c096756dab
Updated copyright year (Yay, 515 file updated) Regenerated global headers Fixed some typo Improved some shaders -Blah blah blah- Thank you all for supporting my project ! -Lynix Former-commit-id: e4e741b318ba4f203da5ffd265bd5e516e7ffd7d
81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
// Copyright (C) 2014 Rémi Bèges
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <cmath>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Noise/Config.hpp>
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#include <Nazara/Noise/ComplexNoiseBase.hpp>
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#include <Nazara/Noise/Debug.hpp>
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NzComplexNoiseBase::NzComplexNoiseBase()
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{
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m_parametersModified = true;
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m_lacunarity = 5.0f;
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m_hurst = 1.2f;
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m_octaves = 3.0f;
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for (int i(0) ; i < m_octaves; ++i)
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{
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m_exponent_array[i] = 0;
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}
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}
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float NzComplexNoiseBase::GetLacunarity() const
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{
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return m_lacunarity;
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}
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float NzComplexNoiseBase::GetHurstParameter() const
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{
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return m_hurst;
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}
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float NzComplexNoiseBase::GetOctaveNumber() const
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{
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return m_octaves;
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}
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void NzComplexNoiseBase::SetLacunarity(float lacunarity)
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{
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m_lacunarity = lacunarity;
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m_parametersModified = true;
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}
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void NzComplexNoiseBase::SetHurstParameter(float h)
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{
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m_hurst = h;
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m_parametersModified = true;
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}
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void NzComplexNoiseBase::SetOctavesNumber(float octaves)
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{
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if(octaves <= 30.0f)
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m_octaves = octaves;
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else
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m_octaves = 30.0f;
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m_parametersModified = true;
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}
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void NzComplexNoiseBase::RecomputeExponentArray()
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{
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if(m_parametersModified)
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{
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float frequency = 1.0;
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m_sum = 0.f;
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for (int i(0) ; i < static_cast<int>(m_octaves) ; ++i)
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{
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m_exponent_array[i] = std::pow( frequency, -m_hurst );
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frequency *= m_lacunarity;
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m_sum += m_exponent_array[i];
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}
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m_parametersModified = false;
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}
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}
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