List of lookAt() Examples

Examples of lookAt()

com.ardor3d.math.Matrix3.lookAt()
Modifies this matrix to equal the rotation required to point the z-axis at 'direction' and the y-axis to 'up'. @param direction where to 'look' at @param up a vector indicating the local up direction. @return this matrix for chaining
com.ardor3d.math.Quaternion.lookAt()
Modifies this quaternion to equal the rotation required to point the z-axis at 'direction' and the y-axis to 'up'. @param direction where to 'look' at @param up a vector indicating the local up direction. @return this quaternion for chaining.
com.ardor3d.renderer.Camera.lookAt()
A convenience method for auto-setting the frame based on a world position the user desires the camera to look at. It points the camera towards the given position using the difference between that position and the current camera location as a direction vector and the general worldUpVector to compute up and left camera vectors. @param pos where to look at in terms of world coordinates @param worldUpVector a normalized vector indicating the up direction of the world. (often {@link Vector3#UNIT_Y} or{@link Vector3#UNIT_Z})
com.jme.math.Quaternion.lookAt()
com.jme.scene.shape.Arrow.lookAt()
com.jme3.math.Quaternion.lookAt()
lookAt is a convienence method for auto-setting the quaternion based on a direction and an up vector. It computes the rotation to transform the z-axis to point into 'direction' and the y-axis to 'up'. @param direction where to look at in terms of local coordinates @param up a vector indicating the local up direction. (typically {0, 1, 0} in jME.)
com.jme3.renderer.Camera.lookAt()
lookAt is a convienence method for auto-setting the frame based on a world position the user desires the camera to look at. It repoints the camera towards the given position using the difference between the position and the current camera location as a direction vector and the worldUpVector to compute up and left camera vectors. @param pos where to look at in terms of world coordinates @param worldUpVector a normalized vector indicating the up direction of the world.(typically {0, 1, 0} in jME.)
com.jme3.scene.CameraNode.lookAt()
lookAt is a convienence method for auto-setting the quaternion based on a direction and an up vector. It computes the rotation to transform the z-axis to point into 'direction' and the y-axis to 'up'. @param direction where to look at in terms of local coordinates @param up a vector indicating the local up direction. (typically {0, 1, 0} in jME.)
javax.media.j3d.Transform3D.lookAt()
Helping function that specifies the position and orientation of a view matrix. The inverse of this transform can be used to control the ViewPlatform object within the scene graph. @param eye the location of the eye @param center a point in the virtual world where the eye is looking @param up an up vector specifying the frustum's up direction

Examples of com.ardor3d.renderer.Camera.lookAt()


            _controlHandle.setUpAxis(upAxis);


            final Camera cam = _canvas.getCanvasRenderer().getCamera();
            cam.setLocation(vec);
            cam.lookAt(center, upAxis);
            final double near = Math.max(radius / 50.0, 0.25);
            final double far = Math.min(radius * 5, 10000.0);
            cam.setFrustumPerspective(50.0, cam.getWidth() / (double) cam.getHeight(), near, far);
            cam.update();

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Examples of com.ardor3d.renderer.Camera.lookAt()

    protected void initExample() {
        // Setup main camera.
        _canvas.setTitle("Terrain Example");
        final Camera canvasCamera = _canvas.getCanvasRenderer().getCamera();
        canvasCamera.setLocation(new Vector3(2176, 790, 688));
        canvasCamera.lookAt(new Vector3(canvasCamera.getLocation()).addLocal(-0.87105768019686, -0.4349655341112313,
                0.22817427967541867), Vector3.UNIT_Y);
        canvasCamera.setFrustumPerspective(45.0, (float) _canvas.getCanvasRenderer().getCamera().getWidth()
                / _canvas.getCanvasRenderer().getCamera().getHeight(), 1.0f, farPlane);
        final CanvasRenderer canvasRenderer = _canvas.getCanvasRenderer();
        final RenderContext renderContext = canvasRenderer.getRenderContext();

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Examples of com.ardor3d.renderer.Camera.lookAt()

        });


        // set camera
        final Camera cam = _canvas.getCanvasRenderer().getCamera();
        cam.setLocation(280, 372, -280);
        cam.lookAt(new Vector3(250, 350, -280), Vector3.UNIT_Y);
        cam.setFrustumPerspective(50.0, cam.getWidth() / (double) cam.getHeight(), .25, 900);
        cam.update();


