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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ShiftOS.Engine;
namespace ShiftOS.WinForms.Applications
{
[Launcher("Pong", true, "al_pong", "Games")]
[WinOpen("pong")]
[DefaultTitle("Pong")]
[DefaultIcon("iconPong")]
public partial class Pong : UserControl, IShiftOSWindow
{
public Pong()
{
InitializeComponent();
paddleWidth = pnlcanvas.Width / 30;
drawTimer = new Timer();
drawTimer.Interval = 16;
drawTimer.Tick += (o, a) =>
{
UpdateBall();
pnlcanvas.Refresh();
};
}
private double ballX = 0.0f;
private double ballY = 0.0f;
private double speedFactor = 0.025;
private double xVel = 1;
private double yVel = 1;
private int paddleWidth;
private double playerY = 0.0;
private double opponentY = 0.0;
public void UpdateBall()
{
double ballXLocal = linear(ballX, -1.0, 1.0, 0, pnlcanvas.Width);
double ballYLocal = linear(ballY, -1.0, 1.0, 0, pnlcanvas.Height);
ballXLocal -= ((double)paddleWidth / 2);
ballYLocal -= ((double)paddleWidth / 2);
double playerYLocal = linear(playerY, -1.0, 1.0, 0, pnlcanvas.Height);
double opponentYLocal = linear(opponentY, -1.0, 1.0, 0, pnlcanvas.Height);
int paddleHeight = pnlcanvas.Height / 5;
Rectangle ballRect = new Rectangle((int)ballXLocal, (int)ballYLocal, paddleWidth, paddleWidth);
Rectangle playerRect = new Rectangle((int)paddleWidth, (int)(playerYLocal - (int)(paddleHeight / 2)), (int)paddleWidth, (int)paddleHeight);
Rectangle opponentRect = new Rectangle((int)(pnlcanvas.Width - (paddleWidth * 2)), (int)(opponentYLocal - (int)(paddleHeight / 2)), (int)paddleWidth, (int)paddleHeight);
//Top and bottom walls:
if (ballRect.Top <= 0 || ballRect.Bottom >= pnlcanvas.Height)
yVel = -yVel; //reverse the Y velocity
//Left and right walls (NOTE: TEMPORARY)
if (ballRect.Left <= 0 || ballRect.Right >= pnlcanvas.Width)
xVel = -xVel; //reverse the Y velocity
//Enemy paddle:
if (ballRect.IntersectsWith(opponentRect))
{
//check if the ball x is greater than the player paddle's middle coordinate
if (ballRect.Right <= opponentRect.Right - (opponentRect.Width / 2))
{
//reverse x velocity to send the ball the other way
xVel = -xVel;
//set y velocity based on where the ball hit the paddle
yVel = linear((ballRect.Top + (ballRect.Height / 2)), opponentRect.Top, opponentRect.Bottom, -1, 1);
}
}
//Player paddle:
if (ballRect.IntersectsWith(playerRect))
{
//check if the ball x is greater than the player paddle's middle coordinate
if(ballRect.Left >= playerRect.Left + (playerRect.Width / 2))
{
//reverse x velocity to send the ball the other way
xVel = -xVel;
//set y velocity based on where the ball hit the paddle
yVel = linear((ballRect.Top + (ballRect.Height / 2)), playerRect.Top, playerRect.Bottom, -1, 1);
}
}
ballX += xVel * speedFactor;
ballY += yVel * speedFactor;
}
private void pnlcanvas_Paint(object sender, PaintEventArgs e)
{
paddleWidth = pnlcanvas.Width / 30;
double ballXLocal = linear(ballX, -1.0, 1.0, 0, pnlcanvas.Width);
double ballYLocal = linear(ballY, -1.0, 1.0, 0, pnlcanvas.Height);
ballXLocal -= ((double)paddleWidth / 2);
ballYLocal -= ((double)paddleWidth / 2);
e.Graphics.Clear(pnlcanvas.BackColor);
//draw the ball
e.Graphics.FillEllipse(new SolidBrush(pnlcanvas.ForeColor), new RectangleF((float)ballXLocal, (float)ballYLocal, (float)paddleWidth, (float)paddleWidth));
double playerYLocal = linear(playerY, -1.0, 1.0, 0, pnlcanvas.Height);
double opponentYLocal = linear(opponentY, -1.0, 1.0, 0, pnlcanvas.Height);
int paddleHeight = pnlcanvas.Height / 5;
int paddleStart = paddleWidth;
//draw player paddle
e.Graphics.FillRectangle(new SolidBrush(pnlcanvas.ForeColor), new RectangleF((float)paddleWidth, (float)(playerYLocal - (float)(paddleHeight / 2)), (float)paddleWidth, (float)paddleHeight));
//draw opponent
e.Graphics.FillRectangle(new SolidBrush(pnlcanvas.ForeColor), new RectangleF((float)(pnlcanvas.Width - (paddleWidth*2)), (float)(opponentYLocal - (float)(paddleHeight / 2)), (float)paddleWidth, (float)paddleHeight));
}
static public double linear(double x, double x0, double x1, double y0, double y1)
{
if ((x1 - x0) == 0)
{
return (y0 + y1) / 2;
}
return y0 + (x - x0) * (y1 - y0) / (x1 - x0);
}
Timer drawTimer = null;
public void OnLoad()
{
drawTimer.Start();
}
public void OnSkinLoad()
{
}
public bool OnUnload()
{
drawTimer.Stop();
return true;
}
public void OnUpgrade()
{
}
private void pnlcanvas_MouseMove(object sender, MouseEventArgs e)
{
playerY = linear(e.Y, 0, pnlcanvas.Height, -1, 1);
}
}
}
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