Examples with Vector3 org.rajawali3d.math.vector.Vector3 used on opensource projects

Example 56 with Vector3

use of org.rajawali3d.math.vector.Vector3 in project Rajawali by Rajawali.

the class ArcballCamera method initialize.

private void initialize() {
    mStartFOV = mFieldOfView;
    mLookAtEnabled = true;
    setLookAt(0, 0, 0);
    mEmpty = new Object3D();
    mScratchMatrix = new Matrix4();
    mScratchVector = new Vector3();
    mCameraStartPos = new Vector3();
    mPrevSphereCoord = new Vector3();
    mCurrSphereCoord = new Vector3();
    mPrevScreenCoord = new Vector2();
    mCurrScreenCoord = new Vector2();
    mStartOrientation = new Quaternion();
    mCurrentOrientation = new Quaternion();
}

Example 57 with Vector3

use of org.rajawali3d.math.vector.Vector3 in project Rajawali by Rajawali.

the class CatmullRomCurve3D method reparametrizeForUniformDistribution.

/**
	 * Creates a curve with uniformly distributed points. Please note that this might alter the shape of the curve
	 * slightly. The higher the resolution, the more closely it will resemble to original curve. You'd typically want to
	 * use this for smooth animations with constant speeds.
	 * 
	 * <pre>
	 * <code>
	 * myCurve.reparametrizeForUniformDistribution(myCurve.getPoints().size() * 4);
	 * </code>
	 * </pre>
	 * 
	 * @param resolution
	 */
public void reparametrizeForUniformDistribution(int resolution) {
    double curveLength = getLength(resolution * 100);
    // -- get the length between each new point
    double segmentDistance = curveLength / resolution;
    double numSegments = mSegmentLengths.length;
    List<Vector3> newPoints = Collections.synchronizedList(new CopyOnWriteArrayList<Vector3>());
    // -- add first control point
    newPoints.add(mPoints.get(0));
    // -- add first point
    Vector3 point = new Vector3();
    calculatePoint(point, 0);
    newPoints.add(point);
    double currentLength = 0;
    for (int i = 1; i < numSegments; i++) {
        currentLength += mSegmentLengths[i];
        if (currentLength >= segmentDistance) {
            point = new Vector3();
            calculatePoint(point, (double) i / (double) (numSegments - 1));
            newPoints.add(point);
            currentLength = 0;
        }
    }
    // -- add last point
    point = new Vector3();
    calculatePoint(point, 1);
    newPoints.add(point);
    // -- add last control point
    newPoints.add(mPoints.get(mPoints.size() - 1));
    // -- scale control point 1
    Vector3 controlPoint = Vector3.subtractAndCreate(mPoints.get(1), mPoints.get(0));
    double oldDistance = mPoints.get(1).distanceTo(mPoints.get(2));
    double newDistance = newPoints.get(1).distanceTo(newPoints.get(2));
    controlPoint.multiply(newDistance / oldDistance);
    newPoints.set(0, Vector3.subtractAndCreate(mPoints.get(1), controlPoint));
    // -- scale control point 2
    controlPoint = Vector3.subtractAndCreate(mPoints.get(mPoints.size() - 2), mPoints.get(mPoints.size() - 1));
    oldDistance = mPoints.get(mPoints.size() - 2).distanceTo(mPoints.get(mPoints.size() - 3));
    newDistance = newPoints.get(newPoints.size() - 2).distanceTo(newPoints.get(newPoints.size() - 3));
    controlPoint.multiply(newDistance / oldDistance);
    newPoints.set(newPoints.size() - 1, Vector3.subtractAndCreate(mPoints.get(mPoints.size() - 2), controlPoint));
    mPoints = newPoints;
    mNumPoints = mPoints.size();
}

Example 58 with Vector3

use of org.rajawali3d.math.vector.Vector3 in project Rajawali by Rajawali.

the class SVGPath method inspectValues.

