Example usage for javax.media.j3d TriangleArray setCoordinates

Introduction

In this page you can find the example usage for javax.media.j3d TriangleArray setCoordinates.

Prototype

public void setCoordinates(int index, float coordinates[]) 

Source Link

Document

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

Usage

From source file:AppearanceTest.java

public Tetrahedron() {
    int i;//from   w  w w  . j  a  va 2s.  c om

    TriangleArray tetra = new TriangleArray(12,
            TriangleArray.COORDINATES | TriangleArray.NORMALS | TriangleArray.TEXTURE_COORDINATE_2);

    tetra.setCoordinates(0, verts);
    for (i = 0; i < 12; i++) {
        tetra.setTextureCoordinate(0, i, texCoord[i % 3]);
    }

    int face;
    Vector3f normal = new Vector3f();
    Vector3f v1 = new Vector3f();
    Vector3f v2 = new Vector3f();
    Point3f[] pts = new Point3f[3];
    for (i = 0; i < 3; i++)
        pts[i] = new Point3f();

    for (face = 0; face < 4; face++) {
        tetra.getCoordinates(face * 3, pts);
        v1.sub(pts[1], pts[0]);
        v2.sub(pts[2], pts[0]);
        normal.cross(v1, v2);
        normal.normalize();
        for (i = 0; i < 3; i++) {
            tetra.setNormal((face * 3 + i), normal);
        }
    }
    this.setGeometry(tetra);
    this.setAppearance(new Appearance());
}

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From source file:TickTockPicking.java

public Tetrahedron() {
    int i;//from ww w.  j ava 2 s  .c  o  m

    TriangleArray tetra = new TriangleArray(12,
            TriangleArray.COORDINATES | TriangleArray.NORMALS | TriangleArray.TEXTURE_COORDINATE_2);

    tetra.setCoordinates(0, verts);
    for (i = 0; i < 12; i++) {
        tetra.setTextureCoordinate(0, i, texCoord[i % 3]);
    }

    int face;
    Vector3f normal = new Vector3f();
    Vector3f v1 = new Vector3f();
    Vector3f v2 = new Vector3f();
    Point3f[] pts = new Point3f[3];
    for (i = 0; i < 3; i++)
        pts[i] = new Point3f();

    for (face = 0; face < 4; face++) {
        tetra.getCoordinates(face * 3, pts);
        v1.sub(pts[1], pts[0]);
        v2.sub(pts[2], pts[0]);
        normal.cross(v1, v2);
        normal.normalize();
        for (i = 0; i < 3; i++) {
            tetra.setNormal((face * 3 + i), normal);
        }
    }

    tetra.setCapability(Geometry.ALLOW_INTERSECT);

    this.setGeometry(tetra);
    this.setAppearance(new Appearance());
}

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From source file:AppearanceExplorer.java

Shape3D createTexTris() {

    Point3f pnt[] = new Point3f[9];
    pnt[0] = new Point3f(-0.8f, -0.8f, 0.0f);
    pnt[1] = new Point3f(-0.5f, -0.7f, 0.0f);
    pnt[2] = new Point3f(-0.7f, 0.7f, 0.0f);

    pnt[3] = new Point3f(-0.4f, 0.7f, 0.0f);
    pnt[4] = new Point3f(0.0f, -0.7f, 0.0f);
    pnt[5] = new Point3f(0.4f, 0.7f, 0.0f);

    pnt[6] = new Point3f(0.5f, 0.7f, 0.0f);
    pnt[7] = new Point3f(0.5f, -0.7f, 0.0f);
    pnt[8] = new Point3f(0.9f, 0.0f, 0.0f);

    TexCoord2f texCoord[] = new TexCoord2f[9];
    texCoord[0] = new TexCoord2f(0.05f, 0.90f);
    texCoord[1] = new TexCoord2f(0.25f, 0.10f);
    texCoord[2] = new TexCoord2f(1.00f, 0.60f);

    texCoord[3] = texCoord[0];//from   w  w w.  j  a  v a2  s  . co m
    texCoord[4] = texCoord[1];
    texCoord[5] = texCoord[2];

    texCoord[6] = texCoord[0];
    texCoord[7] = texCoord[1];
    texCoord[8] = texCoord[2];

    TriangleArray ta = new TriangleArray(9, GeometryArray.COORDINATES | GeometryArray.TEXTURE_COORDINATE_2);
    ta.setCoordinates(0, pnt);
    ta.setTextureCoordinates(0, 0, texCoord);

    return new Shape3D(ta, appearance);
}

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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;//from   w w  w. j a  v  a  2 s .co  m
    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);
}

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