public Engine(Graphics g)
{
g_Handle = g;
Paint_Area = new Rectangle(0, 0, 1600, 1200);
//Balls = new List<Ball>();
//Queued_Balls = new Queue<Ball>();
ArrowStart = new Point();
ArrowEnd = new Point();
ShowArrow = false;
//Lines = new List<Obstacle>();
//Lines.Add(new Obstacle(new Point(700, 700), new Point(900, 700)));
//Lines.Add(new Obstacle(new Point(700, 700), new Point(700, 900)));
TestStart = new Point();
TestEnd = new Point();
TestCut = new Point();
Actual = new Cross();
The = new Line();
}
private void RenderEngine(object obj)
{
SolidBrush Background = new SolidBrush(Color.White);
int Ticks_1000ms = Environment.TickCount;
int Ticks_50ms = Environment.TickCount;
Point Acceleration = new Point(0, 1); // 10 px down
Point No_Acceleration = new Point(-Acceleration.X * 2, -Acceleration.Y * 2);
Pen Arrow = new Pen(new SolidBrush(Color.Green), 2f);
Pen TestPoints = new Pen(new SolidBrush(Color.Red), 1f);
Pen TestCutts = new Pen(new SolidBrush(Color.Lime), 1f);
Font fps_font = new Font("Arial", 12);
SolidBrush fps_brush = new SolidBrush(Color.Black);
Bitmap RenderedFrame = new Bitmap(Paint_Area.Width, Paint_Area.Height);
Graphics f_Handle = Graphics.FromImage(RenderedFrame);
//Obstacle Obs = new Obstacle(new Point())
//TestCut = new Point(Paint_Area.Width / 2, Paint_Area.Height / 2);
Cross Test = new Cross(new Point(Paint_Area.Width / 2, Paint_Area.Height / 2)); // centered test point
Test.Color = Color.Green;
Line Mirror = new Line();
Mirror.Start = new Point(Paint_Area.Width / 2 - 100, Paint_Area.Height / 2 - 100);
Mirror.End = new Point(Paint_Area.Width / 2 + 100, Paint_Area.Height / 2 + 100);
Mirror.Color = Color.Gray;
Line Exit = new Line();
Exit.Color = Color.Red;
Exit.Start = Test.Position;
int fps = 0;
int frames_rendered = 0;
string info = "";
double Angle = 45;
double Length = 300;
while (true)
{
// draw background
f_Handle.FillRectangle(Background, Paint_Area);
/*
* // draw balls
* foreach(Ball ball in Balls)
* {
* ball.Draw(f_Handle);
* }
*
* // draw lines
* foreach(Obstacle obs in Lines)
* {
* obs.Draw(f_Handle);
* }
*
* // draw arrow
* if (ShowArrow)
* {
* f_Handle.DrawLine(Arrow, ArrowStart, ArrowEnd);
*
* // calculate angle and arrow
* }*/
f_Handle.DrawString(fps.ToString() + "fps", fps_font, fps_brush, 0, 0);
// draw crosses
Test.Draw(f_Handle, Paint_Area.Height);
Actual.Draw(f_Handle, Paint_Area.Height);
The.Start = Actual.Position;
The.End = Test.Position;
The.Draw(f_Handle, Paint_Area.Height);
Mirror.Draw(f_Handle, Paint_Area.Height);
// calculate end
double beta = Mirror.Angle - The.Angle;
double c = The.Lenght * Math.Cos(beta / 360 * 2 * Math.PI);
Exit.End = new Point((int)(2 * c * Math.Cos(Mirror.Angle / 360 * 2 * Math.PI) + The.Start.X), (int)(2 * c * Math.Sin(Mirror.Angle / 360 * 2 * Math.PI) + The.Start.Y));
Exit.Draw(f_Handle, Paint_Area.Height);
// draw info
info = "beta: " + beta.ToString() + "\n";
info += "c: " + c.ToString();
f_Handle.DrawString(info, fps_font, fps_brush, 0, 50);
// draw line
/*
* // testpoints
* f_Handle.DrawLine(TestPoints, TestStart.X - 10, TestStart.Y, TestStart.X + 10, TestStart.Y);
* f_Handle.DrawLine(TestPoints, TestStart.X, TestStart.Y - 10, TestStart.X, TestStart.Y + 10);
* f_Handle.DrawLine(TestPoints, TestEnd.X - 10, TestEnd.Y, TestEnd.X + 10, TestEnd.Y);
* f_Handle.DrawLine(TestPoints, TestEnd.X, TestEnd.Y - 10, TestEnd.X, TestEnd.Y + 10);
* f_Handle.DrawLine(TestCutts, TestCut.X - 10, TestCut.Y, TestCut.X + 10, TestCut.Y);
* f_Handle.DrawLine(TestCutts, TestCut.X, TestCut.Y - 10, TestCut.X, TestCut.Y + 10);*/
// draw on screen
g_Handle.DrawImage(RenderedFrame, 0, 0, 800, 600);
// check for change
if (Environment.TickCount > (Ticks_50ms + 50))
{
// refresh ticks
Ticks_50ms = Environment.TickCount;
// every 50 ms
Mirror.Start.X = (int)(-(Length / 2) * Math.Sin(Angle / 360 * 2 * Math.PI) + The.End.X);
Mirror.Start.Y = (int)(-(Length / 2) * Math.Cos(Angle / 360 * 2 * Math.PI) + The.End.Y);
Mirror.End.X = (int)((Length / 2) * Math.Sin(Angle / 360 * 2 * Math.PI) + The.End.X);
Mirror.End.Y = (int)((Length / 2) * Math.Cos(Angle / 360 * 2 * Math.PI) + The.End.Y);
// inkrement angle
//Angle += 1;
}
// calculate fps
if (Environment.TickCount > (Ticks_1000ms + 1000))
{
// refresh ticks
Ticks_1000ms = Environment.TickCount;
fps = frames_rendered;
frames_rendered = 0;
}
frames_rendered++;
/*
* // move balls every 500 ms
* if(Environment.TickCount > (Ticks + 10))
* {
* // refresh ticks
* Ticks = Environment.TickCount;
*
* // move balls
* foreach(Ball ball in Balls)
* {
* // move ball
* ball.Move(Acceleration);
*
* // check for exit down
* if(ball.Position.Y > Paint_Area.Height)
* {
* // change direction
* ball.Movement = new Point(ball.Movement.X, -ball.Movement.Y * 70 / 100);
* ball.Move(No_Acceleration);
* }
*
* // exit right
* if ((ball.Position.X > Paint_Area.Width) || (ball.Position.X < 0))
* {
* // change direction
* ball.Movement = new Point(-ball.Movement.X * 70 / 100, ball.Movement.Y);
* ball.Move(No_Acceleration);
* }
*
* // check for collision
* foreach(Obstacle obs in Lines)
* {
* obs.calculateCollision(ball);
* }
* }
*
* // check for finish
* Balls.RemoveAll(x => (x.Position.X > Paint_Area.Width) || (x.Position.X < 0) || (x.Position.Y > Paint_Area.Height) || (x.Position.Y < 0));
* }
*
* // check for new balls
* while(Queued_Balls.Count > 0)
* {
* Balls.Add(Queued_Balls.Dequeue());
* }
*/
}
}