public PolygonPipeline(PolygonRasterizer renderer, boolean sortAll) {
super();
this.sortOpaque = sortAll;
this.queueOpaque = sortAll;
this.renderer = renderer;
zNormal[0] = 0;
zNormal[1] = 0;
zNormal[2] = 1;
for (int i = 0; i < 8; i++) {
int pos = 3 * i;
pointVertices[pos] = zNormal[pos + 3] = Math.cos(2. * i * Math.PI / 8.);
pointVertices[pos + 1] = zNormal[pos + 4] = Math.sin(2. * i * Math.PI / 8.);
zNormal[pos + 5] = 0.01;
}
}
/** * A render pass will consit of the following: 1. calls to processPolygon for each polygon to * render. This will transform the polygon by using the state of matrix. and give it the current * shader. * * <p>2. optionally sort the polygon list.<br> * 3. shade all Polygons using the shader given by the polygon<br> * 4. clip all polygons using clipPolygons()<br> * 5. call perspective for all polygons<br> * 6. render the polygons. * * <p>In fact all the calls in 3. to 6. can be done in one pass. However we have to delay the * shading to after the traversal, to allow the environment to gather all the lights in the scene, * if we want to have lights to act globally. THIS IS NOT IMPLEMENTED YET. * * @version 1.0 * @author <a href="mailto:[email protected]">Tim Hoffmann</a> */ public class PolygonPipeline implements PolygonProcessor, PointProcessor, LineProcessor { private int vertexColorLength; private DataList vertexColor; private boolean vertexColors; private final boolean queueOpaque; private final boolean sortOpaque; private final boolean triangulate = false; private final boolean useTexCoords = true; private double[] matrix; // private boolean itmComputed = false; private double[] inverseTransposeMatrix = new double[16]; int polygonCount = 0; Polygon polygons[] = new Polygon[0]; private int vertexCount = 0; double[] vertexData = new double[100 * Polygon.VERTEX_LENGTH]; PolygonComparator comp = new PolygonComparator(); private Perspective perspective = new DefaultPerspective(); private Environment environment; private PolygonShader faceShader; // = new DefaultPolygonShader(); private LineShader lineShader; // = new ConstantPolygonShader(.2,.1,.1); // private PolygonShader pointOutlineShader; // = new ConstantPolygonShader(.0,.0,.0); private PointShader pointShader; // = new ConstantPolygonShader(0.8,0.2,0.2); private PolygonShader shader; private double[] pointVertices = new double[48]; private static int[] pointIndices = {0, 3, 6, 9, 12, 15, 18, 21}; private static int[][] pointOutlineIndices = { {0, 24, 27, 3}, {3, 27, 30, 6}, {6, 30, 33, 9}, {9, 33, 36, 12}, {12, 36, 39, 15}, {15, 39, 42, 18}, {18, 42, 45, 21}, {21, 45, 24, 0} }; private static double[][] pointColors = new double[16][4]; private DataList pointColorDataList = StorageModel.DOUBLE_ARRAY_ARRAY.createWritableDataList(pointColors); private static int[] pointNormals = {0, 0, 0, 0, 0, 0, 0, 0}; private static int[][] pointOutlineNormals = { {0, 3, 6, 0}, {0, 6, 9, 0}, {0, 9, 12, 0}, {0, 12, 15, 0}, {0, 15, 18, 0}, {0, 18, 21, 0}, {0, 21, 24, 0}, {0, 24, 3, 0} }; // private static double[] zNormal = new double[] { 0, 0, 1 }; private static double[] zNormal = new double[3 * 9]; private static int[] lineIndices = {0, 3, 6, 9}; private double pointRadius = 0.025; private double outlineFraction = 1 / 3.; private double lineWidth = .01; private final PolygonRasterizer renderer; // static { // } public PolygonPipeline(PolygonRasterizer renderer) { this(renderer, false); } public PolygonPipeline(PolygonRasterizer renderer, boolean sortAll) { super(); this.sortOpaque = sortAll; this.queueOpaque = sortAll; this.renderer = renderer; zNormal[0] = 0; zNormal[1] = 0; zNormal[2] = 1; for (int i = 0; i < 8; i++) { int pos = 3 * i; pointVertices[pos] = zNormal[pos + 3] = Math.cos(2. * i * Math.PI / 8.); pointVertices[pos + 1] = zNormal[pos + 4] = Math.sin(2. * i * Math.PI / 8.); zNormal[pos + 5] = 0.01; } } public final void