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107 lines
1.8 KiB
107 lines
1.8 KiB
package mightypork.utils.math.angles;
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/**
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* Angle calculations for radians.
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*
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* @author Ondřej Hruška (MightyPork)
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*/
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public class Rad {
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/** 180° in radians */
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public static final double a180 = Math.PI;
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/** 270° in radians */
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public static final double a270 = Math.PI * 1.5D;
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/** 360° in radians */
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public static final double a360 = Math.PI * 2D;
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/** 45° in radians */
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public static final double a45 = Math.PI / 4D;
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/** 90° in radians */
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public static final double a90 = Math.PI / 2D;
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/**
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* Subtract two angles alpha - beta
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*
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* @param alpha first angle
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* @param beta second angle
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* @return (alpha - beta) in radians
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*/
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public static double delta(double alpha, double beta)
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{
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return Angles.delta(alpha, beta, a360);
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}
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/**
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* Difference of two angles (absolute value of delta)
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*
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* @param alpha first angle
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* @param beta second angle
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* @return difference in radians
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*/
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public static double diff(double alpha, double beta)
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{
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return Angles.delta(alpha, beta, a360);
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}
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/**
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* Cos
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*
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* @param rad angle in rads
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* @return cos
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*/
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public static double cos(double rad)
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{
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return Math.cos(rad);
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}
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/**
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* Sin
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*
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* @param rad angle in rads
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* @return sin
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*/
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public static double sin(double rad)
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{
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return Math.sin(rad);
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}
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/**
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* Tan
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*
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* @param rad angle in rads
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* @return tan
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*/
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public static double tan(double rad)
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{
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return Math.tan(rad);
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}
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/**
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* Angle normalized to 0-2*PI range
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*
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* @param angle angle to normalize
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* @return normalized angle
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*/
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public static double norm(double angle)
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{
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return Angles.norm(angle, a360);
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}
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/**
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* Convert to degrees
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*
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* @param rad radians
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* @return degrees
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*/
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public static double toDeg(double rad)
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{
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return Math.toDegrees(rad);
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}
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}
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