Package com.jme3.math

The com.jme3.math package provides mathematical data structures and utilities which are used by the rest of the engine.

See: Description

Interface Summary

Interface	Description
EaseFunction	Created by Nehon on 26/03/2017.

Class Summary

Class	Description
AbstractTriangle	A Collidable with a triangular shape.
ColorRGBA	ColorRGBA defines a color made from a collection of red, green and blue values stored in Linear color space.
CurveAndSurfaceMath	This class offers methods to help with curves and surfaces calculations.
Easing	Expose several Easing function from Robert Penner Created by Nehon on 26/03/2017.
Easing.InOut	An Ease function composed of 2 sb function for custom in and out easing
Eigen3f	A calculator for the eigenvectors and eigenvalues of a Matrix3f.
FastMath	FastMath provides 'fast' math approximations and float equivalents of Math functions.
Line	Line defines a line.
LineSegment	LineSegment represents a segment in the space.
MathUtils	Created by Nehon on 23/04/2017.
Matrix3f	A 3x3 matrix composed of 9 single-precision elements, used to represent linear transformations of 3-D coordinates, such as rotations, reflections, and scaling.
Matrix4f	Matrix4f represents a single-precision 4x4 matrix for use as a 3-D coordinate transform or perspective transform.
Plane	Plane defines a plane where Normal dot (x,y,z) = Constant.
Quaternion	Used to efficiently represent rotations and orientations in 3-dimensional space, without risk of gimbal lock.
Ray	Ray defines a line segment which has an origin and a direction.
Rectangle	Rectangle defines a finite plane within three-dimensional space that is specified via three points (A, B, C).
Ring	Ring defines a flat ring or disc in three-dimensional space that is specified via the ring's center point, an up vector, an inner radius, and an outer radius.
Spline
Transform	A 3-D coordinate transform composed of translation, rotation, and scaling.
Triangle	Triangle defines a triangle in terms of its vertex locations, with auxiliary storage for its centroid, normal vector, projection, and index.
Vector2f	Vector2f defines a Vector for a two float value vector.
Vector3f	A vector composed of 3 single-precision components, used to represent locations, offsets, and directions in 3-dimensional space.
Vector4f	Vector4f defines a Vector for a four float value tuple.

Enum Summary

Enum	Description
Plane.Side	Describe the relationship between a point and a plane.
Spline.SplineType

Package com.jme3.math Description

The com.jme3.math package provides mathematical data structures and utilities which are used by the rest of the engine. The math package provides the following classes:

General purpose vectors

• Vector2f - 2D general purpose vector
• Vector3f - 3D general purpose vector
• Vector4f - 4D general purpose vector

Special purpose vectors

• ColorRGBA - Floating-point RGB color with alpha
• Quaternion - Specialized 4D data structure to represent rotation

Matrices

• Matrix3f - 3x3 matrix, usually used to represent rotation
• Matrix4f - 4x4 matrix, used as an efficient transform representation

Shapes

• AbstractTriangle - Abstract triangle. Data to be provided by implementation
• Triangle - Concrete implementation of AbstractTriangle with center and normal vectors
• Line - Infinite 3D line
• LineSegment - 3D line with start and end point
• Plane - 3D plane
• Ray - 3D ray
• Rectangle - 3D rectangle
• Ring - 3D ring

Curves

• Spline - 3D curve defined by control points and a function

Utility classes

• Transform - Representation of a transform with translation, rotation, and scale
• FastMath - Contains static methods for floating-point math
• CurveAndSurfaceMath - Contains static methods specific to curve and surface math
• Eigen3f - Provides computation of eigenvectors given a matrix