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/*
* The MIT License
*
* Copyright (c) 2016-2021 JOML
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.joml;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.util.*;
/**
* Interface to a read-only view of a 4-dimensional vector of single-precision floats.
*
* @author Kai Burjack
*/
public interface Vector4fc {
/**
* @return the value of the x component
*/
float x();
/**
* @return the value of the y component
*/
float y();
/**
* @return the value of the z component
*/
float z();
/**
* @return the value of the w component
*/
float w();
/**
* Store this vector into the supplied {@link FloatBuffer} at the current
* buffer {@link FloatBuffer#position() position}.
*
* This method will not increment the position of the given FloatBuffer.
*
* In order to specify the offset into the FloatBuffer at which
* the vector is stored, use {@link #get(int, FloatBuffer)}, taking
* the absolute position as parameter.
*
* @param buffer
* will receive the values of this vector in x, y, z, w order
* @return the passed in buffer
* @see #get(int, FloatBuffer)
*/
FloatBuffer get(FloatBuffer buffer);
/**
* Store this vector into the supplied {@link FloatBuffer} starting at the specified
* absolute buffer position/index.
*
* This method will not increment the position of the given FloatBuffer.
*
* @param index
* the absolute position into the FloatBuffer
* @param buffer
* will receive the values of this vector in x, y, z, w order
* @return the passed in buffer
*/
FloatBuffer get(int index, FloatBuffer buffer);
/**
* Store this vector into the supplied {@link ByteBuffer} at the current
* buffer {@link ByteBuffer#position() position}.
*
* This method will not increment the position of the given ByteBuffer.
*
* In order to specify the offset into the ByteBuffer at which
* the vector is stored, use {@link #get(int, ByteBuffer)}, taking
* the absolute position as parameter.
*
* @param buffer
* will receive the values of this vector in x, y, z, w order
* @return the passed in buffer
* @see #get(int, ByteBuffer)
*/
ByteBuffer get(ByteBuffer buffer);
/**
* Store this vector into the supplied {@link ByteBuffer} starting at the specified
* absolute buffer position/index.
*
* This method will not increment the position of the given ByteBuffer.
*
* @param index
* the absolute position into the ByteBuffer
* @param buffer
* will receive the values of this vector in x, y, z, w order
* @return the passed in buffer
*/
ByteBuffer get(int index, ByteBuffer buffer);
/**
* Store this vector at the given off-heap memory address.
*
* This method will throw an {@link UnsupportedOperationException} when JOML is used with `-Djoml.nounsafe`.
*
* This method is unsafe as it can result in a crash of the JVM process when the specified address range does not belong to this process.
*
* @param address
* the off-heap address where to store this vector
* @return this
*/
Vector4fc getToAddress(long address);
/**
* Subtract the supplied vector from this one and store the result in dest.
*
* @param v
* the vector to subtract from this
* @param dest
* will hold the result
* @return dest
*/
Vector4f sub(Vector4fc v, Vector4f dest);
/**
* Subtract (x, y, z, w) from this and store the result in dest.
*
* @param x
* the x component to subtract
* @param y
* the y component to subtract
* @param z
* the z component to subtract
* @param w
* the w component to subtract
* @param dest
* will hold the result
* @return dest
*/
Vector4f sub(float x, float y, float z, float w, Vector4f dest);
/**
* Add the supplied vector to this one and store the result in dest.
*
* @param v
* the vector to add
* @param dest
* will hold the result
* @return dest
*/
Vector4f add(Vector4fc v, Vector4f dest);
/**
* Increment the components of this vector by the given values and store the result in dest.
*
* @param x
* the x component to add
* @param y
* the y component to add
* @param z
* the z component to add
* @param w
* the w component to add
* @param dest
* will hold the result
* @return dest
*/
Vector4f add(float x, float y, float z, float w, Vector4f dest);
/**
* Add the component-wise multiplication of a * b to this vector
* and store the result in dest.
*
* @param a
* the first multiplicand
* @param b
* the second multiplicand
* @param dest
* will hold the result
* @return dest
*/
Vector4f fma(Vector4fc a, Vector4fc b, Vector4f dest);
/**
* Add the component-wise multiplication of a * b to this vector
* and store the result in dest.
*
* @param a
* the first multiplicand
* @param b
* the second multiplicand
* @param dest
* will hold the result
* @return dest
*/
Vector4f fma(float a, Vector4fc b, Vector4f dest);
/**
* Add the component-wise multiplication of this * a to b
* and store the result in dest.
