Examples with Vector2 com.badlogic.gdx.math.Vector2 used on opensource projects

Example 51 with Vector2

use of com.badlogic.gdx.math.Vector2 in project Entitas-Java by Rubentxu.

the class Box2DUtils method vertices.

/**
     * @return the vertices of the given Shape
     */
public static Vector2[] vertices(Shape shape, Vector2[] output) {
    if (shapeCache.containsKey(shape))
        return output = shapeCache.get(shape).vertices;
    else {
        switch(shape.getType()) {
            case Polygon:
                PolygonShape polygonShape = (PolygonShape) shape;
                output = new Vector2[polygonShape.getVertexCount()];
                for (int i = 0; i < output.length; i++) {
                    output[i] = new Vector2();
                    polygonShape.getVertex(i, output[i]);
                }
                break;
            case Edge:
                EdgeShape edgeShape = (EdgeShape) shape;
                edgeShape.getVertex1(tmpVec);
                edgeShape.getVertex2(tmpVec2);
                output = new Vector2[] { tmpVec, tmpVec2 };
                break;
            case Chain:
                ChainShape chainShape = (ChainShape) shape;
                output = new Vector2[chainShape.getVertexCount()];
                for (int i = 0; i < output.length; i++) {
                    output[i] = new Vector2();
                    chainShape.getVertex(i, output[i]);
                }
                break;
            case Circle:
                CircleShape circleShape = (CircleShape) shape;
                output = new Vector2[] { // top left
                new Vector2(circleShape.getPosition().x - circleShape.getRadius(), circleShape.getPosition().y + circleShape.getRadius()), // bottom left
                new Vector2(circleShape.getPosition().x - circleShape.getRadius(), circleShape.getPosition().y - circleShape.getRadius()), // bottom right
                new Vector2(circleShape.getPosition().x + circleShape.getRadius(), circleShape.getPosition().y - circleShape.getRadius()), // top right
                new Vector2(circleShape.getPosition().x + circleShape.getRadius(), circleShape.getPosition().y + circleShape.getRadius()) };
                break;
            default:
                throw new IllegalArgumentException("Shapes of the type '" + shape.getType().name() + "' are not supported");
        }
        if (autoShapeCache && shapeCache.size < autoShapeCacheMaxSize) {
            Vector2[] cachedOutput = new Vector2[output.length];
            System.arraycopy(output, 0, cachedOutput, 0, output.length);
            shapeCache.put(shape, new ShapeCache(cachedOutput, amplitude(filterX(cachedOutput)), amplitude(filterY(cachedOutput)), min(filterX(cachedOutput)), max(filterX(cachedOutput)), min(filterY(cachedOutput)), max(filterY(cachedOutput))));
        }
        return output;
    }
}

Example 52 with Vector2

use of com.badlogic.gdx.math.Vector2 in project Entitas-Java by Rubentxu.

the class Box2DUtils method vertices.

/**
     * @return the vertices of the given Shape
     */
public static Vector2[] vertices(Shape shape, Vector2[] output) {
    if (shapeCache.containsKey(shape))
        return output = shapeCache.get(shape).vertices;
    else {
        switch(shape.getType()) {
            case Polygon:
                PolygonShape polygonShape = (PolygonShape) shape;
                output = new Vector2[polygonShape.getVertexCount()];
                for (int i = 0; i < output.length; i++) {
                    output[i] = new Vector2();
                    polygonShape.getVertex(i, output[i]);
                }
                break;
            case Edge:
                EdgeShape edgeShape = (EdgeShape) shape;
                edgeShape.getVertex1(tmpVec);
                edgeShape.getVertex2(tmpVec2);
                output = new Vector2[] { tmpVec, tmpVec2 };
                break;
            case Chain:
                ChainShape chainShape = (ChainShape) shape;
                output = new Vector2[chainShape.getVertexCount()];
                for (int i = 0; i < output.length; i++) {
                    output[i] = new Vector2();
                    chainShape.getVertex(i, output[i]);
                }
                break;
            case Circle:
                CircleShape circleShape = (CircleShape) shape;
                output = new Vector2[] { // top left
                new Vector2(circleShape.getPosition().x - circleShape.getRadius(), circleShape.getPosition().y + circleShape.getRadius()), // bottom left
                new Vector2(circleShape.getPosition().x - circleShape.getRadius(), circleShape.getPosition().y - circleShape.getRadius()), // bottom right
                new Vector2(circleShape.getPosition().x + circleShape.getRadius(), circleShape.getPosition().y - circleShape.getRadius()), // top right
                new Vector2(circleShape.getPosition().x + circleShape.getRadius(), circleShape.getPosition().y + circleShape.getRadius()) };
                break;
            default:
                throw new IllegalArgumentException("Shapes of the type '" + shape.getType().name() + "' are not supported");
        }
        if (autoShapeCache && shapeCache.size < autoShapeCacheMaxSize) {
            Vector2[] cachedOutput = new Vector2[output.length];
            System.arraycopy(output, 0, cachedOutput, 0, output.length);
            shapeCache.put(shape, new ShapeCache(cachedOutput, amplitude(filterX(cachedOutput)), amplitude(filterY(cachedOutput)), min(filterX(cachedOutput)), max(filterX(cachedOutput)), min(filterY(cachedOutput)), max(filterY(cachedOutput))));
        }
        return output;
    }
}

Example 53 with Vector2

use of com.badlogic.gdx.math.Vector2 in project Entitas-Java by Rubentxu.

the class InputManagerGDX method touchUp.

