List of usage examples for javax.media.j3d Shape3D Shape3D
public Shape3D(Geometry geometry, Appearance appearance)
From source file:EnvironmentExplorer.java
void setupGrid() { // create a Switch for the spheres, allow switch changes gridSwitch = new Switch(Switch.CHILD_NONE); gridSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE); // Set up an appearance to make the square3s with red ambient, // black emmissive, red diffuse and black specular coloring Material material = new Material(red, black, red, black, 64); Appearance appearance = new Appearance(); appearance.setMaterial(material);/*w w w .j a v a 2 s. c om*/ // create a grid of quads int gridSize = 20; // grid is gridSize quads along each side int numQuads = gridSize * gridSize; int numVerts = numQuads * 4; // 4 verts per quad // there will be 3 floats per coord and 4 coords per quad float[] coords = new float[3 * numVerts]; // All the quads will use the same normal at each vertex, so // allocate an array to hold references to the same normal Vector3f[] normals = new Vector3f[numVerts]; Vector3f vertNormal = new Vector3f(0.0f, 0.0f, 1.0f); float edgeLength = 5.0f; // length of each edge of the grid float gridGap = 0.03f; // the gap between each quad // length of each quad is (total length - sum of the gaps) / gridSize float quadLength = (edgeLength - gridGap * (gridSize - 1)) / gridSize; // create a grid of quads in the z=0 plane // each has a TransformGroup to position the sphere which contains // a link to the shared group for the sphere float curX, curY; for (int y = 0; y < gridSize; y++) { curY = y * (quadLength + gridGap); // offset to lower left corner curY -= edgeLength / 2; // center on 0,0 for (int x = 0; x < gridSize; x++) { // this is the offset into the vertex array for the first // vertex of the quad int vertexOffset = (y * gridSize + x) * 4; // this is the offset into the coord array for the first // vertex of the quad, where there are 3 floats per vertex int coordOffset = vertexOffset * 3; curX = x * (quadLength + gridGap); // offset to ll corner curX -= edgeLength / 2; // center on 0,0 // lower left corner coords[coordOffset + 0] = curX; coords[coordOffset + 1] = curY; coords[coordOffset + 2] = 0.0f; // z // lower right corner coords[coordOffset + 3] = curX + quadLength; coords[coordOffset + 4] = curY; coords[coordOffset + 5] = 0.0f; // z // upper right corner coords[coordOffset + 6] = curX + quadLength; coords[coordOffset + 7] = curY + quadLength; coords[coordOffset + 8] = 0.0f; // z // upper left corner coords[coordOffset + 9] = curX; coords[coordOffset + 10] = curY + quadLength; coords[coordOffset + 11] = 0.0f; // z for (int i = 0; i < 4; i++) { normals[vertexOffset + i] = vertNormal; } } } // now that we have the data, create the QuadArray QuadArray quads = new QuadArray(numVerts, QuadArray.COORDINATES | QuadArray.NORMALS); quads.setCoordinates(0, coords); quads.setNormals(0, normals); // create the shape Shape3D shape = new Shape3D(quads, appearance); // add it to the switch gridSwitch.addChild(shape); }
From source file:AvatarTest.java
