/* * $Id$ * This file is a part of the Arakhne Foundation Classes, http://www.arakhne.org/afc * * Copyright (c) 2000-2012 Stephane GALLAND. * Copyright (c) 2005-10, Multiagent Team, Laboratoire Systemes et Transports, * Universite de Technologie de Belfort-Montbeliard. * Copyright (c) 2013-2016 The original authors, and other authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.arakhne.afc.math.geometry.d3; import org.eclipse.xtext.xbase.lib.Pure; import org.arakhne.afc.math.matrix.Matrix4d; /** A 3D transformation. * Is represented internally as a 4x4 floating point matrix. The * mathematical representation is row major, as in traditional * matrix mathematics. * * <p>The transformation matrix is: * <pre><code> * | r11 | r12 | r13 | Tx | * | r21 | r22 | r23 | Ty | * | r31 | r32 | r33 | Tz | * | 0 | 0 | 0 | 1 | * </code></pre> * * @author $Author: tpiotrow$ * @author $Author: sgalland$ * @version $FullVersion$ * @mavengroupid $GroupId$ * @mavenartifactid $ArtifactId$ * @since 13.0 */ public class Transform3D extends Matrix4d { /** This is the identifity transformation. */ public static final Transform3D IDENTITY = new Transform3D(); private static final long serialVersionUID = -8427812783666663224L; /** * Constructs a new Transform3D object and sets it to the identity transformation. */ public Transform3D() { setIdentity(); } /** * Constructs and initializes a Matrix4f from the specified nine values. * * @param m00 * the [0][0] element * @param m01 * the [0][1] element * @param m02 * the [0][2] element * @param m03 * the [0][3] element * @param m10 * the [1][0] element * @param m11 * the [1][1] element * @param m12 * the [1][2] element * @param m13 * the [1][3] element * @param m20 * the [2][0] element * @param m21 * the [2][1] element * @param m22 * the [2][2] element * @param m23 * the [2][3] element */ @SuppressWarnings("checkstyle:parameternumber") public Transform3D(double m00, double m01, double m02, double m03, double m10, double m11, double m12, double m13, double m20, double m21, double m22, double m23) { super(m00, m01, m02, m03, m10, m11, m12, m13, m20, m21, m22, m23, 0f, 0f, 0f, 1f); } /** * Constructs a new Transform2D object and initializes it from the * specified transform. * * @param transform the transformation to copy. */ public Transform3D(Transform3D transform) { super(transform); } /** Constructor by copy. * * @param matrix the matrix to copy. */ public Transform3D(Matrix4d matrix) { super(matrix); } @Pure @Override public Transform3D clone() { return (Transform3D) super.clone(); } /** Set the position. * * <p>This function changes only the elements of * the matrix related to the translation. * The scaling and the shearing are not changed. * * <p>After a call to this function, the matrix will * contains (? means any value): * <pre> * [ ? ? x ] * [ ? ? y ] * [ ? ? z ] * [ ? ? ? ] * </pre> * * @param x x translation. * @param y y translation. * @param z z translation. * @see #makeTranslationMatrix(double, double, double) */ public void setTranslation(double x, double y, double z) { this.m03 = x; this.m13 = y; this.m23 = z; } /** Set the position. * * <p>This function changes only the elements of * the matrix related to the translation. * The scaling and the shearing are not changed. * * <p>After a call to this function, the matrix will * contains (? means any value): * <pre> * [ ? ? t.x ] * [ ? ? t.y ] * [ ? ? t.z ] * [ ? ? ? ] * </pre> * * @param translation the translation * @see #makeTranslationMatrix(double, double, double) */ public void setTranslation(Tuple3D<?