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authorchai <chaifix@163.com>2018-11-18 23:44:40 +0800
committerchai <chaifix@163.com>2018-11-18 23:44:40 +0800
commit8cb74178c2b8e5883a1181af687fa8cfc0c6e5da (patch)
treef56c536a029148df35bd4e82034a9b563a2381df /src/libjin/Math/je_random.cpp
parentf0f340dec7821cee103ab9267ef941a917ef4dc4 (diff)
*修改目录为小写
Diffstat (limited to 'src/libjin/Math/je_random.cpp')
-rw-r--r--src/libjin/Math/je_random.cpp52
1 files changed, 0 insertions, 52 deletions
diff --git a/src/libjin/Math/je_random.cpp b/src/libjin/Math/je_random.cpp
deleted file mode 100644
index 216fd79..0000000
--- a/src/libjin/Math/je_random.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-#include <math.h>
-#include "je_random.h"
-
-namespace JinEngine
-{
- namespace Math
- {
-
- RandomGenerator::RandomGenerator(uint32 seed)
- : mSeed(seed)
- {
- }
-
- uint32 RandomGenerator::rand()
- {
- unsigned int next = mSeed;
- uint32 result;
-
- next *= 1103515245;
- next += 12345;
- result = (unsigned int)(next / 65536) % 2048;
-
- next *= 1103515245;
- next += 12345;
- result <<= 10;
- result ^= (unsigned int)(next / 65536) % 1024;
-
- next *= 1103515245;
- next += 12345;
- result <<= 10;
- result ^= (unsigned int)(next / 65536) % 1024;
-
- mSeed = next;
-
- return result;
- }
-
- uint32 RandomGenerator::rand(uint32 min, uint32 max)
- {
- uint32 n = rand();
- return n % (max - min + 1) + min;
- }
-
- float RandomGenerator::randf(float min, float max, int ac)
- {
- uint32 a = pow(10.f, ac);
- uint32 n = rand(min*a, max*a);
- return (float)n / a;
- }
-
- }
-} \ No newline at end of file