Variables
Const DEG2RAD
DEG2RAD: number = PI / 180
Let EPS
EPS: number = 0.000001
Const HALF_PI
HALF_PI: number = PI / 2
Const INV_HALF_PI
INV_HALF_PI: number = 1 / HALF_PI
Const INV_PI
INV_PI: number = 1 / PI
Const INV_TAU
INV_TAU: number = 1 / TAU
Const PHI
PHI: number = (1 + Math.sqrt(5)) / 2
Const PI
PI: number = Math.PI
Const QUARTER_PI
QUARTER_PI: number = PI / 4
Const RAD2DEG
RAD2DEG: number = 180 / PI
Const SIXTH
SIXTH: number = 1 / 6
Const SIXTH_PI
SIXTH_PI: number = PI / 6
Const SQRT2
SQRT2: number = Math.SQRT2
Const SQRT2_2
SQRT2_2: number = SQRT2 / 2
Const SQRT2_3
SQRT2_3: number = SQRT3 / 2
Const SQRT3
SQRT3: number = Math.sqrt(3)
Const TAU
TAU: number = PI * 2
Const THIRD
THIRD: number = 1 / 3
Const THIRD_PI
THIRD_PI: number = PI / 3
Const TWO_THIRD
TWO_THIRD: number = 2 / 3