Noise: First pass of refactoring

Former-commit-id: c71e76f337fd3fc1793f105d189f3ceecb80e537 [formerly 5ac3cfc15257e407cb388bcedb1a96be5381ef67]
Former-commit-id: c97fb23feb0e4bd4d6965e83d91a38cec1382e48
This commit is contained in:
Jérôme Leclercq
2016-06-18 12:36:20 +02:00
parent 33f2241d95
commit b0fc1c9bf9
14 changed files with 485 additions and 535 deletions

View File

@@ -11,20 +11,51 @@ namespace Nz
{
}
float FBM::Get(std::initializer_list<float> coordinates, float scale) const
///TODO: Handle with variadic templates
float FBM::Get(float x, float y, float scale) const
{
float value = 0.0;
for(int i(0); i < m_octaves; ++i)
float value = 0.f;
for(int i = 0; i < m_octaves; ++i)
{
value += m_source.Get(coordinates,scale) * m_exponent_array.at(i);
value += m_source.Get(x, y, scale) * m_exponent_array.at(i);
scale *= m_lacunarity;
}
float remainder = m_octaves - static_cast<int>(m_octaves);
if(std::fabs(remainder) > 0.01f)
value += remainder * m_source.Get(coordinates,scale) * m_exponent_array.at(static_cast<int>(m_octaves-1));
value += remainder * m_source.Get(x, y, scale) * m_exponent_array.at(static_cast<int>(m_octaves-1));
return value / m_sum;
}
float FBM::Get(float x, float y, float z, float scale) const
{
float value = 0.f;
for(int i = 0; i < m_octaves; ++i)
{
value += m_source.Get(x, y, z, scale) * m_exponent_array.at(i);
scale *= m_lacunarity;
}
float remainder = m_octaves - static_cast<int>(m_octaves);
if(std::fabs(remainder) > 0.01f)
value += remainder * m_source.Get(x, y, z, scale) * m_exponent_array.at(static_cast<int>(m_octaves-1));
return value / m_sum;
}
float FBM::Get(float x, float y, float z, float w, float scale) const
{
float value = 0.f;
for(int i = 0; i < m_octaves; ++i)
{
value += m_source.Get(x, y, z, w, scale) * m_exponent_array.at(i);
scale *= m_lacunarity;
}
float remainder = m_octaves - static_cast<int>(m_octaves);
if(std::fabs(remainder) > 0.01f)
value += remainder * m_source.Get(x, y, z, w, scale) * m_exponent_array.at(static_cast<int>(m_octaves-1));
return value / m_sum;
}