clearPipeline() { polygonCount = 0; vertexCount = 0; faceShader = null; lineShader = null; pointShader = null; // pointOutlineShader = null; } private static final int POLYGON_INCR = 100; private final void increasePolygonCapacity() { Polygon np[] = new Polygon[polygons.length + POLYGON_INCR]; System.arraycopy(polygons, 0, np, 0, polygons.length); for (int i = polygons.length; i < np.length; i++) { np[i] = new Polygon(); } polygons = np; } // private final void increaseTransparentPolygonCapacity() { // Polygon np[] = new Polygon[transparentPolygons.length+POLYGON_INCR]; // System.arraycopy(transparentPolygons,0,np,0,transparentPolygons.length); // for (int i = transparentPolygons.length; i < np.length; i++) { // np[i] = // new Polygon(); // } // transparentPolygons = np; // } private static final int VERTEX_INCR = 1200; private final void increaseVertexCapacity(int amount) { int a = (amount > VERTEX_INCR ? amount : VERTEX_INCR); double nv[] = new double[vertexData.length + Polygon.VERTEX_LENGTH * a]; System.arraycopy(vertexData, 0, nv, 0, vertexData.length); vertexData = nv; // System.out.println("vertex capacity "+vertexData.length); } /* (non-Javadoc) * @see de.jreality.soft.PolygonProcessor#processPolygon(double[], int[], double[], int[]) */ public final void processPolygon( final double[] vd, final int[] vertices, final double[] nd, final int[] normals) { if (faceShader == null) return; shader = faceShader; // process(vd,vertices,nd,normals); computeArray(vd, vertices, nd, normals); // we do outlining polygons in the renderer at the moment... // if (false) { // for (int i = 0; i < vertices.length - 1;) // processLine(vd, vertices[i++], vertices[i]); // processLine(vd, vertices[vertices.length - 1], vertices[0]); // } } final void startGeometry(Geometry geom) { if (lineShader != null) lineShader.startGeometry(geom); if (faceShader != null) faceShader.startGeometry(geom); if (pointShader != null) pointShader.startGeometry(geom); if (geom instanceof PointSet) { vertexColor = ((PointSet) geom).getVertexAttributes(Attribute.COLORS); vertexColors = vertexColor != null; if (vertexColors) vertexColorLength = vertexColor.getStorageModel().getDimensions()[1]; // System.out.println("PolygonPipeline.startGeometry("+geom.getName() // +"): colors: "+vertexColors); } else { vertexColor = null; vertexColors = false; } } public final void processPolygon( final DoubleArrayArray vd, final IntArray vertices, final DoubleArrayArray nd, final IntArray normals, final DataList texCoords) { if (faceShader == null) return; shader = faceShader; computeArray(vd, vertices, nd, normals, texCoords); } private final void computeArray( final double[] vd, final int[] vertices, final double[] nd, final int[] normals) { if (2 * vertices.length + 6 >= (vertexData.length - vertexCount) / Polygon.VERTEX_LENGTH) increaseVertexCapacity(vertices.length / 3); int vc = vertexCount; for (int i = 0; i < vertices.length; i++) { int vi = vertices[i]; VecMat.transform(matrix, vd[vi++], vd[vi++], vd[vi], vertexData, vc + Polygon.SX); vertexData[vc + Polygon.SW] = 1; int ni = normals[i]; VecMat.transformNormal( inverseTransposeMatrix, nd[ni++], nd[ni++], nd[ni], vertexData, vc + Polygon.NX); vc += Polygon.VERTEX_LENGTH; if (vertexColors) { DoubleArray color = vertexColor.item(vi / 3).toDoubleArray(); vertexData[vc + Polygon.R] = color.getValueAt(0); vertexData[vc + Polygon.G] = color.getValueAt(1); vertexData[vc + Polygon.B] = color.getValueAt(2); vertexData[vc + Polygon.A] = (vertexColorLength == 4 || (vertexColorLength == -1 && color.getLength() > 3)) ? color.getValueAt(3) : 1.; } } compute(vertices.length); } private final void computeArrayNoTransform( final double[] vd, final int[] vertices, final double[] nd, final int[] normals) { if (2 * vertices.length + 6 >= (vertexData.length - vertexCount) / Polygon.VERTEX_LENGTH) increaseVertexCapacity(vertices.length / 3); int