MathUtils

Inheritance: java.lang.Object

public class MathUtils

A set of useful mathematical utilities.

Methods

Method	Description
calcNormal(Vector3[] points)
clamp(double val, double min, double max)	Clamp value to range [min, max]
equals(Object arg0)
findIntersection(Vector2 p0, Vector2 d0, Vector2 p1, Vector2 d1, Vector2[] results)
getClass()
hashCode()
notify()
notifyAll()
pointInsideTriangle(Vector2 p, Vector2 p0, Vector2 p1, Vector2 p2)	Check if point p is inside triangle (p0, p1, p2)
rayIntersect(Vector2 origin, Vector2 dir, Vector2 a, Vector2 b)	Check if ray (origin, dir) intersects with line segment(start, end)
toDegree(Vector3 radian)	Convert a Vector3 from radian to degree.
toDegree(double radian)	Convert a number from radian to degree
toDegree(double x, double y, double z)	Convert a number from radian to degree
toDegree(float radian)	Convert a number from radian to degree
toRadian(Vector3 degree)	Convert a Vector3 from degree to radian
toRadian(double degree)	Convert a number from degree to radian
toRadian(double x, double y, double z)	Convert a vector from degree to radian
toRadian(float degree)	Convert a number from degree to radian
toString()
wait()
wait(long arg0)
wait(long arg0, int arg1)

calcNormal(Vector3[] points)

public static Vector3 calcNormal(Vector3[] points)

Parameters:

Parameter	Type	Description
points	Vector3[]

Returns: Vector3

clamp(double val, double min, double max)

public static double clamp(double val, double min, double max)

Clamp value to range [min, max]

Parameters:

Parameter	Type	Description
val	double	Value to clamp.
min	double	Minimum value.
max	double	Maximum value.

Returns: double - The value between [min, max] Example:

double val = 195;
     //Clamp value to [0, 100]
     double clampedValue = MathUtils.clamp(val, 0, 100);
     //This will output 100
     System.out.printf("Value = %d", val);

equals(Object arg0)

public boolean equals(Object arg0)

Parameters:

Parameter	Type	Description
arg0	java.lang.Object

Returns: boolean

findIntersection(Vector2 p0, Vector2 d0, Vector2 p1, Vector2 d1, Vector2[] results)

public static int findIntersection(Vector2 p0, Vector2 d0, Vector2 p1, Vector2 d1, Vector2[] results)

Parameters:

Parameter	Type	Description
p0	Vector2
d0	Vector2
p1	Vector2
d1	Vector2
results	Vector2[]

Returns: int

getClass()

public final native Class<?> getClass()

Returns: java.lang.Class

hashCode()

public native int hashCode()

Returns: int

notify()

public final native void notify()

notifyAll()

public final native void notifyAll()

pointInsideTriangle(Vector2 p, Vector2 p0, Vector2 p1, Vector2 p2)

public static boolean pointInsideTriangle(Vector2 p, Vector2 p0, Vector2 p1, Vector2 p2)

Check if point p is inside triangle (p0, p1, p2)

Parameters:

Parameter	Type	Description
p	Vector2
p0	Vector2
p1	Vector2
p2	Vector2

Returns: boolean

rayIntersect(Vector2 origin, Vector2 dir, Vector2 a, Vector2 b)

public static Vector2 rayIntersect(Vector2 origin, Vector2 dir, Vector2 a, Vector2 b)

Check if ray (origin, dir) intersects with line segment(start, end)

Parameters:

Parameter	Type	Description
origin	Vector2
dir	Vector2
a	Vector2
b	Vector2

Returns: Vector2

toDegree(Vector3 radian)

public static Vector3 toDegree(Vector3 radian)

Convert a Vector3 from radian to degree.

Parameters:

Parameter	Type	Description
radian	Vector3	The radian value.

Returns: Vector3 - The degree value. Example:

Vector3 degrees = MathUtils.toDegree(new Vector3(0.34, 0.9, 0.2));
     System.out.printf("Degrees = %s", degrees);

toDegree(double radian)

public static double toDegree(double radian)

Convert a number from radian to degree

Parameters:

Parameter	Type	Description
radian	double	The radian value.

Returns: double - The degree value. Example:

var deg = MathUtils.toDegree(0.3);
     System.out.printf("Degrees = %s", deg);

toDegree(double x, double y, double z)

public static Vector3 toDegree(double x, double y, double z)

Convert a number from radian to degree

Parameters:

Parameter	Type	Description
x	double	The x component in radian value.
y	double	The y component in radian value.
z	double	The z component in radian value.

Returns: Vector3 - The degree value.

toDegree(float radian)

public static float toDegree(float radian)

Convert a number from radian to degree

Parameters:

Parameter	Type	Description
radian	float	The radian value.

Returns: float - The degree value. Example:

var deg = MathUtils.toDegree(0.3f);
     System.out.printf("Degrees = %s", deg);

toRadian(Vector3 degree)

public static Vector3 toRadian(Vector3 degree)

Convert a Vector3 from degree to radian

Parameters:

Parameter	Type	Description
degree	Vector3	The degree value.

Returns: Vector3 - The radian value. Example:

Vector3 radians = MathUtils.toRadian(new Vector3(90, 134, 0));
     System.out.printf("Radians = %s", radians);

toRadian(double degree)

public static double toRadian(double degree)

Convert a number from degree to radian

Parameters:

Parameter	Type	Description
degree	double	The degree value.

Returns: double - The radian value. Example:

var rad = MathUtils.toRadian(0.3);
     System.out.printf("Radian = %d", rad);

toRadian(double x, double y, double z)

public static Vector3 toRadian(double x, double y, double z)

Convert a vector from degree to radian

Parameters:

Parameter	Type	Description
x	double	The x component in degree value.
y	double	The y component in degree value.
z	double	The z component in degree value.

Returns: Vector3 - The radian value.

toRadian(float degree)

public static float toRadian(float degree)

Convert a number from degree to radian

Parameters:

Parameter	Type	Description
degree	float	The degree value.

Returns: float - The radian value. Example:

var rad = MathUtils.toRadian(0.3);
     System.out.printf("Radian = %d", rad);

toString()

public String toString()

Returns: java.lang.String

wait()

public final void wait()

wait(long arg0)

public final void wait(long arg0)

Parameters:

Parameter	Type	Description
arg0	long

wait(long arg0, int arg1)

public final void wait(long arg0, int arg1)

Parameters:

Parameter	Type	Description
arg0	long
arg1	int

Material Matrix4