public static void DisplayWorld(World cWorld, Runner cRunner, Graphics g)
{
// Draw the player and his sensors.
Bitmap cTempBitmap = new Bitmap(cWorld.GetWorldWidth(), cWorld.GetWorldHeight());
Graphics gGraphicsOnBitmap = Graphics.FromImage(cTempBitmap);
gGraphicsOnBitmap.Clear(Color.Black);
gGraphicsOnBitmap.DrawImageUnscaled(cWorld.GetBackground(), 0, 0);
PointF cPlayerPosition = cRunner.GetPosition();
Vector cPlayerRotation = cRunner.GetRotation();
gGraphicsOnBitmap.FillEllipse(Brushes.Red, cPlayerPosition.X - 5, cPlayerPosition.Y - 5, 10, 10);
float dDistanceToIntersection = IntersectorFinder.FindIntersectionOnBitmap(cWorld.m_cBackgroundImageFast, cPlayerPosition, cPlayerRotation);
gGraphicsOnBitmap.DrawLine(Pens.Red, cPlayerPosition, Vector.GetEndPointFromStartPoint(cPlayerPosition, cPlayerRotation.Multiply(dDistanceToIntersection)));
gGraphicsOnBitmap.DrawLine(Pens.Red, cPlayerPosition, Vector.GetEndPointFromStartPoint(cPlayerPosition, cPlayerRotation.Rotate30Degrees().Multiply(30)));
gGraphicsOnBitmap.DrawLine(Pens.Red, cPlayerPosition, Vector.GetEndPointFromStartPoint(cPlayerPosition, cPlayerRotation.RotateMinus30Degrees().Multiply(30)));
g.DrawImageUnscaled(cTempBitmap, 0, 0);
cTempBitmap.Dispose();
gGraphicsOnBitmap.Dispose();
}
private void CalculateDistances(World cWorld)
{
m_dDistanceAhead = IntersectorFinder.FindIntersectionOnBitmap(cWorld.m_cBackgroundImageFast, m_cPlayerPosition, m_cPlayerRotation);
m_dDistance30DegreesRight = IntersectorFinder.FindIntersectionOnBitmap(cWorld.m_cBackgroundImageFast, m_cPlayerPosition, m_cPlayerRotation.Rotate30Degrees());
m_dDistance30DegreesLeft = IntersectorFinder.FindIntersectionOnBitmap(cWorld.m_cBackgroundImageFast, m_cPlayerPosition, m_cPlayerRotation.RotateMinus30Degrees());
}
void cTimer_Tick(object sender, EventArgs e)
{
// Move the player in it's direction.
m_cPlayerPosition = Vector.GetEndPointFromStartPoint(m_cPlayerPosition, m_cDirectionVector);
// Make sure that the player doesn't exit walls.
if (m_cPlayerPosition.X < 0)
{
m_cPlayerPosition.X = 0;
}
if (m_cPlayerPosition.X >= this.Width)
{
m_cPlayerPosition.X = this.Width - 1;
}
if (m_cPlayerPosition.Y < 0)
{
m_cPlayerPosition.Y = 0;
}
if (m_cPlayerPosition.Y >= this.Height)
{
m_cPlayerPosition.Y = this.Height - 1;
}
if (m_fPressingRight == true)
{
m_cPlayerRotation = m_cPlayerRotation.Rotate5Degrees().Normalize();
}
if (m_fPressingLeft == true)
{
m_cPlayerRotation = m_cPlayerRotation.RotateMinus5Degrees().Normalize();
}
if (m_fPressingUp == true)
{
m_cDirectionVector.Add(m_cPlayerRotation.Multiply(SPEED_ADDITION));
}
if (m_fPressingDown == true)
{
m_cDirectionVector.Substract(m_cPlayerRotation.Multiply(SPEED_ADDITION));
}
// Draw the player and his sensors.
Graphics g = this.CreateGraphics();
Bitmap cTempBitmap = new Bitmap(this.Width, this.Height);
Graphics gGraphicsOnBitmap = Graphics.FromImage(cTempBitmap);
gGraphicsOnBitmap.Clear(Color.Black);
gGraphicsOnBitmap.DrawImageUnscaled(m_cBackgroundImage, 0, 0);
gGraphicsOnBitmap.FillEllipse(Brushes.Red, m_cPlayerPosition.X - 5, m_cPlayerPosition.Y - 5, 10, 10);
float dDistanceToIntersectionAhead = IntersectorFinder.FindIntersectionOnBitmap(m_cBackgroundImageFast, m_cPlayerPosition, m_cPlayerRotation);
float dDistanceToIntersection30DegreesRight = IntersectorFinder.FindIntersectionOnBitmap(m_cBackgroundImageFast, m_cPlayerPosition, m_cPlayerRotation.Rotate30Degrees());
float dDistanceToIntersection30DegreesLeft = IntersectorFinder.FindIntersectionOnBitmap(m_cBackgroundImageFast, m_cPlayerPosition, m_cPlayerRotation.RotateMinus30Degrees());
gGraphicsOnBitmap.DrawLine(Pens.Red, m_cPlayerPosition, Vector.GetEndPointFromStartPoint(m_cPlayerPosition, m_cPlayerRotation.Multiply(dDistanceToIntersectionAhead)));
gGraphicsOnBitmap.DrawLine(Pens.Red, m_cPlayerPosition, Vector.GetEndPointFromStartPoint(m_cPlayerPosition, m_cPlayerRotation.Rotate30Degrees().Multiply(dDistanceToIntersection30DegreesRight)));
gGraphicsOnBitmap.DrawLine(Pens.Red, m_cPlayerPosition, Vector.GetEndPointFromStartPoint(m_cPlayerPosition, m_cPlayerRotation.RotateMinus30Degrees().Multiply(dDistanceToIntersection30DegreesLeft)));
gGraphicsOnBitmap.DrawString("Distance ahead " + dDistanceToIntersectionAhead, new Font("Times New Roman", 12.0f), Brushes.Red, 0, 0);
g.DrawImageUnscaled(cTempBitmap, 0, 0);
cTempBitmap.Dispose();
gGraphicsOnBitmap.Dispose();
}