public void set(Entity e, FloatVal value) {
FloatVal r = e.get(RIGHT);
FloatVal l = e.get(LEFT);
float halfwidth = (r.v - l.v) * 0.5f;
r.v = value.v + halfwidth;
l.v = value.v - halfwidth;
}
@Test
public void testGet() {
Entity e = new Entity(EXTENT);
FloatVal left = e.get(LEFT);
FloatVal right = e.get(RIGHT);
left.v = 3.0f;
right.v = 5.5f;
assertSame(left, e.get(LEFT));
assertSame(right, e.get(RIGHT));
assertEquals(3.0f, e.get(LEFT).v, EPSILON);
assertEquals(5.5f, e.get(RIGHT).v, EPSILON);
e.delete();
}
public FloatVal take(Entity e, FloatVal target) {
FloatVal r = e.get(RIGHT);
FloatVal l = e.get(LEFT);
target.v = (l.v + r.v) * 0.5f;
return target;
}
