public override void MouseDrag(int x, int y)
{
//find diff
Vector newPoint = new Vector(x, y);
//find distance
Vector oldPoint = new Vector(latestMousePoint.x, latestMousePoint.y);
var delta = (newPoint - oldPoint) / 2; // 2,4 etc
//midpoint
var midPoint = (newPoint + oldPoint) / 2;
//find angle
var topPoint = delta; //create top point
var bottomPoint = delta; //bottom point
topPoint.Rotate(90);
bottomPoint.Rotate(-90);
var newTopPoint = midPoint + topPoint;
var newBottomPoint = midPoint + bottomPoint;
//bottom point
currentBrushPath.AddPointFirst((int)newBottomPoint.X, (int)newBottomPoint.Y);
currentBrushPath.AddPointLast((int)newTopPoint.X, (int)newTopPoint.Y);
latestMousePoint = new Point(x, y);
}
public override void MouseDrag(int x, int y)
{
//find diff
Vector newPoint = new Vector(x, y);
//find distance
Vector oldPoint = new Vector(latestMousePoint.x, latestMousePoint.y);
var delta = (newPoint - oldPoint) / 2; // 2,4 etc
//midpoint
var midPoint = (newPoint + oldPoint) / 2;
delta = delta.NewLength(5);
delta.Rotate(90);
var newTopPoint = midPoint + delta;
var newBottomPoint = midPoint - delta;
//bottom point
currentBrushPath.AddPointFirst((int)newBottomPoint.X, (int)newBottomPoint.Y);
currentBrushPath.AddPointLast((int)newTopPoint.X, (int)newTopPoint.Y);
latestMousePoint = new Point(x, y);
}