Examples with Geometry com.jme3.scene.Geometry used on opensource projects

Example 96 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class TestMousePick method makeCube.

/** A cube object for target practice */
protected Geometry makeCube(String name, float x, float y, float z) {
    Box box = new Box(1, 1, 1);
    Geometry cube = new Geometry(name, box);
    cube.setLocalTranslation(x, y, z);
    Material mat1 = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    mat1.setColor("Color", ColorRGBA.randomColor());
    cube.setMaterial(mat1);
    return cube;
}

Example 97 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class TestMousePick method makeFloor.

/** A floor to show that the "shot" can go through several objects. */
protected Geometry makeFloor() {
    Box box = new Box(15, .2f, 15);
    Geometry floor = new Geometry("the Floor", box);
    floor.setLocalTranslation(0, -4, -5);
    Material mat1 = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    mat1.setColor("Color", ColorRGBA.Gray);
    floor.setMaterial(mat1);
    return floor;
}

Example 98 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class TestRayCasting method simpleInitApp.

@Override
public void simpleInitApp() {
    //        flyCam.setEnabled(false);
    // load material
    Material mat = (Material) assetManager.loadMaterial("Interface/Logo/Logo.j3m");
    Mesh q = new Mesh();
    q.setBuffer(Type.Position, 3, new float[] { 1, 0, 0, 0, 1.5f, 0, -1, 0, 0 });
    q.setBuffer(Type.Index, 3, new int[] { 0, 1, 2 });
    q.setBound(new BoundingSphere());
    q.updateBound();
    //        Geometry teapot = new Geometry("MyGeom", q);
    teapot = assetManager.loadModel("Models/Teapot/Teapot.mesh.xml");
    //        teapot.scale(2f, 2f, 2f);
    //        teapot.move(2f, 2f, -.5f);
    teapot.rotate(FastMath.HALF_PI, FastMath.HALF_PI, FastMath.HALF_PI);
    teapot.setMaterial(mat);
    rootNode.attachChild(teapot);
    //        cam.setLocation(cam.getLocation().add(0,1,0));
    //        cam.lookAt(teapot.getWorldBound().getCenter(), Vector3f.UNIT_Y);
    tracer = new RayTrace(rootNode, cam, 160, 128);
    tracer.show();
    tracer.update();
}

Example 99 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class FbxMesh method createGeometries.

