MathUtils (vtm 0.6.0-rc3 API)

java.lang.Object
- org.oscim.utils.math.MathUtils

```
public class MathUtils
extends java.lang.Object
```
Utility and fast math functions.
Thanks to Riven on JavaGaming.org for the basis of sin/cos/atan2/floor/ceil.

Field Summary

Fields
Modifier and Type	Field and Description
`static float`	`degRad`
`static float`	`degreesToRadians`
`static float`	`nanoToSec`
`static float`	`PI`
`static float`	`PI2`
`static float`	`radDeg`
`static float`	`radiansToDegrees`
`static java.util.Random`	`random`

Constructor Summary

Constructors
Constructor and Description

MathUtils()

Constructors
Constructor and Description
`MathUtils()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static float`	`atan2(float y, float x)` Returns atan2 in radians from a lookup table.
`static int`	`ceil(float x)` Returns the smallest integer greater than or equal to the specified float.
`static int`	`ceilPositive(float x)` Returns the smallest integer greater than or equal to the specified float.
`static float`	`clamp(float value, float min, float max)`
`static int`	`clamp(int value, int min, int max)`
`static short`	`clamp(short value, short min, short max)`
`static float`	`cos(float radians)` Returns the cosine in radians.
`static float`	`cosDeg(float degrees)` Returns the cosine in radians.
`static int`	`floor(float x)` Returns the largest integer less than or equal to the specified float.
`static int`	`floorPositive(float x)` Returns the largest integer less than or equal to the specified float.
`static boolean`	`isPowerOfTwo(int value)`
`static int`	`nextPowerOfTwo(int value)` Returns the next power of two.
`static float`	`random()` Returns random number between 0.0 (inclusive) and 1.0 (exclusive).
`static float`	`random(float range)` Returns a random number between 0 (inclusive) and the specified value (exclusive).
`static float`	`random(float start, float end)` Returns a random number between start (inclusive) and end (exclusive).
`static int`	`random(int range)` Returns a random number between 0 (inclusive) and the specified value (inclusive).
`static int`	`random(int start, int end)` Returns a random number between start (inclusive) and end (inclusive).
`static boolean`	`randomBoolean()` Returns a random boolean value.
`static int`	`round(float x)` Returns the closest integer to the specified float.
`static int`	`roundPositive(float x)` Returns the closest integer to the specified float.
`static float`	`sin(float radians)` Returns the sine in radians.
`static float`	`sinDeg(float degrees)` Returns the sine in radians.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - nanoToSec
```
public static final float nanoToSec
```
    See Also:
    
    Constant Field Values
  - PI
```
public static final float PI
```
    See Also:
    
    Constant Field Values
  - PI2
```
public static final float PI2
```
    See Also:
    
    Constant Field Values
  - radiansToDegrees
```
public static final float radiansToDegrees
```
    See Also:
    
    Constant Field Values
  - radDeg
```
public static final float radDeg
```
    See Also:
    
    Constant Field Values
  - degreesToRadians
```
public static final float degreesToRadians
```
    See Also:
    
    Constant Field Values
  - degRad
```
public static final float degRad
```
    See Also:
    
    Constant Field Values
  - random
```
public static java.util.Random random
```
- Constructor Detail
  - MathUtils
```
public MathUtils()
```
- Method Detail
  - sin
```
public static final float sin(float radians)
```
    Returns the sine in radians.
  - cos
```
public static final float cos(float radians)
```
    Returns the cosine in radians.
  - sinDeg
```
public static final float sinDeg(float degrees)
```
    Returns the sine in radians.
  - cosDeg
```
public static final float cosDeg(float degrees)
```
    Returns the cosine in radians.
  - atan2
```
public static final float atan2(float y,
                                float x)
```
    Returns atan2 in radians from a lookup table.
  - random
```
public static final int random(int range)
```
    Returns a random number between 0 (inclusive) and the specified value (inclusive).
  - random
```
public static final int random(int start,
                               int end)
```
    Returns a random number between start (inclusive) and end (inclusive).
  - randomBoolean
```
public static final boolean randomBoolean()
```
    Returns a random boolean value.
  - random
```
public static final float random()
```
    Returns random number between 0.0 (inclusive) and 1.0 (exclusive).
  - random
```
public static final float random(float range)
```
    Returns a random number between 0 (inclusive) and the specified value (exclusive).
  - random
```
public static final float random(float start,
                                 float end)
```
    Returns a random number between start (inclusive) and end (exclusive).
  - nextPowerOfTwo
```
public static int nextPowerOfTwo(int value)
```
    Returns the next power of two. Returns the specified value if the value is already a power of two.
  - isPowerOfTwo
```
public static boolean isPowerOfTwo(int value)
```
  - clamp
```
public static int clamp(int value,
                        int min,
                        int max)
```
  - clamp
```
public static short clamp(short value,
                          short min,
                          short max)
```
  - clamp
```
public static float clamp(float value,
                          float min,
                          float max)
```
  - floor
```
public static int floor(float x)
```
    Returns the largest integer less than or equal to the specified float. This method will only properly floor floats from -(2^14) to (Float.MAX_VALUE - 2^14).
  - floorPositive
```
public static int floorPositive(float x)
```
    Returns the largest integer less than or equal to the specified float. This method will only properly floor floats that are positive. Note this method simply casts the float to int.
  - ceil
```
public static int ceil(float x)
```
    Returns the smallest integer greater than or equal to the specified float. This method will only properly ceil floats from -(2^14) to (Float.MAX_VALUE - 2^14).
  - ceilPositive
```
public static int ceilPositive(float x)
```
    Returns the smallest integer greater than or equal to the specified float. This method will only properly ceil floats that are positive.
  - round
```
public static int round(float x)
```
    Returns the closest integer to the specified float. This method will only properly round floats from -(2^14) to (Float.MAX_VALUE - 2^14).
  - roundPositive
```
public static int roundPositive(float x)
```
    Returns the closest integer to the specified float. This method will only properly round floats that are positive.

Class MathUtils

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

nanoToSec

PI

PI2

radiansToDegrees

radDeg

degreesToRadians

degRad

random

Constructor Detail

MathUtils

Method Detail

sin

cos

sinDeg

cosDeg

atan2

random

random

randomBoolean

random

random

random

nextPowerOfTwo

isPowerOfTwo

clamp

clamp

clamp

floor

floorPositive

ceil

ceilPositive

round

roundPositive