wip generator

src/rand.c

@@ -5,15 +5,17 @@ float seed;
 void set_seed(unsigned long new_seed) { seed = (float)(new_seed % 1000000); }
 
 float rand(float seed) {
-  float v = powf(fabs(seed), 6. / 7.);
+  float v = powf(seed, 6. / 7.);
   v *= sinf(v) + 1.;
   return v - floorf(v);
 }
 
-unsigned char rand_uchar(unsigned int max) {
+float rand_float(const float max) { return rand(seed++) * max; }
+
+unsigned char rand_uchar(const unsigned int max) {
   return (unsigned char)(rand(seed++) * max);
 }
 
-unsigned short rand_ushort(unsigned int max) {
+unsigned short rand_ushort(const unsigned int max) {
   return (unsigned short)(rand(seed++) * max);
 }