public static Vector2 MultiplyVector2(FMatrix3x3 m1, Vector2 vec)
{
Vector2 outVector = new Vector2();
outVector.x = m1.m00 * vec.x + m1.m01 * vec.y + m1.m02;
outVector.y = m1.m10 * vec.x + m1.m11 * vec.y + m1.m12;
return(outVector);
}
public static FAABB2D Multiply(FAABB2D box, FMatrix3x3 matrix)
{
return(new FAABB2D()
{
Min = matrix * box.Min,
Max = matrix * box.Max
});
}
protected override void UpdateCollisionBody_internal()
{
FCollRect rect = new FCollRect()
{
Offset = Offset, Size = Size
};
rect.TRS = FMatrix3x3.CreateTRS(Vector2.zero, transform.rotation.eulerAngles.z, transform.localScale);
CollisionBody = rect.ToPoly();
}
protected override void UpdateCollisionBody_internal()
{
FMatrix3x3 TRS = FMatrix3x3.CreateTRS(Offset, transform.rotation.eulerAngles.z, transform.localScale);
CollisionBody = new FCollPoly()
{
Vertices = new Vector2[Vertices.Length]
};
for (int i = 0; i < Vertices.Length; i++)
{
CollisionBody.Vertices[i] = TRS * Vertices[i];
}
}
public static FMatrix3x3 CreateTRS(Vector2 translation, float rotation, Vector2 scale)
{
float cos = Mathf.Cos(rotation * Mathf.Deg2Rad);
float sin = Mathf.Sin(rotation * Mathf.Deg2Rad);
FMatrix3x3 m = new FMatrix3x3();
m.m00 = scale.x * cos;
m.m01 = scale.y * -sin;
m.m02 = translation.x;
m.m10 = scale.x * sin;
m.m11 = scale.y * cos;
m.m12 = translation.y;
m.m20 = 0;
m.m21 = 0;
m.m22 = 1;
return(m);
}
public static Vector2 operator *(FMatrix3x3 m, Vector2 v)
{
return(FMatrix3x3.MultiplyVector2(m, v));
}
