/// <summary>
/// Draws the control.
/// </summary>
protected override void Draw()
{
UpdateTimer();
Update();
// Clear to the default control background color.
//Color backColor = new Color(BackColor.R, BackColor.G, BackColor.B);
Color backColor = Color.CornflowerBlue;
GraphicsDevice.Clear(backColor);
if (SpriteFont != null && LineBatch != null && Effect != null)
{
Matrix viewProjMatrix = viewMatrix * projMatrix;
lineBatch.NumLinesDrawn = 0;
float lineRadius = 4;
lineBatch.BlurThreshold = lineBatch.ComputeBlurThreshold(lineRadius, viewProjMatrix,
GraphicsDevice.PresentationParameters.BackBufferWidth);
float time = (float)gameTimer.TotalGameTime.TotalSeconds;
string curTechniqueName = roundLineTechniqueNames[roundLineTechniqueIndex];
lineBatch.Draw(blueRoundLines, viewProjMatrix, time, curTechniqueName);
lineBatch.Draw(greenRoundLines, viewProjMatrix, time, curTechniqueName);
dude.Pos = new Vector2(cameraX, cameraY);
lineBatch.Draw(dude, viewProjMatrix, time, "Tubular");
Vector2 textPos = new Vector2(50, 50);
spriteBatch.Begin();
if (gameTimer.IsRunningSlowly)
{
spriteBatch.DrawString(SpriteFont, "IsRunningSlowly", textPos, Color.Red);
}
else
{
spriteBatch.DrawString(SpriteFont, "IsRunningNormally", textPos, Color.White);
}
textPos += new Vector2(0, 30);
spriteBatch.DrawString(SpriteFont, string.Format("{0} Lines", lineBatch.NumLinesDrawn), textPos, Color.White);
textPos += new Vector2(0, 30);
spriteBatch.DrawString(SpriteFont, string.Format("Technique (Press A): {0}", curTechniqueName), textPos, Color.White);
spriteBatch.End();
}
}
private void DrawGridsAndScale()
{
Matrix viewProjMatrix = viewMatrix * projMatrix;
//var majorlinesPen = new Pen(System.Drawing.Color.Wheat, 1);
//var minorlinesPen = new Pen(System.Drawing.Color.LightGray, 1);
majorLines.Clear();
minorLines.Clear();
Xorigin = Yorigin = 0;
ScaleX = _width;
ScaleY = _height;
_width = (int)(SizePicture.X);
_height = (int)(SizePicture.Y);
var xMajorLines = (int)(_width / MajorIntervals / ScaleDraw.X);
var yMajorLines = (int)(_height / MajorIntervals / ScaleDraw.Y);
try
{
//draw X Axis major lines
for (int i = 0; i <= xMajorLines; i++)
{
float x = i * (_width / xMajorLines);
minorLines.Add(new XnaLine2d(x, 0.0f, x, _height, 4.0f, Color.LightGray));
//draw X Axis minor lines
for (int i1 = 1; i1 <= Xdivs; i1++)
{
float x1 = i1 * MajorIntervals / (Xdivs) * ScaleDraw.X;
majorLines.Add(new XnaLine2d(x + x1, 0, x + x1, _height, 4.0f, Color.Wheat));
}
}
//draw Y Axis major lines
for (int i = 0; i <= yMajorLines; i++)
{
//y = i * (Height / (yMajorLines));
float y = i * MajorIntervals * ScaleDraw.Y;
minorLines.Add(new XnaLine2d(0, y, _width, y, 4.0f, Color.LightGray));
//draw Y Axis minor lines
for (int i1 = 1; i1 <= Ydivs; i1++)
{
float y1 = i1 * MajorIntervals / (Ydivs) * ScaleDraw.Y;
majorLines.Add(new XnaLine2d(0, y + y1, _width, y + y1, 4.0f, Color.Wheat));
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
float time = (float)gameTimer.TotalGameTime.TotalSeconds;
string curTechniqueName = roundLineTechniqueNames[0];
if (LineBatch != null)
{
lineBatch.Draw(minorLines, viewProjMatrix, time, curTechniqueName);
lineBatch.Draw(majorLines, viewProjMatrix, time, curTechniqueName);
}
}