Example usage for com.badlogic.gdx.graphics Camera update

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics Camera update.

Prototype

public abstract void update();

Source Link

Document

Recalculates the projection and view matrix of this camera and the Frustum planes.

Usage

From source file:com.badlogic.gdx.tests.dragome.examples.GearsDemo.java

public void resize(int width, int height) {
    viewport.update(width, height, false);
    guiViewport.update(width, height, true);
    Camera guiCam = guiViewport.getCamera();
    guiCam.update();
    batch.setProjectionMatrix(guiCam.combined);
}

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From source file:com.badlogic.gdx.tests.g3d.shadows.system.BaseShadowSystem.java

License:Apache License

/** Set viewport according to allocator.
 * @param lp LightProperties to process.
 * @param cameraViewport Set camera viewport if true. */
protected void processViewport(LightProperties lp, boolean cameraViewport) {
    Camera camera = lp.camera;
    ShadowMapRegion r = allocator.nextResult(currentLight);

    if (r == null)
        return;/* w  w  w .  j  a  v a2 s .c  o  m*/

    TextureRegion region = lp.region;
    region.setTexture(frameBuffers[currentPass].getColorBufferTexture());

    // We don't use HdpiUtils
    // gl commands related to shadow map size and not to screen size
    Gdx.gl.glViewport(r.x, r.y, r.width, r.height);
    Gdx.gl.glScissor(r.x + 1, r.y + 1, r.width - 2, r.height - 2);
    region.setRegion(r.x, r.y, r.width, r.height);

    if (cameraViewport) {
        camera.viewportHeight = r.height;
        camera.viewportWidth = r.width;
        camera.update();
    }
}

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From source file:com.badlogic.gdx.tests.g3d.shadows.utils.AABBNearFarAnalyzer.java

License:Apache License

/** Initialize camera before computation.
 * @param camera Camera to compute. */
protected void prepareCamera(Camera camera) {
    camera.near = AABBNearFarAnalyzer.CAMERA_NEAR;
    camera.far = AABBNearFarAnalyzer.CAMERA_FAR;
    camera.update();
}

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From source file:com.badlogic.gdx.tests.g3d.shadows.utils.AABBNearFarAnalyzer.java

License:Apache License

/** Compute final result.
 * @param bb BoundingBox encompassing instances
 * @param camera Camera to compute */
protected void computeResult(BoundingBox bb, Camera camera) {
    // Radius//  w  w  w .  j a  va  2  s  .c om
    float radius = bb1.getDimensions(tmpV).len() * 0.5f;

    // Center
    bb1.getCenter(tmpV);

    // Computation
    float distance = tmpV.dst(camera.position);
    float near = distance - radius;
    float far = distance + radius;

    if (near <= 0)
        near = CAMERA_NEAR;
    if (far <= 0)
        far = CAMERA_FAR;

    camera.near = near;
    camera.far = far;
    camera.update();
}

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From source file:com.binarytenshi.nopassing.state.MainGameScreen.java

@Override
public void render(float delta) {
    Camera camera = CameraHandler.getCamera();
    SpriteBatch batch = NoPassing.getSpriteBatch();
    Rectangle viewport = CameraHandler.getViewport();

    camera.update();
    camera.apply(Gdx.gl10);/*from  www  .j a  v  a  2 s. co m*/

    Gdx.gl.glClearColor(0, 0, 0, 0);
    Gdx.gl.glViewport((int) viewport.x, (int) viewport.y, (int) viewport.width, (int) viewport.height);
    Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);

    batch.setProjectionMatrix(camera.combined);

    batch.begin();
    MapHandler.draw(batch);
    batch.end();

    SplineHandler.drawSplines();
}

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From source file:com.binarytenshi.nopassing.state.MenuGameScreen.java

@Override
public void render(float delta) {
    Camera camera = CameraHandler.getCamera();
    Rectangle viewport = CameraHandler.getViewport();

    camera.update();
    camera.apply(Gdx.gl10);// w w  w .j  ava2 s. c  o  m

    Gdx.gl.glClearColor(0, 0, 0, 0);
    Gdx.gl.glViewport((int) viewport.x, (int) viewport.y, (int) viewport.width, (int) viewport.height);
    Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);

    float w = camera.viewportWidth;
    float h = camera.viewportHeight;

    stage.setViewport(w, h);
    background.setBounds(0, 0, w, h);

    stage.draw();
}

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From source file:com.game.HelloWorld.java

License:Apache License

@Override
public void render() {

    GL10 gl = Gdx.graphics.getGL10();//  w ww . j a  v  a2s .c  om

    Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);

    this.mCamera.apply(gl);
    this.mTileMapRenderer.render((OrthographicCamera) mRenderTree.getStage().getCamera());

    if (Gdx.input.isTouched() && !isCollision(Gdx.graphics.getWidth() / 2, Gdx.graphics.getHeight() / 2)) {

