Suppressed perlin1d, added perlin 2,3,4 and simplex 2 classes + minor

fixes/optimisations on noisemachine

include/Nazara/Noise/Perlin2D.hpp

@@ -0,0 +1,40 @@
+// Copyright (C) 2012 Rémi Bèges
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef PERLIN2D_H
+#define PERLIN2D_H
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Noise/NoiseBase.hpp>
+#include <Nazara/Math/Vector2.hpp>
+
+template <typename T> class NzPerlin2D : public NzNoiseBase
+{
+    public:
+        NzPerlin2D();
+        T GetValue(T x, T y, T res);
+        ~NzPerlin2D() = default;
+    protected:
+    private:
+        int x0, y0;
+        int gi0,gi1,gi2,gi3;
+        int ii, jj;
+        T gradient2[8][2];
+        T s,t,u,v;
+        T Cx,Cy;
+        T Li1, Li2;
+        T nx, ny;
+        T tmp;
+        NzVector2<T> temp;
+};
+
+typedef NzPerlin2D<float>  NzPerlin2Df;
+typedef NzPerlin2D<double> NzPerlin2Dd;
+
+#include <Nazara/Noise/Perlin2D.inl>
+
+#endif // PERLIN2D_H
+