public class VectorM2F extends Object implements VectorReadable2FType, VectorWritable2FType
A two-dimensional mutable vector type with single precision elements.
Values of this type cannot be accessed safely from multiple threads without explicit synchronization.
| Constructor and Description |
|---|
VectorM2F()
Default constructor, initializing the vector with values
[0.0, 0.0]. |
VectorM2F(float in_x,
float in_y)
Construct a vector initialized with the given values.
|
VectorM2F(VectorReadable2FType in_v)
Construct a vector initialized with the values given in the vector
in_v. |
| Modifier and Type | Method and Description |
|---|---|
static VectorM2F |
absolute(VectorReadable2FType v,
VectorM2F out)
Calculate the absolute values of the elements in vector
v,
saving the result to out. |
static VectorM2F |
absoluteInPlace(VectorM2F v)
Calculate the absolute values of the elements in vector
v,
modifying the vector in-place. |
static VectorM2F |
add(VectorReadable2FType v0,
VectorReadable2FType v1,
VectorM2F out)
Calculate the element-wise sum of the vectors
v0 and
v1, saving the result to out. |
static VectorM2F |
addInPlace(VectorM2F v0,
VectorReadable2FType v1)
Calculate the element-wise sum of the vectors
v0 and
v1, saving the result to v0. |
static VectorM2F |
addScaled(VectorReadable2FType v0,
VectorReadable2FType v1,
double r,
VectorM2F out)
Calculate the element-wise sum of the vectors
v0 and the
element-wise product of v1 and r, saving the
result to out. |
static VectorM2F |
addScaledInPlace(VectorM2F v0,
VectorReadable2FType v1,
double r)
Calculate the element-wise sum of the vectors
v0 and the
element-wise product of v1 and r, saving the
result to v0. |
static boolean |
almostEqual(com.io7m.jequality.AlmostEqualFloat.ContextRelative context,
VectorReadable2FType qa,
VectorReadable2FType qb)
Determine whether or not the vectors
qa and qb
are equal to within the degree of error given in context. |
static double |
angle(VectorReadable2FType v0,
VectorReadable2FType v1)
Calculate the angle between vectors
v0 and v1,
in radians. |
static VectorM2F |
clamp(VectorReadable2FType v,
float minimum,
float maximum,
VectorM2F out)
Clamp the elements of the vector
v to the range
[minimum .. |
static VectorM2F |
clampByVector(VectorReadable2FType v,
VectorReadable2FType minimum,
VectorReadable2FType maximum,
VectorM2F out)
Clamp the elements of the vector
v to the inclusive range
given by the corresponding elements in minimum and
maximum, saving the result to out. |
static VectorM2F |
clampByVectorInPlace(VectorM2F v,
VectorReadable2FType minimum,
VectorReadable2FType maximum)
Clamp the elements of the vector
v to the inclusive range
given by the corresponding elements in minimum and
maximum, saving the result to v. |
static VectorM2F |
clampInPlace(VectorM2F v,
float minimum,
float maximum)
Clamp the elements of the vector
v to the range
[minimum .. |
static VectorM2F |
clampMaximum(VectorReadable2FType v,
float maximum,
VectorM2F out)
Clamp the elements of the vector
v to the range
[-Infinity .. |
static VectorM2F |
clampMaximumByVector(VectorReadable2FType v,
VectorReadable2FType maximum,
VectorM2F out)
Clamp the elements of the vector
v to the inclusive range
given by the corresponding elements in maximum, saving the
result to out. |
static VectorM2F |
clampMaximumByVectorInPlace(VectorM2F v,
VectorReadable2FType maximum)
Clamp the elements of the vector
v to the inclusive range
given by the corresponding elements in maximum, saving the
result to v. |
static VectorM2F |
clampMaximumInPlace(VectorM2F v,
float maximum)
Clamp the elements of the vector
v to the range
[-Infinity .. |
static VectorM2F |
clampMinimum(VectorReadable2FType v,
float minimum,
VectorM2F out)
Clamp the elements of the vector
v to the range
[minimum .. |
static VectorM2F |
clampMinimumByVector(VectorReadable2FType v,
VectorReadable2FType minimum,
VectorM2F out)
Clamp the elements of the vector
v to the inclusive range
given by the corresponding elements in minimum, saving the
result to out. |
static VectorM2F |
clampMinimumByVectorInPlace(VectorM2F v,
VectorReadable2FType minimum)
Clamp the elements of the vector
v to the inclusive range
given by the corresponding elements in minimum, saving the
result to v. |
static VectorM2F |
clampMinimumInPlace(VectorM2F v,
float minimum)
Clamp the elements of the vector
v to the range
[minimum .. |
static <T extends VectorWritable2FType> |
copy(VectorReadable2FType input,
T output)
Copy all elements of the vector
input to the vector
output. |
void |
copyFrom2F(VectorReadable2FType in_v)
Set the current vector to the contents of the input vector.
