/*
* (C) Copyright 2016-2017 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;
//#ifdef __HAS_NIO__
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
//#endif
//#ifdef __GWT__
import com.google.gwt.typedarrays.shared.Float32Array;
//#endif
/**
* Interface to an immutable 3x3 matrix of single-precision floats.
*
* @author Kai Burjack
*/
public interface Matrix3fc {
/**
* Return the value of the matrix element at column 0 and row 0.
*
* @return the value of the matrix element
*/
float m00();
/**
* Return the value of the matrix element at column 0 and row 1.
*
* @return the value of the matrix element
*/
float m01();
/**
* Return the value of the matrix element at column 0 and row 2.
*
* @return the value of the matrix element
*/
float m02();
/**
* Return the value of the matrix element at column 1 and row 0.
*
* @return the value of the matrix element
*/
float m10();
/**
* Return the value of the matrix element at column 1 and row 1.
*
* @return the value of the matrix element
*/
float m11();
/**
* Return the value of the matrix element at column 1 and row 2.
*
* @return the value of the matrix element
*/
float m12();
/**
* Return the value of the matrix element at column 2 and row 0.
*
* @return the value of the matrix element
*/
float m20();
/**
* Return the value of the matrix element at column 2 and row 1.
*
* @return the value of the matrix element
*/
float m21();
/**
* Return the value of the matrix element at column 2 and row 2.
*
* @return the value of the matrix element
*/
float m22();
/**
* Multiply this matrix by the supplied <code>right</code> matrix and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the <code>right</code> matrix,
* then the new matrix will be <code>M * R</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * R * v</code>, the
* transformation of the right matrix will be applied first!
*
* @param right
* the right operand of the matrix multiplication
* @param dest
* will hold the result
* @return dest
*/
Matrix3f mul(Matrix3fc right, Matrix3f dest);
/**
* Pre-multiply this matrix by the supplied <code>left</code> matrix and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>L</code> the <code>left</code> matrix,
* then the new matrix will be <code>L * M</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>L * M * v</code>, the
* transformation of <code>this</code> matrix will be applied first!
*
* @param left
* the left operand of the matrix multiplication
* @param dest
* the destination matrix, which will hold the result
* @return dest
*/
Matrix3f mulLocal(Matrix3fc left, Matrix3f dest);
/**
* Return the determinant of this matrix.
*
* @return the determinant
*/
float determinant();
/**
* Invert the <code>this</code> matrix and store the result in <code>dest</code>.
*
* @param dest
* will hold the result
* @return dest
*/
Matrix3f invert(Matrix3f dest);
/**
* Transpose <code>this</code> matrix and store the result in <code>dest</code>.
*
* @param dest
* will hold the result
* @return dest
*/
Matrix3f transpose(Matrix3f dest);
/**
* Get the current values of <code>this</code> matrix and store them into
* <code>dest</code>.
*
* @param dest
* the destination matrix
* @return the passed in destination
*/
Matrix3f get(Matrix3f dest);
/**
* Get the current values of <code>this</code> matrix and store them as
* the rotational component of <code>dest</code>. All other values of <code>dest</code> will
* be set to identity.
*
* @see Matrix4f#set(Matrix3fc)
*
* @param dest
* the destination matrix
* @return the passed in destination
*/
Matrix4f get(Matrix4f dest);
/**
* Get the current values of <code>this</code> matrix and store the represented rotation
* into the given {@link AxisAngle4f}.
*
* @see AxisAngle4f#set(Matrix3fc)
*
* @param dest
* the destination {@link AxisAngle4f}
* @return the passed in destination
*/
AxisAngle4f getRotation(AxisAngle4f dest);
/**
* Get the current values of <code>this</code> matrix and store the represented rotation
* into the given {@link Quaternionf}.
* <p>
* This method assumes that the three column vectors of this matrix are not normalized and
* thus allows to ignore any additional scaling factor that is applied to the matrix.