protected Group createGeometryGroup(Appearance app, Vector3d position, Vector3d scale, String szTextureFile, String szSoundFile) {//from ww w.j ava2 s . com // creates a segment of road 200 x 2 QuadArray quadArray = new QuadArray(4, GeometryArray.COORDINATES | GeometryArray.TEXTURE_COORDINATE_2); float[] coordArray = { -ROAD_WIDTH, ROAD_HEIGHT, 0, ROAD_WIDTH, ROAD_HEIGHT, 0, ROAD_WIDTH, ROAD_HEIGHT, ROAD_LENGTH, -ROAD_WIDTH, ROAD_HEIGHT, ROAD_LENGTH }; float[] texArray = { 0, 0, 1, 0, 1, 1, 0, 1 }; quadArray.setCoordinates(0, coordArray, 0, 4); if ((m_nFlags & TEXTURE) == TEXTURE) { quadArray.setTextureCoordinates(0, 0, texArray, 0, 4); setTexture(app, szTextureFile); } Shape3D sh = new Shape3D(quadArray, app); BranchGroup bg = new BranchGroup(); bg.addChild(sh); return bg; }
From source file:AppearanceExplorer.java
Shape3D createPointArray() {
Point3f pnt[] = new Point3f[3];
pnt[0] = new Point3f(-1.0f, -1.0f, 0.0f);
pnt[1] = new Point3f(1.0f, -1.0f, 0.0f);
pnt[2] = new Point3f(1.0f, 1.0f, 0.0f);
PointArray pa = new PointArray(3, GeometryArray.COORDINATES);
pa.setCoordinates(0, pnt);//from w ww . jav a 2 s .c o m
return new Shape3D(pa, appearance);
}
From source file:AppearanceExplorer.java
Shape3D createLineArray() {
Point3f pnt[] = new Point3f[4];
pnt[0] = new Point3f(-1.0f, -1.0f, 0.0f);
pnt[1] = new Point3f(1.0f, -1.0f, 0.0f);
pnt[2] = new Point3f(1.0f, 1.0f, 0.0f);
pnt[3] = new Point3f(-1.0f, 1.0f, 0.0f);
Color3f colrs[] = new Color3f[4];
colrs[0] = black;/*from www .j a v a 2s . co m*/
colrs[1] = white;
colrs[2] = red;
colrs[3] = green;
LineArray la = new LineArray(4, GeometryArray.COORDINATES | GeometryArray.COLOR_3);
la.setCoordinates(0, pnt);
la.setColors(0, colrs);
return new Shape3D(la, appearance);
}
From source file:AppearanceExplorer.java
Shape3D createTriangleArray() {
Point3f pnt[] = new Point3f[3];
pnt[0] = new Point3f(-1.0f, -1.0f, 0.0f);
pnt[1] = new Point3f(1.0f, -1.0f, 0.0f);
pnt[2] = new Point3f(1.0f, 1.0f, 0.0f);
Color3f colrs[] = new Color3f[3];
colrs[0] = red;/*w w w.j av a 2 s.c om*/
colrs[1] = green;
colrs[2] = blue;
Vector3f norms[] = new Vector3f[3];
Vector3f triNormal = new Vector3f(0.0f, 0.0f, 1.0f);
norms[0] = triNormal;
norms[1] = triNormal;
norms[2] = triNormal;
TriangleArray ta = new TriangleArray(3,
GeometryArray.COORDINATES | GeometryArray.COLOR_3 | GeometryArray.NORMALS);
ta.setCoordinates(0, pnt);
ta.setColors(0, colrs);
ta.setNormals(0, norms);
return new Shape3D(ta, appearance);
}
From source file:GearTest.java
void addCylinderSkins(float shaftRadius, float length, int normalDirection, Appearance look) { int insideShaftVertexCount; // #(vertices) for shaft int insideShaftStripCount[] = new int[1]; // #(vertices) in strip/strip double toothStartAngle, nextToothStartAngle, toothValleyStartAngle; // A ray from the gear center, used in normal calculations float xDirection, yDirection; // The z coordinates for the body disks final float frontZ = -0.5f * length; final float rearZ = 0.5f * length; // Temporary variables for storing coordinates, points, and vectors float xShaft3, yShaft3, xShaft4, yShaft4; Point3f coordinate = new Point3f(0.0f, 0.0f, 0.0f); Vector3f surfaceNormal = new Vector3f(); Shape3D newShape;/*from ww w .j av a2 s . c om*/ int index; int firstIndex; int secondIndex; /* * Construct gear's inside shaft cylinder First the tooth's up, flat * outer, and down distances Second the tooth's flat inner distance * * Outward facing vertex order: 0_______2____4 | /| /| | / | / | | / | / | * |/______|/___| 1 3 5 * * Inward facing vertex order: 1_______3____5 |\ |\ | | \ | \ | | \ | \ | * |______\|___\| 0 2 4 */ insideShaftVertexCount = 4 * toothCount + 2; insideShaftStripCount[0] = insideShaftVertexCount; TriangleStripArray insideShaft = new TriangleStripArray(insideShaftVertexCount, GeometryArray.COORDINATES | GeometryArray.NORMALS, insideShaftStripCount); xShaft3 = shaftRadius * (float) Math.cos(gearStartAngle); yShaft3 = shaftRadius * (float) Math.sin(gearStartAngle); if (normalDirection == OutwardNormals) { surfaceNormal.set(1.0f, 0.0f, 0.0f); firstIndex = 1; secondIndex = 0; } else { surfaceNormal.set(-1.0f, 0.0f, 0.0f); firstIndex = 0; secondIndex = 1; } // Coordinate labeled 0 in the strip coordinate.set(shaftRadius, 0.0f, frontZ); insideShaft.setCoordinate(firstIndex, coordinate); insideShaft.setNormal(firstIndex, surfaceNormal); // Coordinate labeled 1 in the strip coordinate.set(shaftRadius, 0.0f, rearZ); insideShaft.setCoordinate(secondIndex, coordinate); insideShaft.setNormal(secondIndex, surfaceNormal); for (int count = 0; count < toothCount; count++) { index = 2 + count * 4; toothStartAngle = circularPitchAngle * (double) count; toothValleyStartAngle = toothStartAngle + toothValleyAngleIncrement; nextToothStartAngle = toothStartAngle + circularPitchAngle; xDirection = (float) Math.cos(toothValleyStartAngle); yDirection = (float) Math.sin(toothValleyStartAngle); xShaft3 = shaftRadius * xDirection; yShaft3 = shaftRadius * yDirection; if (normalDirection == OutwardNormals) surfaceNormal.set(xDirection, yDirection, 0.0f); else surfaceNormal.set(-xDirection, -yDirection, 0.0f); // Coordinate labeled 2 in the strip coordinate.set(xShaft3, yShaft3, frontZ); insideShaft.setCoordinate(index + firstIndex, coordinate); insideShaft.setNormal(index + firstIndex, surfaceNormal); // Coordinate labeled 3 in the strip coordinate.set(xShaft3, yShaft3, rearZ); insideShaft.setCoordinate(index + secondIndex, coordinate); insideShaft.setNormal(index + secondIndex, surfaceNormal); xDirection = (float) Math.cos(nextToothStartAngle); yDirection = (float) Math.sin(nextToothStartAngle); xShaft4 = shaftRadius * xDirection; yShaft4 = shaftRadius * yDirection; if (normalDirection == OutwardNormals) surfaceNormal.set(xDirection, yDirection, 0.0f); else surfaceNormal.set(-xDirection, -yDirection, 0.0f); // Coordinate labeled 4 in the strip coordinate.set(xShaft4, yShaft4, frontZ); insideShaft.setCoordinate(index + 2 + firstIndex, coordinate); insideShaft.setNormal(index + 2 + firstIndex, surfaceNormal); // Coordinate labeled 5 in the strip coordinate.set(xShaft4, yShaft4, rearZ); insideShaft.setCoordinate(index + 2 + secondIndex, coordinate); insideShaft.setNormal(index + 2 + secondIndex, surfaceNormal); } newShape = new Shape3D(insideShaft, look); this.addChild(newShape); }
From source file:AppearanceExplorer.java
Shape3D createLineStripArray() {
int[] stripLengths = new int[2];
stripLengths[0] = 3;//from www. j ava2 s . c o m
stripLengths[1] = 2;
Point3f pnt[] = new Point3f[5];
// first line
pnt[0] = new Point3f(-1.0f, -1.0f, 0.0f);
pnt[1] = new Point3f(1.0f, -1.0f, 0.0f);
pnt[2] = new Point3f(1.0f, 1.0f, 0.0f);
// second line
pnt[3] = new Point3f(0.5f, 0.5f, 0.0f);
pnt[4] = new Point3f(-0.5f, -0.5f, 0.0f);
LineStripArray lsa = new LineStripArray(5, GeometryArray.COORDINATES, stripLengths);
lsa.setCoordinates(0, pnt);
return new Shape3D(lsa, appearance);
}
From source file:ViewProj.java
