private void MoveBodyToGameObject()
{
m_gameObject.ForceUpdateAbsTransformation();
Vector3 absRotate = CatMath.MatrixToEulerAngleVector3(m_gameObject.AbsTransform);
m_body.SetTransform(new Vector2(m_gameObject.AbsPosition.X,
m_gameObject.AbsPosition.Y),
absRotate.Z);
}
public override bool IsBodyInLightRange(Vector2[] _vertices, Matrix _transform)
{
if (!m_isLightOn)
{
return(false);
}
return(CatMath.IsConvexIntersect(m_verticeList.ToArray(),
Matrix.CreateTranslation(new Vector3(m_offset.X, m_offset.Y, 0.0f))
* m_gameObject.AbsTransform,
_vertices, _transform));
}
bool ISelectable.IsSelected(float cameraX, float cameraY)
{
// TODO: make it validate for 3D world
// 1) transform to world coordinate, resulting in a ray.
// 2) test collision between ray and triangle
Camera camera = Mgr <Camera> .Singleton;
Vector3 nearPoint = camera.CameraToWorld(new Vector3(cameraX, cameraY, 0.0f));
Vector3 farPoint = camera.CameraToWorld(new Vector3(cameraX, cameraY, 0.9f));
Vector3 direction = farPoint - nearPoint;
Vector4 p0 = Vector4.Transform(new Vector4(-m_size.X / 2.0f + m_offset.X,
m_size.Y / 2.0f + m_offset.Y,
0.0f,
1.0f),
m_gameObject.AbsTransform);
Vector4 p1 = Vector4.Transform(new Vector4(-m_size.X / 2.0f + m_offset.X,
-m_size.Y / 2.0f + m_offset.Y,
0.0f,
1.0f),
m_gameObject.AbsTransform);
Vector4 p2 = Vector4.Transform(new Vector4(m_size.X / 2.0f + m_offset.X,
m_size.Y / 2.0f + m_offset.Y,
0.0f,
1.0f),
m_gameObject.AbsTransform);
Vector4 p3 = Vector4.Transform(new Vector4(m_size.X / 2.0f + m_offset.X,
-m_size.Y / 2.0f + m_offset.Y,
0.0f,
1.0f),
m_gameObject.AbsTransform);
Vector3 p0v3 = new Vector3(p0.X, p0.Y, p0.Z);
Vector3 p1v3 = new Vector3(p1.X, p1.Y, p1.Z);
Vector3 p2v3 = new Vector3(p2.X, p2.Y, p2.Z);
Vector3 p3v3 = new Vector3(p3.X, p3.Y, p3.Z);
float u, v, t;
if (CatMath.IntersectTriangle(nearPoint, direction, p0v3, p1v3, p2v3, out t, out u, out v) == true)
{
return(true);
}
if (CatMath.IntersectTriangle(nearPoint, direction, p2v3, p1v3, p3v3, out t, out u, out v) == true)
{
return(true);
}
return(false);
}
public override bool IsBodyInLightRange(Vector2[] _vertices, Matrix _transform) {
return CatMath.IsConvexIntersect(m_verticeList.ToArray(), m_gameObject.AbsTransform,
_vertices, _transform);
}