*
* @see Quaternionf#setFromUnnormalized(Matrix3fc)
*
* @param dest
* the destination {@link Quaternionf}
* @return the passed in destination
*/
Quaternionf getUnnormalizedRotation(Quaternionf dest);
/**
* Get the current values of <code>this</code> matrix and store the represented rotation
* into the given {@link Quaternionf}.
* <p>
* This method assumes that the three column vectors of this matrix are normalized.
*
* @see Quaternionf#setFromNormalized(Matrix3fc)
*
* @param dest
* the destination {@link Quaternionf}
* @return the passed in destination
*/
Quaternionf getNormalizedRotation(Quaternionf dest);
/**
* Get the current values of <code>this</code> matrix and store the represented rotation
* into the given {@link Quaterniond}.
* <p>
* This method assumes that the three column vectors of this matrix are not normalized and
* thus allows to ignore any additional scaling factor that is applied to the matrix.
*
* @see Quaterniond#setFromUnnormalized(Matrix3fc)
*
* @param dest
* the destination {@link Quaterniond}
* @return the passed in destination
*/
Quaterniond getUnnormalizedRotation(Quaterniond dest);
/**
* Get the current values of <code>this</code> matrix and store the represented rotation
* into the given {@link Quaterniond}.
* <p>
* This method assumes that the three column vectors of this matrix are normalized.
*
* @see Quaterniond#setFromNormalized(Matrix3fc)
*
* @param dest
* the destination {@link Quaterniond}
* @return the passed in destination
*/
Quaterniond getNormalizedRotation(Quaterniond dest);
//#ifdef __GWT__
/**
* Store this matrix in column-major order into the supplied {@link Float32Array}.
*
* @param buffer
* will receive the values of this matrix in column-major order
* @return the passed in buffer
*/
Float32Array get(Float32Array buffer);
/**
* Store this matrix in column-major order into the supplied {@link Float32Array}
* at the given index.
*
* @param index
* the index at which to store this matrix in the supplied Float32Array
* @param buffer
* will receive the values of this matrix in column-major order
* @return the passed in buffer
*/
Float32Array get(int index, Float32Array buffer);
//#endif
//#ifdef __HAS_NIO__
/**
* Store this matrix in column-major order into the supplied {@link FloatBuffer} at the current
* buffer {@link FloatBuffer#position() position}.
* <p>
* This method will not increment the position of the given FloatBuffer.
* <p>
* In order to specify the offset into the FloatBuffer at which
* the matrix is stored, use {@link #get(int, FloatBuffer)}, taking
* the absolute position as parameter.
*
* @see #get(int, FloatBuffer)
*
* @param buffer
* will receive the values of this matrix in column-major order at its current position
* @return the passed in buffer
*/
FloatBuffer get(FloatBuffer buffer);
/**
* Store this matrix in column-major order into the supplied {@link FloatBuffer} starting at the specified
* absolute buffer position/index.
* <p>
* 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 matrix in column-major order
* @return the passed in buffer
*/
FloatBuffer get(int index, FloatBuffer buffer);
/**
* Store this matrix in column-major order into the supplied {@link ByteBuffer} at the current
* buffer {@link ByteBuffer#position() position}.
* <p>
* This method will not increment the position of the given ByteBuffer.
* <p>
* In order to specify the offset into the ByteBuffer at which
* the matrix is stored, use {@link #get(int, ByteBuffer)}, taking
* the absolute position as parameter.
*
* @see #get(int, ByteBuffer)
*
* @param buffer
* will receive the values of this matrix in column-major order at its current position
* @return the passed in buffer
*/
ByteBuffer get(ByteBuffer buffer);
/**
* Store this matrix in column-major order into the supplied {@link ByteBuffer} starting at the specified
* absolute buffer position/index.
* <p>
* 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 matrix in column-major order
* @return the passed in buffer
*/
ByteBuffer get(int index, ByteBuffer buffer);
/**
* Store the transpose of this matrix in column-major order into the supplied {@link FloatBuffer} at the current
* buffer {@link FloatBuffer#position() position}.
* <p>
* This method will not increment the position of the given FloatBuffer.
