/// <summary>
/// this thread method renders and displays block in the gdi window
/// </summary>
private void ShowThread()
{
while (true)
{
Pic.Clear();
lock (blocks)
{
foreach (Block item in blocks)
{
item.ShowBlock(Pic);
}
}
Pic.Render();
Thread.Sleep(100);
}
}
/// <summary>
/// timer tick event to get the balls to move around in gdi window area(stays in bounds)
/// as well as register collisions between green and blue balls to new collision list
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void _timer_Tick(object sender, EventArgs e)
{
//collide list
List <Ball> colideBG = new List <Ball>();
//add balls in colided list to gdi window
foreach (Ball item in _collidedBalls)
{
item.Move(_collidedGDI);
}
//main cdrawer with green and blue balls
foreach (Ball item in _blueList)
{
item.Move(_greenBlueGDI);
}
foreach (Ball item in _greenList)
{
item.Move(_greenBlueGDI);
}
//take collided green and blue balls and add them to the colided list
colideBG = _greenList.Intersect(_blueList).ToList();
//remove collided green and blue balls
foreach (Ball item in colideBG)
{
_blueList.RemoveAll(blue => blue.Equals(item));
_greenList.RemoveAll(green => green.Equals(item));
//set colided balls color to red
item._BallColor = Color.Red;
}
// set temp collide list to with exsisting collide list
//using one or more of Concat(),Union(), Distinct()
_collidedBalls = new List <Ball>(_collidedBalls.Union(colideBG));
//clear gdi windows and add background text
_greenBlueGDI.Clear();
_collidedGDI.Clear();
_greenBlueGDI.AddText($"Blue: {_blueList.Count} Green: {_greenList.Count}", 40, Color.White);
//color colid number when colisions happen
//have the count background text “lightup” and fade back to normal over a few timer cycles
//Collided(Red ) CDrawer, if a collision occurred,
//have the count background text “lightup” and fade back to normal over a few timer cycles –
//figure out what looks good.You may not modify the Ball class.
//show a fade for when a collision happens
if (colideBG.Count > 0)
{
_collidedGDI.AddText($"{_collidedBalls.Count}", 60, Color.Yellow);
fade = 255;//global int
}
else
{
fade -= 25;
if (fade < 0)
{
fade = 0;
}
_collidedGDI.AddText($"{_collidedBalls.Count}", 60, Color.FromArgb(fade, 255, 255, 0));// to white from yellow
}
//for loop from each green/blue balls lists, showing them in gdi window. same for collison list-call show method
for (int i = 0; i < _blueList.Count; i++)
{
_blueList[i].Show(_greenBlueGDI, i);
_greenBlueGDI.Render();
}
for (int i = 0; i < _greenList.Count; i++)
{
_greenList[i].Show(_greenBlueGDI, i);
_greenBlueGDI.Render();
}
for (int i = 0; i < _collidedBalls.Count; i++)
{
_collidedBalls[i].Show(_collidedGDI, i);
_collidedGDI.Render();
}
}