|
static double |
distance(VectorReadable2FType v0,
VectorReadable2FType v1)
Calculate the distance between the two vectors
v0 and
v1. |
static float |
dotProduct(VectorReadable2FType v0,
VectorReadable2FType v1)
Calculate the scalar product of the vectors
v0 and
v1. |
boolean |
equals(Object obj) |
float |
getXF() |
float |
getYF() |
int |
hashCode() |
static VectorM2F |
interpolateLinear(VectorReadable2FType v0,
VectorReadable2FType v1,
double alpha,
VectorM2F r)
Linearly interpolate between
v0 and v1 by the
amount alpha, saving the result to r. |
static double |
magnitude(VectorReadable2FType v)
Calculate the magnitude of the vector
v. |
static double |
magnitudeSquared(VectorReadable2FType v)
Calculate the squared magnitude of the vector
v. |
static VectorM2F |
normalize(VectorReadable2FType v,
VectorM2F out)
Returns a vector with the same orientation as
v but with
magnitude equal to 1.0 in out. |
static VectorM2F |
normalizeInPlace(VectorM2F v)
Returns a vector with the same orientation as
v but with
magnitude equal to 1.0 in v. |
static com.io7m.jfunctional.Pair<VectorM2F,VectorM2F> |
orthoNormalize(VectorReadable2FType v0,
VectorReadable2FType v1)
Orthonormalize and return the vectors
v0 and v1
. |
static void |
orthoNormalizeInPlace(VectorM2F v0,
VectorM2F v1)
Orthonormalize and the vectors
v0 and v1. |
static VectorM2F |
projection(VectorReadable2FType p,
VectorReadable2FType q,
VectorM2F r)
Calculate the projection of the vector
p onto the vector
q, saving the result in r. |
static VectorM2F |
scale(VectorReadable2FType v,
double r,
VectorM2F out)
Scale the vector
v by the scalar r, saving the
result to out. |
static VectorM2F |
scaleInPlace(VectorM2F v,
double r)
Scale the vector
v by the scalar r, saving the
result to v. |
void |
set2F(float in_x,
float in_y)
Set the current
x and y values of the current
vector. |
void |
setXF(float in_x)
Set the current
x value of the current vector. |
void |
setYF(float in_y)
Set the current
y value of the current vector. |
static VectorM2F |
subtract(VectorReadable2FType v0,
VectorReadable2FType v1,
VectorM2F out)
Subtract the vector
v1 from the vector v0,
saving the result to out. |
static VectorM2F |
subtractInPlace(VectorM2F v0,
VectorReadable2FType v1)
Subtract the vector
v1 from the vector v0,
saving the result to v0. |
String |
toString() |
public VectorM2F()
[0.0, 0.0].public VectorM2F(float in_x,
float in_y)
in_x - The x valuein_y - The y valuepublic VectorM2F(VectorReadable2FType in_v)
in_v.in_v - The source vectorpublic static final VectorM2F absolute(VectorReadable2FType v, VectorM2F out)
v,
saving the result to out.v - The input vectorout - The output vector(abs v.x, abs v.y)public static final VectorM2F absoluteInPlace(VectorM2F v)
v,
modifying the vector in-place.v - The input vector(abs v.x, abs v.y)public static final VectorM2F add(VectorReadable2FType v0, VectorReadable2FType v1, VectorM2F out)
v0 and
v1, saving the result to out.v0 - The left input vectorv1 - The right input vectorout - The output vector(v0.x + v1.x, v0.y + v1.y)public static final VectorM2F addInPlace(VectorM2F v0, VectorReadable2FType v1)
v0 and
v1, saving the result to v0.v0 - The left input vectorv1 - The right input vector(v0.x + v1.x, v0.y + v1.y)public static final VectorM2F addScaled(VectorReadable2FType v0, VectorReadable2FType v1, double r, VectorM2F out)
v0 and the
element-wise product of v1 and r, saving the
result to out.v0 - The left input vectorv1 - The right input vectorout - The output vectorr - The scaling value(v0.x + (v1.x * r), v0.y + (v1.y * r))public static final VectorM2F addScaledInPlace(VectorM2F v0, VectorReadable2FType v1, double r)
v0 and the
element-wise product of v1 and r, saving the
result to v0.v0 - The left input vectorv1 - The right input vectorr - The scaling value(v0.x + (v1.x * r), v0.y + (v1.y * r))public static final boolean almostEqual(com.io7m.jequality.AlmostEqualFloat.ContextRelative context,
VectorReadable2FType qa,
VectorReadable2FType qb)
qa and qb
are equal to within the degree of error given in context.context - The equality contextqa - The left input vectorqb - The right input vectortrue if the vectors are almost equalAlmostEqualFloat.almostEqual(ContextRelative, float, float)public static final double angle(VectorReadable2FType v0, VectorReadable2FType v1)
v0 and v1,
in radians.v0 - The left input vectorv1 - The right input vectorpublic static final VectorM2F clamp(VectorReadable2FType v, float minimum, float maximum, VectorM2F out)
