com.xalys.xgl.wgl.util

Class Mat4

java.lang.Object

com.xalys.xgl.wgl.util.Mat4

public class Mat4
extends Object

Constructor Summary

Constructors

Constructor and Description
Mat4()

Method Summary

Modifier and Type	Method and Description
static com.google.gwt.typedarrays.shared.Float32Array	create()
static com.google.gwt.typedarrays.shared.Float32Array	create(com.google.gwt.typedarrays.shared.Float32Array mat)
static com.google.gwt.typedarrays.shared.Float32Array	frustum(float left, float right, float bottom, float top, float near, float far, com.google.gwt.typedarrays.shared.Float32Array dest)
static com.google.gwt.typedarrays.shared.Float32Array	identity(com.google.gwt.typedarrays.shared.Float32Array dest)
static com.google.gwt.typedarrays.shared.Float32Array	lookAt(float[] eye, float[] center, float[] up, com.google.gwt.typedarrays.shared.Float32Array dest) Generates a look-at matrix with the given eye position, focal point, and up axis
static com.google.gwt.typedarrays.shared.Float32Array	ortho(float left, float right, float bottom, float top, float near, float far, com.google.gwt.typedarrays.shared.Float32Array dest) Generates a orthogonal projection matrix with the given bounds
static com.google.gwt.typedarrays.shared.Float32Array	perspective(float fovy, float aspect, float near, float far, com.google.gwt.typedarrays.shared.Float32Array dest)
static com.google.gwt.typedarrays.shared.Float32Array	rotate(com.google.gwt.typedarrays.shared.Float32Array mat, float angle, float[] axis, com.google.gwt.typedarrays.shared.Float32Array dest)
static com.google.gwt.typedarrays.shared.Float32Array	scale(com.google.gwt.typedarrays.shared.Float32Array mat, float[] vec, com.google.gwt.typedarrays.shared.Float32Array dest) Scales a matrix by the given vector
static com.google.gwt.typedarrays.shared.Float32Array	set(com.google.gwt.typedarrays.shared.Float32Array mat, com.google.gwt.typedarrays.shared.Float32Array dest)
static com.google.gwt.typedarrays.shared.Float32Array	translate(com.google.gwt.typedarrays.shared.Float32Array mat, float[] vec, com.google.gwt.typedarrays.shared.Float32Array dest)

Methods inherited from class java.lang.Object

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

Constructor Detail

Mat4

public Mat4()

Method Detail

create

public static com.google.gwt.typedarrays.shared.Float32Array create(com.google.gwt.typedarrays.shared.Float32Array mat)

create

public static com.google.gwt.typedarrays.shared.Float32Array create()

identity

public static com.google.gwt.typedarrays.shared.Float32Array identity(com.google.gwt.typedarrays.shared.Float32Array dest)

perspective

public static com.google.gwt.typedarrays.shared.Float32Array perspective(float fovy,
                                                                         float aspect,
                                                                         float near,
                                                                         float far,
                                                                         com.google.gwt.typedarrays.shared.Float32Array dest)

frustum

public static com.google.gwt.typedarrays.shared.Float32Array frustum(float left,
                                                                     float right,
                                                                     float bottom,
                                                                     float top,
                                                                     float near,
                                                                     float far,
                                                                     com.google.gwt.typedarrays.shared.Float32Array dest)

translate

public static com.google.gwt.typedarrays.shared.Float32Array translate(com.google.gwt.typedarrays.shared.Float32Array mat,
                                                                       float[] vec,
                                                                       com.google.gwt.typedarrays.shared.Float32Array dest)

set

public static com.google.gwt.typedarrays.shared.Float32Array set(com.google.gwt.typedarrays.shared.Float32Array mat,
                                                                 com.google.gwt.typedarrays.shared.Float32Array dest)

rotate

public static com.google.gwt.typedarrays.shared.Float32Array rotate(com.google.gwt.typedarrays.shared.Float32Array mat,
                                                                    float angle,
                                                                    float[] axis,
                                                                    com.google.gwt.typedarrays.shared.Float32Array dest)

scale

public static com.google.gwt.typedarrays.shared.Float32Array scale(com.google.gwt.typedarrays.shared.Float32Array mat,
                                                                   float[] vec,
                                                                   com.google.gwt.typedarrays.shared.Float32Array dest)

Scales a matrix by the given vector

Parameters:

mat - mat4 to scale

vec - vec3 specifying the scale for each axis

dest - mat4 receiving operation result. If not specified result is written to mat

Returns:

dest if specified, mat otherwise

ortho

public static com.google.gwt.typedarrays.shared.Float32Array ortho(float left,
                                                                   float right,
                                                                   float bottom,
                                                                   float top,
                                                                   float near,
                                                                   float far,
                                                                   com.google.gwt.typedarrays.shared.Float32Array dest)

Generates a orthogonal projection matrix with the given bounds

Parameters:

left - Left bound of the frustum

right - Right bound of the frustum

bottom - Bottom bound of the frustum

top - Top bound of the frustum

near - Near bound of the frustum

far - Far bound of the frustum

dest - frustum matrix will be written into

Returns:

dest if specified, a new mat4 otherwise

lookAt

public static com.google.gwt.typedarrays.shared.Float32Array lookAt(float[] eye,
                                                                    float[] center,
                                                                    float[] up,
                                                                    com.google.gwt.typedarrays.shared.Float32Array dest)

Generates a look-at matrix with the given eye position, focal point, and up axis

Parameters:

eye - Position of the viewer

center - Point the viewer is looking at

up - vec3 pointing "up"

dest - frustum matrix will be written into

Returns:

dest if specified, a new mat4 otherwise