X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fnoise.hpp;fp=src%2Fnoise.hpp;h=30bf5279defb3d36b5f2fed5548135d25a561191;hb=f62562b0f87d571bd7b32ae2f8ca659c24e9911b;hp=0000000000000000000000000000000000000000;hpb=4422bc40677f5a8e476fc89ada56b33c50f25bd8;p=blank.git

diff --git a/src/noise.hpp b/src/noise.hpp
new file mode 100644
index 0000000..30bf527
--- /dev/null
+++ b/src/noise.hpp
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+#ifndef BLANK_NOISE_HPP_
+#define BLANK_NOISE_HPP_
+
+#include <glm/glm.hpp>
+
+
+namespace blank {
+
+/// (3D only) adaptation of Stefan Gustavson's SimplexNoise java class
+class SimplexNoise {
+
+public:
+	explicit SimplexNoise(unsigned int seed);
+
+	float operator ()(const glm::vec3 &) const;
+
+private:
+	unsigned char Perm(size_t idx) const;
+	const glm::vec3 &Grad(size_t idx) const;
+
+private:
+	unsigned char perm[256];
+	glm::vec3 grad[12];
+
+};
+
+}
+
+#endif