v to the range
[minimum .. maximum] inclusive, saving the result to
out.v - The input vectorminimum - The minimum allowed valuemaximum - The maximum allowed valueout - The output vectormaximum
and at least minimumpublic static final VectorM2F clampByVector(VectorReadable2FType v, VectorReadable2FType minimum, VectorReadable2FType maximum, VectorM2F out)
v to the inclusive range
given by the corresponding elements in minimum and
maximum, saving the result to out.v - The input vectorminimum - The vector containing the minimum acceptable valuesmaximum - The vector containing the maximum acceptable valuesout - The output vector(min(max(v.x, minimum.x), maximum.x), min(max(v.y, minimum.y), maximum.y))public static final VectorM2F clampByVectorInPlace(VectorM2F v, VectorReadable2FType minimum, VectorReadable2FType maximum)
v to the inclusive range
given by the corresponding elements in minimum and
maximum, saving the result to v.v - The input vectorminimum - The vector containing the minimum acceptable valuesmaximum - The vector containing the maximum acceptable values(min(max(v.x, minimum.x), maximum.x), min(max(v.y, minimum.y), maximum.y))public static final VectorM2F clampInPlace(VectorM2F v, float minimum, float maximum)
v to the range
[minimum .. maximum] inclusive, saving the result to
v.v - The input vectorminimum - The minimum allowed valuemaximum - The maximum allowed valuemaximum
and at least minimum, in vpublic static final VectorM2F clampMaximum(VectorReadable2FType v, float maximum, VectorM2F out)
v to the range
[-Infinity .. maximum] inclusive, saving the result to
out.v - The input vectorout - The output vectormaximum - The maximum allowed valuemaximumpublic static final VectorM2F clampMaximumByVector(VectorReadable2FType v, VectorReadable2FType maximum, VectorM2F out)
v to the inclusive range
given by the corresponding elements in maximum, saving the
result to out.v - The input vectormaximum - The vector containing the maximum acceptable valuesout - The output vector(min(v.x, maximum.x), min(v.y, maximum.y))public static final VectorM2F clampMaximumByVectorInPlace(VectorM2F v, VectorReadable2FType maximum)
v to the inclusive range
given by the corresponding elements in maximum, saving the
result to v.v - The input vectormaximum - The vector containing the maximum acceptable values(min(v.x, maximum.x), min(v.y, maximum.y))public static final VectorM2F clampMaximumInPlace(VectorM2F v, float maximum)
v to the range
[-Infinity .. maximum] inclusive, saving the result to
v.v - The input vectormaximum - The maximum allowed valuemaximum
, in vpublic static final VectorM2F clampMinimum(VectorReadable2FType v, float minimum, VectorM2F out)
v to the range
[minimum .. Infinity] inclusive, saving the result to
out.v - The input vectorout - The output vectorminimum - The minimum allowed valueminimumpublic static final VectorM2F clampMinimumByVector(VectorReadable2FType v, VectorReadable2FType minimum, VectorM2F out)
v to the inclusive range
given by the corresponding elements in minimum, saving the
result to out.v - The input vectorout - The output vectorminimum - The vector containing the minimum acceptable values(max(v.x, minimum.x), max(v.y, minimum.y))public static final VectorM2F clampMinimumByVectorInPlace(VectorM2F v, VectorReadable2FType minimum)
v to the inclusive range
given by the corresponding elements in minimum, saving the
result to v.v - The input vectorminimum - The vector containing the minimum acceptable values(max(v.x, minimum.x), max(v.y, minimum.y)) , in
vpublic static final VectorM2F clampMinimumInPlace(VectorM2F v, float minimum)
v to the range
[minimum .. Infinity] inclusive, saving the result to
v.v - The input vectorminimum - The minimum allowed valueminimum, in v.public static final <T extends VectorWritable2FType> T copy(VectorReadable2FType input, T output)
input to the vector
output.T - The specific vector typeinput - The input vectoroutput - The output vectorpublic static final double distance(VectorReadable2FType v0, VectorReadable2FType v1)
v0 and
v1.v0 - The left input vectorv1 - The right input vectorpublic static final float dotProduct(VectorReadable2FType v0, VectorReadable2FType v1)
v0 and
v1.v0 - The left input vectorv1 - The right input vectorpublic static final VectorM2F interpolateLinear(VectorReadable2FType v0, VectorReadable2FType v1, double alpha, VectorM2F r)
v0 and v1 by the
amount alpha, saving the result to r.
