diff options
Diffstat (limited to 'core/math/random_pcg.cpp')
| -rw-r--r-- | core/math/random_pcg.cpp | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/core/math/random_pcg.cpp b/core/math/random_pcg.cpp index 8bbcca88fe..45467b32b2 100644 --- a/core/math/random_pcg.cpp +++ b/core/math/random_pcg.cpp @@ -32,24 +32,25 @@ #include "core/os/os.h" -RandomPCG::RandomPCG(uint64_t seed, uint64_t inc) : - pcg() { - pcg.state = seed; - pcg.inc = inc; +RandomPCG::RandomPCG(uint64_t p_seed, uint64_t p_inc) : + pcg(), + current_seed(DEFAULT_SEED) { + pcg.inc = p_inc; + seed(p_seed); } void RandomPCG::randomize() { seed(OS::get_singleton()->get_ticks_usec() * pcg.state + PCG_DEFAULT_INC_64); } -double RandomPCG::random(double from, double to) { +double RandomPCG::random(double p_from, double p_to) { unsigned int r = rand(); double ret = (double)r / (double)RANDOM_MAX; - return (ret) * (to - from) + from; + return (ret) * (p_to - p_from) + p_from; } -float RandomPCG::random(float from, float to) { +float RandomPCG::random(float p_from, float p_to) { unsigned int r = rand(); float ret = (float)r / (float)RANDOM_MAX; - return (ret) * (to - from) + from; + return (ret) * (p_to - p_from) + p_from; } |