regular expression to detect a number within a string with optional minus and fractional part
regular expression to detect a number within a string with optional minus and fractional part
A value to multiply a degree value by, to convert it to radians .
A value to multiply a degree value by, to convert it to radians .
The value PI/2 as a float .
The value 1/PI as a float .
The value PI as a float .
The value PI/4 as a float .
A value to multiply a radian value by, to convert it to degrees .
A value to multiply a radian value by, to convert it to degrees .
The value PI/3 as a float .
The value 2PI as a float .
Finds the intersection point between two lines (Original code by Guillaume Stagnaro)
Finds the intersection point between two lines (Original code by Guillaume Stagnaro)
returns true when the two lines intersect, otherwise false
Global utility methods for the physics library
Reduces the given angle into the -PI/4 .
Reduces the given angle into the -PI/4 . .. PI/4 interval.
reduced angle
no summary matey
returns true when a and b are both positive or negative number
no summary matey
Returns the signum function of the argument; zero if the argument is zero, 1 . 0f if the argument is greater than zero, -1.0f if the argument is less than zero.
spherical linear interpolation
spherical linear interpolation
http://en . wikipedia.org/wiki/Slerp
Provides simplified access to the most frequently used classes and objects