* <p>
* In order to specify the offset into the FloatBuffer at which
* the matrix is stored, use {@link #getTransposed(int, FloatBuffer)}, taking
* the absolute position as parameter.
*
* @see #getTransposed(int, FloatBuffer)
*
* @param buffer
* will receive the values of this matrix in column-major order at its current position
* @return the passed in buffer
*/
FloatBuffer getTransposed(FloatBuffer buffer);
/**
* Store the transpose of this matrix in column-major order into the supplied {@link FloatBuffer} starting at the specified
* absolute buffer position/index.
* <p>
* 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 matrix in column-major order
* @return the passed in buffer
*/
FloatBuffer getTransposed(int index, FloatBuffer buffer);
/**
* Store the transpose of this matrix in column-major order into the supplied {@link ByteBuffer} at the current
* buffer {@link ByteBuffer#position() position}.
* <p>
* This method will not increment the position of the given ByteBuffer.
* <p>
* In order to specify the offset into the ByteBuffer at which
* the matrix is stored, use {@link #getTransposed(int, ByteBuffer)}, taking
* the absolute position as parameter.
*
* @see #getTransposed(int, ByteBuffer)
*
* @param buffer
* will receive the values of this matrix in column-major order at its current position
* @return the passed in buffer
*/
ByteBuffer getTransposed(ByteBuffer buffer);
/**
* Store the transpose of this matrix in column-major order into the supplied {@link ByteBuffer} starting at the specified
* absolute buffer position/index.
* <p>
* 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 matrix in column-major order
* @return the passed in buffer
*/
ByteBuffer getTransposed(int index, ByteBuffer buffer);
//#endif
/**
* Store this matrix into the supplied float array in column-major order at the given offset.
*
* @param arr
* the array to write the matrix values into
* @param offset
* the offset into the array
* @return the passed in array
*/
float[] get(float[] arr, int offset);
/**
* Store this matrix into the supplied float array in column-major order.
* <p>
* In order to specify an explicit offset into the array, use the method {@link #get(float[], int)}.
*
* @see #get(float[], int)
*
* @param arr
* the array to write the matrix values into
* @return the passed in array
*/
float[] get(float[] arr);
/**
* Apply scaling to <code>this</code> matrix by scaling the base axes by the given <tt>xyz.x</tt>,
* <tt>xyz.y</tt> and <tt>xyz.z</tt> factors, respectively and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>S</code> the scaling matrix,
* then the new matrix will be <code>M * S</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * S * v</code>
* , the scaling will be applied first!
*
* @param xyz
* the factors of the x, y and z component, respectively
* @param dest
* will hold the result
* @return dest
*/
Matrix3f scale(Vector3fc xyz, Matrix3f dest);
/**
* Apply scaling to this matrix by scaling the base axes by the given x,
* y and z factors and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>S</code> the scaling matrix,
* then the new matrix will be <code>M * S</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * S * v</code>
* , the scaling will be applied first!
*
* @param x
* the factor of the x component
* @param y
* the factor of the y component
* @param z
* the factor of the z component
* @param dest
* will hold the result
* @return dest
*/
Matrix3f scale(float x, float y, float z, Matrix3f dest);
/**
* Apply scaling to this matrix by uniformly scaling all base axes by the given <code>xyz</code> factor
* and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>S</code> the scaling matrix,
* then the new matrix will be <code>M * S</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * S * v</code>
* , the scaling will be applied first!
*
* @see #scale(float, float, float, Matrix3f)
*
* @param xyz
* the factor for all components
* @param dest
* will hold the result
* @return dest
*/
Matrix3f scale(float xyz, Matrix3f dest);
/**
* Pre-multiply scaling to <code>this</code> matrix by scaling the base axes by the given x,
* y and z factors and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>S</code> the scaling matrix,
* then the new matrix will be <code>S * M</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>S * M * v</code>
* , the scaling will be applied last!
*
* @param x
* the factor of the x component
* @param y
* the factor of the y component
* @param z
* the factor of the z component
* @param dest
* will hold the result
* @return dest
*/
Matrix3f scaleLocal(float x, float y, float z, Matrix3f dest);
/**
* Transform the given vector by this matrix.
