diff options
Diffstat (limited to 'platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/utils/MathUtils.java')
-rw-r--r-- | platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/utils/MathUtils.java | 106 |
1 files changed, 54 insertions, 52 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/utils/MathUtils.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/utils/MathUtils.java index 2c1a1b8e64..30ec214798 100644 --- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/utils/MathUtils.java +++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/utils/MathUtils.java @@ -2,63 +2,65 @@ package com.mapbox.mapboxsdk.utils; public class MathUtils { - /** - * Test a value in specified range, returning minimum if it's below, and maximum if it's above - * @param value Value to test - * @param min Minimum value of range - * @param max Maximum value of range - * @return value if it's between min and max, min if it's below, max if it's above - */ - public static double clamp(double value, double min, double max) { - return Math.max(min, Math.min(max, value)); - } + /** + * Test a value in specified range, returning minimum if it's below, and maximum if it's above + * + * @param value Value to test + * @param min Minimum value of range + * @param max Maximum value of range + * @return value if it's between min and max, min if it's below, max if it's above + */ + public static double clamp(double value, double min, double max) { + return Math.max(min, Math.min(max, value)); + } - /** - * Test a value in specified range, returning minimum if it's below, and maximum if it's above - * @param value Value to test - * @param min Minimum value of range - * @param max Maximum value of range - * @return value if it's between min and max, min if it's below, max if it's above - */ - public static float clamp(float value, float min, float max) { - return Math.max(min, Math.min(max, value)); - } + /** + * Test a value in specified range, returning minimum if it's below, and maximum if it's above + * + * @param value Value to test + * @param min Minimum value of range + * @param max Maximum value of range + * @return value if it's between min and max, min if it's below, max if it's above + */ + public static float clamp(float value, float min, float max) { + return Math.max(min, Math.min(max, value)); + } - /** - * Constrains value to the given range (including min, excluding max) via modular arithmetic. - * - * Same formula as used in Core GL (wrap.hpp) - * std::fmod((std::fmod((value - min), d) + d), d) + min; - * - * @param value Value to wrap - * @param min Minimum value - * @param max Maximum value - * @return Wrapped value - */ - public static double wrap(double value, double min, double max) { - double delta = max - min; + /** + * Constrains value to the given range (including min, excluding max) via modular arithmetic. + * <p> + * Same formula as used in Core GL (wrap.hpp) + * std::fmod((std::fmod((value - min), d) + d), d) + min; + * + * @param value Value to wrap + * @param min Minimum value + * @param max Maximum value + * @return Wrapped value + */ + public static double wrap(double value, double min, double max) { + double delta = max - min; - double firstMod = (value - min) % delta; - double secondMod = (firstMod + delta) % delta; + double firstMod = (value - min) % delta; + double secondMod = (firstMod + delta) % delta; - return secondMod + min; - } + return secondMod + min; + } - /** - * Convert bearing from core to match Android SDK value. - * - * @param nativeBearing bearing value coming from core - * @return bearing in degrees starting from 0 rotating clockwise - */ - public static double convertNativeBearing(double nativeBearing) { - double direction = -nativeBearing; + /** + * Convert bearing from core to match Android SDK value. + * + * @param nativeBearing bearing value coming from core + * @return bearing in degrees starting from 0 rotating clockwise + */ + public static double convertNativeBearing(double nativeBearing) { + double direction = -nativeBearing; - while (direction > 360) { - direction -= 360; - } - while (direction < 0) { - direction += 360; - } - return direction; + while (direction > 360) { + direction -= 360; + } + while (direction < 0) { + direction += 360; } + return direction; + } } |