// Hack function to do diaonal flip first in transformations
static public void TransformPoints_DiagFirst(PointF[] points, PointF origin, bool diagonal, bool horizontal, bool vertical)
{
// Put the points into origin/local space
TranslatePoints(points, -origin.X, -origin.Y);
TmxRotationMatrix rotate = new TmxRotationMatrix();
// Apply the flips/rotations (order matters)
if (diagonal)
{
TmxRotationMatrix d = new TmxRotationMatrix(0, 1, 1, 0);
rotate = TmxRotationMatrix.Multiply(d, rotate);
}
if (horizontal)
{
TmxRotationMatrix h = new TmxRotationMatrix(-1, 0, 0, 1);
rotate = TmxRotationMatrix.Multiply(h, rotate);
}
if (vertical)
{
TmxRotationMatrix v = new TmxRotationMatrix(1, 0, 0, -1);
rotate = TmxRotationMatrix.Multiply(v, rotate);
}
// Apply the combined flip/rotate transformation
rotate.TransformPoints(points);
// Put points back into world space
TranslatePoints(points, origin.X, origin.Y);
}
// Hack function to do diaonal flip first in transformations
static public void TransformPoints_DiagFirst(PointF[] points, PointF origin, bool diagonal, bool horizontal, bool vertical)
{
// Put the points into origin/local space
TranslatePoints(points, -origin.X, -origin.Y);
TmxRotationMatrix rotate = new TmxRotationMatrix();
// Apply the flips/rotations (order matters)
if (diagonal)
{
TmxRotationMatrix d = new TmxRotationMatrix(0, 1, 1, 0);
rotate = TmxRotationMatrix.Multiply(d, rotate);
}
if (horizontal)
{
TmxRotationMatrix h = new TmxRotationMatrix(-1, 0, 0, 1);
rotate = TmxRotationMatrix.Multiply(h, rotate);
}
if (vertical)
{
TmxRotationMatrix v = new TmxRotationMatrix(1, 0, 0, -1);
rotate = TmxRotationMatrix.Multiply(v, rotate);
}
// Apply the combined flip/rotate transformation
rotate.TransformPoints(points);
// Put points back into world space
TranslatePoints(points, origin.X, origin.Y);
}
static public TmxRotationMatrix Multiply(TmxRotationMatrix M1, TmxRotationMatrix M2)
{
float m00 = M1[0, 0] * M2[0, 0] + M1[0, 1] * M2[1, 0];
float m01 = M1[0, 0] * M2[0, 1] + M1[0, 1] * M2[1, 1];
float m10 = M1[1, 0] * M2[0, 0] + M1[1, 1] * M2[1, 0];
float m11 = M1[1, 0] * M2[0, 1] + M1[1, 1] * M2[1, 1];
return new TmxRotationMatrix(m00, m01, m10, m11);
}
static public TmxRotationMatrix Multiply(TmxRotationMatrix M1, TmxRotationMatrix M2)
{
float m00 = M1[0, 0] * M2[0, 0] + M1[0, 1] * M2[1, 0];
float m01 = M1[0, 0] * M2[0, 1] + M1[0, 1] * M2[1, 1];
float m10 = M1[1, 0] * M2[0, 0] + M1[1, 1] * M2[1, 0];
float m11 = M1[1, 0] * M2[0, 1] + M1[1, 1] * M2[1, 1];
return(new TmxRotationMatrix(m00, m01, m10, m11));
}
public static TmxRotationMatrix Multiply(TmxRotationMatrix M1, TmxRotationMatrix M2)
{
float m = M1[0, 0] * M2[0, 0] + M1[0, 1] * M2[1, 0];
float m2 = M1[0, 0] * M2[0, 1] + M1[0, 1] * M2[1, 1];
float m3 = M1[1, 0] * M2[0, 0] + M1[1, 1] * M2[1, 0];
float m4 = M1[1, 0] * M2[0, 1] + M1[1, 1] * M2[1, 1];
return(new TmxRotationMatrix(m, m2, m3, m4));
}
static public void RotatePoints(PointF[] points, TmxObject tmxObject)
{
TranslatePoints(points, -tmxObject.Position.X, -tmxObject.Position.Y);
TmxRotationMatrix rotate = new TmxRotationMatrix(-tmxObject.Rotation);
rotate.TransformPoints(points);
TranslatePoints(points, tmxObject.Position.X, tmxObject.Position.Y);
}
static public void RotatePoints(PointF[] points, TmxObject tmxObject)
{
TranslatePoints(points, -tmxObject.Position.X, -tmxObject.Position.Y);
TmxRotationMatrix rotate = new TmxRotationMatrix(-tmxObject.Rotation);
rotate.TransformPoints(points);
TranslatePoints(points, tmxObject.Position.X, tmxObject.Position.Y);
}
public static void TransformPoints_DiagFirst(PointF[] points, PointF origin, bool diagonal, bool horizontal, bool vertical)
{
TranslatePoints(points, 0f - origin.X, 0f - origin.Y);
TmxRotationMatrix tmxRotationMatrix = new TmxRotationMatrix();
if (diagonal)
{
tmxRotationMatrix = TmxRotationMatrix.Multiply(new TmxRotationMatrix(0f, 1f, 1f, 0f), tmxRotationMatrix);
}
if (horizontal)
{
tmxRotationMatrix = TmxRotationMatrix.Multiply(new TmxRotationMatrix(-1f, 0f, 0f, 1f), tmxRotationMatrix);
}
if (vertical)
{
tmxRotationMatrix = TmxRotationMatrix.Multiply(new TmxRotationMatrix(1f, 0f, 0f, -1f), tmxRotationMatrix);
}
tmxRotationMatrix.TransformPoints(points);
TranslatePoints(points, origin.X, origin.Y);
}