*
* @param v
* the vector to transform
* @return v
*/
Vector3f transform(Vector3f v);
/**
* Transform the given vector by this matrix and store the result in <code>dest</code>.
*
* @param v
* the vector to transform
* @param dest
* will hold the result
* @return dest
*/
Vector3f transform(Vector3fc v, Vector3f dest);
/**
* Transform the vector <tt>(x, y, z)</tt> by this matrix and store the result in <code>dest</code>.
*
* @param x
* the x coordinate of the vector to transform
* @param y
* the y coordinate of the vector to transform
* @param z
* the z coordinate of the vector to transform
* @param dest
* will hold the result
* @return dest
*/
Vector3f transform(float x, float y, float z, Vector3f dest);
/**
* Apply rotation about the X axis to this matrix by rotating the given amount of radians
* and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>M * R</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * R * v</code>
* , the rotation will be applied first!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Basic_rotations">http://en.wikipedia.org</a>
*
* @param ang
* the angle in radians
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateX(float ang, Matrix3f dest);
/**
* Apply rotation about the Y axis to this matrix by rotating the given amount of radians
* and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>M * R</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * R * v</code>
* , the rotation will be applied first!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Basic_rotations">http://en.wikipedia.org</a>
*
* @param ang
* the angle in radians
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateY(float ang, Matrix3f dest);
/**
* Apply rotation about the Z axis to this matrix by rotating the given amount of radians
* and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>M * R</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * R * v</code>
* , the rotation will be applied first!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Basic_rotations">http://en.wikipedia.org</a>
*
* @param ang
* the angle in radians
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateZ(float ang, Matrix3f dest);
/**
* Apply rotation of <code>angleX</code> radians about the X axis, followed by a rotation of <code>angleY</code> radians about the Y axis and
* followed by a rotation of <code>angleZ</code> radians about the Z axis and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>M * R</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * R * v</code>, the
* rotation will be applied first!
* <p>
* This method is equivalent to calling: <tt>rotateX(angleX, dest).rotateY(angleY).rotateZ(angleZ)</tt>
*
* @param angleX
* the angle to rotate about X
* @param angleY
* the angle to rotate about Y
* @param angleZ
* the angle to rotate about Z
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateXYZ(float angleX, float angleY, float angleZ, Matrix3f dest);
/**
* Apply rotation of <code>angleZ</code> radians about the Z axis, followed by a rotation of <code>angleY</code> radians about the Y axis and
* followed by a rotation of <code>angleX</code> radians about the X axis and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>M * R</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * R * v</code>, the
* rotation will be applied first!
* <p>
* This method is equivalent to calling: <tt>rotateZ(angleZ, dest).rotateY(angleY).rotateX(angleX)</tt>
*
* @param angleZ
* the angle to rotate about Z
* @param angleY
* the angle to rotate about Y
* @param angleX
* the angle to rotate about X
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateZYX(float angleZ, float angleY, float angleX, Matrix3f dest);
/**
* Apply rotation of <code>angleY</code> radians about the Y axis, followed by a rotation of <code>angleX</code> radians about the X axis and
* followed by a rotation of <code>angleZ</code> radians about the Z axis and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>M * R</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * R * v</code>, the
* rotation will be applied first!
* <p>
* This method is equivalent to calling: <tt>rotateY(angleY, dest).rotateX(angleX).rotateZ(angleZ)</tt>
*
* @param angleY
* the angle to rotate about Y
* @param angleX
* the angle to rotate about X
* @param angleZ
* the angle to rotate about Z
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateYXZ(float angleY, float angleX, float angleZ, Matrix3f dest);
/**
* Apply rotation to this matrix by rotating the given amount of radians
* about the given axis specified as x, y and z components, and store the result in <code>dest</code>.
