Package de.coreengine.util

Class Toolbox

java.lang.Object

de.coreengine.util.Toolbox

public class Toolbox
extends Object

Class that contains some useful functions

Author:

Darius Dinger

Constructor Summary

Constructors

Constructor	Description
Toolbox()

Method Summary

Modifier and Type	Method	Description
static float[]	addElement(float[] array, float element)	Adding an float element to an float array
static int[]	addElement(int[] array, int element)	Adding an int element to an int array
static <T> T[]	addElement(T[] array, T element)	Adding an element to an array
static String	arrayToString(float[] arr, String seperator)	Convert a float array into a string
static float[]	calcTangent(float v0x, float v0y, float v0z, float v1x, float v1y, float v1z, float v2x, float v2y, float v2z, float v0u, float v0v, float v1u, float v1v, float v2u, float v2v)	Calculating tangent for a triangle
static Color	generateRandomColor()
static float[]	matrixToFloatArray(javax.vecmath.Matrix4f mat)	Transforming a matrix4f from vecmtath to a 16 valued float array. Maybe not the most performant procedure...
static float	max(float... values)	Getting the greatest float of values
static float	min(float... values)	Getting the smallest float of values
static float	randomFloat(float min, float max)	Generating a random float between min and max
static int	randomInt(int min, int max)	Generating a random integer between min and max
static javax.vecmath.Vector2f	randomVector(javax.vecmath.Vector2f min, javax.vecmath.Vector2f max)	Generating random vector between min and max
static javax.vecmath.Vector3f	randomVector(javax.vecmath.Vector3f min, javax.vecmath.Vector3f max)	Generating random vector between min and max
static float[]	stringToArrayf(String str, String seperator)	Convert a string into a float array
static int[]	stringToArrayi(String str, String seperator)	Convert a string into a integer array
static float[]	toArrayf(List<Float> floats)	Converting a list of floats into a float array.
static int[]	toArrayi(List<Integer> ints)	Converting a list of integers into a int array.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Toolbox

public Toolbox()

Method Detail

addElement

public static <T> T[] addElement(T[] array,
                                 T element)

Adding an element to an array

Type Parameters:

T - Type of the array data

Parameters:

array - Array where the element should be added

element - Element to add into array

Returns:

New array with element added

addElement

public static int[] addElement(int[] array,
                               int element)

Adding an int element to an int array

Parameters:

array - Array where the element should be added

element - Element to add into array

Returns:

New array with element added

addElement

public static float[] addElement(float[] array,
                                 float element)

Adding an float element to an float array

Parameters:

array - Array where the element should be added

element - Element to add into array

Returns:

New array with element added

matrixToFloatArray

public static float[] matrixToFloatArray(javax.vecmath.Matrix4f mat)

Transforming a matrix4f from vecmtath to a 16 valued float array.
Maybe not the most performant procedure...

Parameters:

mat - Matrix to transform

Returns:

Transformed float array

generateRandomColor

public static Color generateRandomColor()

Returns:

Random color

toArrayf

public static float[] toArrayf(List<Float> floats)

Converting a list of floats into a float array. Because java hates that...

Parameters:

floats - Float list to convert

Returns:

Converted float array

toArrayi

public static int[] toArrayi(List<Integer> ints)

Converting a list of integers into a int array.

Parameters:

ints - Integer list to convert

Returns:

Converted int array

arrayToString

public static String arrayToString(float[] arr,
                                   String seperator)

Convert a float array into a string

Parameters:

arr - Array to convert

seperator - Sperator of the string

Returns:

Generated string

stringToArrayf

public static float[] stringToArrayf(String str,
                                     String seperator)

Convert a string into a float array

Parameters:

str - String to convert

seperator - Seperator of the string

Returns:

Generated float array

stringToArrayi

public static int[] stringToArrayi(String str,
                                   String seperator)

Convert a string into a integer array

Parameters:

str - String to convert

seperator - Seperator of the string

Returns:

Generated int array

randomFloat

public static float randomFloat(float min,
                                float max)

Generating a random float between min and max

Parameters:

min - Min value of the float

max - Max value of the float

Returns:

Generated value

randomInt

public static int randomInt(int min,
                            int max)

Generating a random integer between min and max

Parameters:

min - Min value of the integer

max - Max value of the integer

Returns:

Generated value

randomVector

public static javax.vecmath.Vector3f randomVector(javax.vecmath.Vector3f min,
                                                  javax.vecmath.Vector3f max)

Generating random vector between min and max

Parameters:

min - Min vector values

max - Max vector values

Returns:

Generated vector

randomVector

public static javax.vecmath.Vector2f randomVector(javax.vecmath.Vector2f min,
                                                  javax.vecmath.Vector2f max)

Generating random vector between min and max

Parameters:

min - Min vector values

max - Max vector values

Returns:

Generated vector

min

public static float min(float... values)

Getting the smallest float of values

Parameters:

values - Floats to gets smallest from

Returns:

Smallest float of values

max

public static float max(float... values)

Getting the greatest float of values

Parameters:

values - Floats to gets greatest from

Returns:

Greatest float of values

calcTangent

public static float[] calcTangent(float v0x,
                                  float v0y,
                                  float v0z,
                                  float v1x,
                                  float v1y,
                                  float v1z,
                                  float v2x,
                                  float v2y,
                                  float v2z,
                                  float v0u,
                                  float v0v,
                                  float v1u,
                                  float v1v,
                                  float v2u,
                                  float v2v)

Calculating tangent for a triangle

Parameters:

v0x - X coordinate of vertex 0

v0y - Y coordinate of vertex 0

v0z - Z coordinate of vertex 0

v1x - X coordinate of vertex 1

v1y - Y coordinate of vertex 1

v1z - Z coordinate of vertex 1

v2x - X coordinate of vertex 2

v2y - Y coordinate of vertex 2

v2z - Z coordinate of vertex 2

v0u - U coordinate of vertex 0

v0v - V coordinate of vertex 0

v1u - U coordinate of vertex 1

v1v - V coordinate of vertex 1

v2u - U coordinate of vertex 2

v2v - V coordinate of vertex 2

Returns:

Tangent as float array [x, y, z]