use 3 octaves for solid generation noise

[blank.git] / src / generator.cpp

diff --git a/src/generator.cpp b/src/generator.cpp
index 43d932cceae421473bc391820370c36dccc1fac7..dc83b89b7c681a541aef9374595967501592f8f7 100644 (file)
--- a/src/generator.cpp
+++ b/src/generator.cpp
@@ -8,7 +8,7 @@ namespace blank {
 Generator::Generator(const Config &config)
 : solidNoise(config.solid_seed)
 , typeNoise(config.type_seed)
-, stretch(config.stretch)
+, stretch(1.0f/config.stretch)
 , solid_threshold(config.solid_threshold)
 , space(0)
 , light(0)
@@ -25,8 +25,8 @@ void Generator::operator ()(Chunk &chunk) const {
                for (int y = 0; y < Chunk::Height(); ++y) {
                        for (int x = 0; x < Chunk::Width(); ++x) {
                                Block::Pos block_pos(x, y, z);
-                               glm::vec3 gen_pos = (coords + block_pos) / stretch;
-                               float val = solidNoise(gen_pos);
+                               glm::vec3 gen_pos = (coords + block_pos) * stretch;
+                               float val = OctaveNoise(solidNoise, coords + block_pos, 3, 0.5f, stretch, 2.0f);
                                if (val > solid_threshold) {
                                        int type_val = int((typeNoise(gen_pos) + 1.0f) * solids.size()) % solids.size();
                                        chunk.SetBlock(block_pos, Block(solids[type_val]));