private List<Geometry> createGeometries() throws IOException {
    Mesh mesh = new Mesh();
    mesh.setMode(Mode.Triangles);
    // Moreover quads should be triangulated (this increases number of vertices)
    if (indices != null) {
        iCount = indices.length;
        srcVertexCount = vertices.length / 3;
        // Indices contains negative numbers to define polygon last index
        // Check indices strides to be sure we have triangles or quads
        vCount = 0;
        // Count number of vertices to be produced
        int polyVertCount = 0;
        for (int i = 0; i < iCount; ++i) {
            int index = indices[i];
            polyVertCount++;
            if (index < 0) {
                if (polyVertCount == 3) {
                    // A triangle
                    vCount += 3;
                } else if (polyVertCount == 4) {
                    // A quad produce two triangles
                    vCount += 6;
                } else {
                    throw new AssetLoadException("Unsupported PolygonVertexIndex stride");
                }
                polyVertCount = 0;
            }
        }
        // Unroll index array into vertex mapping
        vertexMap = new ArrayList<>(vCount);
        indexMap = new ArrayList<>(vCount);
        polyVertCount = 0;
        for (int i = 0; i < iCount; ++i) {
            int index = indices[i];
            polyVertCount++;
            if (index < 0) {
                int lastIndex = -(index + 1);
                if (polyVertCount == 3) {
                    vertexMap.add(indices[i - 2]);
                    vertexMap.add(indices[i - 1]);
                    vertexMap.add(lastIndex);
                    indexMap.add(i - 2);
                    indexMap.add(i - 1);
                    indexMap.add(i - 0);
                } else if (polyVertCount == 4) {
                    vertexMap.add(indices[i - 3]);
                    vertexMap.add(indices[i - 2]);
                    vertexMap.add(indices[i - 1]);
                    vertexMap.add(indices[i - 3]);
                    vertexMap.add(indices[i - 1]);
                    vertexMap.add(lastIndex);
                    indexMap.add(i - 3);
                    indexMap.add(i - 2);
                    indexMap.add(i - 1);
                    indexMap.add(i - 3);
                    indexMap.add(i - 1);
                    indexMap.add(i - 0);
                }
                polyVertCount = 0;
            }
        }
        // Build reverse vertex mapping
        reverseVertexMap = new ArrayList<>(srcVertexCount);
        for (int i = 0; i < srcVertexCount; ++i) reverseVertexMap.add(new ArrayList<Integer>());
        for (int i = 0; i < vCount; ++i) {
            int index = vertexMap.get(i);
            reverseVertexMap.get(index).add(i);
        }
    } else {
        // Stub for no vertex indexing (direct mapping)
        iCount = vCount = srcVertexCount;
        vertexMap = new ArrayList<>(vCount);
        indexMap = new ArrayList<>(vCount);
        reverseVertexMap = new ArrayList<>(vCount);
        for (int i = 0; i < vCount; ++i) {
            vertexMap.set(i, i);
            indexMap.set(i, i);
            List<Integer> l = new ArrayList<Integer>(1);
            l.add(i);
            reverseVertexMap.add(l);
        }
    }
    if (vertices != null) {
        // Unroll vertices data array
        FloatBuffer posBuf = BufferUtils.createFloatBuffer(vCount * 3);
        mesh.setBuffer(VertexBuffer.Type.Position, 3, posBuf);
        int srcCount = vertices.length / 3;
        for (int i = 0; i < vCount; ++i) {
            int index = vertexMap.get(i);
            if (index > srcCount)
                throw new AssetLoadException("Invalid vertex mapping. Unexpected lookup vertex " + index + " from " + srcCount);
            // XXX Why we should scale by unit size?
            float x = (float) vertices[3 * index + 0] / scene.unitSize * scene.xAxis;
            float y = (float) vertices[3 * index + 1] / scene.unitSize * scene.yAxis;
            float z = (float) vertices[3 * index + 2] / scene.unitSize * scene.zAxis;
            posBuf.put(x).put(y).put(z);
        }
    }
    if (normals != null) {
        // Unroll normals data array
        FloatBuffer normBuf = BufferUtils.createFloatBuffer(vCount * 3);
        mesh.setBuffer(VertexBuffer.Type.Normal, 3, normBuf);
        List<Integer> mapping = null;
        if (normalsMapping.equals("ByVertice"))
            mapping = vertexMap;
        else if (normalsMapping.equals("ByPolygonVertex"))
            mapping = indexMap;
        else
            throw new IOException("Unknown normals mapping type: " + normalsMapping);
        int srcCount = normals.length / 3;
        for (int i = 0; i < vCount; ++i) {
            int index = mapping.get(i);
            if (index > srcCount)
                throw new AssetLoadException("Invalid normal mapping. Unexpected lookup normal " + index + " from " + srcCount);
            float x = (float) normals[3 * index + 0] * scene.xAxis;
            float y = (float) normals[3 * index + 1] * scene.yAxis;
            float z = (float) normals[3 * index + 2] * scene.zAxis;
            normBuf.put(x).put(y).put(z);
        }
    }
    if (tangents != null) {
        // Unroll normals data array
        FloatBuffer tanBuf = BufferUtils.createFloatBuffer(vCount * 4);
        mesh.setBuffer(VertexBuffer.Type.Tangent, 4, tanBuf);
        List<Integer> mapping = null;
        if (tangentsMapping.equals("ByVertice"))
            mapping = vertexMap;
        else if (tangentsMapping.equals("ByPolygonVertex"))
            mapping = indexMap;
        else
            throw new IOException("Unknown tangents mapping type: " + tangentsMapping);
        int srcCount = tangents.length / 3;
        for (int i = 0; i < vCount; ++i) {
            int index = mapping.get(i);
            if (index > srcCount)
                throw new AssetLoadException("Invalid tangent mapping. Unexpected lookup tangent " + index + " from " + srcCount);
            float x = (float) tangents[3 * index + 0] * scene.xAxis;
            float y = (float) tangents[3 * index + 1] * scene.yAxis;
            float z = (float) tangents[3 * index + 2] * scene.zAxis;
            tanBuf.put(x).put(y).put(z).put(-1.0f);
        }
    }
    if (binormals != null) {
        // Unroll normals data array
        FloatBuffer binormBuf = BufferUtils.createFloatBuffer(vCount * 3);
        mesh.setBuffer(VertexBuffer.Type.Binormal, 3, binormBuf);
        List<Integer> mapping = null;