vc = vertexCount; for (int i = 0; i < vertices.length; i++) { int vi = vertices[i]; vertexData[vc + Polygon.SX] = vd[vi++]; vertexData[vc + Polygon.SY] = vd[vi++]; vertexData[vc + Polygon.SZ] = vd[vi]; vertexData[vc + Polygon.SW] = 1; int ni = normals[i]; vertexData[vc + Polygon.NX] = nd[ni++]; vertexData[vc + Polygon.NY] = nd[ni++]; vertexData[vc + Polygon.NZ] = nd[ni]; // VecMat.normalize(vertexData, vc + Polygon.NX); vc += Polygon.VERTEX_LENGTH; } compute(vertices.length); } private final void computeArray( final DoubleArrayArray vd, final IntArray vertices, final DoubleArrayArray nd, final IntArray normals, DataList texCoords) { if (2 * vertices.getLength() + 6 >= (vertexData.length - vertexCount) / Polygon.VERTEX_LENGTH) increaseVertexCapacity(vertices.getLength() / 3); int vc = vertexCount; if (vd.getLengthAt(0) == 3) for (int i = 0; i < vertices.getLength(); i++) { int vi = vertices.getValueAt(i); DoubleArray vertex = vd.item(vi).toDoubleArray(); VecMat.transform( matrix, vertex.getValueAt(0), vertex.getValueAt(1), vertex.getValueAt(2), vertexData, vc + Polygon.SX); vertexData[vc + Polygon.SW] = 1; int ni = normals.getValueAt(i); DoubleArray normal = nd.item(ni).toDoubleArray(); VecMat.transformNormal( inverseTransposeMatrix, normal.getValueAt(0), normal.getValueAt(1), normal.getValueAt(2), vertexData, vc + Polygon.NX); if (vertexColors) { DoubleArray color = vertexColor.item(vi).toDoubleArray(); vertexData[vc + Polygon.R] = color.getValueAt(0); vertexData[vc + Polygon.G] = color.getValueAt(1); vertexData[vc + Polygon.B] = color.getValueAt(2); vertexData[vc + Polygon.A] = (vertexColorLength == 4 || (vertexColorLength == -1 && color.getLength() > 3)) ? color.getValueAt(3) : 1.; } if (useTexCoords && texCoords != null) { DoubleArray tc = texCoords.item(vi).toDoubleArray(); vertexData[vc + Polygon.U] = tc.getValueAt(0); vertexData[vc + Polygon.V] = tc.getValueAt(1); } vc += Polygon.VERTEX_LENGTH; } else // vertices are 4 tupel for (int i = 0; i < vertices.getLength(); i++) { int vi = vertices.getValueAt(i); DoubleArray vertex = vd.item(vi).toDoubleArray(); VecMat.transform( matrix, vertex.getValueAt(0), vertex.getValueAt(1), vertex.getValueAt(2), vertex.getValueAt(3), vertexData, vc + Polygon.SX); if (vertexData[vc + Polygon.SW] != 0) { final double d = vertexData[vc + Polygon.SW]; vertexData[vc + Polygon.SX] /= d; vertexData[vc + Polygon.SY] /= d; vertexData[vc + Polygon.SZ] /= d; vertexData[vc + Polygon.SW] = 1; } int ni = normals.getValueAt(i); DoubleArray normal = nd.item(ni).toDoubleArray(); VecMat.transformNormal( inverseTransposeMatrix, normal.getValueAt(0), normal.getValueAt(1), normal.getValueAt(2), // normal.getValueAt(3), vertexData, vc + Polygon.NX); if (vertexColors) { DoubleArray color = vertexColor.item(vi).toDoubleArray(); vertexData[vc + Polygon.R] = color.getValueAt(0); vertexData[vc + Polygon.G] = color.getValueAt(1); vertexData[vc + Polygon.B] = color.getValueAt(2); vertexData[vc + Polygon.A] = (vertexColorLength == 4 || (vertexColorLength == -1 && color.getLength() > 3)) ? color.getValueAt(3) : 1.; } if (useTexCoords && texCoords != null) { DoubleArray tc = texCoords.item(vi).toDoubleArray(); vertexData[vc + Polygon.U] = tc.getValueAt(0); vertexData[vc + Polygon.V] = tc.getValueAt(1); } vc += Polygon.VERTEX_LENGTH; } compute(vertices.getLength()); } private final void compute(int verticesLength) { // boolean isTransparent = shader.getVertexShader().getTransparency() != 0.; if (polygonCount + 1 >= this.polygons.length) increasePolygonCapacity(); Polygon p = polygons[polygonCount++]; p.length = verticesLength; // We store the current shader for later shading p.setShader(shader); for (int i = 0; i < verticesLength; i++) { p.vertices[i] = vertexCount; vertexCount += Polygon.VERTEX_LENGTH; } // sky box shaders need the matrix... environment.setMatrix(matrix); // **** shader.shadePolygon(p, vertexData, environment); int