Examples with Vector3 com.ardor3d.math.Vector3 used on opensource projects

Example 56 with Vector3

use of com.ardor3d.math.Vector3 in project energy3d by concord-consortium.

the class Heliodon method drawSunRegion.

private void drawSunRegion() {
    final FloatBuffer buf = sunRegion.getMeshData().getVertexBuffer();
    buf.limit(buf.capacity());
    buf.rewind();
    final double declinationStep = 2.0 * TILT_ANGLE / DECLINATION_DIVISIONS;
    final double hourStep = MathUtils.TWO_PI / HOUR_DIVISIONS;
    int limit = 0;
    for (double declinationAngle = -TILT_ANGLE; declinationAngle < TILT_ANGLE - declinationStep / 2.0; declinationAngle += declinationStep) {
        for (double hourAngle = -Math.PI; hourAngle < Math.PI - hourStep / 2.0; hourAngle += hourStep) {
            double hourAngle2 = hourAngle + hourStep;
            double declinationAngle2 = declinationAngle + declinationStep;
            if (hourAngle2 > Math.PI) {
                hourAngle2 = Math.PI;
            }
            if (declinationAngle2 > TILT_ANGLE) {
                declinationAngle2 = TILT_ANGLE;
            }
            final Vector3 v1 = computeSunLocation(hourAngle, declinationAngle, latitude);
            final Vector3 v2 = computeSunLocation(hourAngle2, declinationAngle, latitude);
            final Vector3 v3 = computeSunLocation(hourAngle2, declinationAngle2, latitude);
            final Vector3 v4 = computeSunLocation(hourAngle, declinationAngle2, latitude);
            if (v1.getZ() >= 0 || v2.getZ() >= 0 || v3.getZ() >= 0 || v4.getZ() >= 0) {
                buf.put(v1.getXf()).put(v1.getYf()).put(v1.getZf()).put(v2.getXf()).put(v2.getYf()).put(v2.getZf()).put(v3.getXf()).put(v3.getYf()).put(v3.getZf()).put(v4.getXf()).put(v4.getYf()).put(v4.getZf());
                limit += 12;
            }
        }
    }
    buf.limit(limit);
    sunRegion.getMeshData().updateVertexCount();
    sunRegion.updateModelBound();
    sunRegion.updateGeometricState(0);
    dirtySunRegion = false;
}

Example 57 with Vector3

use of com.ardor3d.math.Vector3 in project energy3d by concord-consortium.

the class Heliodon method drawSun.

public void drawSun() {
    final Vector3 sunLocation = computeSunLocation(hourAngle, declinationAngle, latitude);
    setSunLocation(sunLocation);
}

Example 58 with Vector3

use of com.ardor3d.math.Vector3 in project energy3d by concord-consortium.

the class SizeAnnotation method draw.