        // speed up wasd control a little
        _controlHandle.setMoveSpeed(200);

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Examples of com.ardor3d.renderer.Camera.lookAt()

        });


        // set camera
        final Camera cam = _canvas.getCanvasRenderer().getCamera();
        cam.setLocation(197, 113, -126);
        cam.lookAt(new Vector3(157, 91, -174), Vector3.UNIT_Y);
        cam.setFrustumPerspective(45.0, cam.getWidth() / (double) cam.getHeight(), .25, 900);
        cam.update();


        // speed up wasd control a little
        _controlHandle.setMoveSpeed(200);

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Examples of com.ardor3d.renderer.Camera.lookAt()

        });


        // set camera
        final Camera cam = _canvas.getCanvasRenderer().getCamera();
        cam.setLocation(280, 372, -280);
        cam.lookAt(new Vector3(250, 350, -280), Vector3.UNIT_Y);
        cam.setFrustumPerspective(50.0, cam.getWidth() / (double) cam.getHeight(), .25, 900);
        cam.update();


        // speed up wasd control a little
        _controlHandle.setMoveSpeed(200);

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Examples of com.ardor3d.renderer.Camera.lookAt()

    @Override
    protected void initExample() {
        _canvas.setTitle("Terrain Example");
        final Camera cam = _canvas.getCanvasRenderer().getCamera();
        cam.setLocation(new Vector3(440, 215, 275));
        cam.lookAt(new Vector3(450, 140, 360), Vector3.UNIT_Y);
        cam.setFrustumPerspective(70.0, (float) cam.getWidth() / cam.getHeight(), 1.0f, farPlane);
        final CanvasRenderer canvasRenderer = _canvas.getCanvasRenderer();
        final RenderContext renderContext = canvasRenderer.getRenderContext();
        final Renderer renderer = canvasRenderer.getRenderer();
        GameTaskQueueManager.getManager(renderContext).getQueue(GameTaskQueue.RENDER).enqueue(new Callable<Void>() {

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Examples of com.ardor3d.renderer.Camera.lookAt()

        tmpVec.multiplyLocal(distance);
        tmpVec.addLocal(center);


        // temporary location
        shadowCam.setLocation(tmpVec);
        shadowCam.lookAt(center, Vector3.UNIT_Y);


        {
            // determine
            final double texelSizeW = (2 * radius) / _shadowMapRenderer.getWidth();
            final double texelSizeH = (2 * radius) / _shadowMapRenderer.getHeight();

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Examples of com.ardor3d.renderer.Camera.lookAt()

        final PointLight pl = (PointLight) _light;


        shadowCam.setLocation(pl.getLocation());


        // Point light at split center
        shadowCam.lookAt(center, Vector3.UNIT_Y);


        // Reset frustum
        distance = center.subtract(shadowCam.getLocation(), tmpVec).length();
        shadowCam.setFrustum(1, distance, -1, 1, 1, -1);

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Examples of com.ardor3d.renderer.Camera.lookAt()

        position.set((fMinX + fMaxX) * 0.5, (fMinY + fMaxY) * 0.5, 1.0, 1);
        shadowCam.getModelViewProjectionInverseMatrix().applyPre(position, position);
        position.divideLocal(position.getW());
        newCenter.set(position.getX(), position.getY(), position.getZ());


        shadowCam.lookAt(newCenter, Vector3.UNIT_Y);


        Vector3.releaseTempInstance(newCenter);
        Vector4.releaseTempInstance(position);


        shadowCam.setFrustum(fMinZ, fMaxZ, -width, width, height, -height);

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Examples of com.jme.math.Quaternion.lookAt()

        Quaternion rotation = cell.getWorldTransform().getRotation(null);
        Vector3f lookVec = CellPlacementUtils.getLookDirection(rotation, null);


        // translate into a quaternion using lookAt
        Quaternion look = new Quaternion();
        look.lookAt(lookVec.negate(), Vector3f.UNIT_Y);


        // find the origin by translating the look vector
        Vector3f origin = lookVec.mult(distance);
        origin.addLocal(cell.getWorldTransform().getTranslation(null));
        return new CellTransform(look, origin);

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