Visualization of Circle
Circle

A circle.

0 = -1 + x2 + y2

-1 + α2 + β2

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

calc: -1 + x^2 + y^2

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

Shaders