diff options
| author | JustSomePwner <crotchyalt@gmail.com> | 2018-08-30 14:01:54 +0200 |
|---|---|---|
| committer | JustSomePwner <crotchyalt@gmail.com> | 2018-08-30 14:01:54 +0200 |
| commit | 7ccb819f867493f8ec202ea3b39c94c198c64584 (patch) | |
| tree | 94622e61af0ff359e3d6689cf274d74f60b2492a /loader/math.hpp | |
| parent | 564d979b79e8a5aaa5014eba0ecd36c61575934f (diff) | |
first
Diffstat (limited to 'loader/math.hpp')
| -rw-r--r-- | loader/math.hpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/loader/math.hpp b/loader/math.hpp new file mode 100644 index 0000000..bebe7d5 --- /dev/null +++ b/loader/math.hpp @@ -0,0 +1,60 @@ +#pragma once
+#include <random>
+#include "util.hpp"
+
+static constexpr long double M_PI = 3.14159265358979323846f;
+static constexpr long double M_RADPI = 57.295779513082f;
+static constexpr long double M_PIRAD = 0.01745329251f;
+static constexpr float M_PI_F = ( ( float )( M_PI ) );
+__forceinline float RAD2DEG( float x ) { return( ( float )( x ) * ( float )( 180.f / M_PI_F ) ); }
+__forceinline float DEG2RAD( float x ) { return( ( float )( x ) * ( float )( M_PI_F / 180.f ) ); }
+
+namespace {
+ //make a random generator and seed it with a p random number
+ static std::random_device rd;
+ static std::mt19937 gen( rd( ) );
+}
+
+NAMESPACE_REGION( math )
+
+#undef min
+#undef max
+
+template < typename t >
+t min( const t& t1, const t& t2 ) {
+ return t1 < t2 ? t1 : t2;
+}
+
+template < typename t, typename... ts_ >
+t min( const t& t1, const t& t2, ts_&&... ts ) {
+ return t1 < t2 ?
+ min( t1, std::forward< ts_ >( ts )... ) :
+ min( t2, std::forward< ts_ >( ts )... );
+}
+
+template < typename t >
+t max( const t& t1, const t& t2 ) {
+ return t1 > t2 ? t1 : t2;
+}
+
+template < typename t, typename... ts_ >
+t max( const t& t1, const t& t2, ts_&&... ts ) {
+ return t1 > t2 ?
+ max( t1, std::forward< ts_ >( ts )... ) :
+ max( t2, std::forward< ts_ >( ts )... );
+}
+
+// todo - dex; make 2 random generator funcs here, this one only works for floats normally
+
+template < typename t > __forceinline t random_number( t min, t max ) {
+ if constexpr( !std::is_integral_v< t > ) {
+ std::uniform_real_distribution< t > dist( min, max );
+ return dist( gen );
+ }
+ else {
+ std::uniform_int_distribution< t > dist( min, max );
+ return dist( gen );
+ }
+}
+
+END_REGION
\ No newline at end of file |