Converts a radian measurement to its corresponding value in degrees. Radians and degrees are two ways of measuring the same thing. There are 360 degrees in a circle and 2*PI radians in a circle. For example, 90° = PI/2 = 1.5707964. All trigonometric functions in Processing require their parameters to be specified in radians.
float rad = PI/4; float deg = degrees(rad); println(rad + " radians is " + deg + " degrees");
(float)radian value to convert to degrees
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