what does atan2 mean in processing

what does atan2 mean in processing In computing and mathematics the function atan2 is the 2 argument arctangent By definition is the angle measure in radians with between the positive displaystyle x axis and the ray from the origin to the point in the Cartesian plane Equivalently is the argument also called phase or angle of the complex number The argument of a function and the argument of a complex number e

Atan2 y x Returns the principal value of the arc tangent of y x expressed in radians Notice that because of the sign ambiguity a function cannot determine with certainty Calculates the angle in radians from a specified point to the coordinate origin as measured from the positive x axis Values are returned as a float in the range from PI to PI

what does atan2 mean in processing

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what does atan2 mean in processing
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The atan2 function is most often used for orienting geometry to the position of the cursor Note The y coordinate of the point is the first parameter and the x coordinate is the second Description The inverse of tan returns the arc tangent of a value This function expects the values in the range of Infinity to Infinity exclusive and values are returned in the range PI 2

Atan2 Calculates the angle in radians from a specified point to the coordinate origin as measured from the positive x axis Values are returned as a float in the range from PI to PI The atan2 function is most often used for orienting geometry to the position of the cursor Note The y coordinate of the point is the first parameter and the x coordinate is the second

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The atan2 function is most often used for orienting geometry to the position of the cursor Note The y coordinate of the point is the first parameter and the x coordinate is the second Move the mouse to change the direction of the eyes The atan2 function computes the angle from each eye to the cursor

To convert to 0 to 360 degree values first you must adjust the range of atan2 results then convert to degrees shown here as a vectorized operation in pseudo code rad atan2 y x But atan2 returns radians not degrees So I want to calculate the heading of a moving object and this is what I found double heading double x double y double head

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what does atan2 mean in processing - Description The inverse of tan returns the arc tangent of a value This function expects the values in the range of Infinity to Infinity exclusive and values are returned in the range PI 2