/****************************************************************************
* Methods
*****************************************************************************/
/// <summary>
/// Updates the current position of the points and returns the resulting points
/// </summary>
/// <returns></returns>
internal override Stack <Point[]> updateAllPoints()
{
Stack <Point[]> retStack = new Stack <Point[]>();
if (this.FramesRemaining <= 0 || !this.IsAlive)
{
this.IsAlive = false;
return(retStack);
}
//move center point
this.CenterPoint = PointAdjuster.adjustPoint(
this.CenterPoint,
(int)Math.Truncate(this.VeloX + this.VeloXTrun),
(int)Math.Truncate(this.VeloY + this.VeloYTrun),
this.GamePanel.GetPanelWidth,
this.GamePanel.GetPanelHeight);
this.VeloXTrun += this.VeloX - Math.Truncate(this.VeloX + this.VeloXTrun);
this.VeloYTrun += this.VeloY - Math.Truncate(this.VeloY + this.VeloYTrun);
//if center point goes off screen then put it back on screen
this.CenterPoint = PointAdjuster.centerPointFix(
this.CenterPoint,
this.GamePanel.GetPanelWidth,
this.GamePanel.GetPanelHeight,
this.GamePanel.GetPanelLocX,
this.GamePanel.GetPanelLocY);
this.FramesRemaining--;
retStack.Push(this.AllPoints);
return(retStack);
}
internal Missle(Point centerPoint, double missleAngle, int id, GenericDrawingPanel gamePanel, int frameRate)
{
this.GamePanel = gamePanel;
this.FrameRate = frameRate;
this.SetIDTag = id;
this.IsAlive = true;
this.IsKillable = true;
this.VeloXTrun = 0;
this.VeloYTrun = 0;
this.FramesRemaining = this.FrameRate * this.LifeSpan;
double radAngle = Math.PI / (double)180 * (missleAngle + 90);
this.VeloX = this.TotalVelocity * Math.Cos(radAngle);
this.VeloY = this.TotalVelocity * Math.Sin(radAngle);
this.CenterPoint = PointAdjuster.adjustPointAcc(
centerPoint,
(int)this.VeloX * 2,
(int)this.VeloY * 2,
this.GamePanel.GetPanelWidth,
this.GamePanel.GetPanelHeight);
}
/// <summary>
/// Updates the sight of the spaceship's eyes
/// </summary>
private void updateEyes()
{
//true when an eye detects an object
bool isFound = false;
//detect the closest object within range of all eyes
for (int i = 0; i < this.NumEyes; i++)
{
//number of loops equal to the maximum number of points checked for each eye
for (int j = 0; j <= 100; j += 5)
{
//check all of the objects in the game to see if they are within the eye's range
for (int k = 0; k < this.FlyingObjects.Count; k++)
{
//point where an object will be looked for
Point testPoint = PointAdjuster.adjustPoint(
this.CenterPoint,
(int)((double)this.EyeOffcenterArray[i].X * (double)j * (double)0.01),
(int)((double)this.EyeOffcenterArray[i].Y * (double)j * (double)0.01),
this.GamePanel.GetPanelWidth,
this.GamePanel.GetPanelHeight,
this.ShipScale,
this.ShipDirectionAngle);
if ((this.FlyingObjects[k].GetIDTag != this.GetIDTag && CollisionDetection.PointInPolygon(testPoint.X, testPoint.Y, this.FlyingObjects[k].CollisionPoints)) || j == 100)
{
this.EyeInputArray[i] = new Point(testPoint.X, testPoint.Y);
this.EyeFractionArray[i] = (double)j * (double)0.01;
isFound = true;
break;
}
}
if (isFound)
{
break;
}
}
isFound = false;
}
}
/****************************************************************************
* Methods
*****************************************************************************/
/// <summary>
/// Top of the stack contains the points of the space ship. The rest of the stack is for the eyes.
/// </summary>
/// <returns></returns>
internal override Stack <Point[]> updateAllPoints()
{
Stack <Point[]> retStack = new Stack <Point[]>();
if (this.FramesRemaining <= 0 || !this.IsAlive)
{
if (!this.IsUser)
{
this.allNets.setCurrentScore(this.Score);
this.allNets.goToNextNet();
}
this.restShip();
}
else if ((this.LifeSpan * this.FrameRate) - this.FramesRemaining > this.GraceSpan * this.FrameRate)
{
this.IsKillable = true;
}
//handles the thrusting
if (this.IsThrust && this.TotalVelocity <= MaxVelocity)
{
this.IsThrust = true;
double radAngle = Math.PI / (double)180 * (270 - this.ShipDirectionAngle);
double acceration = 0.5;
this.VeloX += acceration * Math.Cos(radAngle);
this.VeloY -= acceration * Math.Sin(radAngle);
}
//move center point
this.ShipDirectionAngle += this.AngularV;
this.CenterPoint = PointAdjuster.adjustPointAcc(
this.CenterPoint,
(int)Math.Truncate(this.VeloX + this.VeloXTrun),
(int)Math.Truncate(this.VeloY + this.VeloYTrun),
this.GamePanel.GetPanelWidth,
this.GamePanel.GetPanelHeight,
this.ShipScale,
this.ShipDirectionAngle);
this.VeloXTrun += this.VeloX - Math.Truncate(this.VeloX + this.VeloXTrun);
this.VeloYTrun += this.VeloY - Math.Truncate(this.VeloY + this.VeloYTrun);
//if center point goes off screen then put it back on screen
this.CenterPoint = PointAdjuster.centerPointFix(
this.CenterPoint,
this.GamePanel.GetPanelWidth,
this.GamePanel.GetPanelHeight,
this.GamePanel.GetPanelLocX,
this.GamePanel.GetPanelLocY);
//update the sight of the ship
updateEyes();
this.FramesRemaining--;
foreach (Point p in this.EyeInputArray)
{
retStack.Push(new Point[] { this.CenterPoint, p });
}
retStack.Push(this.AllPoints);
return(retStack);
}
