public SquareObject(Game game, Vector2 location, float height, float width, Brush color, float spacer) : base(game)
{
Location = location;
Height = height;
Width = width;
this.color = color;
collider = new SquareCollider(Location, Width, Height);
this.spacer = spacer;
}
static void DrawSquare(SquareCollider b, bool is_intersect)
{
Gizmos.color = is_intersect ? Color.green : Color.blue;
Vector2[] points =
{
b.position + new Vector2(b.width.x / 2, b.width.y / 2),
b.position + new Vector2(b.width.x / 2, -b.width.y / 2),
b.position + new Vector2(-b.width.x / 2, -b.width.y / 2),
b.position + new Vector2(-b.width.x / 2, b.width.y / 2),
};
Vector2[] rotated_points = new Vector2[4];
Mat22 rot = new Mat22(b.rotation);
for (int i = 0; i < 4; i++)
{
points[i] = rot * (points[i] - b.position) + b.position;
}
for (int i = 0; i < 4; i++)
{
Gizmos.DrawLine(points[i], points[(i + 1) % 4]);
}
// oobb
Gizmos.color = Color.red;
Mat22 abs_rot = MathUtils.Abs(rot);
Vector2 v = abs_rot * (b.width);
Vector2[] vec_aabb =
{
b.position + new Vector2(v.x / 2, v.y / 2),
b.position + new Vector2(v.x / 2, -v.y / 2),
b.position + new Vector2(-v.x / 2, -v.y / 2),
b.position + new Vector2(-v.x / 2, v.y / 2),
};
for (int i = 0; i < 4; i++)
{
Gizmos.DrawLine(vec_aabb[i], vec_aabb[(i + 1) % 4]);
}
// normal(通过rotate来取出normal) 原理是：我们把初始法线值（0，1）旋转角度之后，得到的是col2，初始法线（1，0）旋转角度之后是col1
//Gizmos.color = Color.green;
//Gizmos.DrawLine(b.position, rot.col1+ b.position);
//Gizmos.color = Color.yellow;
//Gizmos.DrawLine(b.position, -rot.col1+ b.position);
//Gizmos.DrawLine(b.position, rot.col2+ b.position);
//Gizmos.DrawLine(b.position, -rot.col2+ b.position);
}
// Use this for initialization
void Start()
{
for (int i = 0; i < OBJ_COUNT; i++)
{
squares[i] = new SquareCollider()
{
position = new Vector2(Random.Range(0, 10), Random.Range(0, 10)), rotation = Random.Range(0, 359), width = new Vector2(Random.Range(0.1f, 2), Random.Range(0.1f, 2))
};
circles[i] = new CircleCollider()
{
position = new Vector2(Random.Range(0, 10), Random.Range(0, 10)), radius = Random.Range(0.1f, 2)
};
rays[i] = new RayCollider()
{
p1 = new Vector2(Random.Range(0, 10), Random.Range(0, 10)), p2 = new Vector2(Random.Range(0, 10), Random.Range(0, 10))
};
}
TestSqureCircle();
TestSqureSqure();
TestCircleCircle();
TestRaySquare();
TestRayCircle();
}
