more complex generation

cubes.h

@@ -6,7 +6,7 @@
 #define CHUNK_RADIUS_H 4 // 8
 #define CHUNK_RADIUS_V 4 // 4
 
-#define TEXT_GAP_H 1 / 3.0
+#define TEXT_GAP_H 1 / 6.0
 #define TEXT_GAP_V 1 / 6.0
 
 #define CHUNK_DIAMETER_H (CHUNK_RADIUS_H * 2 + 1)

noise.c

@@ -61,12 +61,15 @@ struct chunk noise_chunk(struct chunk chunk, int x, int y, int z) {
       int z3 = z2 + z * CHUNK_LENGTH;
       double hp = noise_perlin(x3, z3, 128.0, default_seed);
       hp = ((hp > 0.0) ? -1.0 : 1.0) * (pow(fabs(hp), 0.7));
-      hp *= 32.0;
-      int h = hp + 32;
+      hp *= 128.0;
+      int h = hp + 64;
 
       for (int y2 = 0; y2 < CHUNK_LENGTH; y2++) {
         int y3 = y2 + y * CHUNK_LENGTH;
-        chunk.blocks[c] = (y3 < h) ? (((int)((hp + 64.0) * 2.98) % 3) + 1) : 0;
+        chunk.blocks[c] = 0;
+        if (y3 < h) chunk.blocks[c] = 4;
+        if (y3 < h - 1) chunk.blocks[c] = 5;
+        if (y3 < h - 2) chunk.blocks[c] = 6;
         c++;
       }
     }

noise.h

@@ -3,10 +3,5 @@
 #define V_NOISE_H
 #include "cubes.h"
 #include <math.h>
-double noise_interpolate(double a0, double a1, double w);
-int noise_hash(int a, int b);
-struct v2f noise_perlin_grad(int x, int y, int seed);
-double noise_perlin_dot(double ix, double iy, double x, double y, int seed);
-double noise_perlin(double x, double y, double s, int seed);
 struct chunk noise_chunk(struct chunk chunk, int x, int y, int z);
 #endif