@Override
public boolean touchUp(int screenX, int screenY, int pointer, int button) {
    int indexPointer = (mouse) ? button : pointer;
    //set the state of all touch state events
    if (indexPointer < inputStateData.pointerStates.length) {
        PointerState<Vector2, Vector3> t = inputStateData.pointerStates[indexPointer];
        t.worldCoordinates.set(screenX, screenY, 0);
        camera.unproject(t.worldCoordinates);
        t.down = false;
        t.released = true;
        t.clickTime = 0;
        t.coordinates.x = t.worldCoordinates.x;
        t.coordinates.y = t.worldCoordinates.y;
        if (joints[indexPointer] != null) {
            physics.destroyJoint(joints[indexPointer]);
            joints[indexPointer] = null;
        }
    }
    return false;
}

Example 54 with Vector2

use of com.badlogic.gdx.math.Vector2 in project Entitas-Java by Rubentxu.

the class InputManagerGDX method touchDown.

@Override
public boolean touchDown(int screenX, int screenY, int pointer, int button) {
    int indexPointer = (mouse) ? button : pointer;
    //set the state of all touch state events
    if (indexPointer < inputStateData.pointerStates.length) {
        PointerState<Vector2, Vector3> t = inputStateData.pointerStates[indexPointer];
        t.down = true;
        t.pressed = true;
        //recording last position for displacement values
        t.lastPosition.x = t.coordinates.x;
        t.lastPosition.y = t.coordinates.y;
        t.worldCoordinates.set(screenX, screenY, 0);
        camera.unproject(t.worldCoordinates);
        //store the coordinates of this touch event
        t.coordinates.x = t.worldCoordinates.x;
        t.coordinates.y = t.worldCoordinates.y;
        physics.QueryAABB(queryCallback, t.coordinates.x, t.coordinates.y, t.coordinates.x, t.coordinates.y);
    }
    return false;
}

Example 55 with Vector2

use of com.badlogic.gdx.math.Vector2 in project RubeLoader by tescott.

the class RubeLoaderTest method createPolySpatialsFromRubeFixtures.

/**
    * Creates an array of PolySpatials based on fixture information from the scene. Note that
    * fixtures create aligned textures.
    * 
    * @param scene
    */
private void createPolySpatialsFromRubeFixtures(RubeScene scene) {
    Array<Body> bodies = scene.getBodies();
    EarClippingTriangulator ect = new EarClippingTriangulator();
    if ((bodies != null) && (bodies.size > 0)) {
        polySpatials = new Array<PolySpatial>();
        Vector2 bodyPos = new Vector2();
        // for each body in the scene...
        for (int i = 0; i < bodies.size; i++) {
            Body body = bodies.get(i);
            bodyPos.set(body.getPosition());
            Array<Fixture> fixtures = body.getFixtureList();
            if ((fixtures != null) && (fixtures.size > 0)) {
                // for each fixture on the body...
                for (int j = 0; j < fixtures.size; j++) {
                    Fixture fixture = fixtures.get(j);
                    String textureName = (String) scene.getCustom(fixture, "TextureMask", null);
                    if (textureName != null) {
                        String textureFileName = "data/" + textureName;
                        Texture texture = textureMap.get(textureFileName);
                        TextureRegion textureRegion = null;
                        if (texture == null) {
                            texture = new Texture(textureFileName);
                            texture.setWrap(TextureWrap.Repeat, TextureWrap.Repeat);
                            textureMap.put(textureFileName, texture);
                            textureRegion = new TextureRegion(texture);
                            textureRegionMap.put(texture, textureRegion);
                        } else {
                            textureRegion = textureRegionMap.get(texture);
                        }
                        // only handle polygons at this point -- no chain, edge, or circle fixtures.
                        if (fixture.getType() == Shape.Type.Polygon) {
                            PolygonShape shape = (PolygonShape) fixture.getShape();
                            int vertexCount = shape.getVertexCount();
                            float[] vertices = new float[vertexCount * 2];
                            // static bodies are texture aligned and do not get drawn based off of the related body.
                            if (body.getType() == BodyType.StaticBody) {
                                for (int k = 0; k < vertexCount; k++) {
                                    shape.getVertex(k, mTmp);
                                    mTmp.rotate(body.getAngle() * MathUtils.radiansToDegrees);
                                    // convert local coordinates to world coordinates to that textures are
                                    mTmp.add(bodyPos);
                                    // aligned
                                    vertices[k * 2] = mTmp.x * PolySpatial.PIXELS_PER_METER;
                                    vertices[k * 2 + 1] = mTmp.y * PolySpatial.PIXELS_PER_METER;
                                }
                                short[] triangleIndices = ect.computeTriangles(vertices).toArray();
                                PolygonRegion region = new PolygonRegion(textureRegion, vertices, triangleIndices);
                                PolySpatial spatial = new PolySpatial(region, Color.WHITE);
                                polySpatials.add(spatial);
                            } else {
                                // all other fixtures are aligned based on their associated body.
                                for (int k = 0; k < vertexCount; k++) {
                                    shape.getVertex(k, mTmp);
                                    vertices[k * 2] = mTmp.x * PolySpatial.PIXELS_PER_METER;
                                    vertices[k * 2 + 1] = mTmp.y * PolySpatial.PIXELS_PER_METER;
                                }
                                short[] triangleIndices = ect.computeTriangles(vertices).toArray();
                                PolygonRegion region = new PolygonRegion(textureRegion, vertices, triangleIndices);
                                PolySpatial spatial = new PolySpatial(region, body, Color.WHITE);
                                polySpatials.add(spatial);
                            }
                        }
                    }
                }
            }
        }
    }
}