*
* @param a
* the multiplicand
* @param b
* the addend
* @param dest
* will hold the result
* @return dest
*/
Vector4f mulAdd(Vector4fc a, Vector4fc b, Vector4f dest);
/**
* Add the component-wise multiplication of this * a to b
* and store the result in dest.
*
* @param a
* the multiplicand
* @param b
* the addend
* @param dest
* will hold the result
* @return dest
*/
Vector4f mulAdd(float a, Vector4fc b, Vector4f dest);
/**
* Multiply this Vector4f component-wise by another Vector4f and store the result in dest.
*
* @param v
* the other vector
* @param dest
* will hold the result
* @return dest
*/
Vector4f mul(Vector4fc v, Vector4f dest);
/**
* Divide this Vector4f component-wise by another Vector4f and store the result in dest.
*
* @param v
* the vector to divide by
* @param dest
* will hold the result
* @return dest
*/
Vector4f div(Vector4fc v, Vector4f dest);
/**
* Multiply the given matrix mat with this Vector4f and store the result in
* dest.
*
* @param mat
* the matrix to multiply the vector with
* @param dest
* the destination vector to hold the result
* @return dest
*/
Vector4f mul(Matrix4fc mat, Vector4f dest);
/**
* Multiply the transpose of the given matrix mat with this Vector4f and store the result in
* dest.
*
* @param mat
* the matrix whose transpose to multiply the vector with
* @param dest
* the destination vector to hold the result
* @return dest
*/
Vector4f mulTranspose(Matrix4fc mat, Vector4f dest);
/**
* Multiply the given affine matrix mat with this Vector4f and store the result in
* dest.
*
* @param mat
* the affine matrix to multiply the vector with
* @param dest
* the destination vector to hold the result
* @return dest
*/
Vector4f mulAffine(Matrix4fc mat, Vector4f dest);
/**
* Multiply the transpose of the given affine matrix mat with this Vector4f and store the result in
* dest.
*
* @param mat
* the affine matrix whose transpose to multiply the vector with
* @param dest
* the destination vector to hold the result
* @return dest
*/
Vector4f mulAffineTranspose(Matrix4fc mat, Vector4f dest);
/**
* Multiply the given matrix mat with this Vector4f and store the result in
* dest.
*
* @param mat
* the matrix to multiply the vector with
* @param dest
* the destination vector to hold the result
* @return dest
*/
Vector4f mul(Matrix4x3fc mat, Vector4f dest);
/**
* Multiply the given matrix mat with this Vector4f, perform perspective division
* and store the result in dest.
*
* @param mat
* the matrix to multiply this vector by
* @param dest
* will hold the result
* @return dest
*/
Vector4f mulProject(Matrix4fc mat, Vector4f dest);
/**
* Multiply the given matrix mat with this Vector4f, perform perspective division
* and store the (x, y, z) result in dest.
*
* @param mat
* the matrix to multiply this vector by
* @param dest
* will hold the result
* @return dest
*/
Vector3f mulProject(Matrix4fc mat, Vector3f dest);
/**
* Multiply all components of this {@link Vector4f} by the given scalar
* value and store the result in dest.
*
* @param scalar
* the scalar to multiply by
* @param dest
* will hold the result
* @return dest
*/
Vector4f mul(float scalar, Vector4f dest);
/**
* Multiply the components of this Vector4f by the given scalar values and store the result in dest.
*
* @param x
* the x component to multiply by
* @param y
* the y component to multiply by
* @param z
* the z component to multiply by
* @param w
* the w component to multiply by
* @param dest
* will hold the result
* @return dest
*/
Vector4f mul(float x, float y, float z, float w, Vector4f dest);
/**
* Divide all components of this {@link Vector4f} by the given scalar
* value and store the result in dest.
*
* @param scalar
* the scalar to divide by
* @param dest
* will hold the result
* @return dest
*/
Vector4f div(float scalar, Vector4f dest);
/**
* Divide the components of this Vector4f by the given scalar values and store the result in dest.
*
* @param x
* the x component to divide by
* @param y
* the y component to divide by
* @param z
* the z component to divide by
* @param w
* the w component to divide by
* @param dest
* will hold the result
* @return dest
*/
Vector4f div(float x, float y, float z, float w, Vector4f dest);
/**
* Rotate this vector by the given quaternion quat and store the result in dest.
