Example usage for javax.media.j3d GeometryArray setNormals

Introduction

In this page you can find the example usage for javax.media.j3d GeometryArray setNormals.

Prototype

public void setNormals(int index, Vector3f normals[]) 

Source Link

Document

Sets the normals associated with the vertices starting at the specified index for this object.

Usage

From source file:CuboidTest.java

private GeometryArray processTriangles() {
    GeometryArray obj = null;
    int i;/*from   w  w  w .j a v  a 2 s. co m*/
    int totalVerts = 0;

    for (i = 0; i < currPrimCnt; i++) {
        totalVerts += currPrimEndVertex[i] - currPrimStartVertex[i];
    }

    if (debug >= 1)
        System.out.println("totalVerts " + totalVerts);

    if (((flags & GENERATE_NORMALS) != 0) && ((flags & GENERATE_TEXTURE_COORDS) != 0)) {
        obj = new TriangleArray(totalVerts,
                TriangleArray.COORDINATES | TriangleArray.NORMALS | TriangleArray.TEXTURE_COORDINATE_2);
    } else if (((flags & GENERATE_NORMALS) == 0) && ((flags & GENERATE_TEXTURE_COORDS) != 0)) {
        obj = new TriangleArray(totalVerts, TriangleArray.COORDINATES | TriangleArray.TEXTURE_COORDINATE_2);
    } else if (((flags & GENERATE_NORMALS) != 0) && ((flags & GENERATE_TEXTURE_COORDS) == 0)) {
        obj = new TriangleArray(totalVerts, TriangleArray.COORDINATES | TriangleArray.NORMALS);
    } else {
        obj = new TriangleArray(totalVerts, TriangleArray.COORDINATES);
    }

    Point3f[] newpts = new Point3f[totalVerts];
    Vector3f[] newnormals = new Vector3f[totalVerts];
    TexCoord2f[] newtcoords = new TexCoord2f[totalVerts];
    int currVert = 0;

    for (i = 0; i < currPrimCnt; i++) {
        for (int j = currPrimStartVertex[i]; j < currPrimEndVertex[i] - 2; j += 3) {
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j);
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j + 1);
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j + 2);
            numTris += 1;
        }
    }
    numVerts = currVert;

    obj.setCoordinates(0, newpts);
    if ((flags & GENERATE_NORMALS) != 0)
        obj.setNormals(0, newnormals);
    if ((flags & GENERATE_TEXTURE_COORDS) != 0)
        obj.setTextureCoordinates(0, 0, newtcoords);

    geometry = obj;
    return obj;
}

---

From source file:CuboidTest.java

private GeometryArray processQuadStrips() {
    GeometryArray obj = null;
    int i;// www  . j  a va 2  s.  c om
    int totalVerts = 0;

    for (i = 0; i < currPrimCnt; i++) {
        int numQuadStripVerts;

        numQuadStripVerts = currPrimEndVertex[i] - currPrimStartVertex[i];
        totalVerts += (numQuadStripVerts / 2 - 1) * 4;
    }

    if (debug >= 1)
        System.out.println("totalVerts " + totalVerts);

    if (((flags & GENERATE_NORMALS) != 0) && ((flags & GENERATE_TEXTURE_COORDS) != 0)) {
        obj = new QuadArray(totalVerts,
                QuadArray.COORDINATES | QuadArray.NORMALS | QuadArray.TEXTURE_COORDINATE_2);
    } else if (((flags & GENERATE_NORMALS) == 0) && ((flags & GENERATE_TEXTURE_COORDS) != 0)) {
        obj = new QuadArray(totalVerts, QuadArray.COORDINATES | QuadArray.TEXTURE_COORDINATE_2);
    } else if (((flags & GENERATE_NORMALS) != 0) && ((flags & GENERATE_TEXTURE_COORDS) == 0)) {
        obj = new QuadArray(totalVerts, QuadArray.COORDINATES | QuadArray.NORMALS);
    } else {
        obj = new QuadArray(totalVerts, QuadArray.COORDINATES);
    }

    Point3f[] newpts = new Point3f[totalVerts];
    Vector3f[] newnormals = new Vector3f[totalVerts];
    TexCoord2f[] newtcoords = new TexCoord2f[totalVerts];
    int currVert = 0;

    for (i = 0; i < currPrimCnt; i++) {
        for (int j = currPrimStartVertex[i] + 2; j < currPrimEndVertex[i]; j += 2) {
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j - 2);
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j - 1);
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j + 1);
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j);
            numTris += 2;
        }
    }
    numVerts = currVert;

    obj.setCoordinates(0, newpts);
    if ((flags & GENERATE_NORMALS) != 0)
        obj.setNormals(0, newnormals);
    if ((flags & GENERATE_TEXTURE_COORDS) != 0)
        obj.setTextureCoordinates(0, 0, newtcoords);

    geometry = obj;
    return obj;
}

---

From source file:CuboidTest.java

private GeometryArray processQuads() {
    GeometryArray obj = null;
    int i;/* w  w  w.  j av  a  2  s  .  com*/
    int totalVerts = 0;

    for (i = 0; i < currPrimCnt; i++) {
        totalVerts += currPrimEndVertex[i] - currPrimStartVertex[i];
    }

    if (debug >= 1)
        System.out.println("totalVerts " + totalVerts);

    if (((flags & GENERATE_NORMALS) != 0) && ((flags & GENERATE_TEXTURE_COORDS) != 0)) {
        obj = new QuadArray(totalVerts,
                QuadArray.COORDINATES | QuadArray.NORMALS | QuadArray.TEXTURE_COORDINATE_2);
    } else if (((flags & GENERATE_NORMALS) == 0) && ((flags & GENERATE_TEXTURE_COORDS) != 0)) {
        obj = new QuadArray(totalVerts, QuadArray.COORDINATES | QuadArray.TEXTURE_COORDINATE_2);
    } else if (((flags & GENERATE_NORMALS) != 0) && ((flags & GENERATE_TEXTURE_COORDS) == 0)) {
        obj = new QuadArray(totalVerts, QuadArray.COORDINATES | QuadArray.NORMALS);
    } else {
        obj = new QuadArray(totalVerts, QuadArray.COORDINATES);
    }

    Point3f[] newpts = new Point3f[totalVerts];
    Vector3f[] newnormals = new Vector3f[totalVerts];
    TexCoord2f[] newtcoords = new TexCoord2f[totalVerts];
    int currVert = 0;

    if (debug > 1)
        System.out.println("total prims " + currPrimCnt);

    for (i = 0; i < currPrimCnt; i++) {
        if (debug > 1)
            System.out.println("start " + currPrimStartVertex[i] + " end " + currPrimEndVertex[i]);
        for (int j = currPrimStartVertex[i]; j < currPrimEndVertex[i] - 3; j += 4) {
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j);
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j + 1);
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j + 2);
            outVertex(newpts, newnormals, newtcoords, currVert++, pts, normals, tcoords, j + 3);
            numTris += 2;
        }
    }
    numVerts = currVert;

    obj.setCoordinates(0, newpts);
    if ((flags & GENERATE_NORMALS) != 0)
        obj.setNormals(0, newnormals);
    if ((flags & GENERATE_TEXTURE_COORDS) != 0)
        obj.setTextureCoordinates(0, 0, newtcoords);

    geometry = obj;
    return obj;
}

---