| public Translate ( double x, double y ) : void | ||
| x | double | |
| y | double | |
| return | void | |
/// <summary>
/// given a List of 2D vectors, a position and orientation
/// this function transforms the 2D vectors into the object's world space
///
/// </summary>
/// <param name="points"></param>
/// <param name="pos"></param>
/// <param name="forward"></param>
/// <param name="side"></param>
/// <returns></returns>
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 = new List <Vector2D>();
// make deep copy of buffer
for (int pointIndex = 0; pointIndex < points.Count; pointIndex++)
{
TranVector2Ds.Add(new Vector2D(points[pointIndex]));
}
//create a transformation matrix
Matrix2D matTransform = new Matrix2D();
//rotate
matTransform.Rotate(forward, side);
//and translate
matTransform.Translate(pos.X, pos.Y);
//now transform the object's vertices
matTransform.TransformVector2Ds(TranVector2Ds);
return(TranVector2Ds);
}
public static void DrawVector(Graphics g, Vector2D position, Vector2D lookAt)
{
Matrix2D mat = new Matrix2D();
mat.Translate(position.X, position.Y);
Vector2D lookAtCopy = new Vector2D(position.X + lookAt.X, position.Y + lookAt.Y);
//lookAtCopy *= .5;
//mat.TransformVector2Ds(lookAtCopy);
g.DrawLine(_currentPen, new Point((int)position.X, (int)position.Y), new Point((int)lookAtCopy.X, (int)lookAtCopy.Y));
}
/// <summary>
/// Transforms a point from the agent's local space into world space
///
/// </summary>
/// <param name="point"></param>
/// <param name="AgentHeading"></param>
/// <param name="AgentSide"></param>
/// <param name="AgentPosition"></param>
/// <returns></returns>
public static Vector2D PointToWorldSpace(Vector2D point,
Vector2D AgentHeading,
Vector2D AgentSide,
Vector2D AgentPosition)
{
//make a copy of the point
Vector2D TransPoint = new Vector2D(point);
//create a transformation matrix
Matrix2D matTransform = new Matrix2D();
//rotate
//matTransform.Rotate(AgentHeading, AgentSide);
//and translate
matTransform.Translate(AgentPosition.X, AgentPosition.Y);
//now transform the vertices
matTransform.TransformVector2Ds(TransPoint);
return(TransPoint);
}
/// <summary>
/// given a List of 2D vectors, a position, orientation and scale,
/// this function transforms the 2D vectors into the object's world space
///
/// </summary>
/// <param name="points"></param>
/// <param name="pos"></param>
/// <param name="forward"></param>
/// <param name="side"></param>
/// <param name="scale"></param>
/// <returns></returns>
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 = new List<Vector2D>();
// make deep copy of buffer
for (int pointIndex = 0; pointIndex < points.Count; pointIndex++)
{
TranVector2Ds.Add(new Vector2D(points[pointIndex]));
}
//create a transformation matrix
Matrix2D matTransform = new Matrix2D();
//scale
if ((scale.X != 1.0) || (scale.Y != 1.0))
{
matTransform.Scale((float)scale.X, (float)scale.Y);
}
//rotate
matTransform.Rotate(forward, side);
//matTransform.Rotate(190.0 * (3.14159 / 180));
//and translate
matTransform.Translate(pos.X, pos.Y);
//now transform the object's vertices
matTransform.TransformVector2Ds(TranVector2Ds);
return TranVector2Ds;
}
public static void DrawVector(Graphics g, Vector2D position, Vector2D lookAt)
{
Matrix2D mat = new Matrix2D();
mat.Translate(position.X, position.Y);
Vector2D lookAtCopy = new Vector2D(position.X + lookAt.X, position.Y + lookAt.Y);
//lookAtCopy *= .5;
//mat.TransformVector2Ds(lookAtCopy);
g.DrawLine(_currentPen, new Point((int)position.X, (int)position.Y), new Point((int)lookAtCopy.X, (int)lookAtCopy.Y));
}
/// <summary>
/// Transforms a point from the agent's local space into world space
///
/// </summary>
/// <param name="point"></param>
/// <param name="AgentHeading"></param>
/// <param name="AgentSide"></param>
/// <param name="AgentPosition"></param>
/// <returns></returns>
public static Vector2D PointToWorldSpace(Vector2D point,
Vector2D AgentHeading,
Vector2D AgentSide,
Vector2D AgentPosition)
{
//make a copy of the point
Vector2D TransPoint = new Vector2D(point);
//create a transformation matrix
Matrix2D matTransform = new Matrix2D();
//rotate
//matTransform.Rotate(AgentHeading, AgentSide);
//and translate
matTransform.Translate(AgentPosition.X, AgentPosition.Y);
//now transform the vertices
matTransform.TransformVector2Ds(TransPoint);
return TransPoint;
}