* <p>
* The axis described by the three components needs to be a unit vector.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>M * R</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * R * v</code>
* , the rotation will be applied first!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Rotation_matrix_from_axis_and_angle">http://en.wikipedia.org</a>
*
* @param ang
* the angle in radians
* @param x
* the x component of the axis
* @param y
* the y component of the axis
* @param z
* the z component of the axis
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotate(float ang, float x, float y, float z, Matrix3f dest);
/**
* Pre-multiply a rotation to this matrix by rotating the given amount of radians
* about the specified <tt>(x, y, z)</tt> axis and store the result in <code>dest</code>.
* <p>
* The axis described by the three components needs to be a unit vector.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>R * M</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>R * M * v</code>, the
* rotation will be applied last!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Rotation_matrix_from_axis_and_angle">http://en.wikipedia.org</a>
*
* @param ang
* the angle in radians
* @param x
* the x component of the axis
* @param y
* the y component of the axis
* @param z
* the z component of the axis
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateLocal(float ang, float x, float y, float z, Matrix3f dest);
/**
* Pre-multiply a rotation around the X axis to this matrix by rotating the given amount of radians
* about the X axis and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>R * M</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>R * M * v</code>, the
* rotation will be applied last!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Rotation_matrix_from_axis_and_angle">http://en.wikipedia.org</a>
*
* @param ang
* the angle in radians to rotate about the X axis
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateLocalX(float ang, Matrix3f dest);
/**
* Pre-multiply a rotation around the Y axis to this matrix by rotating the given amount of radians
* about the Y axis and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>R * M</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>R * M * v</code>, the
* rotation will be applied last!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Rotation_matrix_from_axis_and_angle">http://en.wikipedia.org</a>
*
* @param ang
* the angle in radians to rotate about the Y axis
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateLocalY(float ang, Matrix3f dest);
/**
* Pre-multiply a rotation around the Z axis to this matrix by rotating the given amount of radians
* about the Z axis and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>R</code> the rotation matrix,
* then the new matrix will be <code>R * M</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>R * M * v</code>, the
* rotation will be applied last!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Rotation_matrix_from_axis_and_angle">http://en.wikipedia.org</a>
*
* @param ang
* the angle in radians to rotate about the Z axis
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateLocalZ(float ang, Matrix3f dest);
/**
* Apply the rotation - and possibly scaling - transformation of the given {@link Quaternionfc} to this matrix and store
* the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>Q</code> the rotation matrix obtained from the given quaternion,
* then the new matrix will be <code>M * Q</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * Q * v</code>,
* the quaternion rotation will be applied first!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Quaternion">http://en.wikipedia.org</a>
*
* @param quat
* the {@link Quaternionfc}
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotate(Quaternionfc quat, Matrix3f dest);
/**
* Pre-multiply the rotation - and possibly scaling - transformation of the given {@link Quaternionfc} to this matrix and store
* the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>Q</code> the rotation matrix obtained from the given quaternion,
* then the new matrix will be <code>Q * M</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>Q * M * v</code>,
* the quaternion rotation will be applied last!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Quaternion">http://en.wikipedia.org</a>
*
* @param quat
* the {@link Quaternionfc}
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateLocal(Quaternionfc quat, Matrix3f dest);
/**
* Apply a rotation transformation, rotating about the given {@link AxisAngle4f} and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>A</code> the rotation matrix obtained from the given {@link AxisAngle4f},
* then the new matrix will be <code>M * A</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * A * v</code>,
* the {@link AxisAngle4f} rotation will be applied first!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Axis_and_angle">http://en.wikipedia.org</a>
*
* @see #rotate(float, float, float, float, Matrix3f)
*
* @param axisAngle
* the {@link AxisAngle4f} (needs to be {@link AxisAngle4f#normalize() normalized})
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotate(AxisAngle4f axisAngle, Matrix3f dest);
/**
* Apply a rotation transformation, rotating the given radians about the specified axis and store the result in <code>dest</code>.
* <p>
* When used with a right-handed coordinate system, the produced rotation will rotate a vector
* counter-clockwise around the rotation axis, when viewing along the negative axis direction towards the origin.
