Examples with Vector3f com.jme3.math.Vector3f used on opensource projects

Example 31 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class TangentBinormalGenerator method processTriangle.

public static TriangleData processTriangle(int[] index, Vector3f[] v, Vector2f[] t) {
    TempVars tmp = TempVars.get();
    try {
        Vector3f edge1 = tmp.vect1;
        Vector3f edge2 = tmp.vect2;
        Vector2f edge1uv = tmp.vect2d;
        Vector2f edge2uv = tmp.vect2d2;
        Vector3f tangent = tmp.vect3;
        Vector3f binormal = tmp.vect4;
        Vector3f normal = tmp.vect5;
        t[1].subtract(t[0], edge1uv);
        t[2].subtract(t[0], edge2uv);
        float det = edge1uv.x * edge2uv.y - edge1uv.y * edge2uv.x;
        boolean normalize = false;
        if (Math.abs(det) < ZERO_TOLERANCE) {
            log.log(Level.WARNING, "Colinear uv coordinates for triangle " + "[{0}, {1}, {2}]; tex0 = [{3}, {4}], " + "tex1 = [{5}, {6}], tex2 = [{7}, {8}]", new Object[] { index[0], index[1], index[2], t[0].x, t[0].y, t[1].x, t[1].y, t[2].x, t[2].y });
            det = 1;
            normalize = true;
        }
        v[1].subtract(v[0], edge1);
        v[2].subtract(v[0], edge2);
        tangent.set(edge1);
        tangent.normalizeLocal();
        binormal.set(edge2);
        binormal.normalizeLocal();
        if (Math.abs(Math.abs(tangent.dot(binormal)) - 1) < ZERO_TOLERANCE) {
            log.log(Level.WARNING, "Vertices are on the same line " + "for triangle [{0}, {1}, {2}].", new Object[] { index[0], index[1], index[2] });
        }
        float factor = 1 / det;
        tangent.x = (edge2uv.y * edge1.x - edge1uv.y * edge2.x) * factor;
        tangent.y = (edge2uv.y * edge1.y - edge1uv.y * edge2.y) * factor;
        tangent.z = (edge2uv.y * edge1.z - edge1uv.y * edge2.z) * factor;
        if (normalize) {
            tangent.normalizeLocal();
        }
        binormal.x = (edge1uv.x * edge2.x - edge2uv.x * edge1.x) * factor;
        binormal.y = (edge1uv.x * edge2.y - edge2uv.x * edge1.y) * factor;
        binormal.z = (edge1uv.x * edge2.z - edge2uv.x * edge1.z) * factor;
        if (normalize) {
            binormal.normalizeLocal();
        }
        tangent.cross(binormal, normal);
        normal.normalizeLocal();
        return new TriangleData(tangent.clone(), binormal.clone(), normal.clone());
    } finally {
        tmp.release();
    }
}

Example 32 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class BufferUtils method getVector3Array.

/**
     * Generates a Vector3f array from the given FloatBuffer.
     * 
     * @param buff
     *            the FloatBuffer to read from
     * @return a newly generated array of Vector3f objects
     */
public static Vector3f[] getVector3Array(FloatBuffer buff) {
    buff.clear();
    Vector3f[] verts = new Vector3f[buff.limit() / 3];
    for (int x = 0; x < verts.length; x++) {
        Vector3f v = new Vector3f(buff.get(), buff.get(), buff.get());
        verts[x] = v;
    }
    return verts;
}

Example 33 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class BufferUtils method addInBuffer.

/**
     * Add to a Vector3f in-buffer.
     * 
     * @param toAdd
     *            the vector to add from
     * @param buf
     *            the buffer to find the Vector3f within
     * @param index
     *            the position (in terms of vectors, not floats) of the vector
     *            to add to
     */
public static void addInBuffer(Vector3f toAdd, FloatBuffer buf, int index) {
    TempVars vars = TempVars.get();
    Vector3f tempVec3 = vars.vect1;
    populateFromBuffer(tempVec3, buf, index);
    tempVec3.addLocal(toAdd);
    setInBuffer(tempVec3, buf, index);
    vars.release();
}

Example 34 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class BufferUtils method normalizeVector3.

/**
     * Normalize a Vector3f in-buffer.
     * 
     * @param buf
     *            the buffer to find the Vector3f within
     * @param index
     *            the position (in terms of vectors, not floats) of the vector
     *            to normalize
     */
public static void normalizeVector3(FloatBuffer buf, int index) {
    TempVars vars = TempVars.get();
    Vector3f tempVec3 = vars.vect1;
    populateFromBuffer(tempVec3, buf, index);
    tempVec3.normalizeLocal();
    setInBuffer(tempVec3, buf, index);
    vars.release();
}

Example 35 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class Picture method setWidth.

/**
     * Set the width in pixels of the picture, if the width
     * does not match the texture's width, then the texture will
     * be scaled to fit the picture.
     * 
     * @param width the width to set.
     */
public void setWidth(float width) {
    this.width = width;
    setLocalScale(new Vector3f(width, height, 1f));
}