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

Example 11 with Vector2

use of com.badlogic.gdx.math.Vector2 in project libgdx by libgdx.

the class KinematicBodyTest method create.

public void create() {
    cam = new OrthographicCamera(48, 32);
    cam.position.set(0, 15, 0);
    renderer = new Box2DDebugRenderer();
    world = new World(new Vector2(0, -10), true);
    Body body = world.createBody(new BodyDef());
    CircleShape shape = new CircleShape();
    shape.setRadius(1f);
    MassData mass = new MassData();
    mass.mass = 1f;
    body.setMassData(mass);
    body.setFixedRotation(true);
    body.setType(BodyType.KinematicBody);
    body.createFixture(shape, 1);
    body.setBullet(true);
    body.setTransform(new Vector2(0, 0), body.getAngle());
    body.setLinearVelocity(new Vector2(50f, 0));
}

Example 12 with Vector2

use of com.badlogic.gdx.math.Vector2 in project libgdx by libgdx.

the class ReflectionTest method create.

@Override
public void create() {
    font = new BitmapFont();
    batch = new SpriteBatch();
    try {
        Vector2 fromDefaultConstructor = ClassReflection.newInstance(Vector2.class);
        println("From default constructor: " + fromDefaultConstructor);
        Method mSet = ClassReflection.getMethod(Vector2.class, "set", float.class, float.class);
        mSet.invoke(fromDefaultConstructor, 10, 11);
        println("Set to 10/11: " + fromDefaultConstructor);
        Constructor copyConstroctor = ClassReflection.getConstructor(Vector2.class, Vector2.class);
        Vector2 fromCopyConstructor = (Vector2) copyConstroctor.newInstance(fromDefaultConstructor);
        println("From copy constructor: " + fromCopyConstructor);
        Method mMul = ClassReflection.getMethod(Vector2.class, "scl", float.class);
        println("Multiplied by 2; " + mMul.invoke(fromCopyConstructor, 2));
        Method mNor = ClassReflection.getMethod(Vector2.class, "nor");
        println("Normalized: " + mNor.invoke(fromCopyConstructor));
        Vector2 fieldCopy = new Vector2();
        Field fx = ClassReflection.getField(Vector2.class, "x");
        Field fy = ClassReflection.getField(Vector2.class, "y");
        fx.set(fieldCopy, fx.get(fromCopyConstructor));
        fy.set(fieldCopy, fy.get(fromCopyConstructor));
        println("Copied field by field: " + fieldCopy);
        Json json = new Json();
        String jsonString = json.toJson(fromCopyConstructor);
        Vector2 fromJson = json.fromJson(Vector2.class, jsonString);
        println("JSON serialized: " + jsonString);
        println("JSON deserialized: " + fromJson);
        fromJson.x += 1;
        fromJson.y += 1;
        println("JSON deserialized + 1/1: " + fromJson);
        Object array = ArrayReflection.newInstance(int.class, 5);
        ArrayReflection.set(array, 0, 42);
        println("Array int: length=" + ArrayReflection.getLength(array) + ", access=" + ArrayReflection.get(array, 0));
        array = ArrayReflection.newInstance(String.class, 5);
        ArrayReflection.set(array, 0, "test string");
        println("Array String: length=" + ArrayReflection.getLength(array) + ", access=" + ArrayReflection.get(array, 0));
    } catch (Exception e) {
        message = "FAILED: " + e.getMessage() + "\n";
        message += e.getClass();
    }
}

Example 13 with Vector2

use of com.badlogic.gdx.math.Vector2 in project libgdx by libgdx.

the class SelectTest method createDummies.

public static Array<Dummy> createDummies(int n) {
    float variance = 20;
    Array<Dummy> dummies = new Array<Dummy>();
    for (int i = 0; i < n; i++) {
        Dummy d = new Dummy();
        dummies.add(d);
        d.pos = new Vector2();
        d.id = nextID++;
    }
    return dummies;
}

Example 14 with Vector2

use of com.badlogic.gdx.math.Vector2 in project libgdx by libgdx.

the class TiledMapPacker method packTilesets.