* When used with a left-handed coordinate system, the rotation is clockwise.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>A</code> the rotation matrix obtained from the given angle and axis,
* then the new matrix will be <code>M * A</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * A * v</code>,
* the axis-angle rotation will be applied first!
* <p>
* Reference: <a href="http://en.wikipedia.org/wiki/Rotation_matrix#Axis_and_angle">http://en.wikipedia.org</a>
*
* @see #rotate(float, float, float, float, Matrix3f)
*
* @param angle
* the angle in radians
* @param axis
* the rotation axis (needs to be {@link Vector3f#normalize() normalized})
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotate(float angle, Vector3fc axis, Matrix3f dest);
/**
* Apply a rotation transformation to this matrix to make <code>-z</code> point along <code>dir</code>
* and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>L</code> the lookalong rotation matrix,
* then the new matrix will be <code>M * L</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * L * v</code>, the
* lookalong rotation transformation will be applied first!
*
* @see #lookAlong(float, float, float, float, float, float, Matrix3f)
*
* @param dir
* the direction in space to look along
* @param up
* the direction of 'up'
* @param dest
* will hold the result
* @return dest
*/
Matrix3f lookAlong(Vector3fc dir, Vector3fc up, Matrix3f dest);
/**
* Apply a rotation transformation to this matrix to make <code>-z</code> point along <code>dir</code>
* and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>L</code> the lookalong rotation matrix,
* then the new matrix will be <code>M * L</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * L * v</code>, the
* lookalong rotation transformation will be applied first!
*
* @param dirX
* the x-coordinate of the direction to look along
* @param dirY
* the y-coordinate of the direction to look along
* @param dirZ
* the z-coordinate of the direction to look along
* @param upX
* the x-coordinate of the up vector
* @param upY
* the y-coordinate of the up vector
* @param upZ
* the z-coordinate of the up vector
* @param dest
* will hold the result
* @return dest
*/
Matrix3f lookAlong(float dirX, float dirY, float dirZ, float upX, float upY, float upZ, Matrix3f dest);
/**
* Get the row at the given <code>row</code> index, starting with <code>0</code>.
*
* @param row
* the row index in <tt>[0..2]</tt>
* @param dest
* will hold the row components
* @return the passed in destination
* @throws IndexOutOfBoundsException if <code>row</code> is not in <tt>[0..2]</tt>
*/
Vector3f getRow(int row, Vector3f dest) throws IndexOutOfBoundsException;
/**
* Get the column at the given <code>column</code> index, starting with <code>0</code>.
*
* @param column
* the column index in <tt>[0..2]</tt>
* @param dest
* will hold the column components
* @return the passed in destination
* @throws IndexOutOfBoundsException if <code>column</code> is not in <tt>[0..2]</tt>
*/
Vector3f getColumn(int column, Vector3f dest) throws IndexOutOfBoundsException;
/**
* Get the matrix element value at the given column and row.
*
* @param column
* the colum index in <tt>[0..2]</tt>
* @param row
* the row index in <tt>[0..2]</tt>
* @return the element value
*/
float get(int column, int row);
/**
* Compute a normal matrix from <code>this</code> matrix and store it into <code>dest</code>.
*
* @param dest
* will hold the result
* @return dest
*/
Matrix3f normal(Matrix3f dest);
/**
* Get the scaling factors of <code>this</code> matrix for the three base axes.
*
* @param dest
* will hold the scaling factors for <tt>x</tt>, <tt>y</tt> and <tt>z</tt>
* @return dest
*/
Vector3f getScale(Vector3f dest);
/**
* Obtain the direction of <tt>+Z</tt> before the transformation represented by <code>this</code> matrix is applied.
* <p>
* This method is equivalent to the following code:
* <pre>
* Matrix3f inv = new Matrix3f(this).invert();
* inv.transform(dir.set(0, 0, 1)).normalize();
* </pre>
* If <code>this</code> is already an orthogonal matrix, then consider using {@link #normalizedPositiveZ(Vector3f)} instead.
