private void CreateCircleGeometry(RenderContext renderContext)
{
CanvasContext2D ctx = renderContext.Device;
ctx.Save();
ctx.Scale(1, Width / Height);
ctx.Translate(X, Y);
ctx.Rotate(RotationAngle * RC);
ctx.BeginPath();
ctx.Arc(0, 0, Width, 0, Math.PI * 2, false);
ctx.ClosePath();
ctx.LineWidth = 0;
ctx.FillStyle = Color.ToString();
ctx.Alpha = Opacity;
ctx.Fill();
ctx.Restore();
}
private void CreateDonutGeometry(RenderContext renderContext)
{
//todo move to dashed lines in future
CanvasContext2D ctx = renderContext.Device;
ctx.Save();
ctx.Translate(X, Y);
ctx.Scale(1, Height / Width);
ctx.Rotate(RotationAngle * RC);
ctx.BeginPath();
ctx.Arc(0, 0, Width / 2, 0, Math.PI * 2, false);
ctx.ClosePath();
ctx.LineWidth = 9;
ctx.StrokeStyle = Color.ToString();
ctx.Alpha = Opacity;
ctx.Stroke();
ctx.Restore();
}
protected override void Update(CanvasContext2D context)
{
if (Status != RaceStatus.Fail && Status != RaceStatus.Win)
{
context.DrawImage(_timeLeftFrame, 308, 10);
Type.SetField(context, "textAlign", "right");
context.FillStyle = "#00AD11";
if (TimeLeft > 10000 || Math.Floor((TimeLeft / 300) % 2) != 0)
{
if (TimeLeft < 0)
{
TimeLeft = 0;
}
context.Font = "110px Digital";
context.FillText(Math.Floor(TimeLeft / 1000).ToString(), 475, 105);
}
if (Speed > 0)
{
context.Save();
context.Scale(-1, 1);
long width = Math.Floor((10 * Speed) / MaxSpeed) * 22;
if (width > 0)
{
context.DrawImage(_meterImage, 220 - width, 0, width, 102, -561 - width, 20, width, 102);
}
context.Restore();
}
context.Font = "30px Digital";
context.FillText(Math.Floor(Speed * 5) + " Km/h", 780, 120);
int rpmWidth = Math.Floor(_rpm / 500) * 22 + 22;
context.DrawImage(_meterImage, 220 - rpmWidth, 0, rpmWidth, 102, 240 - rpmWidth, 20, rpmWidth, 102);
context.FillText(Math.Floor(_rpm) + " RPM", 130, 120);
context.BeginPath();
context.LineWidth = 3;
context.StrokeStyle = "#00AD11";
context.MoveTo(5, 150);
float x = 5 + Math.Min(Position * 735 / RoadLength, 735);
context.LineTo(x, 150);
context.Stroke();
context.ClosePath();
context.BeginPath();
context.StrokeStyle = "#006808";
context.MoveTo(x, 150);
context.LineTo(790, 150);
context.Stroke();
context.ClosePath();
context.DrawImage(_markerImage, x, 142);
}
if (Status == RaceStatus.Running)
{
TimeLeft -= DeltaTime;
if (TimeLeft < 0)
{
_music.Pause();
CarSystem.CarObject.CurrentAnimation = "Forward";
Status = RaceStatus.Fail;
ShowMessage(_failMessage);
RemoveSystem(_engineSoundSystem);
RemoveSystem(_npcSystem);
pendingTimers.Add(Window.SetTimeout(delegate()
{
UpdateMessage("<p>Press a key to continue.</p>");
}, 3000));
}
}
}
public void Update()
{
// Calculate next position of fish
double fps = FishTank.FramesPerSecond;
_velocity = Math.Max(Math.Floor(fps * fps * .5 / 3), 1);
double nextX = _x + _xAngle * _velocity * FishTank.TimeDelta;
double nextY = _y + _yAngle * _velocity * FishTank.TimeDelta;
double nextZ = _z + _zAngle * .1 * _velocity * FishTank.TimeDelta;
double nextScale = Math.Abs(nextZ) / (FishTank.ZFar - FishTank.ZNear);
// If fish is going to move off right side of screen
if (nextX + FishTank.FishWidth / 2 * _scale > _tank.Width)
