Revert "experiments with perlin noise"

This reverts commit 6d2f0b54d6ba4e24c1e83c7213158aa2b421616f.
Revert "playing with terrain gen"

This reverts commit c19b2959d8cd9c1931b68fe8ee52d839dbe9749e.
Revert "started working on own terrain generator"

This reverts commit 4842750f4fc4e69a03c34a6ddf97e4767c5a5465.