private void timer1_Tick(object sender, EventArgs e)
{
const double ELAPSEDTIME = .5;
#region Do Physics
_poolBall.PrepareForNewTimerCycle();
if (_isMouseJustReleased)
{
_isMouseJustReleased = false;
MyVector force = new MyVector(_mouseDownPoint);
force.Subtract(new MyVector(_curMousePoint));
MyVector offset = new MyVector(_mouseDownPoint);
offset.Subtract(_poolBall.Position);
_poolBall.ApplyExternalForce(offset, force);
}
_poolBall.TimerTestPosition(ELAPSEDTIME);
_poolBall.TimerFinish();
#endregion
#region Draw
ClearPictureBox();
if (_isMouseDown)
{
DrawVector(_poolBall.Position, new MyVector(_mouseDownPoint.X, _mouseDownPoint.Y, 0), Color.Olive);
DrawVector(new MyVector(_mouseDownPoint.X, _mouseDownPoint.Y, 0), new MyVector(_curMousePoint.X, _curMousePoint.Y, 0), Color.Gold);
}
DrawBall(_poolBall, Color.Silver, Color.MediumPurple, Color.Purple);
BlitImage();
#endregion
}
private void timer2_Tick(object sender, EventArgs e)
{
const double GRAVITY = 20;
const double THRUSTERFORCE = 30;
const double ELAPSEDTIME = .5;
List <MyVector[]> thrustLines = new List <MyVector[]>();
#region Color PictureBoxes
if (_isUpPressed)
{
pctUp.BackColor = SystemColors.ControlDark;
}
else
{
pctUp.BackColor = SystemColors.Control;
}
if (_isDownPressed)
{
pctDown.BackColor = SystemColors.ControlDark;
}
else
{
pctDown.BackColor = SystemColors.Control;
}
if (_isLeftPressed && radPairedThrusters.Checked)
{
pctLeft.BackColor = SystemColors.ControlDark;
}
else
{
pctLeft.BackColor = SystemColors.Control;
}
if (_isRightPressed && radPairedThrusters.Checked)
{
pctRight.BackColor = SystemColors.ControlDark;
}
else
{
pctRight.BackColor = SystemColors.Control;
}
if (_isWPressed && radIndependantThrusters.Checked)
{
pctW.BackColor = SystemColors.ControlDark;
}
else
{
pctW.BackColor = SystemColors.Control;
}
if (_isSPressed && radIndependantThrusters.Checked)
{
pctS.BackColor = SystemColors.ControlDark;
}
else
{
pctS.BackColor = SystemColors.Control;
}
#endregion
#region Do Physics
_ship.PrepareForNewTimerCycle();
if (radIndependantThrusters.Checked)
{
#region Independant Thrusters
if (_isUpPressed)
{
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_BottomRight, new MyVector(0, -1, 0), THRUSTERFORCE); // up
}
if (_isDownPressed)
{
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_TopRight, new MyVector(0, 1, 0), THRUSTERFORCE); // down
}
if (_isWPressed)
{
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_BottomLeft, new MyVector(0, -1, 0), THRUSTERFORCE); // w
}
if (_isSPressed)
{
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_TopLeft, new MyVector(0, 1, 0), THRUSTERFORCE); // s
}
#endregion
}
else
{
#region Paired Thrusters
if (_isUpPressed)
{
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_BottomRight, new MyVector(0, -1, 0), THRUSTERFORCE); // up
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_BottomLeft, new MyVector(0, -1, 0), THRUSTERFORCE); // w
}
if (_isDownPressed)
{
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_TopRight, new MyVector(0, 1, 0), THRUSTERFORCE); // down
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_TopLeft, new MyVector(0, 1, 0), THRUSTERFORCE); // s
}
if (_isLeftPressed)
{
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_BottomRight, new MyVector(0, -1, 0), THRUSTERFORCE); // up
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_TopLeft, new MyVector(0, 1, 0), THRUSTERFORCE); // s
}
if (_isRightPressed)
{
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_TopRight, new MyVector(0, 1, 0), THRUSTERFORCE); // down
timer2_TickSprtApplyThrust(thrustLines, _shipThrusterOffset_BottomLeft, new MyVector(0, -1, 0), THRUSTERFORCE); // w
}
#endregion
}
if (chkShipGravity.Checked)
{
_ship.ExternalForce.Add(new MyVector(0, GRAVITY, 0));
}
_ship.TimerTestPosition(ELAPSEDTIME);
_ship.TimerFinish();
#endregion
#region Draw
ClearPictureBox();
// Ship
DrawBall(_ship, Color.SteelBlue, Color.LightSteelBlue, Color.DimGray);
// Thrusters
DrawThruster(_ship, _shipThrusterOffset_BottomRight);
DrawThruster(_ship, _shipThrusterOffset_BottomLeft);
DrawThruster(_ship, _shipThrusterOffset_TopRight);
DrawThruster(_ship, _shipThrusterOffset_TopLeft);
// Thrust Lines
foreach (MyVector[] thrustPair in thrustLines)
{
MyVector thrustStart = _ship.Rotation.GetRotatedVector(thrustPair[0], true);
thrustStart.Add(_ship.Position);
MyVector thrustStop = thrustPair[1] * -20d;
thrustStop.Add(thrustPair[0]);
thrustStop = _ship.Rotation.GetRotatedVector(thrustStop, true);
thrustStop.Add(_ship.Position);
DrawVector(thrustStart, thrustStop, Color.Coral, 4);
}
BlitImage();
#endregion
}
