// This file was auto-generated. Please do not edit it.

import p5 = require("../../index");

declare module '../../index' {
    interface p5InstanceExtensions {
        /**
         *   The inverse of cos(), returns the arc cosine of a
         *   value. This function expects the values in the
         *   range of -1 to 1 and values are returned in the
         *   range 0 to PI (3.1415927) if the angleMode() is
         *   RADIANS or 0 to 180 if the angleMode() is DEGREES.
         *   @param value the value whose arc cosine is to be
         *   returned
         *   @return the arc cosine of the given value
         */
        acos(value: number): number;

        /**
         *   The inverse of sin(), returns the arc sine of a
         *   value. This function expects the values in the
         *   range of -1 to 1 and values are returned in the
         *   range -PI/2 to PI/2 if the angleMode is RADIANS or
         *   -90 to 90 if the angle mode is DEGREES.
         *   @param value the value whose arc sine is to be
         *   returned
         *   @return the arc sine of the given value
         */
        asin(value: number): number;

        /**
         *   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 to PI/2 if
         *   the angleMode is RADIANS or -90 to 90 if the angle
         *   mode is DEGREES.
         *   @param value the value whose arc tangent is to be
         *   returned
         *   @return the arc tangent of the given value
         */
        atan(value: number): number;

        /**
         *   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 if the
         *   angleMode() is RADIANS or 180 to -180 if the
         *   angleMode() is DEGREES. 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 parameter, due to the
         *   structure of calculating the tangent.
         *   @param y y-coordinate of the point
         *   @param x x-coordinate of the point
         *   @return the arc tangent of the given point
         */
        atan2(y: number, x: number): number;

        /**
         *   Calculates the cosine of an angle. This function
         *   takes into account the current angleMode. Values
         *   are returned in the range -1 to 1.
         *   @param angle the angle
         *   @return the cosine of the angle
         */
        cos(angle: number): number;

        /**
         *   Calculates the sine of an angle. This function
         *   takes into account the current angleMode. Values
         *   are returned in the range -1 to 1.
         *   @param angle the angle
         *   @return the sine of the angle
         */
        sin(angle: number): number;

        /**
         *   Calculates the tangent of an angle. This function
         *   takes into account the current angleMode. Values
         *   are returned in the range of all real numbers.
         *   @param angle the angle
         *   @return the tangent of the angle
         */
        tan(angle: number): number;

        /**
         *   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. This function
         *   does not take into account the current
         *   angleMode().
         *   @param radians the radians value to convert to
         *   degrees
         *   @return the converted angle
         */
        degrees(radians: number): number;

        /**
         *   Converts a degree measurement to its corresponding
         *   value in radians. 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. This function
         *   does not take into account the current angleMode.
         *   @param degrees the degree value to convert to
         *   radians
         *   @return the converted angle
         */
        radians(degrees: number): number;

        /**
         *   Sets the current mode of p5 to the given mode.
         *   Default mode is RADIANS. Calling angleMode() with
         *   no arguments returns current anglemode.
         *   @param mode either RADIANS or DEGREES
         */
        angleMode(mode: ANGLE_MODE): void;

        /**
         *   Sets the current mode of p5 to the given mode.
         *   Default mode is RADIANS. Calling angleMode() with
         *   no arguments returns current anglemode.
         *   @return mode either RADIANS or DEGREES
         */
        angleMode(): UNKNOWN_P5_CONSTANT;
    }
}