* <p>
* Reference: <a href="http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/threeD/">http://www.euclideanspace.com</a>
*
* @param dir
* will hold the direction of <tt>+Z</tt>
* @return dir
*/
Vector3f positiveZ(Vector3f dir);
/**
* Obtain the direction of <tt>+Z</tt> before the transformation represented by <code>this</code> <i>orthogonal</i> matrix is applied.
* This method only produces correct results if <code>this</code> is an <i>orthogonal</i> matrix.
* <p>
* This method is equivalent to the following code:
* <pre>
* Matrix3f inv = new Matrix3f(this).transpose();
* inv.transform(dir.set(0, 0, 1));
* </pre>
* <p>
* Reference: <a href="http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/threeD/">http://www.euclideanspace.com</a>
*
* @param dir
* will hold the direction of <tt>+Z</tt>
* @return dir
*/
Vector3f normalizedPositiveZ(Vector3f dir);
/**
* Obtain the direction of <tt>+X</tt> before the transformation represented by <code>this</code> matrix is applied.
* <p>
* This method is equivalent to the following code:
* <pre>
* Matrix3f inv = new Matrix3f(this).invert();
* inv.transform(dir.set(1, 0, 0)).normalize();
* </pre>
* If <code>this</code> is already an orthogonal matrix, then consider using {@link #normalizedPositiveX(Vector3f)} instead.
* <p>
* Reference: <a href="http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/threeD/">http://www.euclideanspace.com</a>
*
* @param dir
* will hold the direction of <tt>+X</tt>
* @return dir
*/
Vector3f positiveX(Vector3f dir);
/**
* Obtain the direction of <tt>+X</tt> before the transformation represented by <code>this</code> <i>orthogonal</i> matrix is applied.
* This method only produces correct results if <code>this</code> is an <i>orthogonal</i> matrix.
* <p>
* This method is equivalent to the following code:
* <pre>
* Matrix3f inv = new Matrix3f(this).transpose();
* inv.transform(dir.set(1, 0, 0));
* </pre>
* <p>
* Reference: <a href="http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/threeD/">http://www.euclideanspace.com</a>
*
* @param dir
* will hold the direction of <tt>+X</tt>
* @return dir
*/
Vector3f normalizedPositiveX(Vector3f dir);
/**
* Obtain the direction of <tt>+Y</tt> before the transformation represented by <code>this</code> matrix is applied.
* <p>
* This method is equivalent to the following code:
* <pre>
* Matrix3f inv = new Matrix3f(this).invert();
* inv.transform(dir.set(0, 1, 0)).normalize();
* </pre>
* If <code>this</code> is already an orthogonal matrix, then consider using {@link #normalizedPositiveY(Vector3f)} instead.
* <p>
* Reference: <a href="http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/threeD/">http://www.euclideanspace.com</a>
*
* @param dir
* will hold the direction of <tt>+Y</tt>
* @return dir
*/
Vector3f positiveY(Vector3f dir);
/**
* Obtain the direction of <tt>+Y</tt> before the transformation represented by <code>this</code> <i>orthogonal</i> matrix is applied.
* This method only produces correct results if <code>this</code> is an <i>orthogonal</i> matrix.
* <p>
* This method is equivalent to the following code:
* <pre>
* Matrix3f inv = new Matrix3f(this).transpose();
* inv.transform(dir.set(0, 1, 0));
* </pre>
* <p>
* Reference: <a href="http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/threeD/">http://www.euclideanspace.com</a>
*
* @param dir
* will hold the direction of <tt>+Y</tt>
* @return dir
*/
Vector3f normalizedPositiveY(Vector3f dir);
/**
* Component-wise add <code>this</code> and <code>other</code> and store the result in <code>dest</code>.
*
* @param other
* the other addend
* @param dest
* will hold the result
* @return dest
*/
Matrix3f add(Matrix3fc other, Matrix3f dest);
/**
* Component-wise subtract <code>subtrahend</code> from <code>this</code> and store the result in <code>dest</code>.
*
* @param subtrahend
* the subtrahend
* @param dest
* will hold the result
* @return dest
*/
Matrix3f sub(Matrix3fc subtrahend, Matrix3f dest);
/**
* Component-wise multiply <code>this</code> by <code>other</code> and store the result in <code>dest</code>.
