Package com.gaia3d.util

Class GeometryUtils

java.lang.Object

com.gaia3d.util.GeometryUtils

public class GeometryUtils
extends Object

GeometryUtils

Constructor Summary

Constructors

Constructor	Description
GeometryUtils()

Method Summary

Modifier and Type	Method	Description
static boolean	areAproxEqualsPoints2d(org.joml.Vector2d pointA, org.joml.Vector2d pointB, double epsilon)
static boolean	areAproxEqualsPoints3d(org.joml.Vector3d pointA, org.joml.Vector3d pointB, double epsilon)
static org.joml.Vector3d	calcNormal3D(GaiaVertex vertex1, GaiaVertex vertex2, GaiaVertex vertex3)
static org.joml.Vector3d	calcNormal3D(org.joml.Vector3d p1, org.joml.Vector3d p2, org.joml.Vector3d p3)
static void	calculateNormal3D(List<org.joml.Vector3d> polygon, org.joml.Vector3d resultNormal)
static void	encodeFloat(float value, byte[] result)
static void	encodeFloatToInt(float value, int[] result)
static org.joml.Vector4d	getAverageColor(List<GaiaFaceData> faceDataList)
static PlaneType	getBestPlaneToProject(org.joml.Vector3d normal)
static List<org.joml.Vector3d>	getCleanPoints3dArray(List<org.joml.Vector3d> pointsArray, List<org.joml.Vector3d> cleanPointsArray, double error)
static GaiaNode	getGaiaNodeWithPrimitivesAsBox(GaiaNode node)
static GaiaScene	getGaiaSceneWithPrimitivesAsBox(GaiaScene gaiaScene)
static int	getNextIdx(int idx, int pointsCount)
static int	getPrevIdx(int idx, int pointsCount)
static GaiaPrimitive	getPrimitiveFromBoundingBox(GaiaBoundingBox bbox)
static GaiaPrimitive	getPrimitiveFromBoundingBox(GaiaBoundingBox bbox, boolean left, boolean right, boolean front, boolean rear, boolean bottom, boolean top)
static GaiaPrimitive	getPrimitiveFromBox(org.joml.Vector3d leftFrontBottom, org.joml.Vector3d rightFrontBottom, org.joml.Vector3d rightRearBottom, org.joml.Vector3d leftRearBottom, org.joml.Vector3d leftFrontTop, org.joml.Vector3d rightFrontTop, org.joml.Vector3d rightRearTop, org.joml.Vector3d leftRearTop, boolean left, boolean right, boolean front, boolean rear, boolean bottom, boolean top)
static GaiaRectangle	getTexCoordsBoundingRectangle(List<GaiaVertex> vertices, GaiaRectangle boundingRectangle)
static GaiaRectangle	getTexCoordsBoundingRectangleOfFaces(List<GaiaFace> faces, List<GaiaVertex> vertices, GaiaRectangle boundingRectangle)
static double	getTriangleArea(GaiaVertex vertexA, GaiaVertex vertexB, GaiaVertex vertexC)
static boolean	isIdentity(float[] matrix)
static boolean	isInvalidVector(org.joml.Vector3d vector)
static boolean	isValidVector(org.joml.Vector3d vector)
static float	mod(float a, float b)

Methods inherited from class java.lang.Object

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

Constructor Details

GeometryUtils

public GeometryUtils()

Method Details

isIdentity

public static boolean isIdentity(float[] matrix)

getTexCoordsBoundingRectangle

public static GaiaRectangle getTexCoordsBoundingRectangle(List<GaiaVertex> vertices,
 GaiaRectangle boundingRectangle)

getTexCoordsBoundingRectangleOfFaces

public static GaiaRectangle getTexCoordsBoundingRectangleOfFaces(List<GaiaFace> faces,
 List<GaiaVertex> vertices,
 GaiaRectangle boundingRectangle)

getTriangleArea

public static double getTriangleArea(GaiaVertex vertexA,
 GaiaVertex vertexB,
 GaiaVertex vertexC)

areAproxEqualsPoints2d

public static boolean areAproxEqualsPoints2d(org.joml.Vector2d pointA,
 org.joml.Vector2d pointB,
 double epsilon)

areAproxEqualsPoints3d

public static boolean areAproxEqualsPoints3d(org.joml.Vector3d pointA,
 org.joml.Vector3d pointB,
 double epsilon)

getNextIdx

public static int getNextIdx(int idx,
 int pointsCount)

getPrevIdx

public static int getPrevIdx(int idx,
 int pointsCount)

getPrimitiveFromBox

public static GaiaPrimitive getPrimitiveFromBox(org.joml.Vector3d leftFrontBottom,
 org.joml.Vector3d rightFrontBottom,
 org.joml.Vector3d rightRearBottom,
 org.joml.Vector3d leftRearBottom,
 org.joml.Vector3d leftFrontTop,
 org.joml.Vector3d rightFrontTop,
 org.joml.Vector3d rightRearTop,
 org.joml.Vector3d leftRearTop,
 boolean left,
 boolean right,
 boolean front,
 boolean rear,
 boolean bottom,
 boolean top)

getPrimitiveFromBoundingBox

public static GaiaPrimitive getPrimitiveFromBoundingBox(GaiaBoundingBox bbox,
 boolean left,
 boolean right,
 boolean front,
 boolean rear,
 boolean bottom,
 boolean top)

getPrimitiveFromBoundingBox

public static GaiaPrimitive getPrimitiveFromBoundingBox(GaiaBoundingBox bbox)

getGaiaNodeWithPrimitivesAsBox

public static GaiaNode getGaiaNodeWithPrimitivesAsBox(GaiaNode node)

getGaiaSceneWithPrimitivesAsBox

public static GaiaScene getGaiaSceneWithPrimitivesAsBox(GaiaScene gaiaScene)

getAverageColor

public static org.joml.Vector4d getAverageColor(List<GaiaFaceData> faceDataList)

getCleanPoints3dArray

public static List<org.joml.Vector3d> getCleanPoints3dArray(List<org.joml.Vector3d> pointsArray,
 List<org.joml.Vector3d> cleanPointsArray,
 double error)

isInvalidVector

public static boolean isInvalidVector(org.joml.Vector3d vector)

isValidVector

public static boolean isValidVector(org.joml.Vector3d vector)

calcNormal3D

public static org.joml.Vector3d calcNormal3D(org.joml.Vector3d p1,
 org.joml.Vector3d p2,
 org.joml.Vector3d p3)

calcNormal3D

public static org.joml.Vector3d calcNormal3D(GaiaVertex vertex1,
 GaiaVertex vertex2,
 GaiaVertex vertex3)

calculateNormal3D

public static void calculateNormal3D(List<org.joml.Vector3d> polygon,
 org.joml.Vector3d resultNormal)

getBestPlaneToProject

public static PlaneType getBestPlaneToProject(org.joml.Vector3d normal)

mod

public static float mod(float a,
 float b)

encodeFloat

public static void encodeFloat(float value,
 byte[] result)

encodeFloatToInt

public static void encodeFloatToInt(float value,
 int[] result)