public BranchGroup createProjViewSG() { // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); objRoot.setCapability(BranchGroup.ALLOW_DETACH); // setup a transform group to hold the scaled scene TransformGroup objTrans = new TransformGroup(); Transform3D scale = new Transform3D(); scale.set(0.9);//from w w w . j av a 2 s . co m objTrans.setTransform(scale); objRoot.addChild(objTrans); // create the clip limits line Point3f[] cpPoints = new Point3f[5]; cpPoints[0] = new Point3f(-1, -1, 0.1f); cpPoints[1] = new Point3f(1, -1, 0.1f); cpPoints[2] = new Point3f(1, 1, 0.1f); cpPoints[3] = new Point3f(-1, 1, 0.1f); cpPoints[4] = cpPoints[0]; int[] cpLength = new int[1]; cpLength[0] = 5; LineStripArray cpLines = new LineStripArray(5, LineArray.COORDINATES, cpLength); cpLines.setCoordinates(0, cpPoints); Appearance cpApp = new Appearance(); ColoringAttributes cpCa = new ColoringAttributes(blue, ColoringAttributes.SHADE_FLAT); cpApp.setColoringAttributes(cpCa); LineAttributes cpLa = new LineAttributes(); Shape3D cpShape = new Shape3D(cpLines, cpApp); objTrans.addChild(cpShape); // transform and render the clip grid points updateProjTrans(); if (numClipGridPts > 0) { // transform the clipGridPts for (int i = 0; i < numClipGridPts; i++) { projectPoint(clipGridPtsVW[i], clipGridPtsProj[i]); } LineArray clipLn = new LineArray(numClipGridPts, LineArray.COORDINATES); clipLn.setCoordinates(0, clipGridPtsProj, 0, numClipGridPts); Appearance clipGridApp = new Appearance(); ColoringAttributes clipCa = new ColoringAttributes(black, ColoringAttributes.SHADE_FLAT); clipGridApp.setColoringAttributes(clipCa); LineAttributes clipLa = new LineAttributes(); Shape3D clipShape = new Shape3D(clipLn, clipGridApp); objTrans.addChild(clipShape); } // set up the circle Appearance circleApp = new Appearance(); ColoringAttributes circleCa = new ColoringAttributes(); circleCa.setColor(red); circleApp.setColoringAttributes(circleCa); PolygonAttributes pa = new PolygonAttributes(); pa.setCullFace(PolygonAttributes.CULL_NONE); circleApp.setPolygonAttributes(pa); // transform the circlePts for (int i = 0; i < numCirclePts; i++) { projectPoint(circlePtsVW[i], circlePtsProj[i]); } int[] lineStripLength = new int[1]; lineStripLength[0] = numCirclePts; //LineStripArray circleLineStrip = new LineStripArray(numCirclePts, // LineArray.COORDINATES, lineStripLength); TriangleFanArray circleLineStrip = new TriangleFanArray(numCirclePts, LineArray.COORDINATES, lineStripLength); circleLineStrip.setCoordinates(0, circlePtsProj); Shape3D circleShape = new Shape3D(circleLineStrip, circleApp); objTrans.addChild(circleShape); return objRoot; }
From source file:AppearanceExplorer.java
Shape3D createTriangleStripArray() {
int[] stripLengths = new int[1];
stripLengths[0] = 5;//from w w w. ja va2s . c o m
Point3f pnt[] = new Point3f[5];
pnt[0] = new Point3f(-1.0f, -1.0f, 0.0f);
pnt[1] = new Point3f(1.0f, -1.0f, 0.0f);
pnt[2] = new Point3f(-1.0f, 0.0f, 0.0f);
pnt[3] = new Point3f(1.0f, 0.0f, 0.0f);
pnt[4] = new Point3f(1.0f, 1.0f, 0.0f);
TriangleStripArray tsa = new TriangleStripArray(5, GeometryArray.COORDINATES, stripLengths);
tsa.setCoordinates(0, pnt);
return new Shape3D(tsa, appearance);
}
From source file:AppearanceExplorer.java
Shape3D createTriangleFanArray() {
int[] stripLengths = new int[1];
stripLengths[0] = 5;//from w w w .j av a2s .c o m
Point3f pnt[] = new Point3f[5];
pnt[0] = new Point3f(-1.0f, -1.0f, 0.0f);
pnt[1] = new Point3f(1.0f, -1.0f, 0.0f);
pnt[2] = new Point3f(1.0f, 0.0f, 0.0f);
pnt[3] = new Point3f(0.0f, 1.0f, 0.0f);
pnt[4] = new Point3f(-1.0f, 1.0f, 0.0f);
TriangleFanArray tfa = new TriangleFanArray(5, GeometryArray.COORDINATES, stripLengths);
tfa.setCoordinates(0, pnt);
return new Shape3D(tfa, appearance);
}