30     float y;  member
33         return x * x + y * y;  in lengthSquared()
37         return sqrt(x * x + y * y);  in length()
42         y += v.y;
47         y -= v.y;
52         y += v;
57         y -= v;
62         y /= s;
67         y *= s;
71         return (Vector2){x + v.x, y + v.y};
75         return (Vector2){x - v.x, y - v.y};
79         return (Vector2){x / s, y / s};
83         return (Vector2){x * s, y * s};
89         y *= s;  in normalize()
93         Vector2 v = {x, y};  in copyNormalized()
99         return x * v.x + y * v.y;  in dot()
103         return x * v.y - y * v.x;  in cross()
107         ALOGD("Vector2[%.2f, %.2f]", x, y);  in dump()
115     float y;  variable
119         return (Vector3){x + v.x, y + v.y, z + v.z};
123         return (Vector3){x - v.x, y - v.y, z - v.z};
127         return (Vector3){x / s, y / s, z / s};
131         return (Vector3){x * s, y * s, z * s};
136         ALOGD("Vector3[%.2f, %.2f, %.2f]", x, y, z);  in dump()