+Unity Runtime codeHEADmaster

1 files changed, 41 insertions, 0 deletions

diff --git a/Runtime/Graphics/ParticleSystem/Modules/SizeModule.cpp b/Runtime/Graphics/ParticleSystem/Modules/SizeModule.cpp
new file mode 100644
index 0000000..ad08a4a
--- /dev/null
+++ b/Runtime/Graphics/ParticleSystem/Modules/SizeModule.cpp
@@ -0,0 +1,41 @@
+#include "UnityPrefix.h"
+#include "SizeModule.h"
+#include "Runtime/BaseClasses/ObjectDefines.h"
+#include "Runtime/Serialize/TransferFunctions/SerializeTransfer.h"
+#include "Runtime/Math/Random/Random.h"
+#include "Runtime/Graphics/ParticleSystem/ParticleSystemUtils.h"
+
+template<ParticleSystemCurveEvalMode mode>
+void UpdateTpl(const MinMaxCurve& curve, const ParticleSystemParticles& ps, float* tempSize, size_t fromIndex, size_t toIndex)
+{
+	for (size_t q = fromIndex; q < toIndex; ++q)
+	{
+		const float time = NormalizedTime(ps, q);
+		const float random = GenerateRandom(ps.randomSeed[q] + kParticleSystemSizeCurveId);
+		tempSize[q] *= max<float>(0.0f, Evaluate<mode> (curve, time, random));
+	}
+}
+
+SizeModule::SizeModule() : ParticleSystemModule(false)
+{}
+
+void SizeModule::Update (const ParticleSystemParticles& ps, float* tempSize, size_t fromIndex, size_t toIndex)
+{
+	DebugAssert(toIndex <= ps.array_size ());
+	if(m_Curve.minMaxState == kMMCScalar)
+		UpdateTpl<kEMScalar>(m_Curve, ps, tempSize, fromIndex, toIndex);
+	else if (m_Curve.IsOptimized() && m_Curve.UsesMinMax ())
+		UpdateTpl<kEMOptimizedMinMax>(m_Curve, ps, tempSize, fromIndex, toIndex);
+	else if(m_Curve.IsOptimized())
+		UpdateTpl<kEMOptimized>(m_Curve, ps, tempSize, fromIndex, toIndex);
+	else
+		UpdateTpl<kEMSlow>(m_Curve, ps, tempSize, fromIndex, toIndex);
+}
+
+template<class TransferFunction>
+void SizeModule::Transfer (TransferFunction& transfer)
+{
+	ParticleSystemModule::Transfer (transfer);
+	transfer.Transfer (m_Curve, "curve");
+}
+INSTANTIATE_TEMPLATE_TRANSFER(SizeModule)