Package com.gaia3d.terrain.util

Class OctNormalFactory

java.lang.Object

com.gaia3d.terrain.util.OctNormalFactory

public class OctNormalFactory
extends Object

Constructor Summary

Constructors

Constructor	Description
OctNormalFactory()

Method Summary

Modifier and Type	Method	Description
static float	clamp(float value, float min, float max)	Clamp value between min and max
static org.joml.Vector2f	encodeOctNormal(org.joml.Vector3f normal)	Encode a normal vector into 2 bytes using oct encoding
static byte[]	encodeOctNormalByte(org.joml.Vector3f normal)	Encode a normal vector into 2 bytes using oct encoding
static org.joml.Vector2f	signNotZero(org.joml.Vector2f value)	Sign function that returns 1 for positive numbers and -1 for negative numbers Only returns (1 for -1)
static org.joml.Vector2f	toShortNormal(org.joml.Vector2f value)	Encode a normal vector into 2 bytes using oct encoding

Methods inherited from class java.lang.Object

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

Constructor Details

OctNormalFactory

public OctNormalFactory()

Method Details

toShortNormal

public static org.joml.Vector2f toShortNormal(org.joml.Vector2f value)

Encode a normal vector into 2 bytes using oct encoding

signNotZero

public static org.joml.Vector2f signNotZero(org.joml.Vector2f value)

Sign function that returns 1 for positive numbers and -1 for negative numbers Only returns (1 for -1)

clamp

public static float clamp(float value,
 float min,
 float max)

Clamp value between min and max

encodeOctNormal

public static org.joml.Vector2f encodeOctNormal(org.joml.Vector3f normal)

Encode a normal vector into 2 bytes using oct encoding

Returns:

Vector2f

encodeOctNormalByte

public static byte[] encodeOctNormalByte(org.joml.Vector3f normal)

Encode a normal vector into 2 bytes using oct encoding

Returns:

2 bytes