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1 files changed, 40 insertions, 0 deletions

diff --git a/Minecraft.World/SimplexNoise.h b/Minecraft.World/SimplexNoise.h
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+++ b/Minecraft.World/SimplexNoise.h
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+#pragma once
+
+class SimplexNoise
+{
+private:
+    static int grad3[12][3];
+
+    int *p;
+
+    static double F2;
+    static double G2;
+	static double F3;
+    static double G3;
+
+public:
+    double scale;
+    double xo, yo, zo;
+
+    SimplexNoise();
+    SimplexNoise(Random *random);
+	void init(Random *random);
+	~SimplexNoise();
+
+    // This method is a *lot* faster than using (int)Math.floor(x)
+private:
+    static int fastfloor(double x);
+    static double dot(int *g, double x, double y);
+    static double dot(int *g, double x, double y, double z);
+
+    // 2D simplex noise
+public:
+    double getValue(double xin, double yin);
+
+    // 3D simplex noise
+    double getValue(double xin, double yin, double zin);
+
+    void add(doubleArray buffer, double _x, double _y, int xSize, int ySize, double xs, double ys, double pow);
+    void add(doubleArray buffer, double _x, double _y, double _z, int xSize, int ySize, int zSize, double xs, double ys, double zs, double pow);
+    
+};