{
// If angle is between 3 o'clock and 6 o'clock
if ((_angle >= 0 && _angle < Math.PI / 2))
{
_angle = Math.PI - _angle;
_xAngle = Math.Cos(_angle);
_yAngle = Math.Sin(_angle) * Math.Random();
_flip = -_flip;
}
else if (_angle > Math.PI / 2 * 3)
{
// If angle is between 12 o'clock and 3 o'clock
_angle = _angle - (_angle - Math.PI / 2 * 3) * 2;
_xAngle = Math.Cos(_angle);
_yAngle = Math.Sin(_angle) * Math.Random();
_flip = -_flip;
}
}
// If fish is going to move off left side of screen
if (nextX - FishTank.FishWidth / 2 * _scale < 0)
{
if ((_angle > Math.PI / 2 && _angle < Math.PI))
{
// If angle is between 6 o'clock and 9 o'clock
_angle = Math.PI - _angle;
_xAngle = Math.Cos(_angle);
_yAngle = Math.Sin(_angle) * Math.Random();
_flip = -_flip;
}
else if (_angle > Math.PI && _angle < Math.PI / 2 * 3)
{
// If angle is between 9 o'clock and 12 o'clock
_angle = _angle + (Math.PI / 2 * 3 - _angle) * 2;
_xAngle = Math.Cos(_angle);
_yAngle = Math.Sin(_angle) * Math.Random();
_flip = -_flip;
}
}
// If fish is going to move off bottom side of screen
if (nextY + FishTank.FishHeight / 2 * _scale > _tank.Height)
{
// If angle is between 3 o'clock and 9 o'clock
if ((_angle > 0 && _angle < Math.PI))
{
_angle = Math.PI * 2 - _angle;
_xAngle = Math.Cos(_angle);
_yAngle = Math.Sin(_angle) * Math.Random();
}
}
// If fish is going to move off top side of screen
if (nextY - FishTank.FishHeight / 2 * _scale < 0)
{
// If angle is between 9 o'clock and 3 o'clock
if ((_angle > Math.PI && _angle < Math.PI * 2))
{
_angle = _angle - (_angle - Math.PI) * 2;
_xAngle = Math.Cos(_angle);
_yAngle = Math.Sin(_angle);
}
}
// If fish is going too far (getting too small)
if (nextZ <= FishTank.ZNear && _zAngle < 0)
{
_zAngle = -_zAngle;
}
// If fish is getting to close (getting too large)
if (((_tank.Width / FishTank.FishWidth) * 10) < ((FishTank.FishWidth * FishTank.FishCount) / _tank.Width))
{
_zFactor = .3;
}
else if (((_tank.Width / FishTank.FishWidth) * 2) < ((FishTank.FishWidth * FishTank.FishCount) / _tank.Width))
{
_zFactor = .5;
}
else
{
_zFactor = 1;
}
if (nextZ >= FishTank.ZFar * _zFactor && _zAngle > 0)
{
_zAngle = -_zAngle;
}
if (_scale < .1)
{
// Don't let fish get too tiny
_scale = .1;
}
// Draw the fish
_context.Save();
// Move the fish to where it is within the fish tank
_context.Translate(_x, _y);
// Make the fish bigger or smaller depending on how far away it is.
_context.Scale(_scale, _scale);
// Make the fish face the way it is swimming.
_context.Transform(_flip, 0, 0, 1, 0, 0);
_context.DrawImage(_fishStrip,
FishTank.FishWidth * _cellIndex, FishTank.FishHeight * _species,
FishTank.FishWidth, FishTank.FishHeight,
-FishTank.FishWidth / 2, -FishTank.FishHeight / 2,
FishTank.FishWidth, FishTank.FishHeight);
_context.Restore();
// Increment to next state
_x = nextX;
_y = nextY;
_z = nextZ;
_scale = nextScale;
if ((_cellIndex >= FishTank.CellsInFishStrip - 1) || (_cellIndex <= 0))
{
// Go through each cell in the animation
_cellReverse = -_cellReverse;
}
// Go back down once we hit the end of the animation
_cellIndex = _cellIndex + _cellReverse;
}