public void step()
{
x += (int)vx;
y += (int)vy;
if (x > StreamGraphics.width)
{
x = StreamGraphics.width - (x - StreamGraphics.width);
vx = -vx;
vy += StepWorker.rnd.Next(3) - 1;
}
if (x < 0)
{
x = -x;
vx = -vx;
vy += StepWorker.rnd.Next(3) - 1;
}
if (y > StreamGraphics.height)
{
y = StreamGraphics.height - (y - StreamGraphics.height);
vy = -vy;
vx += StepWorker.rnd.Next(3) - 1;
}
if (y < 0)
{
y = -y;
vy = -vy;
vx += StepWorker.rnd.Next(3) - 1;
}
StreamGraphics.moveTo(id, x, y);
}
} // TODO: get this dynamically.
internal void reset()
{
lock (commandQueue)
{
commandQueue.Clear();
// foreach (GraphicsWorker worker in workers)
// {
// worker.reset();
// }
foreach (Thread workerThread in workerThreads)
{
workerThread.Interrupt();
}
foreach (Thread workerThread in workerThreads)
{
workerThread.Join();
}
workerThreads.Clear();
clear();
foreach (GraphicsWorker worker in workers)
{
StreamGraphics.startWorker(worker);
}
}
}
public void run()
{
StreamGraphics.clear();
StreamGraphics.setStepDelayMs(10);
for (int x = 0; x < 600; x += 10)
{
StreamGraphics.drawLine(
x,
0,
0,
600 - x,
Color.RED);
StreamGraphics.step();
}
StreamGraphics.setStepDelayMs(500);
StreamGraphics.drawText("Hello World!", 180, 300, 30, Color.YELLOW);
StreamGraphics.step();
StreamGraphics.drawText("Hello World!", 180, 300 + 40, 50, Color.MAGENTA);
StreamGraphics.step();
string bigtextId = StreamGraphics.drawText("Hello World!", 180, 300 + 40 + 50 + 20, 70, Color.CYAN);
StreamGraphics.rotateTo(bigtextId, -4);
StreamGraphics.step();
StreamGraphics.drawText(
"Try clicking with the mouse; use arrow keys; type something, use BACKSPACE to erase typed text!",
40, 570, 12, Color.WHITE);
robotX = 700;
robotY = 300;
robotId = StreamGraphics.drawSprite("images/robot.png", robotX, robotY);
StreamGraphics.step();
StreamGraphics.setStepDelayMs(10);
}
public static void Main(string[] args)
{
StreamGraphics.registerWorker(new DemoWorker());
// StreamGraphics.registerWorker(new SimpleWorker());
// StreamGraphics.registerWorker(new StepWorker());
CreateWebHostBuilder(args).Build().Run();
StreamGraphics.shutdown();
}
public void onPointerDown(int x, int y)
{
StreamGraphics.drawCircle(x, y, 20, Color.BLUE);
StreamGraphics.drawRect(x, y, 20, 30, Color.GREEN);
pointerX = x;
pointerY = y;
chars.Clear();
}
public Ball createBall()
{
int x = rnd.Next(StreamGraphics.width);
int y = rnd.Next(StreamGraphics.height);
int vx = rnd.Next(10) + 2;
int vy = rnd.Next(10) + 2;
string id = StreamGraphics.drawCircle(
x, y, 20, Color.randomLight(rnd));
return(new Ball(id, x, y, vx, vy));
}
public void onKeyDown(string key)
{
if (key == "Backspace")
{
if (chars.Count > 0)
{
string id = chars.Pop();
StreamGraphics.delete(id);
pointerX -= 20;
}
return;
}
else if (key == "ArrowUp")
{
robotY -= 10;
StreamGraphics.moveTo(robotId, robotX, robotY);
return;
}
else if (key == "ArrowUp")
{
robotY -= 10;
StreamGraphics.moveTo(robotId, robotX, robotY);
return;
}
else if (key == "ArrowDown")
{
robotY += 10;
StreamGraphics.moveTo(robotId, robotX, robotY);
return;
}
else if (key == "ArrowLeft")
{
robotX -= 10;
StreamGraphics.moveTo(robotId, robotX, robotY);
return;
}
else if (key == "ArrowRight")
{
robotX += 5;
StreamGraphics.moveTo(robotId, robotX, robotY);
return;
}
if (key.Length > 1)
{
return;
}
{
string id = StreamGraphics.drawText(key, pointerX, pointerY, 30, Color.WHITE);
chars.Push(id);
pointerX += 20;
}
}
public void randomLines()
{
for (int i = 0; i < 5000; i++)
{
StreamGraphics.drawLine(
rnd.Next(800),
rnd.Next(600),
rnd.Next(800),
rnd.Next(600),
new Color(rnd.Next(256), rnd.Next(256), rnd.Next(256)));
StreamGraphics.step();
}
}
public void redNoise()
{
StreamGraphics.setStepDelayMs(50);
StreamGraphics.setBufferSize(60 * StreamGraphics.width / 20 * StreamGraphics.height / 20);
while (true)
{
StreamGraphics.clear();
for (int x = 0; x < StreamGraphics.width; x += 20)
{
for (int y = 0; y < StreamGraphics.height; y += 20)
{
StreamGraphics.drawRect(
x, y, 20, 20,
new Color(rnd.Next(265), 0, 0));
}
}
StreamGraphics.step();
}
}
public void run()
{
StreamGraphics.setBufferSize(2000);
StreamGraphics.clear();
List <Ball> balls = new List <Ball>();
for (int i = 0; i < 30; i++)
{
Ball ball = createBall();
balls.Add(ball);
}
while (true)
{
foreach (Ball ball in balls)
{
ball.step();
}
StreamGraphics.step();
}
}
