first attempt at world generation

[blank.git] / src / noise.hpp

diff --git a/src/noise.hpp b/src/noise.hpp
new file mode 100644 (file)
index 0000000..30bf527
--- /dev/null
+++ b/src/noise.hpp
@@ -0,0 +1,29 @@
+#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