Quartz Composer JavaScript Reference © Cybero Designs  

atan2

Type Method
Format Math.atan (Y, X)
Commentary
Angle from the XY coordinates (in radians) calculated.
Sample code - QC 2 JavaScript
x = inputs [0];
y = inputs [1];
rad = Math.atan2 (y, x);
outputs [0] = rad * 180/Math.PI;
Sample code - QC 3 JavaScript
function (__number outputNumber) main (__number inputNumber[2])
{
var result = new Object();
x = inputNumber[0];
y = inputNumber[1];
rad = Math.atan2(y,x);
result.outputNumber = rad * 180/Math.PI;
return result;
}

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