The alpha parameter controls the degree of interpolation,
such that:
interpolateLinear(v0, v1, 0.0, r) -> r = v0interpolateLinear(v0, v1, 1.0, r) -> r = v1v0 - The left input vector.v1 - The right input vector.alpha - The interpolation value, between 0.0 and
1.0.r - The result vector.rpublic static final double magnitude(VectorReadable2FType v)
v.
Correspondingly, magnitude(normalize(v)) == 1.0.v - The input vectorpublic static final double magnitudeSquared(VectorReadable2FType v)
v.v - The input vectorpublic static final VectorM2F normalize(VectorReadable2FType v, VectorM2F out)
v but with
magnitude equal to 1.0 in out. The function
returns the zero vector iff the input is the zero vector.v - The input vectorout - The output vectorpublic static final VectorM2F normalizeInPlace(VectorM2F v)
v but with
magnitude equal to 1.0 in v. The function
returns the zero vector iff the input is the zero vector.v - The input vectorpublic static final com.io7m.jfunctional.Pair<VectorM2F,VectorM2F> orthoNormalize(VectorReadable2FType v0, VectorReadable2FType v1)
Orthonormalize and return the vectors v0 and v1
.
See GSP
v0 - The left vectorv1 - The right vector(v0, v1), orthonormalized.public static final void orthoNormalizeInPlace(VectorM2F v0, VectorM2F v1)
Orthonormalize and the vectors v0 and v1.
See GSP
v0 - The left vectorv1 - The right vectorpublic static final VectorM2F projection(VectorReadable2FType p, VectorReadable2FType q, VectorM2F r)
p onto the vector
q, saving the result in r.p - The left vectorq - The right vectorr - The output vector((dotProduct p q) / magnitudeSquared q) * qpublic static final VectorM2F scale(VectorReadable2FType v, double r, VectorM2F out)
v by the scalar r, saving the
result to out.v - The input vectorr - The scaling valueout - The output vector(v.x * r, v.y * r)public static final VectorM2F scaleInPlace(VectorM2F v, double r)
v by the scalar r, saving the
result to v.v - The input vectorr - The scaling value(v.x * r, v.y * r)public static final VectorM2F subtract(VectorReadable2FType v0, VectorReadable2FType v1, VectorM2F out)
v1 from the vector v0,
saving the result to out.v0 - The left input vectorv1 - The right input vectorout - The output vector(v0.x - v1.x, v0.y - v1.y)public static final VectorM2F subtractInPlace(VectorM2F v0, VectorReadable2FType v1)
v1 from the vector v0,
saving the result to v0.v0 - The left input vectorv1 - The right input vector(v0.x - v1.x, v0.y - v1.y)public final void copyFrom2F(VectorReadable2FType in_v)
VectorWritable2FTypecopyFrom2F in interface VectorWritable2FTypein_v - The input vectorpublic final float getXF()
getXF in interface VectorReadable2FTypepublic final float getYF()
getYF in interface VectorReadable2FTypepublic final void set2F(float in_x,
float in_y)
VectorWritable2FTypex and y values of the current
vector.set2F in interface VectorWritable2FTypein_x - The new x value.in_y - The new y value.public final void setXF(float in_x)
VectorWritable2FTypex value of the current vector.setXF in interface VectorWritable2FTypein_x - The new x value.public final void setYF(float in_y)
VectorWritable2FTypey value of the current vector.setYF in interface VectorWritable2FTypein_y - The new y value.Copyright © 2014 <code@io7m.com> http://io7m.com