Examples with Point com.jme3.scene.plugins.blender.meshes.Point used on opensource projects

Example 41 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class TemporalMesh method clone.

@Override
public TemporalMesh clone() {
    try {
        TemporalMesh result = new TemporalMesh(meshStructure, blenderContext, false);
        result.name = name;
        for (Vector3f v : vertices) {
            result.vertices.add(v.clone());
        }
        for (Vector3f n : normals) {
            result.normals.add(n.clone());
        }
        for (Map<String, Float> group : vertexGroups) {
            result.vertexGroups.add(new HashMap<String, Float>(group));
        }
        for (byte[] vertColor : verticesColors) {
            result.verticesColors.add(vertColor.clone());
        }
        result.materials = materials;
        result.properties = properties;
        result.boneIndexes.putAll(boneIndexes);
        result.postMeshCreationModifiers.addAll(postMeshCreationModifiers);
        for (Face face : faces) {
            result.faces.add(face.clone());
        }
        for (Edge edge : edges) {
            result.edges.add(edge.clone());
        }
        for (Point point : points) {
            result.points.add(point.clone());
        }
        result.rebuildIndexesMappings();
        return result;
    } catch (BlenderFileException e) {
        LOGGER.log(Level.SEVERE, "Error while cloning the temporal mesh: {0}. Returning null.", e.getLocalizedMessage());
    }
    return null;
}

Example 42 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class MaskModifier method removeVertexAt.

/**
     * Every face, edge and point that contains
     * the vertex will be removed.
     * @param index
     *            the index of a vertex to be removed
     * @throws IndexOutOfBoundsException
     *             thrown when given index is negative or beyond the count of vertices
     */
private void removeVertexAt(final int index, TemporalMesh temporalMesh) {
    if (index < 0 || index >= temporalMesh.getVertexCount()) {
        throw new IndexOutOfBoundsException("The given index is out of bounds: " + index);
    }
    temporalMesh.getVertices().remove(index);
    temporalMesh.getNormals().remove(index);
    if (temporalMesh.getVertexGroups().size() > 0) {
        temporalMesh.getVertexGroups().remove(index);
    }
    if (temporalMesh.getVerticesColors().size() > 0) {
        temporalMesh.getVerticesColors().remove(index);
    }
    IndexPredicate shiftPredicate = new IndexPredicate() {

        @Override
        public boolean execute(Integer i) {
            return i > index;
        }
    };
    for (int i = temporalMesh.getFaces().size() - 1; i >= 0; --i) {
        Face face = temporalMesh.getFaces().get(i);
        if (face.getIndexes().indexOf(index) >= 0) {
            temporalMesh.getFaces().remove(i);
        } else {
            face.getIndexes().shiftIndexes(-1, shiftPredicate);
        }
    }
    for (int i = temporalMesh.getEdges().size() - 1; i >= 0; --i) {
        Edge edge = temporalMesh.getEdges().get(i);
        if (edge.getFirstIndex() == index || edge.getSecondIndex() == index) {
            temporalMesh.getEdges().remove(i);
        } else {
            edge.shiftIndexes(-1, shiftPredicate);
        }
    }
    for (int i = temporalMesh.getPoints().size() - 1; i >= 0; --i) {
        Point point = temporalMesh.getPoints().get(i);
        if (point.getIndex() == index) {
            temporalMesh.getPoints().remove(i);
        } else {
            point.shiftIndexes(-1, shiftPredicate);
        }
    }
}

Example 43 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class Face method contains.

