Examples of org.mt4j.util.math.Matrix

org.mt4j.util.math.Matrix
Matrix defines and maintains a 4x4 matrix in row major order. This matrix is intended for use in a translation and rotational capacity. It provides convenience methods for creating the matrix from a multitude of sources. Matrices are stored assuming column vectors on the right, with the translation in the rightmost column. Element numbering is row,column, so m03 is the zeroth row, third column, which is the "x" translation part. This means that the implicit storage order is column major. However, the get() and set() functions on float arrays default to row major order! Copyright (c) JMonkeyEngine @author Mark Powell @author Joshua Slack @author C.Ruff

    
    this.p3d = ((PGraphics3D)pa.g);
    this.dirty = true;
    this.cameraMat       = new PMatrix3D();
    this.cameraInvMat     = new PMatrix3D();
    this.cameraMatrix     = new Matrix();
    this.cameraInvMatrix   = new Matrix();
  }

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//    */
  }
  
  
  private void setCachedCamMatrices(){
    Matrix m = this.cameraMatrix;
    Matrix mi = this.cameraInvMatrix;
    
    cameraMat.set(
        m.m00, m.m01, m.m02, m.m03,
        m.m10, m.m11, m.m12, m.m13,
        m.m20, m.m21, m.m22, m.m23,

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        currentcomp.getAttachedCamera().update();
        
        if (currentcomp.getParent() != null){
          //Applies all transforms up to this components parent
          //because the new camera wiped out all previous transforms
          Matrix m = currentcomp.getParent().getGlobalMatrix();
          PGraphics3D pgraphics3D = (PGraphics3D)graphics;
          pgraphics3D.modelview.apply(
              m.m00, m.m01, m.m02,  m.m03,
              m.m10, m.m11, m.m12,  m.m13,
              m.m20, m.m21, m.m22,  m.m23,

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   * 
   * the Width relative to the world space
   */
  public float getWidthXYGlobal() {
    Vector3D p = this.widthVect.getCopy();
    Matrix m = new Matrix(this.getGlobalMatrix());
    m.removeTranslationFromMatrix();
    p.transform(m);
    return p.length();
  }

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 * 
 * the height relative to its parent space frame
 */
  public float getHeightXYRelativeToParent() {
    Vector3D p = this.heightVect.getCopy();
    Matrix m = new Matrix(this.getLocalMatrix());
    m.removeTranslationFromMatrix();
    p.transform(m);
    return p.length();
  }

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   * 
   * the height relative to the world space
   */
  public float getHeightXYGlobal() {
    Vector3D p = this.heightVect.getCopy();
    Matrix m = new Matrix(this.getGlobalMatrix());
    m.removeTranslationFromMatrix();
    p.transform(m);
    return p.length();
  }

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        //Scale vertices of the window
        AbstractShape target = (AbstractShape)ge.getTargetComponent();
        Vertex[] verts = target.getGeometryInfo().getVertices();
        Vector3D newScalingPoint = target.globalToLocal(se.getScalingPoint());
        Matrix m = Matrix.getScalingMatrix(newScalingPoint, se.getScaleFactorX(), se.getScaleFactorY(), se.getScaleFactorZ());
        Vertex.transFormArray(m, verts);
        target.setVertices(verts);


        //Scale vertices of the clip shape
        AbstractShape clip = (AbstractShape)target.getChildClip().getClipShape();

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   * 
   * @return the height xy relative to parent
   */
  private float getHeightXYRelativeToParent() {
    Vector3D p = this.getHeightXYVectLocal();
    Matrix m = new Matrix(this.peerComponent.getLocalMatrix());
    m.removeTranslationFromMatrix();
    p.transform(m);
    return p.length();
    
//    Vector3D[] v = this.getVectorsRelativeToParent();
//    float[] minMax = ToolsGeometry.getMinXYMaxXY(v);

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   * 
   * @return the height xy global
   */
  private float getHeightXYGlobal() {
    Vector3D p = this.getHeightXYVectLocal();
    Matrix m = new Matrix(this.peerComponent.getGlobalMatrix());
    m.removeTranslationFromMatrix();
    p.transform(m);
    return p.length();
    
//    Vector3D[] v = this.getVectorsGlobal();
//    float[] minMax = ToolsGeometry.getMinXYMaxXY(v);

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   * @return the width xy realtive to parent
   */
  private float getWidthXYRealtiveToParent() {
    //This calculates the width aligned/relative to the object 
    Vector3D p = this.getWidthXYVectLocal();
    Matrix m = new Matrix(this.peerComponent.getLocalMatrix());
    m.removeTranslationFromMatrix();
    p.transform(m);
    return p.length();
    
    //This calculates the dimension relative to the screen axis (here X-axis)
//    Vector3D[] v = this.getVectorsRelativeToParent();

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