@Override
public void draw() {
    final double C = 1.0;
    final Vector3 v = new Vector3();
    final Vector3 offset = new Vector3();
    if (front && !drawInside)
        offset.set(faceDirection).normalizeLocal().multiplyLocal(C).addLocal(0, 0, 0.05);
    else {
        offset.set(to).subtractLocal(from).normalizeLocal().crossLocal(faceDirection).multiplyLocal(C);
        if (autoFlipOffset) {
            v.set(from).subtractLocal(center).normalizeLocal();
            if (v.dot(offset) < 0)
                offset.negateLocal();
        }
    }
    if (drawInside)
        offset.negateLocal();
    final ReadOnlyVector3 dir = to.subtract(from, null).normalizeLocal();
    final int scale = upsideDownText ? -1 : 1;
    final Vector3 xdir = dir.multiply(scale, null);
    final Vector3 ydir = faceDirection.normalize(null);
    final Vector3 zdir = ydir.cross(xdir, null).normalizeLocal();
    zdir.cross(ydir, xdir);
    if (zdir.dot(Vector3.UNIT_Z) < 0) {
        zdir.negateLocal();
        xdir.negateLocal();
    }
    final Matrix3 matrix = new Matrix3().fromAxes(xdir, ydir, zdir);
    label.setRotation(matrix);
    FloatBuffer vertexBuffer = mesh.getMeshData().getVertexBuffer();
    vertexBuffer.rewind();
    // main line
    final Vector3 newFrom = new Vector3(from).addLocal(offset);
    final Vector3 newTo = new Vector3(to).addLocal(offset);
    final Vector3 middle = new Vector3(newFrom).addLocal(newTo).multiplyLocal(0.5);
    final Vector3 body = new Vector3(to).subtractLocal(from).multiplyLocal(0.5);
    label.setTranslation(middle);
    final DecimalFormat df = new DecimalFormat("#.##");
    double length = to.subtract(from, null).length() * Scene.getInstance().getAnnotationScale();
    switch(Scene.getInstance().getUnit()) {
        case InternationalSystemOfUnits:
            label.setText(df.format(length) + " m");
            break;
        case USCustomaryUnits:
            label.setText(df.format(length * 3.28084) + " ft");
            break;
    }
    label.setAlign(align);
    label.updateWorldTransform(true);
    label.updateWorldBound(true);
    vertexBuffer.put(newFrom.getXf()).put(newFrom.getYf()).put(newFrom.getZf());
    final double bankSpace = label.getWidth() * 0.70;
    final double blankSpaceFactor = Math.max(0, body.length() - bankSpace) / body.length();
    v.set(body).multiplyLocal(blankSpaceFactor).addLocal(newFrom);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    v.set(body).multiplyLocal(-blankSpaceFactor).addLocal(newTo);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    vertexBuffer.put(newTo.getXf()).put(newTo.getYf()).put(newTo.getZf());
    offset.multiplyLocal(0.5);
    // from End
    v.set(from);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    v.set(newFrom).addLocal(offset);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    // to End
    v.set(to);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    v.set(newTo).addLocal(offset);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    // arrow
    offset.multiplyLocal(0.5);
    body.set(to).subtractLocal(from).normalizeLocal().multiplyLocal(0.5);
    mesh.updateModelBound();
    vertexBuffer = arrows.getMeshData().getVertexBuffer();
    vertexBuffer.rewind();
    // arrow from
    v.set(newFrom);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    v.addLocal(offset).addLocal(body);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    v.set(newFrom).subtractLocal(offset).addLocal(body);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    // arrow to
    body.negateLocal();
    v.set(newTo);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    v.addLocal(offset).addLocal(body);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    v.set(newTo).subtractLocal(offset).addLocal(body);
    vertexBuffer.put(v.getXf()).put(v.getYf()).put(v.getZf());
    arrows.updateModelBound();
    updateWorldTransform(true);
    updateWorldBound(true);
}

Example 59 with Vector3

use of com.ardor3d.math.Vector3 in project energy3d by concord-consortium.

the class Rack method findRotationMatrix.

private Matrix3 findRotationMatrix(final ReadOnlyVector3 v1, final ReadOnlyVector3 v2) {
    final double angle = v1.smallestAngleBetween(v2);
    final Vector3 axis = v1.cross(v2, null).normalizeLocal();
    final Matrix3 matrix = new Matrix3().fromAngleAxis(angle, axis);
    return matrix;
}

Example 60 with Vector3

use of com.ardor3d.math.Vector3 in project energy3d by concord-consortium.

the class Rack method outOfBound.

private boolean outOfBound() {
    drawMesh();
    if (container instanceof Foundation) {
        final Foundation foundation = (Foundation) container;
        final int n = Math.round(mesh.getMeshData().getVertexBuffer().limit() / 3);
        for (int i = 0; i < n; i++) {
            final Vector3 a = getVertex(i);
            if (a.getZ() < foundation.getHeight() * 1.1) {
                // left a 10% margin above the foundation
                return true;
            }
            if (!foundation.containsPoint(a.getX(), a.getY())) {
                return true;
            }
        }
    } else if (container instanceof Roof) {
        final Roof roof = (Roof) container;
        final int n = Math.round(mesh.getMeshData().getVertexBuffer().limit() / 3);
        boolean init = true;
        for (int i = 0; i < n; i++) {
            final Vector3 a = getVertex(i);
            if (!roof.insideWalls(a.getX(), a.getY(), init)) {
                return true;
            }
            if (init) {
                init = false;
            }
        }
    }
    return false;
}