codechicken.lib.vec

Class Rotation

java.lang.Object

codechicken.lib.vec.ITransformation<Vector3,Transformation>

codechicken.lib.vec.Transformation

codechicken.lib.vec.Rotation

All Implemented Interfaces:

CCRenderState.IVertexOperation

public class Rotation
extends Transformation

Field Summary

Fields

Modifier and Type	Field and Description
double	angle
static Vector3[]	axes
Vector3	axis
static Transformation[]	quarterRotations Clockwise pi/2 about y looking down
static int[]	rotSideMap
static Transformation[]	sideRotations
static int[]	sideRotMap
static int[]	sideRotOffsets Rotate pi/2 * this offset for [side] about y axis before rotating to the side for the rotation indicies to line up

Fields inherited from class codechicken.lib.vec.Transformation

operationIndex

Constructor Summary

Constructors

Constructor and Description
Rotation(double angle, double x, double y, double z)
Rotation(double angle, Vector3 axis)
Rotation(Quat quat)

Method Summary

Modifier and Type	Method and Description
void	apply(Matrix4 mat) Applies this transformation to a matrix as a multiplication on the right hand side.
void	apply(Vector3 vec) Applies this transformation to vec
void	applyN(Vector3 normal) Applies this transformation to a normal (doesn't translate)
static int	getSidedRotation(EntityPlayer player, int side)
static int	getSideFromLookAngle(EntityLivingBase entity)
void	glApply()
Transformation	inverse()
boolean	isRedundant() Returns true if this transformation is redundant, eg.
Transformation	merge(Transformation next) Returns a simplified transformation that performs this, followed by next.
static int	rotateSide(int s, int r)
static int	rotationTo(int s1, int s2) Reverse of rotateSide
static Transformation	sideOrientation(int s, int r)
Quat	toQuat()
java.lang.String	toString()

Methods inherited from class codechicken.lib.vec.Transformation

at, load, operate, operationID, with

Methods inherited from class codechicken.lib.vec.ITransformation

$plus$plus

Methods inherited from class java.lang.Object

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

Field Detail

quarterRotations

public static Transformation[] quarterRotations

Clockwise pi/2 about y looking down

sideRotations

public static Transformation[] sideRotations

axes

public static Vector3[] axes

sideRotMap

public static int[] sideRotMap

rotSideMap

public static int[] rotSideMap

sideRotOffsets

public static int[] sideRotOffsets

Rotate pi/2 * this offset for [side] about y axis before rotating to the side for the rotation indicies to line up

angle

public double angle

axis

public Vector3 axis

Constructor Detail

Rotation

public Rotation(double angle,
                Vector3 axis)

Rotation

public Rotation(double angle,
                double x,
                double y,
                double z)

Rotation

public Rotation(Quat quat)

Method Detail

rotateSide

public static int rotateSide(int s,
                             int r)

rotationTo

public static int rotationTo(int s1,
                             int s2)

Reverse of rotateSide

getSidedRotation

public static int getSidedRotation(EntityPlayer player,
                                   int side)

Parameters:

player - The placing player, used for obtaining the look vector

side - The side of the block being placed on

Returns:

The rotation for the face == side^1

sideOrientation

public static Transformation sideOrientation(int s,
                                             int r)

Returns:

The rotation quat for side 0 and rotation 0 to side s with rotation r

getSideFromLookAngle

public static int getSideFromLookAngle(EntityLivingBase entity)

Parameters:

entity - The placing entity, used for obtaining the look vector

Returns:

The side towards which the entity is most directly looking.

apply

public void apply(Vector3 vec)

Description copied from class: ITransformation

Applies this transformation to vec

Specified by:

apply in class ITransformation<Vector3,Transformation>

applyN

public void applyN(Vector3 normal)

Description copied from class: Transformation

Applies this transformation to a normal (doesn't translate)

Specified by:

applyN in class Transformation

Parameters:

normal - The normal to transform

apply

public void apply(Matrix4 mat)

Description copied from class: Transformation

Applies this transformation to a matrix as a multiplication on the right hand side.

Specified by:

apply in class Transformation

Parameters:

mat - The matrix to combine this transformation with

toQuat

public Quat toQuat()

glApply

public void glApply()

Specified by:

glApply in class Transformation

inverse

public Transformation inverse()

Specified by:

inverse in class ITransformation<Vector3,Transformation>

merge

public Transformation merge(Transformation next)

Description copied from class: ITransformation

Returns a simplified transformation that performs this, followed by next. If such a transformation does not exist, returns null

Overrides:

merge in class ITransformation<Vector3,Transformation>

isRedundant

public boolean isRedundant()

Description copied from class: ITransformation

Returns true if this transformation is redundant, eg. Scale(1, 1, 1), Translation(0, 0, 0) or Rotation(0, a, b, c)

Overrides:

isRedundant in class ITransformation<Vector3,Transformation>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object