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

Example 61 with Vector2

use of com.badlogic.gdx.math.Vector2 in project commons-gdx by gemserk.

the class SpatialHierarchicalImpl method setParent.

public void setParent(Spatial parent) {
    Vector2 position = getPosition();
    float angle = getAngle();
    this.parent = parent;
    setPosition(position.x, position.y);
    setAngle(angle);
}

Example 62 with Vector2

use of com.badlogic.gdx.math.Vector2 in project commons-gdx by gemserk.

the class SpatialPhysicsImpl method setAngle.

@Override
public void setAngle(float angle) {
    // TODO: fix this to update the position if it wasn't correctly set yet.
    Vector2 position = body.getPosition();
    body.setTransform(position.x, position.y, angle * MathUtils.degreesToRadians, false);
}

Example 63 with Vector2

use of com.badlogic.gdx.math.Vector2 in project commons-gdx by gemserk.

the class ConvexHull2dImpl method recalculate.

@Override
public boolean recalculate() {
    convexHullPoints.clear();
    if (size < 2) {
        size = 0;
        return false;
    }
    Vector2 p;
    Vector2 bot = points.get(0);
    for (int i = 1; i < size; i++) {
        Vector2 point = points.get(i);
        if (point.y < bot.y)
            bot = point;
    }
    convexHullPoints.add(bot);
    p = bot;
    do {
        int i;
        i = points.get(0) == p ? 1 : 0;
        Vector2 cand = points.get(i);
        for (i = i + 1; i < size; i++) {
            Vector2 point = points.get(i);
            if (point != p && area(p, cand, point) > 0)
                cand = points.get(i);
        }
        convexHullPoints.add(cand);
        p = cand;
        // worst case scenario the convex hull should have the same size as the original points array.
        if (convexHullPoints.size == size)
            break;
    } while (p != bot);
    size = 0;
    return true;
}

Example 64 with Vector2

use of com.badlogic.gdx.math.Vector2 in project commons-gdx by gemserk.

the class ImmediateModeRendererUtils method drawPolygon.

public static void drawPolygon(Vector2[] vertices, float x, float y, float angle, Color color) {
    GL10 gl = Gdx.graphics.getGL10();
    gl.glPushMatrix();
    gl.glTranslatef(x, y, 0f);
    gl.glRotatef(angle, 0f, 0f, 1f);
    ImmediateModeRenderer renderer = getRenderer();
    renderer.begin(getProjectionMatrix(), GL10.GL_LINE_LOOP);
    for (int i = 0; i < vertices.length; i++) {
        Vector2 v = vertices[i];
        renderer.color(color.r, color.g, color.b, color.a);
        renderer.vertex(v.x, v.y, 0);
    }
    renderer.end();
    gl.glPopMatrix();
}

Example 65 with Vector2

use of com.badlogic.gdx.math.Vector2 in project commons-gdx by gemserk.

the class ContactsTest method setUp.

@Before
public void setUp() {
    contacts = new Contacts();
    box2dcontact = mockery.mock(com.badlogic.gdx.physics.box2d.Contact.class);
    worldManifold = mockery.mock(WorldManifold.class);
    normal = new Vector2(0, 1);
    fixtureA = mockery.mock(Fixture.class, "fixtureA");
    fixtureB = mockery.mock(Fixture.class, "fixtureB");
}