private void MainTimer_Tick(object sender, EventArgs e)
{
for (int k = 0; k < Races.Length; k++)
{
if (!Races[k].Forward(0.001f * (float)MainTimer.Interval))
{
Races[k] = new Firework(new Firework.Config());
}
}
Invalidate();
}
void MainCanvas_Draw(CanvasControl sender, CanvasDrawEventArgs args)
{
var ds = args.DrawingSession;
ds.Clear(Colors.Black);
float dt = m_stopwatch.ElapsedMilliseconds / 1000.0f;
m_stopwatch.Restart();
// We are abusing the Draw call as our "game loop" = create new fireworks here
// independent of the timing of input events.
//if (m_wasPointerPressed == true) // Disable check so we always are rendering.
{
for (int i = 0; i < Constants.NumPerFrame; i++)
{
var firework = new Firework(
(float)m_pointerPos.X + RndFloat(-Constants.PosRndMax, Constants.PosRndMax),
(float)m_pointerPos.Y + RndFloat(-Constants.PosRndMax, Constants.PosRndMax),
(float)(m_pointerPos.X - m_pointerPrevPos.X) / dt * Constants.PointerVelCoeff + RndFloat(-Constants.VelRndMax, Constants.VelRndMax),
(float)(m_pointerPos.Y - m_pointerPrevPos.Y) / dt * Constants.PointerVelCoeff + RndFloat(-Constants.VelRndMax, Constants.VelRndMax),
RndFloat(Constants.RadiusMin, Constants.RadiusMax),
Color.FromArgb(
255,
RndByte(0, 255),
RndByte(0, 255),
RndByte(0, 255)
));
m_controller.AddFirework(firework);
}
}
m_controller.UpdateFireworks(dt);
m_controller.RenderFireworks(ds);
// We snap the pointer position with each Draw call, independent of the frequency of input events.
m_pointerPrevPos = m_pointerPos;
// Render loop.
sender.Invalidate();
}
public void AddFirework(Firework f)
{
m_fireworks.Add(f);
}
public static void RemoveFirework(Firework firework)
{
fireworks.Remove(firework);
}
public void AddFirework(Firework f)
{
m_fireworks.Add(f);
}
void MainCanvas_Draw(CanvasControl sender, CanvasDrawEventArgs args)
{
var ds = args.DrawingSession;
ds.Clear(Colors.Black);
float dt = m_stopwatch.ElapsedMilliseconds / 1000.0f;
m_stopwatch.Restart();
// We are abusing the Draw call as our "game loop" = create new fireworks here
// independent of the timing of input events.
//if (m_wasPointerPressed == true) // Disable check so we always are rendering.
{
for (int i = 0; i < Constants.NumPerFrame; i++)
{
var firework = new Firework(
(float)m_pointerPos.X + RndFloat(-Constants.PosRndMax, Constants.PosRndMax),
(float)m_pointerPos.Y + RndFloat(-Constants.PosRndMax, Constants.PosRndMax),
(float)(m_pointerPos.X - m_pointerPrevPos.X) / dt * Constants.PointerVelCoeff + RndFloat(-Constants.VelRndMax, Constants.VelRndMax),
(float)(m_pointerPos.Y - m_pointerPrevPos.Y) / dt * Constants.PointerVelCoeff + RndFloat(-Constants.VelRndMax, Constants.VelRndMax),
RndFloat(Constants.RadiusMin, Constants.RadiusMax),
Color.FromArgb(
255,
RndByte(0, 255),
RndByte(0, 255),
RndByte(0, 255)
));
m_controller.AddFirework(firework);
}
}
m_controller.UpdateFireworks(dt);
m_controller.RenderFireworks(ds);
// We snap the pointer position with each Draw call, independent of the frequency of input events.
m_pointerPrevPos = m_pointerPos;
// Render loop.
sender.Invalidate();
}