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Former-commit-id: b459cfe0c83f651cc660d42f7d3014c3b146f345
This commit is contained in:
Lynix
2015-09-24 00:55:57 +02:00
parent ce3bbf6c78
commit dea3fb4e39
87 changed files with 1206 additions and 1205 deletions
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64
src/Nazara/Noise/HybridMultifractal2D.cpp
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@@ -11,54 +11,54 @@
NzHybridMultiFractal2D::NzHybridMultiFractal2D(nzNoises source, unsigned int seed)
{
switch(source)
{
case PERLIN:
m_source = new NzPerlin2D();
break;
switch(source)
{
case PERLIN:
m_source = new NzPerlin2D();
break;
default:
m_source = new NzSimplex2D();
break;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
default:
m_source = new NzSimplex2D();
break;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
float NzHybridMultiFractal2D::GetValue(float x, float y, float resolution)
{
this->RecomputeExponentArray();
this->RecomputeExponentArray();
m_offset = 1.0f;
m_offset = 1.0f;
m_value = (m_source->GetValue(x,y,resolution) + m_offset) * m_exponent_array[0];
m_weight = m_value;
m_signal = 0.f;
m_value = (m_source->GetValue(x,y,resolution) + m_offset) * m_exponent_array[0];
m_weight = m_value;
m_signal = 0.f;
resolution *= m_lacunarity;
resolution *= m_lacunarity;
for(int i(1) ; i < m_octaves; ++i)
{
if (m_weight > 1.f)
m_weight = 1.f;
for(int i(1) ; i < m_octaves; ++i)
{
if (m_weight > 1.f)
m_weight = 1.f;
m_signal = (m_source->GetValue(x,y,resolution) + m_offset) * m_exponent_array[i];
m_value += m_weight * m_signal;
m_signal = (m_source->GetValue(x,y,resolution) + m_offset) * m_exponent_array[i];
m_value += m_weight * m_signal;
m_weight *= m_signal;
m_weight *= m_signal;
resolution *= m_lacunarity;
}
resolution *= m_lacunarity;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if (m_remainder > 0.f)
m_value += m_remainder * m_source->GetValue(x,y,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
m_remainder = m_octaves - static_cast<int>(m_octaves);
if (m_remainder > 0.f)
m_value += m_remainder * m_source->GetValue(x,y,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum - m_offset;
return m_value/this->m_sum - m_offset;
}
NzHybridMultiFractal2D::~NzHybridMultiFractal2D()
{
delete m_source;
delete m_source;
}