        Vector3 position = new Vector3(mInputX, mInputY, 0);
        Camera camera = mRenderTree.getStage().getCamera();
        float deplacementX = (float) (directionPerso.x * mcharSpeed);
        float deplacementY = (float) (directionPerso.y * mcharSpeed);

        mRenderTree.getStage().findActor("mainChar").x += deplacementX;
        camera.translate(deplacementX, 0f, 0f);

        mRenderTree.getStage().findActor("mainChar").y += deplacementY;
        camera.translate(0f, deplacementY, 0f);

        if (deplacementX > 0.0f || deplacementY > 0.0f) {
            halfSec += Gdx.graphics.getDeltaTime();
            if (halfSec > 0.3f) {
                if (directionPerso.x >= 0.5) {
                    mSpriteN = 6 + (++mMainCharSpriteState) % 3;
                } else if (directionPerso.x <= -0.5) {
                    mSpriteN = 3 + (++mMainCharSpriteState) % 3;
                } else if (directionPerso.y >= 0.5) {
                    mSpriteN = 9 + (++mMainCharSpriteState) % 3;
                } else {
                    mSpriteN = (++mMainCharSpriteState) % 3;
                }
                halfSec = 0.0f;
            }
        }

        camera.update();
        camera.apply(gl);
    }

    //stage.draw();
    mRenderTree.draw();

    mMainCharBatch.begin();
    mMainCharBatch.draw(mMainCharRegions[mSpriteN], (Gdx.graphics.getWidth() / 2) - 16,
            (Gdx.graphics.getHeight() / 2) - 16, 32, 32);
    mMainCharBatch.end();

}

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From source file:com.jmolina.orb.stages.ParallaxStage.java

License:Open Source License

/**
 * Mtodo de dibujo de {@link Stage#draw()} modificado para que vare la cmara de cada capa.
 *
 * @param layer Capa/*from w  w  w .  j  ava  2  s . c o m*/
 * @param speed Velocidad de movimiento de la camara para la capa
 * @param x Posicion actual X
 * @param y Posicion actual Y
 */
private void drawLayer(TiledLayer layer, float speed, float x, float y) {
    Camera camera = getViewport().getCamera();
    camera.position.x = x * pixelsPerMeter * speed;
    camera.position.y = y * pixelsPerMeter * speed;
    camera.update();

    if (!getRoot().isVisible())
        return;

    Batch batch = getBatch();

    if (batch != null) {
        batch.setProjectionMatrix(camera.combined);
        batch.begin();
        layer.draw(batch, 1);
        batch.end();
    }
}

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From source file:com.lyeeedar.Roguelike3D.Game.Actor.AI_Enemy_VFFG.java

License:Open Source License

public Bag<GameActor> getVisibleActors() {
    Camera cam = new PerspectiveCamera();
    cam.position.set(actor.position);//w w  w  . j  a  v  a2 s . co  m
    cam.direction.set(actor.rotation);
    cam.near = VIEW_NEAR;
    cam.far = VIEW_FAR;
    cam.update();

    Bag<GameActor> actors = new Bag<GameActor>();

    //      for (GameActor ga : GameData.level.getActors())
    //      {
    //         if (actor.getPosition().dst2(ga.getPosition()) < VIEW_FAR)
    //         {
    //            Ray ray = new Ray(actor.getPosition(), ga.getPosition().tmp().sub(actor.getPosition()).nor());
    //            if (!GameData.level.checkLevelCollisionRay(ray, ga.getPosition().dst2(actor.getPosition()))) actors.add(ga);
    //         }
    //      }

    return actors;
}

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From source file:com.microbasic.sm.tools.FrameBufferCubeMap.java

License:Apache License

/**
 * Binds the frame buffer and sets the viewport accordingly, so everything gets drawn to it.
 * /*from   w  w w. jav  a 2 s.co  m*/
 * @param side
 *            the side of the cube we are currently drawing on
 * @param camera
 *            adjust camera properties for this side
 */
public void begin(final Cubemap.CubemapSide side, final Camera camera) {
    begin(side.glEnum);
    if (camera != null) {
        switch (side) {
        case NegativeX:
            camera.up.set(0, -1, 0);
            camera.direction.set(-1, 0, 0);
            break;
        case NegativeY:
            camera.up.set(0, 0, -1);
            camera.direction.set(0, -1, 0);
            break;
        case NegativeZ:
            camera.up.set(0, -1, 0);
            camera.direction.set(0, 0, -1);
            break;
        case PositiveX:
            camera.up.set(0, -1, 0);
            camera.direction.set(1, 0, 0);
            break;
        case PositiveY:
            camera.up.set(0, 0, 1);
            camera.direction.set(0, 1, 0);
            break;
        case PositiveZ:
            camera.up.set(0, -1, 0);
            camera.direction.set(0, 0, 1);
            break;
        default:
            break;
        }
        camera.update();
    }
}

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