/**
     * The method verifies if the edge is contained within the face.
     * It means it cannot cross any other edge and it must be inside the face and not outside of it.
     * @param edge
     *            the edge to be checked
     * @return <b>true</b> if the given edge is contained within the face and <b>false</b> otherwise
     */
private boolean contains(Edge edge) {
    int index1 = edge.getFirstIndex();
    int index2 = edge.getSecondIndex();
    // check if the line between the vertices is not a border edge of the face
    if (!indexes.areNeighbours(index1, index2)) {
        for (int i = 0; i < indexes.size(); ++i) {
            int i1 = this.getIndex(i - 1);
            int i2 = this.getIndex(i);
            // check if the edges have no common verts (because if they do, they cannot cross)
            if (i1 != index1 && i1 != index2 && i2 != index1 && i2 != index2) {
                if (edge.cross(new Edge(i1, i2, 0, false, temporalMesh))) {
                    return false;
                }
            }
        }
        // computing the edge's middle point
        Vector3f edgeMiddlePoint = edge.computeCentroid();
        // computing the edge that is perpendicular to the given edge and has a length of 1 (length actually does not matter)
        Vector3f edgeVector = edge.getSecondVertex().subtract(edge.getFirstVertex());
        Vector3f edgeNormal = temporalMesh.getNormals().get(index1).cross(edgeVector).normalizeLocal();
        Edge e = new Edge(edgeMiddlePoint, edgeNormal.add(edgeMiddlePoint));
        // compute the vectors from the middle point to the crossing between the extended edge 'e' and other edges of the face
        List<Vector3f> crossingVectors = new ArrayList<Vector3f>();
        for (int i = 0; i < indexes.size(); ++i) {
            int i1 = this.getIndex(i);
            int i2 = this.getIndex(i + 1);
            Vector3f crossPoint = e.getCrossPoint(new Edge(i1, i2, 0, false, temporalMesh), true, false);
            if (crossPoint != null) {
                crossingVectors.add(crossPoint.subtractLocal(edgeMiddlePoint));
            }
        }
        if (crossingVectors.size() == 0) {
            // edges do not cross
            return false;
        }
        // use only distinct vertices (doubles may appear if the crossing point is a vertex)
        List<Vector3f> distinctCrossingVectors = new ArrayList<Vector3f>();
        for (Vector3f cv : crossingVectors) {
            double minDistance = Double.MAX_VALUE;
            for (Vector3f dcv : distinctCrossingVectors) {
                minDistance = Math.min(minDistance, dcv.distance(cv));
            }
            if (minDistance > FastMath.FLT_EPSILON) {
                distinctCrossingVectors.add(cv);
            }
        }
        if (distinctCrossingVectors.size() == 0) {
            throw new IllegalStateException("There MUST be at least 2 crossing vertices!");
        }
        // checking if all crossing vectors point to the same direction (if yes then the edge is outside the face)
        // if at least one vector has different direction that this - it means that the edge is inside the face
        float direction = Math.signum(distinctCrossingVectors.get(0).dot(edgeNormal));
        for (int i = 1; i < distinctCrossingVectors.size(); ++i) {
            if (direction != Math.signum(distinctCrossingVectors.get(i).dot(edgeNormal))) {
                return true;
            }
        }
        return false;
    }
    return true;
}

Example 44 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class SubdivisionSurfaceModifier method computeFaceUVs.

/**
     * The method computes the UV coordinates of the face middle point.
     * @param face
     *            the face of the mesh
     * @return a map whose key is the name of the UV set and value is the UV coordinate of the face's middle point
     */
private Map<String, Vector2f> computeFaceUVs(Face face) {
    Map<String, Vector2f> result = null;
    Map<String, List<Vector2f>> uvSets = face.getUvSets();
    if (uvSets != null && uvSets.size() > 0) {
        result = new HashMap<String, Vector2f>(uvSets.size());
        for (Entry<String, List<Vector2f>> entry : uvSets.entrySet()) {
            Vector2f faceUV = new Vector2f();
            for (Vector2f uv : entry.getValue()) {
                faceUV.addLocal(uv);
            }
            faceUV.divideLocal(entry.getValue().size());
            result.put(entry.getKey(), faceUV);
        }
    }
    return result;
}

Example 45 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class BasicShadowRenderer method postQueue.

public void postQueue(RenderQueue rq) {
    for (Spatial scene : viewPort.getScenes()) {
        ShadowUtil.getGeometriesInCamFrustum(scene, viewPort.getCamera(), ShadowMode.Receive, lightReceivers);
    }
    // update frustum points based on current camera
    Camera viewCam = viewPort.getCamera();
    ShadowUtil.updateFrustumPoints(viewCam, viewCam.getFrustumNear(), viewCam.getFrustumFar(), 1.0f, points);
    Vector3f frustaCenter = new Vector3f();
    for (Vector3f point : points) {
        frustaCenter.addLocal(point);
    }
    frustaCenter.multLocal(1f / 8f);
    // update light direction
    shadowCam.setProjectionMatrix(null);
    shadowCam.setParallelProjection(true);
    //        shadowCam.setFrustumPerspective(45, 1, 1, 20);
    shadowCam.lookAtDirection(direction, Vector3f.UNIT_Y);
    shadowCam.update();
    shadowCam.setLocation(frustaCenter);
    shadowCam.update();
    shadowCam.updateViewProjection();
    // render shadow casters to shadow map
    ShadowUtil.updateShadowCamera(viewPort, lightReceivers, shadowCam, points, shadowOccluders, shadowMapSize);
    if (shadowOccluders.size() == 0) {
        noOccluders = true;
        return;
    } else {
        noOccluders = false;
    }
    Renderer r = renderManager.getRenderer();
    renderManager.setCamera(shadowCam, false);
    renderManager.setForcedMaterial(preshadowMat);
    r.setFrameBuffer(shadowFB);
    r.clearBuffers(true, true, true);
    viewPort.getQueue().renderShadowQueue(shadowOccluders, renderManager, shadowCam, true);
    r.setFrameBuffer(viewPort.getOutputFrameBuffer());
    renderManager.setForcedMaterial(null);
    renderManager.setCamera(viewCam, false);
}