package j3dtest; import java.applet.*; import java.awt.*; import java.awt.event.*; import com.sun.j3d.utils.applet.MainFrame; import com.sun.j3d.utils.geometry.*; import com.sun.j3d.utils.universe.SimpleUniverse; import javax.media.j3d.*; import javax.vecmath.*; import com.sun.j3d.utils.behaviors.mouse.*; import com.sun.j3d.utils.geometry.Text2D; import javax.media.j3d.ColoringAttributes; import javax.media.j3d.PolygonAttributes; public class Plot extends Applet { private BranchGroup my_BG = new BranchGroup(); public Plot() { // TransformGroup for MouseBehavior TransformGroup mouse = new TransformGroup(); // set Capabilites for MouseTransform mouse.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); mouse.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); my_BG.addChild(mouse); //////////////////////////////////////////////////////////////// // // Axis // //////////////////////////////////////////////////////////////// // x-Axis LineArray x_axis = new LineArray(2, LineArray.COORDINATES); x_axis.setCoordinate(0, new Point3d(-0.8d, 0.0d, 0.0d)); x_axis.setCoordinate(1, new Point3d(0.8d, 0.0d, 0.0d)); mouse.addChild(new Shape3D(x_axis)); // y-axis LineArray y_axis = new LineArray(2, LineArray.COORDINATES); y_axis.setCoordinate(0, new Point3d(0.0d, -0.8d, 0.0d)); y_axis.setCoordinate(1, new Point3d(0.0d, 0.8d, 0.0d)); mouse.addChild(new Shape3D(y_axis)); // z-Axis LineArray z_axis = new LineArray(2, LineArray.COORDINATES); z_axis.setCoordinate(0, new Point3d(0.0d, 0.0d, -0.8d)); z_axis.setCoordinate(1, new Point3d(0.0d, 0.0d, 0.8d)); mouse.addChild(new Shape3D(z_axis)); // ******* Titles for the axis ************* // // x-axis Text2D xText = new Text2D("x-axis", new Color3f(1.0f, 1.0f, 1.0f), "Arial", 18, Font.PLAIN); Appearance xTextAppear = xText.getAppearance(); PolygonAttributes xpolyAttrib = new PolygonAttributes(); xpolyAttrib.setCullFace(PolygonAttributes.CULL_NONE); xpolyAttrib.setBackFaceNormalFlip(true); xTextAppear.setPolygonAttributes(xpolyAttrib); mouse.addChild(xText); // z-axis Text2D zText = new Text2D("z-axis", new Color3f(1.0f, 1.0f, 1.0f), "Arial", 18, Font.PLAIN); Appearance zTextAppear = zText.getAppearance(); PolygonAttributes zpolyAttrib = new PolygonAttributes(); zpolyAttrib.setCullFace(PolygonAttributes.CULL_NONE); zpolyAttrib.setBackFaceNormalFlip(true); zTextAppear.setPolygonAttributes(zpolyAttrib); // for rotating the z-axis title Transform3D rotate90 = new Transform3D(); rotate90.rotZ(Math.PI/2); TransformGroup objRotate = new TransformGroup(rotate90); objRotate.addChild(zText); mouse.addChild(objRotate); // y-axis Text2D yText = new Text2D("y-axis", new Color3f(1.0f, 1.0f, 1.0f), "Arial", 18, Font.PLAIN); Appearance yTextAppear = yText.getAppearance(); PolygonAttributes ypolyAttrib = new PolygonAttributes(); ypolyAttrib.setCullFace(PolygonAttributes.CULL_NONE); ypolyAttrib.setBackFaceNormalFlip(true); yTextAppear.setPolygonAttributes(ypolyAttrib); // for rotating the y-axis title Transform3D rotaY = new Transform3D(); rotaY.rotY(Math.PI/2); TransformGroup yobjRotate = new TransformGroup(rotaY); yobjRotate.addChild(yText); mouse.addChild(yobjRotate); // ******* Titles END *******// ///////////////////////////////////////////////////////// // Axis End ///////////////////////////////////////////////////////// ///////////////////////////////////////////////////// /// /// Triangles (TESTS!!!) /// //////////////////////////////////////////////////// // data for rendering: double a11 = 0.1d; double a12 = 0.2d; double a13 = 0.3d; double a21 = 0.4d; double a22 = 0.5d; double a23 = 0.6d; /* double[][] matrix = { {a11, a12, a13 }, {a21, a22, a23 } }; */ Point3d[] vertices = new Point3d[6]; vertices[0] = new Point3d(0.0, a11, 0.0); vertices[1] = new Point3d(0.0, a21, 0.1); vertices[2] = new Point3d(0.1, a12, 0.0); vertices[3] = new Point3d(0.1d, a22, 0.1d); vertices[4] = new Point3d(0.2d, a13, 0.0d); vertices[5] = new Point3d(0.2d, a23, 0.1d); int[] StripCount = {vertices.length}; // TriangleStripArray TriangleStripArray tsa = new TriangleStripArray(vertices.length, GeometryArray.COORDINATES, StripCount); tsa.setCoordinates(0, vertices); // Shape3D with TriangleStripInformationen Shape3D t = new Shape3D(); t.setAppearance(createTriangleAppearance()); t.setGeometry(tsa); mouse.addChild(t); /////////////////////////////////////////////////////////// // Triangles End /////////////////////////////////////////////////////////// /////////////////////////////////////// // define MouseBehaviour ////////////////////////////////////// // Mouse Translate MouseTranslate m_trans = new MouseTranslate(); m_trans.setTransformGroup(mouse); m_trans.setSchedulingBounds(new BoundingBox()); my_BG.addChild(m_trans); // Mouse Zoom /* INSTRUCTION: Press ALT+Mouse Up|Down to zoom in|out */ MouseZoom m_zoom = new MouseZoom(); m_zoom.setTransformGroup(mouse); m_zoom.setSchedulingBounds(new BoundingBox()); my_BG.addChild(m_zoom); // Mouse Rotate MouseRotate m_rot = new MouseRotate(); m_rot.setTransformGroup(mouse); m_rot.setSchedulingBounds(new BoundingBox()); my_BG.addChild(m_rot); //////////////////////////////////// // MouseBehaviour end /////////////////////////////////// } ////////////////////////////////////////// // creating appearance of the triangles: ////////////////////////////////////////// Appearance createTriangleAppearance() { Appearance app = new Appearance(); ColoringAttributes c_att = new ColoringAttributes(0.2f, 0.1f, 0.8f, ColoringAttributes.SHADE_GOURAUD); //c_att.setColor(new Color3f(0.0f, 1.0f, 0.0f)); app.setColoringAttributes(c_att); /////////////////////////////////////////////////////////////////////////////// // Material Material mat = new Material(new Color3f(0.0f, 0.0f, 0.0f), // ambientColor - the material's ambient color new Color3f(0.0f, 0.8f, 0.0f), // emissiveColor - the material's emissive color new Color3f(0.0f, 1.0f, 0.4f), // diffuseColor - the material's diffuse color when illuminated by a light new Color3f(1.0f, 1.0f, 0.0f), // specularColor - the material's specular color when illuminated to generate a highlight 128.0f) ; // shininess - the material's shininess in the range [1.0, 128.0] with 1.0 being not shiny and 128.0 being very shiny. Values outside this range are clamped. app.setMaterial(mat); // Material End //////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////// // Polygon attributes PolygonAttributes TrianglePolygonAttrib = new PolygonAttributes( PolygonAttributes.POLYGON_FILL, //polygonMode - polygon rasterization mode; one of POLYGON_POINT, POLYGON_LINE, or POLYGON_FILL PolygonAttributes.CULL_NONE, // Integer cullFace - polygon culling mode; one of CULL_NONE, CULL_BACK, or CULL_FRONT 100f, // polygonOffset - constant polygon offset false, // backFaceNormalFlip - back face normal flip flag; true or false 100f); // polygonOffset - polygon offset factor for slope-based polygon offset app.setPolygonAttributes(TrianglePolygonAttrib); //Polygon attributes end //////////////////////////////////////////////////////////////////////////////// return app; } ////////////////////////////////////////// // Triangle Appearance End ////////////////////////////////////////// public BranchGroup getBG() { return my_BG; } }