2D Platformer

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace PlatoformerTut
{
    public partial class Platformer : Form
    {

        bool isJumping = false;
        List<Coin> cList = new List<Coin>();
        int score = 0;

        public Platformer()
        {
            InitializeComponent();
        }

        private void tmrGravity_Tick(object sender, EventArgs e)
        {
            if(!pbPlayer.Bounds.IntersectsWith(pbGround.Bounds) && isJumping == false)
            {
                pbPlayer.Top += 10;
            }
        }

        private void tmrUp_Tick(object sender, EventArgs e)
        {
            pbPlayer.Top -= 10;
            isJumping = true;
        }

        private void tmrRight_Tick(object sender, EventArgs e)
        {
            pbPlayer.Left += 10;
        }

        private void tmrLeft_Tick(object sender, EventArgs e)
        {
            pbPlayer.Left -= 10;
        }

        private void Platformer_KeyDown(object sender, KeyEventArgs e)
        {
            if(e.KeyCode == Keys.Up)
            {
                tmrUp.Start();
            }
            else if (e.KeyCode == Keys.Right)
            {
                tmrRight.Start();
            }
            else if (e.KeyCode == Keys.Left)
            {
                tmrLeft.Start();
            }
        }

        private void Platformer_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Up)
            {
                tmrUp.Stop();
                isJumping = false;
            }
            else if (e.KeyCode == Keys.Right)
            {
                tmrRight.Stop();
            }
            else if (e.KeyCode == Keys.Left)
            {
                tmrLeft.Stop();
            }
        }

        private void Platformer_Load(object sender, EventArgs e)
        {
            Coin c1 = new Coin();
            Coin c2 = new Coin();
            c1.drawTo(this);
            cList.Add(c1);
            c1.setPos(100, 200);
            c2.drawTo(this);
            cList.Add(c2);
            c2.setPos(200, 200);
        }

        private void tmrGameLoop_Tick(object sender, EventArgs e)
        {
            foreach(Coin c in cList)
            {
                if (pbPlayer.Bounds.IntersectsWith(c.getBounds()))
                {
                    c.setPos(1001, 1001);
                    score++;
                    lblScore.Text = "Score: " + score;
                }
            }
        }
    }
}

///////////////////////////////////////////////////////////////////

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Drawing;

namespace PlatoformerTut
{
    class Coin
    {

        private PictureBox pbCoin = new PictureBox();

        public Coin()
        {
            pbCoin.Width = 10;
            pbCoin.Height = 10;
            pbCoin.BackColor = Color.Yellow;
        }

        public void drawTo(Form f)
        {
            f.Controls.Add(pbCoin);
        }

        public Rectangle getBounds()
        {
            return pbCoin.Bounds;
        }

        public void setPos(int x, int y)
        {
            pbCoin.Location = new Point(x, y);
        }
    }
}