Jumping Jack

0 = -1 + 48xy + -64x²y + -64xy²

-1 + 48αβ + -64α²β + -64αβ²

JSON: { "0,0": "-1", "1,1": "48", "2,1": "-64", "1,2": "-64" }

calc: -1 + 48*x*y + -64*x^2*y + -64*x*y^2

GLSL: -1.0+48.0*x*y+-64.0*x*x*y+-64.0*x*y*y