Package javax.vecmath
Class Point3f
java.lang.Object
javax.vecmath.Tuple3f
javax.vecmath.Point3f
- All Implemented Interfaces:
Serializable
,Cloneable
A 3 element point that is represented by single precision floating point
x,y,z coordinates.
- See Also:
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Field Summary
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Constructor Summary
ConstructorsConstructorDescriptionPoint3f()
Constructs and initializes a Point3f to (0,0,0).Point3f
(float[] p) Constructs and initializes a Point3f from the array of length 3.Point3f
(float x, float y, float z) Constructs and initializes a Point3f from the specified xyz coordinates.Constructs and initializes a Point3f from the specified Point3d.Constructs and initializes a Point3f from the specified Point3f.Constructs and initializes a Point3f from the specified Tuple3d.Constructs and initializes a Point3f from the specified Tuple3f. -
Method Summary
Modifier and TypeMethodDescriptionfinal float
Computes the distance between this point and point p1.final float
distanceL1
(Point3f p1) Computes the L-1 (Manhattan) distance between this point and point p1.final float
distanceLinf
(Point3f p1) Computes the L-infinite distance between this point and point p1.final float
Computes the square of the distance between this point and point p1.final void
Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.Methods inherited from class javax.vecmath.Tuple3f
absolute, absolute, add, add, clamp, clamp, clampMax, clampMax, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getX, getY, getZ, hashCode, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, set, set, set, set, setX, setY, setZ, sub, sub, toString
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Constructor Details
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Point3f
public Point3f(float x, float y, float z) Constructs and initializes a Point3f from the specified xyz coordinates.- Parameters:
x
- the x coordinatey
- the y coordinatez
- the z coordinate
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Point3f
public Point3f(float[] p) Constructs and initializes a Point3f from the array of length 3.- Parameters:
p
- the array of length 3 containing xyz in order
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Point3f
Constructs and initializes a Point3f from the specified Point3f.- Parameters:
p1
- the Point3f containing the initialization x y z data
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Point3f
Constructs and initializes a Point3f from the specified Point3d.- Parameters:
p1
- the Point3d containing the initialization x y z data
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Point3f
Constructs and initializes a Point3f from the specified Tuple3f.- Parameters:
t1
- the Tuple3f containing the initialization x y z data
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Point3f
Constructs and initializes a Point3f from the specified Tuple3d.- Parameters:
t1
- the Tuple3d containing the initialization x y z data
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Point3f
public Point3f()Constructs and initializes a Point3f to (0,0,0).
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Method Details
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distanceSquared
Computes the square of the distance between this point and point p1.- Parameters:
p1
- the other point- Returns:
- the square of the distance
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distance
Computes the distance between this point and point p1.- Parameters:
p1
- the other point- Returns:
- the distance
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distanceL1
Computes the L-1 (Manhattan) distance between this point and point p1. The L-1 distance is equal to: abs(x1-x2) + abs(y1-y2) + abs(z1-z2).- Parameters:
p1
- the other point- Returns:
- the L-1 distance
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distanceLinf
Computes the L-infinite distance between this point and point p1. The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2), abs(z1-z2)].- Parameters:
p1
- the other point- Returns:
- the L-infinite distance
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project
Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.- Parameters:
p1
- the source Point4f, which is not modified
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