        if (binormalsMapping.equals("ByVertice"))
            mapping = vertexMap;
        else if (binormalsMapping.equals("ByPolygonVertex"))
            mapping = indexMap;
        else
            throw new IOException("Unknown binormals mapping type: " + binormalsMapping);
        int srcCount = binormals.length / 3;
        for (int i = 0; i < vCount; ++i) {
            int index = mapping.get(i);
            if (index > srcCount)
                throw new AssetLoadException("Invalid binormal mapping. Unexpected lookup binormal " + index + " from " + srcCount);
            float x = (float) binormals[3 * index + 0] * scene.xAxis;
            float y = (float) binormals[3 * index + 1] * scene.yAxis;
            float z = (float) binormals[3 * index + 2] * scene.zAxis;
            binormBuf.put(x).put(y).put(z);
        }
    }
    for (int uvLayer = 0; uvLayer < uvs.size(); ++uvLayer) {
        double[] uv = uvs.get(uvLayer);
        int[] uvIndex = uvIndexes.size() > uvLayer ? uvIndexes.get(uvLayer) : null;
        List<Integer> unIndexMap = vertexMap;
        if (uvIndex != null) {
            int uvIndexSrcCount = uvIndex.length;
            if (uvIndexSrcCount != iCount)
                throw new AssetLoadException("Invalid number of texcoord index data " + uvIndexSrcCount + " expected " + iCount);
            // Unroll UV index array
            unIndexMap = new ArrayList<>(vCount);
            int polyVertCount = 0;
            for (int i = 0; i < iCount; ++i) {
                int index = indices[i];
                polyVertCount++;
                if (index < 0) {
                    if (polyVertCount == 3) {
                        unIndexMap.add(uvIndex[i - 2]);
                        unIndexMap.add(uvIndex[i - 1]);
                        unIndexMap.add(uvIndex[i - 0]);
                    } else if (polyVertCount == 4) {
                        unIndexMap.add(uvIndex[i - 3]);
                        unIndexMap.add(uvIndex[i - 2]);
                        unIndexMap.add(uvIndex[i - 1]);
                        unIndexMap.add(uvIndex[i - 3]);
                        unIndexMap.add(uvIndex[i - 1]);
                        unIndexMap.add(uvIndex[i - 0]);
                    }
                    polyVertCount = 0;
                }
            }
        }
        // Unroll UV data array
        FloatBuffer tcBuf = BufferUtils.createFloatBuffer(vCount * 2);
        VertexBuffer.Type type = VertexBuffer.Type.TexCoord;
        switch(uvLayer) {
            case 1:
                type = VertexBuffer.Type.TexCoord2;
                break;
            case 2:
                type = VertexBuffer.Type.TexCoord3;
                break;
            case 3:
                type = VertexBuffer.Type.TexCoord4;
                break;
            case 4:
                type = VertexBuffer.Type.TexCoord5;
                break;
            case 5:
                type = VertexBuffer.Type.TexCoord6;
                break;
            case 6:
                type = VertexBuffer.Type.TexCoord7;
                break;
            case 7:
                type = VertexBuffer.Type.TexCoord8;
                break;
        }
        mesh.setBuffer(type, 2, tcBuf);
        int srcCount = uv.length / 2;
        for (int i = 0; i < vCount; ++i) {
            int index = unIndexMap.get(i);
            if (index > srcCount)
                throw new AssetLoadException("Invalid texcoord mapping. Unexpected lookup texcoord " + index + " from " + srcCount);
            float u = (index >= 0) ? (float) uv[2 * index + 0] : 0;
            float v = (index >= 0) ? (float) uv[2 * index + 1] : 0;
            tcBuf.put(u).put(v);
        }
    }
    List<Geometry> geometries = new ArrayList<Geometry>();
    if (materialsReference.equals("IndexToDirect") && materialsMapping.equals("ByPolygon")) {
        IntMap<List<Integer>> indexBuffers = new IntMap<>();
        for (int polygon = 0; polygon < materials.length; ++polygon) {
            int material = materials[polygon];
            List<Integer> list = indexBuffers.get(material);
            if (list == null) {
                list = new ArrayList<>();
                indexBuffers.put(material, list);
            }
            list.add(polygon * 3 + 0);
            list.add(polygon * 3 + 1);
            list.add(polygon * 3 + 2);
        }
        Iterator<Entry<List<Integer>>> iterator = indexBuffers.iterator();
        while (iterator.hasNext()) {
            Entry<List<Integer>> e = iterator.next();
            int materialId = e.getKey();
            List<Integer> indexes = e.getValue();
            Mesh newMesh = mesh.clone();
            newMesh.setBuffer(VertexBuffer.Type.Index, 3, toArray(indexes.toArray(new Integer[indexes.size()])));
            newMesh.setStatic();
            newMesh.updateBound();
            newMesh.updateCounts();
            Geometry geom = new Geometry();
            geom.setMesh(newMesh);
            geometries.add(geom);
            geom.setUserData("FBXMaterial", materialId);
        }
    } else {
        mesh.setStatic();
        mesh.updateBound();
        mesh.updateCounts();
        Geometry geom = new Geometry();
        geom.setMesh(mesh);
        geometries.add(geom);
    }
    return geometries;
}

Example 100 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class FbxNode method link.

@Override
public void link(FbxObject otherObject) {
    if (otherObject instanceof FbxMaterial) {
        FbxMaterial m = (FbxMaterial) otherObject;
        Material mat = m.material;
        if (cullMode != FaceCullMode.Back)
            mat.getAdditionalRenderState().setFaceCullMode(cullMode);
        for (Geometry g : mesh.geometries) {
            if (g.getUserData("FBXMaterial") != null) {
                if ((Integer) g.getUserData("FBXMaterial") == mesh.lastMaterialId)
                    g.setMaterial(mat);
            } else {
                g.setMaterial(mat);
            }
        }
        mesh.lastMaterialId++;
    } else if (otherObject instanceof FbxNode) {
        FbxNode n = (FbxNode) otherObject;
        node.attachChild(n.node);
        n.parentFbxNode = this;
        if (isLimb() && n.isLimb()) {
            if (bone == null)
                bone = new Bone(name);
            if (n.bone == null)
                n.bone = new Bone(n.name);
            bone.addChild(n.bone);
        }
    } else if (otherObject instanceof FbxMesh) {
        FbxMesh m = (FbxMesh) otherObject;
        m.setParent(node);
        m.parent = this;
        mesh = m;
    }
}