public override void Draw(CanvasDrawingSession canvas)
{
if (LastFired < FIRE_COOLDOWN)
{
LastFired++;
}
Vector2 triangleTip = VMath.AddVectors(Position, VMath.ScalarMultiply(UnitDirectionVector, 12));
Vector2 triangleLeft = VMath.AddVectors(
VMath.AddVectors(Position, VMath.ScalarMultiply(UnitDirectionVector, -12))
, VMath.ScalarMultiply(VMath.GetPerpendicularVector(UnitDirectionVector), -8));
Vector2 triangleRight = VMath.AddVectors(
VMath.AddVectors(Position, VMath.ScalarMultiply(UnitDirectionVector, -12))
, VMath.ScalarMultiply(VMath.GetPerpendicularVector(UnitDirectionVector), 8));
Vector2[] trianglePoints = { triangleTip, triangleLeft, triangleRight };
CanvasGeometry triangle = CanvasGeometry.CreatePolygon(canvas, trianglePoints);
canvas.FillGeometry(triangle, Colors.CadetBlue);
}
public void Move(int canvasWidth, int canvasHeight)
{
Position = VMath.AddVectors(Position, VMath.ScalarMultiply(UnitDirectionVector, Speed));
if (!(this is Bullet))
{
if (Position.X > canvasWidth)
{
Position = new Vector2(0, Position.Y);
}
if (Position.X < 0)
{
Position = new Vector2(canvasWidth, Position.Y);
}
if (Position.Y > canvasHeight)
{
Position = new Vector2(Position.X, 0);
}
if (Position.Y < 0)
{
Position = new Vector2(Position.X, canvasHeight);
}
}
}
public Vector2 GetGunPosition()
{
return(VMath.AddVectors(Position, VMath.ScalarMultiply(UnitDirectionVector, 12)));
}