private void addParameter(String name, String value) { if (value != null) value = value.trim(); if (name.equals("stroke")) { if (value != null && value.length() > 0) { Color c = Color.getColor(value); if (c == null) { if (value.charAt(0) == '#') value = value.substring(1); int ci = Integer.parseInt(value, 16); c = new Color(ci); } if (c != null) { Material material = app.getMaterial(); if (material == null) material = new Material(); material.setDiffuseColor(c.getRGBComponents(null)); material.setLightingEnabled(false); // material.setColorMaterialEnabled(true); // material.setSeparateBackfaceEnabled(true); app.setMaterial(material); } } } else if (name.equals("stroke-width")) { float width = Float.parseFloat(value); LineAttributes l_att = app.getLineAttributes(); if (l_att == null) l_att = new LineAttributes(); l_att.setLineWidth(width); app.setLineAttributes(l_att); } }
/** Setup the basic scene which consists of a quad and a viewpoint */ private void setupSceneGraph() { // View group Viewpoint vp = new Viewpoint(); Vector3f trans = new Vector3f(0, 0, 1); Matrix4f mat = new Matrix4f(); mat.setIdentity(); mat.setTranslation(trans); TransformGroup tx = new TransformGroup(); tx.addChild(vp); tx.setTransform(mat); Group scene_root = new Group(); scene_root.addChild(tx); // Flat panel that has the viewable object as the demo float[] coord = {0, 0, -1, 0.25f, 0, -1, 0, 0.25f, -1}; float[] normal = {0, 0, 1, 0, 0, 1, 0, 0, 1}; TriangleArray geom = new TriangleArray(); geom.setValidVertexCount(3); geom.setVertices(TriangleArray.COORDINATE_3, coord); geom.setNormals(normal); Material material = new Material(); material.setDiffuseColor(new float[] {0, 0, 1}); material.setEmissiveColor(new float[] {0, 0, 1}); material.setSpecularColor(new float[] {1, 1, 1}); material.setTransparency(0.5f); Appearance app = new Appearance(); app.setMaterial(material); Shape3D shape = new Shape3D(); shape.setGeometry(geom); shape.setAppearance(app); TransformGroup tg = new TransformGroup(); Matrix4f transform = new Matrix4f(); transform.setIdentity(); transform.setTranslation(new Vector3f(0.15f, 0, -1)); tg.setTransform(transform); Shape3D backShape = new Shape3D(); Material material2 = new Material(); material2.setDiffuseColor(new float[] {1, 0, 0}); material2.setEmissiveColor(new float[] {1, 0, 0}); material2.setSpecularColor(new float[] {1, 1, 1}); Appearance app2 = new Appearance(); app2.setMaterial(material2); backShape.setGeometry(geom); backShape.setAppearance(app2); tg.addChild(backShape); scene_root.addChild(tg); scene_root.addChild(shape); SimpleScene scene = new SimpleScene(); scene.setRenderedGeometry(scene_root); scene.setActiveView(vp); // Then the basic layer and viewport at the top: SimpleViewport view = new SimpleViewport(); view.setDimensions(0, 0, 500, 500); view.setScene(scene); SimpleLayer layer = new SimpleLayer(); layer.setViewport(view); Layer[] layers = {layer}; displayManager.setLayers(layers, 1); }