numClip = environment.getNumClippingPlanes(); if (numClip > 0) { ClippingPlaneSoft[] cp = environment.getClippingPlanes(); // Intersector.dehomogenize(p,vertexData); for (int k = 0; k < numClip; k++) { double d = VecMat.dot(cp[k].getNormal(), cp[k].getPoint()); // System.out.println("d "+d); int res = Intersector.clipToHalfspace(p, cp[k].getNormal(), -1, d, this); if (res == -1) { // clipped out p.setShader(null); vertexCount -= p.length * Polygon.VERTEX_LENGTH; polygonCount--; return; } } } for (int i = 0; i < p.length; i++) { perspective.perspective(vertexData, p.vertices[i]); } boolean clippedAway = clipPolygon(); if (!clippedAway) { // if (p.length == 0) // System.out.println("ZEROLENGTH!"); // TODO: check wether we sort before computing this. // boolean isTransparent = (shader.getVertexShader().getTransparency() != // 0.)||shader.hasTexture()||shader.interpolateAlpha(); // shader might have changed after lighting: boolean isTransparent = p.getShader().needsSorting(); //// isTransparent = false; if (triangulate) { PolygonShader ps = p.getShader(); if (polygonCount + 1 >= this.polygons.length) increasePolygonCapacity(); polygonCount--; for (int i = 0, pl = p.length - 2; i < pl; i++) { Polygon pi = polygons[polygonCount++]; pi.length = 3; pi.vertices[0] = p.vertices[0]; pi.vertices[1] = p.vertices[i + 1]; pi.vertices[2] = p.vertices[i + 2]; pi.setShader(ps); if (queueOpaque || isTransparent) { if (sortOpaque || isTransparent) pi.computeCenterZ(vertexData); // pi.computeMaxZ(vertexData); // return; } else { renderer.renderPolygon(pi, vertexData, ps.isOutline()); pi.setShader(null); // TODO:check wether this is save // vertexCount -= p.length * Polygon.VERTEX_LENGTH; polygonCount--; } } return; } else { if (queueOpaque || isTransparent) { if (sortOpaque || isTransparent) p.computeCenterZ(vertexData); // p.computeMaxZ(vertexData); return; } else { renderer.renderPolygon(p, vertexData, p.getShader().isOutline()); } } } // if the polygon was clipped completely or if the polygon was opaque and therefore // rendered already, we can free its resources: p.setShader(null); vertexCount -= p.length * Polygon.VERTEX_LENGTH; polygonCount--; } public int getFreeVertex() { // if(vertexCount*Polygon.VERTEX_LENGTH>=vertexData.length) increaseVertexCapacity(1); if (vertexCount >= vertexData.length) increaseVertexCapacity(1); int vc = vertexCount; vertexCount += Polygon.VERTEX_LENGTH; return vc; } public void freePolygon(int idx) { // polygons[idx].setShader(null); if (!(idx == polygonCount - 1)) { Polygon p = polygons[idx]; polygons[idx] = polygons[polygonCount - 1]; polygons[polygonCount - 1] = p; } polygonCount--; } public int getFreePolygon() { if (polygonCount >= polygons.length - 1) increasePolygonCapacity(); int pc = polygonCount; polygonCount++; return pc; } /** @param p */ private final boolean clipPolygon() { int polPos = polygonCount - 1; Polygon p1 = polygons[polPos]; ClippingBox box = perspective.getFrustum(); int x0out = 0; int x1out = 0; int y0out = 0; int y1out = 0; int z0out = 0; int z1out = 0; int n = p1.length; // TODO check maximal polygon vertex num here:...if applicable... // after clipping at the clipping plane vertices need not be in order anymore! // for (int v = p1.vertices[0], i = n; // i > 0; // i--, v += Polygon.VERTEX_LENGTH) { for (int v = p1.vertices[0], i = 0; i < n; i++) { v = p1.vertices[i]; double vsw = vertexData[v + Polygon.SW]; if (vertexData[v + Polygon.SX] < box.x0 * vsw) x0out++; if (vertexData[v + Polygon.SX] > box.x1 * vsw) x1out++; if (vertexData[v + Polygon.SY] < box.y0 * vsw) y0out++; if (vertexData[v + Polygon.SY] > box.y1 * vsw) y1out++; if (vertexData[v + Polygon.SZ] < box.z0 * vsw) z0out++; if (vertexData[v + Polygon.SZ] > box.z1 * vsw) z1out++; } if (x0out + x1out + y0out + y1out + z0out + z1out == 0) { // shader.shadePolygon(p1, vertexData, environment); return