/**
* Draw the wall as a line
**/
public void draw(SpriteBatch spritebatch, Texture2D texture)
{
Texture2D wallText = new Texture2D(spritebatch.GraphicsDevice, 1, 1, false, SurfaceFormat.Color);
wallText.SetData(new[] { Color.White });
GeometryTools.DrawLine(spritebatch, wallText, radius, Color.Red, start, end);
}
/**
* Check if motion will collide with the wall
**/
public bool collide(Vector2 oldPos, Vector2 newPos)
{
Vector2 intersection;
//Radius not taken into account here, it should be, have to figure out a way to do that...
return(GeometryTools.Intersects2D(start, end, oldPos, newPos, out intersection));
}
public void debugDrawDestination(SpriteBatch spritebatch)
{
//debug draw for the pathfinding
Texture2D wallText = new Texture2D(spritebatch.GraphicsDevice, 1, 1, false, SurfaceFormat.Color);
wallText.SetData(new[] { Color.White });
GeometryTools.DrawLine(spritebatch, wallText, 1, Color.Blue, position, destination.Position);
}
/**
* Calculate the next position <br>
* The calculated move will be redirected according to the rotationOffset ( 0 = none 1 = half turn) <br>
* Rotation Offset should be between 0 and 2
*/
public Vector2 calculateNextPos(float rotationOffset, double timeSinceLastUpdate)
{
if (rotationOffset > 1 || rotationOffset < -1)
{
return(new Vector2(0, 0));
}
//Calculate and reduce to maxSpeed if needed
Vector2 tempMove = destination.Position - position;
tempMove *= (float)timeSinceLastUpdate;
//Rotate the move vector by rotationOffset * Pi
tempMove = GeometryTools.RotateVector2(tempMove, rotationOffset * Math.PI);
if (tempMove.Length() > maxSpeed)
{
tempMove.Normalize();
tempMove *= (float)timeSinceLastUpdate * maxSpeed;
}
return(tempMove + position);
}