*
* @param other
* the other matrix
* @param dest
* will hold the result
* @return dest
*/
Matrix3f mulComponentWise(Matrix3fc other, Matrix3f dest);
/**
* Linearly interpolate <code>this</code> and <code>other</code> using the given interpolation factor <code>t</code>
* and store the result in <code>dest</code>.
* <p>
* If <code>t</code> is <tt>0.0</tt> then the result is <code>this</code>. If the interpolation factor is <code>1.0</code>
* then the result is <code>other</code>.
*
* @param other
* the other matrix
* @param t
* the interpolation factor between 0.0 and 1.0
* @param dest
* will hold the result
* @return dest
*/
Matrix3f lerp(Matrix3fc other, float t, Matrix3f dest);
/**
* Apply a model transformation to this matrix for a right-handed coordinate system,
* that aligns the local <code>+Z</code> axis with <code>direction</code>
* and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>L</code> the lookat matrix,
* then the new matrix will be <code>M * L</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * L * v</code>,
* the lookat transformation will be applied first!
* <p>
* This method is equivalent to calling: <tt>mul(new Matrix3f().lookAlong(new Vector3f(dir).negate(), up).invert(), dest)</tt>
*
* @see #rotateTowards(float, float, float, float, float, float, Matrix3f)
*
* @param direction
* the direction to rotate towards
* @param up
* the model's up vector
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateTowards(Vector3fc direction, Vector3fc up, Matrix3f dest);
/**
* Apply a model transformation to this matrix for a right-handed coordinate system,
* that aligns the local <code>+Z</code> axis with <code>dir</code>
* and store the result in <code>dest</code>.
* <p>
* If <code>M</code> is <code>this</code> matrix and <code>L</code> the lookat matrix,
* then the new matrix will be <code>M * L</code>. So when transforming a
* vector <code>v</code> with the new matrix by using <code>M * L * v</code>,
* the lookat transformation will be applied first!
* <p>
* This method is equivalent to calling: <tt>mul(new Matrix3f().lookAlong(-dirX, -dirY, -dirZ, upX, upY, upZ).invert(), dest)</tt>
*
* @see #rotateTowards(Vector3fc, Vector3fc, Matrix3f)
*
* @param dirX
* the x-coordinate of the direction to rotate towards
* @param dirY
* the y-coordinate of the direction to rotate towards
* @param dirZ
* the z-coordinate of the direction to rotate towards
* @param upX
* the x-coordinate of the up vector
* @param upY
* the y-coordinate of the up vector
* @param upZ
* the z-coordinate of the up vector
* @param dest
* will hold the result
* @return dest
*/
Matrix3f rotateTowards(float dirX, float dirY, float dirZ, float upX, float upY, float upZ, Matrix3f dest);
/**
* Extract the Euler angles from the rotation represented by <code>this</code> matrix and store the extracted Euler angles in <code>dest</code>.
* <p>
* This method assumes that <code>this</code> matrix only represents a rotation without scaling.
* <p>
* Note that the returned Euler angles must be applied in the order <tt>Z * Y * X</tt> to obtain the identical matrix.
* This means that calling {@link Matrix3fc#rotateZYX(float, float, float, Matrix3f)} using the obtained Euler angles will yield
* the same rotation as the original matrix from which the Euler angles were obtained, so in the below code the matrix
* <tt>m2</tt> should be identical to <tt>m</tt> (disregarding possible floating-point inaccuracies).
* <pre>
* Matrix3f m = ...; // <- matrix only representing rotation
* Matrix3f n = new Matrix3f();
* n.rotateZYX(m.getEulerAnglesZYX(new Vector3f()));
* </pre>
* <p>
* Reference: <a href="http://nghiaho.com/?page_id=846">http://nghiaho.com/</a>
*
* @param dest
* will hold the extracted Euler angles
* @return dest
*/
Vector3f getEulerAnglesZYX(Vector3f dest);
}