false; /*POLY_CLIP_IN*/ } if (x0out == n || x1out == n || y0out == n || y1out == n || z0out == n || z1out == n) { // p1->n = 0; // System.out.println("OUT "+(n*Polygon.VERTEX_LENGTH)); return true; /*POLY_CLIP_OUT*/ } // shader.shadePolygon(p1, vertexData, environment); // now clip: // if (x0out) CLIP_AND_SWAP(sx, -1., box->x0, p, q, r); if (x0out != 0) clipToHalfspace(polPos, polygons, Polygon.SX, -1, -box.x0); if (x1out != 0) clipToHalfspace(polPos, polygons, Polygon.SX, 1, box.x1); if (y0out != 0) clipToHalfspace(polPos, polygons, Polygon.SY, -1, -box.y0); if (y1out != 0) clipToHalfspace(polPos, polygons, Polygon.SY, 1, box.y1); if (z0out != 0) clipToHalfspace(polPos, polygons, Polygon.SZ, -1, -box.z0); if (z1out != 0) clipToHalfspace(polPos, polygons, Polygon.SZ, 1, box.z1); if (p1.length == 0) return true; else return false; } /** * This helper method assumes that the polygon following the one at polPos is free. * * @param polPos the position of the polygon in thepolygons array * @param index The index to compare --- e.g. Polyggn.SX * @param sign +/-1 which side of the halfspace. * @param k the location of the halfspace --- e.g. ClippingBox.x0 */ private void clipToHalfspace(int polPos, Polygon polygons[], int index, int sign, double k) { Polygon p = polygons[polPos]; if (p.length == 0) return; // int vc = vertexCount; int u = p.vertices[p.length - 1]; int v = p.vertices[0]; double tu = sign * vertexData[u + index] - k * vertexData[u + Polygon.SW]; // sign * vertexData[u + index] / vertexData[u+Polygon.SW] -k; double tv = 0; // HERE!!!!! Polygon newP = polygons[polPos + 1]; newP.length = 0; for (int i = 0; i < p.length; i++, u = v, tu = tv, v = p.vertices[i]) { tv = sign * vertexData[v + index] - k * vertexData[v + Polygon.SW]; // sign * vertexData[v + index] / vertexData[v+Polygon.SW] - k; if (tu <= 0. ^ tv <= 0.) { // edge crosses plane... double t = tu / (tu - tv); for (int j = 0; j < Polygon.VERTEX_LENGTH; j++) { vertexData[vertexCount + j] = vertexData[u + j] + t * (vertexData[v + j] - vertexData[u + j]); } newP.vertices[newP.length++] = vertexCount; vertexCount += Polygon.VERTEX_LENGTH; } if (tv <= 0.) { // vertex v is in ... // for(int j = 0;j<Polygon.VERTEX_LENGTH;j++) { // vertexData[vc+j] = vertexData[v+j]; // } newP.vertices[newP.length++] = v; // vc+= Polygon.VERTEX_LENGTH; } } // It is left to swap: int vp[] = p.vertices; p.vertices = newP.vertices; p.length = newP.length; newP.vertices = vp; } /** * Sets the current matrix for the @link processPolygon method. * * @param matrix The matrix to set */ public final void setMatrix(final double[] matrix) { this.matrix = matrix; Rn.transpose(inverseTransposeMatrix, matrix); Rn.inverse(inverseTransposeMatrix, inverseTransposeMatrix); } public final void sortPolygons() { // eSystem.out.println("scheduled polys "+polygonCount); // it might be better to sort the non transparent polygons too // since the setPixel call is one of the most speed relevant. If the // polygons are drawn front to back (the reverse oder compared to the // painter's algorithm) the setPixel calls return immediately: Arrays.sort(polygons, 0, polygonCount, comp); // Arrays.sort(transparentPolygons,0,transparentPolygonCount,comp); } /** @return Perspective */ public final Perspective getPerspective() { return perspective; } /** * Sets the perspective. * * @param perspective The perspective to set */ public final void setPerspective(final Perspective perspective) { this.perspective = perspective; } /** @return Environment */ public final Environment getEnvironment() { return environment; } /** * Sets the environment. * * @param environment The environment to set */ public final void setEnvironment(Environment environment) { this.environment = environment; } /** @param renderer */ public final void renderRemaining( final PolygonRasterizer renderer /*,final int xmin, final