*
* @see Quaternionf#transform(Vector4f)
*
* @param quat
* the quaternion to rotate this vector
* @param dest
* will hold the result
* @return dest
*/
Vector4f rotate(Quaternionfc quat, Vector4f dest);
/**
* Rotate this vector the specified radians around the given rotation axis and store the result
* into dest.
*
* @param angle
* the angle in radians
* @param aX
* the x component of the rotation axis
* @param aY
* the y component of the rotation axis
* @param aZ
* the z component of the rotation axis
* @param dest
* will hold the result
* @return dest
*/
Vector4f rotateAxis(float angle, float aX, float aY, float aZ, Vector4f dest);
/**
* Rotate this vector the specified radians around the X axis and store the result
* into dest.
*
* @param angle
* the angle in radians
* @param dest
* will hold the result
* @return dest
*/
Vector4f rotateX(float angle, Vector4f dest);
/**
* Rotate this vector the specified radians around the Y axis and store the result
* into dest.
*
* @param angle
* the angle in radians
* @param dest
* will hold the result
* @return dest
*/
Vector4f rotateY(float angle, Vector4f dest);
/**
* Rotate this vector the specified radians around the Z axis and store the result
* into dest.
*
* @param angle
* the angle in radians
* @param dest
* will hold the result
* @return dest
*/
Vector4f rotateZ(float angle, Vector4f dest);
/**
* Return the length squared of this vector.
*
* @return the length squared
*/
float lengthSquared();
/**
* Return the length of this vector.
*
* @return the length
*/
float length();
/**
* Normalizes this vector and store the result in dest.
*
* @param dest
* will hold the result
* @return dest
*/
Vector4f normalize(Vector4f dest);
/**
* Scale this vector to have the given length and store the result in dest.
*
* @param length
* the desired length
* @param dest
* will hold the result
* @return dest
*/
Vector4f normalize(float length, Vector4f dest);
/**
* Normalize this vector by computing only the norm of (x, y, z) and store the result in dest.
*
* @param dest
* will hold the result
* @return dest
*/
Vector4f normalize3(Vector4f dest);
/**
* Return the distance between this Vector and v.
*
* @param v
* the other vector
* @return the distance
*/
float distance(Vector4fc v);
/**
* Return the distance between this vector and (x, y, z, w).
*
* @param x
* the x component of the other vector
* @param y
* the y component of the other vector
* @param z
* the z component of the other vector
* @param w
* the w component of the other vector
* @return the euclidean distance
*/
float distance(float x, float y, float z, float w);
/**
* Return the square of the distance between this vector and v.
*
* @param v
* the other vector
* @return the squared of the distance
*/
float distanceSquared(Vector4fc v);
/**
* Return the square of the distance between this vector and
* (x, y, z, w).
*
* @param x
* the x component of the other vector
* @param y
* the y component of the other vector
* @param z
* the z component of the other vector
* @param w
* the w component of the other vector
* @return the square of the distance
*/
float distanceSquared(float x, float y, float z, float w);
/**
* Compute the dot product (inner product) of this vector and v
* .
*
* @param v
* the other vector
* @return the dot product
*/
float dot(Vector4fc v);
/**
* Compute the dot product (inner product) of this vector and (x, y, z, w).
*
* @param x
* the x component of the other vector
* @param y
* the y component of the other vector
* @param z
* the z component of the other vector
* @param w
* the w component of the other vector
* @return the dot product
*/
float dot(float x, float y, float z, float w);
/**
* Return the cosine of the angle between this vector and the supplied vector. Use this instead of Math.cos(angle(v)).
*
* @see #angle(Vector4fc)
*
* @param v
* the other vector
* @return the cosine of the angle
*/
float angleCos(Vector4fc v);
/**
* Return the angle between this vector and the supplied vector.
*
* @see #angleCos(Vector4fc)
*
* @param v
* the other vector
* @return the angle, in radians
*/
float angle(Vector4fc v);
/**
* Negate this vector and store the result in dest.
*
* @param dest
* will hold the result
* @return dest
*/
Vector4f negate(Vector4f dest);
/**
* Set the components of dest to be the component-wise minimum of this and the other vector.
*
* @param v
* the other vector
* @param dest
* will hold the result
* @return dest
*/
Vector4f min(Vector4fc v, Vector4f dest);
/**
* Set the components of dest to be the component-wise maximum of this and the other vector.
*
* @param v
* the other vector
* @param dest
* will hold the result
* @return dest
*/
Vector4f max(Vector4fc v, Vector4f dest);
/**
* Linearly interpolate this and other using the given interpolation factor t
* and store the result in dest.