private void inspectValues(CompoundCurve3D bezierPath, String values) {
    String[] vals = values.split(",");
    Vector3 c, p, cp1, cp2;
    if (vals.length == 0)
        throw new RuntimeException("Empty values found.");
    switch(mCurrentCommand) {
        case MOVE_TO:
            c = new Vector3(Double.parseDouble(vals[0]), -Double.parseDouble(vals[1]), 0);
            p = mCurrentCommandIsRelative ? c.addAndSet(mPreviousPoint, c) : c;
            break;
        case VERTICAL:
            c = new Vector3(0, -Double.parseDouble(vals[0]), 0);
            if (mCurrentCommandIsRelative)
                p = c.addAndSet(mPreviousPoint, c);
            else {
                c.x = mPreviousPoint.x;
                p = c;
            }
            bezierPath.addCurve(new LinearBezierCurve3D(mPreviousPoint.clone(), p));
            break;
        case HORIZONTAL:
            c = new Vector3(Double.parseDouble(vals[0]), 0, 0);
            if (mCurrentCommandIsRelative)
                p = c.addAndSet(mPreviousPoint, c);
            else {
                c.y = mPreviousPoint.y;
                p = c;
            }
            bezierPath.addCurve(new LinearBezierCurve3D(mPreviousPoint.clone(), p));
            break;
        case CURVE_TO:
            c = new Vector3(Double.parseDouble(vals[4]), -Double.parseDouble(vals[5]), 0);
            p = mCurrentCommandIsRelative ? c.addAndSet(mPreviousPoint, c) : c;
            cp1 = new Vector3(Double.parseDouble(vals[0]), -Double.parseDouble(vals[1]), 0);
            if (mCurrentCommandIsRelative)
                cp1.add(mPreviousPoint);
            cp2 = new Vector3(Double.parseDouble(vals[2]), -Double.parseDouble(vals[3]), 0);
            if (mCurrentCommandIsRelative)
                cp2.add(mPreviousPoint);
            mPreviousControlPoint.setAll(cp2);
            bezierPath.addCurve(new CubicBezierCurve3D(mPreviousPoint.clone(), cp1, cp2, p));
            break;
        case SMOOTH_CURVE_TO:
            c = new Vector3(Double.parseDouble(vals[2]), -Double.parseDouble(vals[3]), 0);
            p = mCurrentCommandIsRelative ? c.addAndSet(mPreviousPoint, c) : c;
            cp1 = reflect(mPreviousControlPoint, mPreviousPoint);
            cp2 = new Vector3(Double.parseDouble(vals[0]), -Double.parseDouble(vals[1]), 0);
            if (mCurrentCommandIsRelative)
                cp2.add(mPreviousPoint);
            bezierPath.addCurve(new CubicBezierCurve3D(mPreviousPoint.clone(), cp1, cp2, p));
            break;
        case LINE_TO:
            c = new Vector3(Double.parseDouble(vals[0]), -Double.parseDouble(vals[1]), 0);
            p = mCurrentCommandIsRelative ? c.addAndSet(mPreviousPoint, c) : c;
            bezierPath.addCurve(new LinearBezierCurve3D(mPreviousPoint.clone(), p));
            break;
        default:
            return;
    }
    if (bezierPath.getNumCurves() == 0)
        mStartPoint.setAll(p);
    mPreviousPoint.setAll(p);
}

Example 59 with Vector3

use of org.rajawali3d.math.vector.Vector3 in project Rajawali by Rajawali.

the class DebugBoundingBox method updateBoundingBox.

public void updateBoundingBox(BoundingBox boundingBox) {
    if (mBBoxVertices == null) {
        mBBoxVertices = new Vector3[8];
        mPoints = new Stack<>();
        for (int i = 0; i < 16; i++) {
            mPoints.push(new Vector3());
            if (i < 8)
                mBBoxVertices[i] = new Vector3();
        }
        init(true);
        getGeometry().changeBufferUsage(mGeometry.getVertexBufferInfo(), GLES20.GL_DYNAMIC_DRAW);
        setMaterial(new Material());
    }
    updateBox(boundingBox);
}

Example 60 with Vector3

use of org.rajawali3d.math.vector.Vector3 in project Rajawali by Rajawali.

the class DebugCamera method updateFrustum.

public void updateFrustum() {
    mCamera.setProjectionMatrix(mRenderer.getOverrideViewportWidth(), mRenderer.getOverrideViewportHeight());
    if (mPoints == null) {
        if (!mCamera.isInitialized()) {
            return;
        }
        mPoints = new Stack<>();
        mFrustumCornersTransformed = new Vector3[8];
        for (int i = 0; i < 16; i++) {
            if (i < 8)
                mFrustumCornersTransformed[i] = new Vector3();
            mPoints.push(new Vector3());
        }
        init(true);
        getGeometry().changeBufferUsage(mGeometry.getVertexBufferInfo(), GLES20.GL_DYNAMIC_DRAW);
        setMaterial(mMaterial);
    }
    mCamera.getFrustumCorners(mFrustumCornersTransformed, true, true);
    FloatBuffer b = mGeometry.getVertices();
    int index = 0;
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[0]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[1]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[2]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[3]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[0]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[4]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[5]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[1]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[5]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[6]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[2]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[6]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[7]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[3]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[7]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[4]);
    mGeometry.changeBufferData(mGeometry.getVertexBufferInfo(), mGeometry.getVertices(), 0);
}