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-rw-r--r--src/util/numeric.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/util/numeric.h b/src/util/numeric.h
index 32a6f4312..265046a63 100644
--- a/src/util/numeric.h
+++ b/src/util/numeric.h
@@ -223,6 +223,8 @@ u32 myrand();
void mysrand(unsigned int seed);
void myrand_bytes(void *out, size_t len);
int myrand_range(int min, int max);
+float myrand_range(float min, float max);
+float myrand_float();
/*
Miscellaneous functions
@@ -446,3 +448,24 @@ inline irr::video::SColor multiplyColorValue(const irr::video::SColor &color, fl
core::clamp<u32>(color.getGreen() * mod, 0, 255),
core::clamp<u32>(color.getBlue() * mod, 0, 255));
}
+
+template <typename T> inline T numericAbsolute(T v) { return v < 0 ? T(-v) : v; }
+template <typename T> inline T numericSign(T v) { return T(v < 0 ? -1 : (v == 0 ? 0 : 1)); }
+
+inline v3f vecAbsolute(v3f v)
+{
+ return v3f(
+ numericAbsolute(v.X),
+ numericAbsolute(v.Y),
+ numericAbsolute(v.Z)
+ );
+}
+
+inline v3f vecSign(v3f v)
+{
+ return v3f(
+ numericSign(v.X),
+ numericSign(v.Y),
+ numericSign(v.Z)
+ );
+}