*
* If t is 0.0 then the result is this. If the interpolation factor is 1.0
* then the result is other.
*
* @param other
* the other vector
* @param t
* the interpolation factor between 0.0 and 1.0
* @param dest
* will hold the result
* @return dest
*/
Vector4f lerp(Vector4fc other, float t, Vector4f dest);
/**
* Compute a smooth-step (i.e. hermite with zero tangents) interpolation
* between this vector and the given vector v and
* store the result in dest.
*
* @param v
* the other vector
* @param t
* the interpolation factor, within [0..1]
* @param dest
* will hold the result
* @return dest
*/
Vector4f smoothStep(Vector4fc v, float t, Vector4f dest);
/**
* Compute a hermite interpolation between this vector and its
* associated tangent t0 and the given vector v
* with its tangent t1 and store the result in
* dest.
*
* @param t0
* the tangent of this vector
* @param v1
* the other vector
* @param t1
* the tangent of the other vector
* @param t
* the interpolation factor, within [0..1]
* @param dest
* will hold the result
* @return dest
*/
Vector4f hermite(Vector4fc t0, Vector4fc v1, Vector4fc t1, float t, Vector4f dest);
/**
* Get the value of the specified component of this vector.
*
* @param component
* the component, within [0..3]
* @return the value
* @throws IllegalArgumentException if component is not within [0..3]
*/
float get(int component) throws IllegalArgumentException;
/**
* Set the components of the given vector dest to those of this vector
* using the given {@link RoundingMode}.
*
* @param mode
* the {@link RoundingMode} to use
* @param dest
* will hold the result
* @return dest
*/
Vector4i get(int mode, Vector4i dest);
/**
* Set the components of the given vector dest to those of this vector.
*
* @param dest
* will hold the result
* @return dest
*/
Vector4f get(Vector4f dest);
/**
* Set the components of the given vector dest to those of this vector.
*
* @param dest
* will hold the result
* @return dest
*/
Vector4d get(Vector4d dest);
/**
* Determine the component with the biggest absolute value.
*
* @return the component index, within [0..3]
*/
int maxComponent();
/**
* Determine the component with the smallest (towards zero) absolute value.
*
* @return the component index, within [0..3]
*/
int minComponent();
/**
* Compute for each component of this vector the largest (closest to positive
* infinity) {@code float} value that is less than or equal to that
* component and is equal to a mathematical integer and store the result in
* dest.
*
* @param dest
* will hold the result
* @return dest
*/
Vector4f floor(Vector4f dest);
/**
* Compute for each component of this vector the smallest (closest to negative
* infinity) {@code float} value that is greater than or equal to that
* component and is equal to a mathematical integer and store the result in
* dest.
*
* @param dest
* will hold the result
* @return dest
*/
Vector4f ceil(Vector4f dest);
/**
* Compute for each component of this vector the closest float that is equal to
* a mathematical integer, with ties rounding to positive infinity and store
* the result in dest.
*
* @param dest
* will hold the result
* @return dest
*/
Vector4f round(Vector4f dest);
/**
* Determine whether all components are finite floating-point values, that
* is, they are not {@link Float#isNaN() NaN} and not
* {@link Float#isInfinite() infinity}.
*
* @return {@code true} if all components are finite floating-point values;
* {@code false} otherwise
*/
boolean isFinite();
/**
* Compute the absolute of each of this vector's components
* and store the result into dest.
*
* @param dest
* will hold the result
* @return dest
*/
Vector4f absolute(Vector4f dest);
/**
* Compare the vector components of this vector with the given vector using the given delta
* and return whether all of them are equal within a maximum difference of delta.
*
* Please note that this method is not used by any data structure such as {@link ArrayList} {@link HashSet} or {@link HashMap}
* and their operations, such as {@link ArrayList#contains(Object)} or {@link HashSet#remove(Object)}, since those
* data structures only use the {@link Object#equals(Object)} and {@link Object#hashCode()} methods.
*
* @param v
* the other vector
* @param delta
* the allowed maximum difference
* @return true whether all of the vector components are equal; false otherwise
*/
boolean equals(Vector4fc v, float delta);
/**
* Compare the vector components of this vector with the given (x, y, z, w)
* and return whether all of them are equal.
*
* @param x
* the x component to compare to
* @param y
* the y component to compare to
* @param z
* the z component to compare to
* @param w
* the w component to compare to
* @return true if all the vector components are equal
*/
boolean equals(float x, float y, float z, float w);
}