculate actor properties
break;
case rainbow:
m_current_with_effects.diffuse[0] = RageColor(
RageFastCos( fPercentBetweenColors*2*PI ) * 0.5f + 0.5f,
RageFastCos( fPercentBetweenColors*2*PI + PI * 2.0f / 3.0f ) * 0.5f + 0.5f,
RageFastCos( fPercentBetweenColors*2*PI + PI * 4.0f / 3.0f) * 0.5f + 0.5f,
std::cos( fPercentBetweenColors*2*PI ) * 0.5f + 0.5f,
std::cos( fPercentBetweenColors*2*PI + PI * 2.0f / 3.0f ) * 0.5f + 0.5f,
std::cos( fPercentBetweenColors*2*PI + PI * 4.0f / 3.0f) * 0.5f + 0.5f,
fOriginalAlpha );
for( int i=1; i<NUM_DIFFUSE_COLORS; i++ )
m_current_with_effects.diffuse[i] = m_current_with_effects.diffuse[0];
break;
case wag:
m_current_with_effects.rotation += m_vEffectMagnitude * RageFastSin( fPercentThroughEffect * 2.0f * PI );
m_current_with_effects.rotation += m_vEffectMagnitude * std::sin( fPercentThroughEffect * 2.0f * PI );
break;
case spin:
// nothing needs to be here
@@ -610,13 +610,13 @@ void Actor::PreDraw() // calculate actor properties
break;
case bounce:
{
float fPercentOffset = RageFastSin( fPercentThroughEffect*PI );
float fPercentOffset = std::sin( fPercentThroughEffect*PI );
m_current_with_effects.pos += m_vEffectMagnitude * fPercentOffset;
}
break;
case bob:
{
float fPercentOffset = RageFastSin( fPercentThroughEffect*PI*2 );
float fPercentOffset = std::sin( fPercentThroughEffect*PI*2 );
m_current_with_effects.pos += m_vEffectMagnitude * fPercentOffset;
}
break;
@@ -624,7 +624,7 @@ void Actor::PreDraw() // calculate actor properties
{
float fMinZoom = m_vEffectMagnitude[0];
float fMaxZoom = m_vEffectMagnitude[1];
float fPercentOffset = RageFastSin( fPercentThroughEffect*PI );
float fPercentOffset = std::sin( fPercentThroughEffect*PI );
float fZoom = SCALE( fPercentOffset, 0.f, 1.f, fMinZoom, fMaxZoom );
m_current_with_effects.scale *= fZoom;