> translation) { this.m03 = translation.getX(); this.m13 = translation.getY(); this.m23 = translation.getZ(); } /** Translate the position. * * <p>This function is equivalent to: * <pre> * this = this * [ 0 0 0 dx ] * [ 0 0 0 dy ] * [ 0 0 0 dz ] * [ 0 0 0 1 ] * </pre> * * @param dx the x translation * @param dy the y translation * @param dz the z translation */ public void translate(double dx, double dy, double dz) { this.m03 += dx; this.m13 += dy; this.m23 += dz; } /** Translate the position. * * <p>This function is equivalent to: * <pre> * this = this * [ 0 0 0 t.x ] * [ 0 0 0 t.y ] * [ 0 0 0 t.z ] * [ 0 0 0 1 ] * </pre> * * @param translation the translation */ public void translate(Vector3D<?, ?> translation) { this.m03 += translation.getX(); this.m13 += translation.getY(); this.m23 += translation.getZ(); } /** Replies the X translation. * * @return the amount */ @Pure public double getTranslationX() { return this.m03; } /** Replies the Y translation. * * @return the amount */ @Pure public double getTranslationY() { return this.m13; } /** Replies the Z translation. * * @return the amount */ @Pure public double getTranslationZ() { return this.m23; } /** * Set the rotation for the object but do not change the translation. * * <p>This function changes only the elements of * the matrix related to the rotation. * The translation is not changed. * * <p>After a call to this function, the matrix will * contains (? means any value, and r is the translation * of the quaternion as a 3x3 matrix): * <pre> * [ r r r ? ] * [ r r r ? ] * [ r r r ? ] * [ ? ? ? ? ] * </pre> * * @param rotation the rotation * @see #makeRotationMatrix(Quaternion) */ public void setRotation(Quaternion rotation) { this.m00 = 1.0f - 2.0f * rotation.getY() * rotation.getY() - 2.0f * rotation.getZ() * rotation.getZ(); this.m10 = 2.0f * (rotation.getX() * rotation.getY() + rotation.getW() * rotation.getZ()); this.m20 = 2.0f * (rotation.getX() * rotation.getZ() - rotation.getW() * rotation.getY()); this.m01 = 2.0f * (rotation.getX() * rotation.getY() - rotation.getW() * rotation.getZ()); this.m11 = 1.0f - 2.0f * rotation.getX() * rotation.getX() - 2.0f * rotation.getZ() * rotation.getZ(); this.m21 = 2.0f * (rotation.getY() * rotation.getZ() + rotation.getW() * rotation.getX()); this.m02 = 2.0f * (rotation.getX() * rotation.getZ() + rotation.getW() * rotation.getY()); this.m12 = 2.0f * (rotation.getY() * rotation.getZ() - rotation.getW() * rotation.getX()); this.m22 = 1.0f - 2.0f * rotation.getX() * rotation.getX() - 2.0f * rotation.getY() * rotation.getY(); } /** Set this transform's rotation. * @param angle the rotation angle. */ public void setRotation(double angle) { // TODO } /** * Rotate the object. * * <p>This function is equivalent to (where r is the translation * of the quaternion as a 3x3 matrix): * <pre> * this = this * [ r r r 0 ] * [ r r r 0 ] * [ r r r 0 ] * [ 0 0 0 1 ] * </pre> * * @param rotation the rotationi */ public void rotate(Quaternion rotation) { final Transform3D m = new Transform3D(); m.makeRotationMatrix(rotation); mul(m); } /** * Sets the value of this matrix to a rotation matrix, and no translation. * * <p>This function changes all the elements of * the matrix, including the translation. * * <p>After a call to this function, the matrix will * contains (? means any value, and r a value from * the quaternion): * <pre> * [ r r r 0 ] * [ r r r 0 ] * [ r r r 0 ] * [ 0 0 0 1 ] * </pre> * * @param rotation the rotation * @see #setRotation(Quaternion) */ public final void makeRotationMatrix(Quaternion rotation) { this.m00 = 1.0f - 2.0f * rotation.getY() * rotation.getY() - 2.0f * rotation.getZ() * rotation.getZ(); this.m10 = 2.0f * (rotation.getX() * rotation.getY() + rotation.getW() * rotation.getZ()); this.m20 = 2.0f * (rotation.getX() * rotation.getZ() - rotation.getW() * rotation.getY()); this.m01 = 2.0f * (rotation.getX() * rotation.getY() - rotation.getW() * rotation.getZ()); this.m11 = 1.0f - 2.0f * rotation.getX() * rotation.getX() - 2.0f * rotation.getZ() * rotation.getZ(); this.m21 = 2.0f * (rotation.getY() * rotation.getZ() + rotation.getW() * rotation.getX()); this.m02 = 2.0f * (rotation.getX() * rotation.getZ() + rotation.getW() * rotation.getY()); this.m12 = 2.0f * (rotation.getY() * rotation.getZ() - rotation.getW() * rotation.getX()); this.m22 = 1.0f - 2.0f * rotation.getX() * rotation.getX() - 2.0f * rotation.getY() * rotation.getY(); this.m03 = 0.0; this.m13 = 0.0; this.m23 = 0.0; this.m30 = 0.0; this.m31 = 0.0; this.m32 = 0.0; this.m33 = 1.0; } /** Sets the value of this matrix to a rotation matrix, and no translation. * @param angle the angle of the rotation */ public void makeRotationMatrix(double angle) { // TODO } /** * Sets the value of this matrix to the given translation, without rotation. * * <p>This function changes all the elements of * the matrix including the scaling and the shearing. * * <p>After a call to this function, the matrix will * contains (? means any value): * <pre> * [ 1 0 0 dx ] * [ 0 1 0 dy ] * [ 0 0 1 dz ] * [ 0 0 0 1 ] * </pre> * * @param dx is the position to put in the matrix. * @param dy is the position to put in the matrix. * @param dz is the position to put in the matrix. * @see #setTranslation(double, double, double) * @see #setTranslation(Tuple3D) */ public final void makeTranslationMatrix(double dx, double dy, double dz) { this.m00 = 1f; this.m01 = 0f; this.m02 = 0f; this.m03 = dx; this.m10 = 0f; this.m11 = 1f; this.m12 = 0f; this.m13 = dy; this.m20 = 0f; this.m21 = 0f; this.m22 = 1f; this.m23 = dz; this.m30 = 0f; this.m31 = 0f; this.m32 = 0f; this.m33 = 1f; } /** * Multiply this matrix by the tuple t and place the result back into the * tuple (t = this*t). * * @param t * the tuple to be multiplied by this matrix and then replaced */ public void transform(Tuple3D<?> t) { final double x = this.m00 * t.getX() + this.m01 * t.getY() + this.m02 * t.getZ() + this.m03; final double y = this.m10 * t.getX() + this.m11 * t.getY() + this.m12 * t.getZ() + this.m13; final double z = this.m20 * t.getX() + this.m21 * t.getY() + this.m22 * t.getZ() + this.m23; t.set(x, y, z); } /** * Multiply this matrix by the tuple t and and place the result into the * tuple "result" (result = this*t). * * @param t * the tuple to be multiplied by this matrix * @param result * the tuple into which the product is placed */ public void transform(Tuple3D<?> t, Tuple3D<?> result) { result.set( this.m00 * t.getX() + this.m01 * t.getY() + this.m02 * t.getZ() + this.m03, this.m10 * t.getX() + this.m11 * t.getY() + this.m12 * t.getZ() + this.m13, this.m20 * t.getX() + this.m21 * t.getY() + this.m22 * t.getZ() + this.m23); } /** * Set the components of the transformation. * * @param m00 * the [0][0] element * @param m01 * the [0][1] element * @param m02 * the [0][2] element * @param m03 * the [0][3] element * @param m10 * the [1][0] element * @param m11 * the [1][1] element * @param m12 * the [1][2] element * @param m13 * the [1][3] element * @param m20 * the [2][0] element * @param m21 * the [2][1] element * @param m22 * the [2][2] element * @param m23 * the [2][3] element */ @SuppressWarnings("checkstyle:parameternumber") public void set(double m00, double m01, double m02, double m03, double m10, double m11, double m12, double m13, double m20, double m21, double m22, double m23) { set(m00, m01, m02, m03, m10, m11, m12, m13, m20, m21, m22, m23, 0f, 0f, 0f, 1f); } }