/** Traverse the specified tilesets, optionally lookup the used ids and pass every tile image to the {@link TexturePacker},
	 * optionally ignoring unused tile ids */
private void packTilesets(FileHandle inputDirHandle, Settings texturePackerSettings) throws IOException {
    BufferedImage tile;
    Vector2 tileLocation;
    Graphics g;
    packer = new TexturePacker(texturePackerSettings);
    for (TiledMapTileSet set : tilesetsToPack.values()) {
        String tilesetName = set.getName();
        System.out.println("Processing tileset " + tilesetName);
        IntArray usedIds = this.settings.stripUnusedTiles ? getUsedIdsBucket(tilesetName, -1) : null;
        int tileWidth = set.getProperties().get("tilewidth", Integer.class);
        int tileHeight = set.getProperties().get("tileheight", Integer.class);
        int firstgid = set.getProperties().get("firstgid", Integer.class);
        String imageName = set.getProperties().get("imagesource", String.class);
        TileSetLayout layout = new TileSetLayout(firstgid, set, inputDirHandle);
        for (int gid = layout.firstgid, i = 0; i < layout.numTiles; gid++, i++) {
            boolean verbose = this.settings.verbose;
            if (usedIds != null && !usedIds.contains(gid)) {
                if (verbose) {
                    System.out.println("Stripped id #" + gid + " from tileset \"" + tilesetName + "\"");
                }
                continue;
            }
            tileLocation = layout.getLocation(gid);
            tile = new BufferedImage(tileWidth, tileHeight, BufferedImage.TYPE_4BYTE_ABGR);
            g = tile.createGraphics();
            g.drawImage(layout.image, 0, 0, tileWidth, tileHeight, (int) tileLocation.x, (int) tileLocation.y, (int) tileLocation.x + tileWidth, (int) tileLocation.y + tileHeight, null);
            if (verbose) {
                System.out.println("Adding " + tileWidth + "x" + tileHeight + " (" + (int) tileLocation.x + ", " + (int) tileLocation.y + ")");
            }
            // AtlasTmxMapLoader expects every tileset's index to begin at zero for the first tile in every tileset.
            // so the region's adjusted gid is (gid - layout.firstgid). firstgid will be added back in AtlasTmxMapLoader on load
            int adjustedGid = gid - layout.firstgid;
            final String separator = "_";
            String regionName = tilesetName + separator + adjustedGid;
            packer.addImage(tile, regionName);
        }
    }
    String tilesetOutputDir = outputDir.toString() + "/" + this.settings.tilesetOutputDirectory;
    File relativeTilesetOutputDir = new File(tilesetOutputDir);
    File outputDirTilesets = new File(relativeTilesetOutputDir.getCanonicalPath());
    outputDirTilesets.mkdirs();
    packer.pack(outputDirTilesets, this.settings.atlasOutputName + ".atlas");
}

Example 15 with Vector2

use of com.badlogic.gdx.math.Vector2 in project libgdx by libgdx.

the class Mesh method transformUV.

/** Method to transform the texture coordinates (UV) in the float array. This is a potentially slow operation, use with care.
	 * @param matrix the transformation matrix
	 * @param vertices the float array
	 * @param vertexSize the number of floats in each vertex
	 * @param offset the offset within a vertex to the texture location
	 * @param start the vertex to start with
	 * @param count the amount of vertices to transform */
public static void transformUV(final Matrix3 matrix, final float[] vertices, int vertexSize, int offset, int start, int count) {
    if (start < 0 || count < 1 || ((start + count) * vertexSize) > vertices.length)
        throw new IndexOutOfBoundsException("start = " + start + ", count = " + count + ", vertexSize = " + vertexSize + ", length = " + vertices.length);
    final Vector2 tmp = new Vector2();
    int idx = offset + (start * vertexSize);
    for (int i = 0; i < count; i++) {
        tmp.set(vertices[idx], vertices[idx + 1]).mul(matrix);
        vertices[idx] = tmp.x;
        vertices[idx + 1] = tmp.y;
        idx += vertexSize;
    }
}