public void Draw(SpriteBatch spriteBatch, GraphicsDeviceManager graphics)
{
graphics.GraphicsDevice.Clear(Color.CornflowerBlue);
spriteBatch.Draw(background, new Vector2(0, 0), Color.White);
TennisBall.Draw(spriteBatch);
Panel.Draw(spriteBatch);
JumpButton.Draw(spriteBatch);
EndBlock.Draw(spriteBatch);
gui.Draw(spriteBatch);
spriteBatch.Draw(cursorTexture, cursorRectangle, Color.White);
}
// picture box mouse down event
private void pictureBox_MouseDown(object sender, MouseEventArgs e)
{
// disable buttons during block moving
if (scrollDown)
{
return;
}
// if block has to start moving
if (e.Button == MouseButtons.Middle && selected != null && !linking)
{
scrollDown = true;
pictureBoxImage = CreateImageWithoutSelectedBlock(selected);
xDis = selected.X - e.X;
yDis = selected.Y - e.Y;
}
// (un)select block
if (e.Button == MouseButtons.Right)
{
SelectBlock(e.X, e.Y);
RefreshScheme();
pictureBoxImage = (Image)pictureBox.Image.Clone();
}
// left click mouse interaction
if (e.Button == MouseButtons.Left)
{
// create operation block
if (button == OperationBoxButton)
{
canvas = Graphics.FromImage(pictureBox.Image);
OperatingBlock bloc = new OperatingBlock(e.X, e.Y, resourceManager.GetString("OperationBlock"));
bloc.Draw(canvas);
blockList.Add(bloc);
}
// create decide block
else if (button == DecidingBoxButton)
{
canvas = Graphics.FromImage(pictureBox.Image);
DecidingBlock bloc = new DecidingBlock(e.X, e.Y, resourceManager.GetString("DecideBlock"));
bloc.Draw(canvas);
blockList.Add(bloc);
}
// create start block
else if (button == startBoxButton)
{
if (FindNearestBlock((Block b) =>
{
if (b.GetType().Name == "StartBlock")
{
return(true);
}
else
{
return(false);
}
}, blockList, e.X, e.Y) == null)
{
// create
canvas = Graphics.FromImage(pictureBox.Image);
StartBlock bloc = new StartBlock(e.X, e.Y, resourceManager.GetString("StartBlock"));
bloc.Draw(canvas);
blockList.Add(bloc);
}
else
{
// if already exist then show message
MessageBox.Show(resourceManager.GetString("DoubleStartBlockWarning"));
}
}
//create end block
else if (button == endBoxButton)
{
canvas = Graphics.FromImage(pictureBox.Image);
EndBlock bloc = new EndBlock(e.X, e.Y, resourceManager.GetString("StopBlock"));
bloc.Draw(canvas);
blockList.Add(bloc);
}
// start link creating
else if (button == linkButton)
{
LinkPoint x = null;
foreach (Block block in blockList)
{
if ((x = block.CheckPoint(e.X, e.Y, false)) != null)
{
selectedLinkPoint = x;
}
}
if (selectedLinkPoint != null)
{
linking = true;
pictureBox.Refresh();
pictureBoxImage = (Image)pictureBox.Image.Clone();
}
}
// delete block
else if (button == deleteButton)
{
Block removed = FindNearestBlock((Block block) => block.Click(e.X, e.Y), blockList, e.X, e.Y);
if (removed != null)
{
textSelectedBlock.Enabled = false;
textSelectedBlock.Text = "";
if (selected == removed)
{
selected = null;
}
removed.Remove();
blockList.Remove(removed);
}
RefreshScheme();
}
}
pictureBox.Refresh();
}