Java Code Examples for org.joml.Vector3f#y()

@Override
public void run() {
    try {
        FileWriter fw = new FileWriter(saveFile);
        BufferedWriter bw = new BufferedWriter(fw);

        if( !Files.getFileExtension(saveFile.getAbsolutePath()).equalsIgnoreCase("clj") )
            throw new IOException("File must be Clojure (extension = .clj)");

        Vector3f pos = sciView.getCamera().getPosition();
        Quaternionf rot = sciView.getCamera().getRotation();

        String scriptContents = "; @SciView sciView\n\n";
        scriptContents += "(.setPosition (.getCamera sciView) (cleargl.GLVector. (float-array [" + pos.x() + " " + pos.y() + " " + pos.z() + "])))\n";
        scriptContents += "(.setRotation (.getCamera sciView) (com.jogamp.opengl.math.Quaternion. " + rot.x() + " " + rot.y() + " " + rot.z() + " " + rot.w() + "))\n";

        bw.write(scriptContents);

        bw.close();
        fw.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}
 

/**
 * Position all lights that were initialized by default around the scene in a circle at Y=0
 */
public void surroundLighting() {
    OrientedBoundingBox bb = getSubgraphBoundingBox(getScene(), notAbstractBranchingFunction);
    OrientedBoundingBox.BoundingSphere boundingSphere = bb.getBoundingSphere();
    // Choose a good y-position, then place lights around the cross-section through this plane
    float y = 0;
    Vector3f c = boundingSphere.getOrigin();
    float r = boundingSphere.getRadius();
    for( int k = 0; k < lights.size(); k++ ) {
        PointLight light = lights.get(k);
        float x = (float) (c.x() + r * Math.cos( k == 0 ? 0 : Math.PI * 2 * ((float)k / (float)lights.size()) ));
        float z = (float) (c.y() + r * Math.sin( k == 0 ? 0 : Math.PI * 2 * ((float)k / (float)lights.size()) ));
        light.setLightRadius( 2 * r );
        light.setPosition( new Vector3f( x, y, z ) );
    }
}
 

/**
 * Converts a GLVector containing an RGB color to a GLVector containing
 * the color converted to HSL space. The RGB colors are assumed to be within [0, 1],
 * which is scenery's convention. Divide by 255 before otherwise.
 *
 * The conversion algorithm follows https://en.wikipedia.org/wiki/HSL_and_HSV#Conversion_RGB_to_HSL/HSV_used_commonly_in_software_programming
 *
 * @param rgb RGB color, with each channel in [0, 1].
 * @return converted color in HSL space
 */
public static Vector3f convertRGBtoHSL(Vector3f rgb) {
    float max = Math.max(rgb.x(), Math.max(rgb.y(), rgb.z()));
    float min = Math.min(rgb.x(), Math.min(rgb.y(), rgb.z()));
    float h;
    float s;
    float l = (max + min)/2.0f;

    if(max == min) {
        h = 0.0f;
        s = 0.0f;
    } else {
        float diff = max - min;
        if(l > 0.5f) {
            s = diff / (2 - max - min);
        } else {
            s = diff / (max + min);
        }

        if(max == rgb.x()) {
            h = (rgb.y() - rgb.z()) / diff + (rgb.y() < rgb.z() ? 6.0f : 0.0f);
        } else if(max == rgb.y()) {
            h = (rgb.z() - rgb.x()) / diff + 2.0f;
        } else {
            h = (rgb.x() - rgb.y()) / diff + 4.0f;
        }

        h /= 6.0f;
    }

    return new Vector3f(h, s, l);
}
 

private void faceNodeAlongVelocity(Node n, Vector3f vel) {
    n.getMetadata().put("velocity",vel);

    Quaternionf newRot = new Quaternionf();
    Vector3f dir = new Vector3f(vel.x(), vel.y(), vel.z());
    Vector3f up = new Vector3f(0f, 1f, 0f);
    newRot.lookAlong(dir, up);
    n.setRotation(newRot);
}