int xmax, final int ymin, final int ymax*/) { // renderer.setWindow(xmin,xmax,ymin,ymax); // for (int i = polygonCount; i > 0;) { // renderer.renderPolygon(polygons[--i],vertexData,polygons[i].getShader().isOutline()); // polygons[i].setShader(null); // } // for (int i = 0; i < transparentPolygonCount; i++) { // // renderer.renderPolygon(transparentPolygons[i],vertexData,transparentPolygons[i].getShader().isOutline()); // transparentPolygons[i].setShader(null); // } // System.out.println("polys "+ polygonCount); // we render the polygons front to back in order to have less to do in setPixel. transparent // polys are // sorted in reverse order and at the beginning, so we know, that they are rendered last and in // back to front order. // for (int i = polygonCount; i > 0;) { // renderer.renderPolygon(polygons[--i],vertexData,polygons[i].getShader().isOutline()); // polygons[i].setShader(null); // } for (int i = 0; i < (polygonCount); i++) { Polygon p = polygons[i]; renderer.renderPolygon(p, vertexData, p.getShader().isOutline()); p.setShader(null); // System.out.println("centerZ "+p.getCenterZ() ); } } private double[] point0 = new double[4]; private double[] normal0 = new double[3]; private double[] point1 = new double[4]; private double[] normal1 = new double[3]; private double[] substMatrix = new double[16]; /* (non-Javadoc) * @see de.jreality.soft.PointProcessor#processPoint(double[], int) */ public final void processPoint(final double[] data, int index, int length) { if (pointShader == null) return; if (length == 4) processPoint(data[index], data[index + 1], data[index + 2], data[index + 3]); else processPoint(data[index], data[index + 1], data[index + 2], 1); } public final void processPoint(final DoubleArrayArray data, int index) { DoubleArray da = data.item(index).toDoubleArray(); double w = 1; if (da.size() == 4) w = da.getValueAt(3); if (vertexColors) { DoubleArray color = vertexColor.item(index).toDoubleArray(); for (int i = 0; i < 16; i++) { pointColors[i][0] = color.getValueAt(0); pointColors[i][1] = color.getValueAt(1); pointColors[i][2] = color.getValueAt(2); pointColors[i][3] = (vertexColorLength == 4 || (vertexColorLength == -1 && color.getLength() > 3)) ? color.getValueAt(3) : 1.; } vertexColor = pointColorDataList; } processPoint(da.getValueAt(0), da.getValueAt(1), da.getValueAt(2), w); } public final void processPoint(final double x, final double y, final double z, final double w) { if (pointShader == null) return; VecMat.transform(matrix, x, y, z, w, point0, 0); VecMat.transformUnNormalized(matrix, 0, 0, pointRadius, normal0, 0); double[] mat = matrix; double[] tmat = inverseTransposeMatrix; matrix = substMatrix; double d = 1 - outlineFraction; // inner point : double l = VecMat.norm(normal0); VecMat.assignScale(matrix, l * d); matrix[4 * 0 + 3] = point0[0]; matrix[4 * 1 + 3] = point0[1]; matrix[4 * 2 + 3] = point0[2] + pointRadius; Rn.transpose(inverseTransposeMatrix, matrix); Rn.inverse(inverseTransposeMatrix, inverseTransposeMatrix); shader = pointShader.getCoreShader(); computeArray(pointVertices, pointIndices, zNormal, pointNormals); // outline : if (outlineFraction > 0 /*&& pointShader!= null*/) { shader = pointShader.getOutlineShader(); d = 1 / d; for (int i = 0; i < 24; i += 3) { pointVertices[24 + i] = pointVertices[i] * d; pointVertices[25 + i] = pointVertices[i + 1] * d; pointVertices[26 + i] = -d; } for (int i = 0; i < 8; i++) { computeArray(pointVertices, pointOutlineIndices[i], zNormal, pointOutlineNormals[i]); } } // reset the matrix: matrix = mat; inverseTransposeMatrix = tmat; } private static final double[] identity = new double[] {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1}; private double[] line = new double[12]; private double[] direction = new double[3]; /* (non-Javadoc) * @see de.jreality.soft.LineProcessor#processLine(double[], int, int) */ public final