|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectcom.jogamp.opengl.math.Quaternion
public class Quaternion
Constructor Summary | |
---|---|
Quaternion()
|
|
Quaternion(float[] vector1,
float[] vector2)
Constructor to create a rotation based quaternion from two vectors |
|
Quaternion(float x,
float y,
float z,
float w)
|
Method Summary | |
---|---|
void |
add(Quaternion q)
Add a quaternion |
void |
divide(float n)
Divide a quaternion by a constant |
float |
getW()
|
float |
getX()
|
float |
getY()
|
float |
getZ()
|
void |
inverse()
Invert the quaternion If rotational, will produce a the inverse rotation |
boolean |
isEmpty()
Check if this quaternion is empty, ie (0,0,0,1) |
boolean |
isIdentity()
Check if this quaternion represents an identity matrix, for rotation. |
boolean |
isRotationMatrix(float[] m)
Check if the the 3x3 matrix (param) is in fact an affine rotational matrix |
void |
mult(float n)
Multiply a quaternion by a constant |
void |
mult(Quaternion q)
Multiply this quaternion by the param quaternion |
void |
normalize()
Normalize a quaternion required if to be used as a rotational quaternion |
void |
setFromMatrix(float[] m)
compute the quaternion from a 3x3 column matrix |
void |
setW(float w)
|
void |
setX(float x)
|
void |
setY(float y)
|
void |
setZ(float z)
|
void |
slerp(Quaternion a,
Quaternion b,
float t)
Set this quaternion from a Sphereical interpolation of two param quaternion, used mostly for rotational animation |
void |
subtract(Quaternion q)
Subtract a quaternion |
float[] |
toAxis()
Transform the rotational quaternion to axis based rotation angles |
float[] |
toMatrix()
Transform this quaternion to a 4x4 column matrix representing the rotation |
Methods inherited from class java.lang.Object |
---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public Quaternion()
public Quaternion(float x, float y, float z, float w)
public Quaternion(float[] vector1, float[] vector2)
vector1
- vector2
- Method Detail |
---|
public float[] toAxis()
public float getW()
public void setW(float w)
public float getX()
public void setX(float x)
public float getY()
public void setY(float y)
public float getZ()
public void setZ(float z)
public void add(Quaternion q)
q
- quaternionpublic void subtract(Quaternion q)
q
- quaternionpublic void divide(float n)
n
- a float to divide bypublic void mult(Quaternion q)
q
- a quaternion to multiply withpublic void mult(float n)
n
- a float constantpublic void normalize()
public void inverse()
public float[] toMatrix()
public void slerp(Quaternion a, Quaternion b, float t)
a
- initial quaternionb
- target quaterniont
- float between 0 and 1 representing interp.public boolean isEmpty()
public boolean isIdentity()
public void setFromMatrix(float[] m)
m
- 3x3 column matrixpublic boolean isRotationMatrix(float[] m)
m
- 3x3 column matrix
|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |