//--------------------------- WorldTransform -----------------------------
//
// given a std::vector of 2D vectors, a position, orientation and scale,
// this function transforms the 2D vectors into the object's world space
//------------------------------------------------------------------------
public static List <Vector2D> WorldTransform(List <Vector2D> points,
Vector2D pos,
Vector2D forward,
Vector2D side,
Vector2D scale)
{
//copy the original vertices into the buffer about to be transformed
List <Vector2D> TranVector2Ds = points;
//create a transformation matrix
C2DMatrix matTransform = new C2DMatrix();
//scale
if ((scale.X != 1.0) || (scale.Y != 1.0))
{
matTransform.Scale(scale.X, scale.Y);
}
//rotate
matTransform.Rotate(forward, side);
//and translate
matTransform.Translate(pos.X, pos.Y);
//now transform the object's vertices
matTransform.TransformVector2Ds(TranVector2Ds);
return(TranVector2Ds);
}
//--------------------- PointToWorldSpace --------------------------------
//
// Transforms a point from the agent's local space into world space
//------------------------------------------------------------------------
public static Vector2D PointToWorldSpace(Vector2D point,
Vector2D AgentHeading,
Vector2D AgentSide,
Vector2D AgentPosition)
{
//make a copy of the point
Vector2D TransPoint = new Vector2D(point.X, point.Y);;
//create a transformation matrix
C2DMatrix matTransform = new C2DMatrix();
//rotate
matTransform.Rotate(AgentHeading, AgentSide);
//and translate
matTransform.Translate(AgentPosition.X, AgentPosition.Y);
//now transform the vertices
matTransform.TransformVector2D(TransPoint);
return(TransPoint);
}
//--------------------- PointToWorldSpace --------------------------------
//
// Transforms a point from the agent's local space into world space
//------------------------------------------------------------------------
public static Vector2D PointToWorldSpace(Vector2D point,
Vector2D AgentHeading,
Vector2D AgentSide,
Vector2D AgentPosition)
{
//make a copy of the point
Vector2D TransPoint = new Vector2D(point.X, point.Y); ;
//create a transformation matrix
C2DMatrix matTransform = new C2DMatrix();
//rotate
matTransform.Rotate(AgentHeading, AgentSide);
//and translate
matTransform.Translate(AgentPosition.X, AgentPosition.Y);
//now transform the vertices
matTransform.TransformVector2D(TransPoint);
return TransPoint;
}
//--------------------------- WorldTransform -----------------------------
//
// given a std::vector of 2D vectors, a position and orientation
// this function transforms the 2D vectors into the object's world space
//------------------------------------------------------------------------
public static List<Vector2D> WorldTransform(List<Vector2D> points,
Vector2D pos,
Vector2D forward,
Vector2D side)
{
//copy the original vertices into the buffer about to be transformed
List<Vector2D> TranVector2Ds = points;
//create a transformation matrix
C2DMatrix matTransform = new C2DMatrix();
//rotate
matTransform.Rotate(forward, side);
//and translate
matTransform.Translate(pos.X, pos.Y);
//now transform the object's vertices
matTransform.TransformVector2Ds( TranVector2Ds);
return TranVector2Ds;
}