void processLine(DoubleArray from, DoubleArray to) { if (lineShader == null) return; shader = lineShader.getPolygonShader(); double w = 1; if (from.size() == 4) w = from.getValueAt(3); VecMat.transform( matrix, from.getValueAt(0), from.getValueAt(1), from.getValueAt(2), 1, point0, 0); VecMat.transformUnNormalized(matrix, 0, 0, lineWidth, normal0, 0); w = 1; if (to.size() == 4) w = from.getValueAt(3); VecMat.transform(matrix, to.getValueAt(0), to.getValueAt(1), to.getValueAt(2), 1, point1, 0); // VecMat.transformUnNormalized(matrix,0,0,.2,normal0,0); double[] mat = matrix; double[] tmat = inverseTransposeMatrix; matrix = identity; inverseTransposeMatrix = identity; // VecMat.assignIdentity(matrix); direction[0] = point1[0] - point0[0]; direction[1] = point1[1] - point0[1]; direction[2] = point1[2] - point0[2]; // TODO make only one call to norm... if (VecMat.norm(direction) == 0) { matrix = mat; inverseTransposeMatrix = tmat; return; } VecMat.normalize(direction); double length = VecMat.norm(normal0); VecMat.cross(direction, zNormal, normal0); VecMat.normalize(normal0); normal0[0] *= length; normal0[1] *= length; normal0[2] *= length; VecMat.cross(normal0, direction, normal1); VecMat.normalize(normal1); line[0] = point0[0] - normal0[0]; line[1] = point0[1] - normal0[1]; line[2] = point0[2] + length; // - normal0[2]; line[3] = point0[0] + normal0[0]; line[4] = point0[1] + normal0[1]; line[5] = point0[2] + length; // + normal0[2]; line[6] = point1[0] + normal0[0]; line[7] = point1[1] + normal0[1]; line[8] = point1[2] + length; // + normal0[2]; line[9] = point1[0] - normal0[0]; line[10] = point1[1] - normal0[1]; line[11] = point1[2] + length; // + normal0[2]; computeArray(line, lineIndices, normal1, pointNormals); matrix = mat; inverseTransposeMatrix = tmat; } private double[] normal2 = new double[6]; private static int[] nIndices = {0, 3, 3, 0}; private static final double cs = Math.cos(0.2); private static final double ss = Math.sin(0.2); private double test1[] = new double[3]; private double test2[] = new double[3]; private DoubleArray tda1 = new DoubleArray(test1); private DoubleArray tda2 = new DoubleArray(test2); private double test3[] = new double[3]; private double test4[] = new double[3]; private DoubleArray tda3 = new DoubleArray(test3); private DoubleArray tda4 = new DoubleArray(test4); private double[] zzNormal = new double[3]; public final void processPseudoTube(DoubleArray from, DoubleArray to) { if (lineShader == null) return; shader = lineShader.getPolygonShader(); double w = 1; if (from.size() == 4) w = from.getValueAt(3); VecMat.transform( matrix, from.getValueAt(0), from.getValueAt(1), from.getValueAt(2), w, point0, 0); VecMat.transformUnNormalized(matrix, 0, 0, lineWidth, normal0, 0); w = 1; if (to.size() == 4) w = to.getValueAt(3); VecMat.transform(matrix, to.getValueAt(0), to.getValueAt(1), to.getValueAt(2), w, point1, 0); double[] mat = matrix; double[] tmat = inverseTransposeMatrix; matrix = identity; inverseTransposeMatrix = identity; direction[0] = point1[0] - point0[0]; direction[1] = point1[1] - point0[1]; direction[2] = point1[2] - point0[2]; // TODO: decide: better but slower: zzNormal[0] = point1[0] + point0[0]; zzNormal[1] = point1[1] + point0[1]; zzNormal[2] = point1[2] + point0[2]; VecMat.normalize(zzNormal); // TODO make only one call to norm... if (VecMat.norm(direction) == 0) { matrix = mat; inverseTransposeMatrix = tmat; return; } VecMat.normalize(direction); double length = VecMat.norm(normal0); VecMat.cross(direction, zzNormal, normal0); VecMat.normalize(normal0); VecMat.cross(normal0, direction, normal1); normal0[0] *= length; normal0[1] *= length; // allways zero: normal0[2] *= length; VecMat.normalize(normal1); if (VecMat.dot(normal1, zzNormal) < 0) { normal1[0] *= -1; normal1[1] *= -1; normal1[2] *= -1; System.out.println("flip"); } line[0] = point0[0] - normal0[0]; line[1] = point0[1] - normal0[1]; line[2] = point0[2]; line[3] = point0[0]; line[4] = point0[1]; line[5] = point0[2] + length; line[6] = point1[0]; line[7] = point1[1]; line[8] = point1[2] + length; line[9] = point1[0] - normal0[0]; line[10] = point1[1] - normal0[1]; line[11] = point1[2]; normal2[0] = +cs / length * normal0[0] + ss * normal1[0]; normal2[1] = +cs / length * normal0[1] + ss * normal1[1]; normal2[2] = ss * normal1[2]; normal2[3] = normal1[0]; normal2[4] = normal1[1]; normal2[5] = normal1[2]; computeArrayNoTransform(line, lineIndices, normal2, nIndices); ///// line[0] = point0[0]; line[1] = point0[1]; line[2] = point0[2] + length; line[3] = point0[0] + normal0[0]; line[4] = point0[1] + normal0[1]; line[5] = point0[2]; line[6] = point1[0] + normal0[0]; line[7] = point1[1] + normal0[1]; line[8] = point1[2]; line[9] = point1[0]; line[10] = point1[1]; line[11] = point1[2] + length; normal2[0] = normal1[0]; normal2[1] = normal1[1]; normal2[2] = normal1[2]; normal2[3] = -cs / length * normal0[0] + ss * normal1[0]; normal2[4] = -cs / length * normal0[1] + ss * normal1[1]; normal2[5] = ss * normal1[2]; computeArrayNoTransform(line, lineIndices, normal2, nIndices); /* test1[0] = point1[0]; test1[1] = point1[1]; test1[2] = point1[2]; test2[0] = point1[0]+normal1[0]; test2[1] = point1[1]+normal1[1]; test2[2] = point1[2]+normal1[2]; test3[0] = point0[0]; test3[1] = point0[1]; test3[2] = point0[2]; test4[0] = point0[0]+normal1[0]; test4[1] = point0[1]+normal1[1]; test4[2] = point0[2]+normal1[2]; processLine(tda1,tda2); processLine(tda3,tda4); */ matrix = mat; inverseTransposeMatrix = tmat; } /** @return PolygonShader */ public PolygonShader getFaceShader() { return faceShader; } /** * Sets the faceShader. * * @param faceShader The faceShader to set */ public void setFaceShader(PolygonShader faceShader) { this.faceShader = faceShader; } /** @return double */ public double getLineWidth() { return lineWidth; } /** @return double */ public double getPointRadius() { return pointRadius; } /** * Sets the lineWidth. * * @param lineWidth The lineWidth to set */ public void setLineWidth(double lineWidth) { this.lineWidth = lineWidth; } /** * Sets the pointRadius. * * @param pointRadius The pointRadius to set */ public void setPointRadius(double pointRadius) { this.pointRadius = pointRadius; } /** @return PolygonShader */ public LineShader getLineShader() { return lineShader; } /** @return PolygonShader */ public PointShader getPointShader() { return pointShader; } /** * Sets the lineShader. * * @param lineShader The lineShader to set */ public void setLineShader(LineShader lineShader) { this.lineShader = lineShader; if (lineShader != null) lineWidth = lineShader.getLineWidth(); } /** * Sets the pointShader. * * @param pointShader The pointShader to set */ public void setPointShader(PointShader pointShader) { this.pointShader = pointShader; if (pointShader != null) { pointRadius = pointShader.getPointRadius(); outlineFraction = pointShader.getOutlineFraction(); } } /** @return PolygonShader */ // public PolygonShader getPointOutlineShader() { // return pointOutlineShader; // } /** * Sets the pointOutlineShader. * * @param pointOutlineShader The pointOutlineShader to set */ // public void setPointOutlineShader(PolygonShader pointOutlineShader) { // this.pointOutlineShader = pointOutlineShader; // } /** @return double */ public double getOutlineFraction() { return outlineFraction; } /** * Sets the outlineFraction. * * @param outlineFraction The outlineFraction to set */ public void setOutlineFraction(double outlineFraction) { this.outlineFraction = outlineFraction; } public int copyPolygon(Polygon p) { int newP = getFreePolygon(); Polygon np = polygons[newP]; np.length = p.length; for (int i = 0; i < p.length; i++) { np.vertices[i] = p.vertices[i]; np.setShader(p.getShader()); np.setCenterZ(p.getCenterZ()); } return newP; } }
