import Myro.*;

public class ElevenAMClass
{
    private MyroCanvas myCanvas;
    private static final double GRAVITY = 5.0;
    
    public ElevenAMClass()
    {
        myCanvas = new MyroCanvas("Woo Hoo!", 400, 300);
        myCanvas.setVisible(true);
        int numLines = 0;

        /*
            while(!MyroListener.isKeyPressed())
            {
            }
        */  
        while(true)
        {
            int r = MyroUtils.randomInt(0,255);
            int g = MyroUtils.randomInt(0,255);
            int b = MyroUtils.randomInt(0,255);
            int xStart = 300; //MyroUtils.randomInt(50,350);
            int xEnd = MyroUtils.randomInt(50,350);
            int yStart = 50; //MyroUtils.randomInt(50,250);
            int yEnd = MyroUtils.randomInt(50,250);
            double xVelocity = MyroGUI.inputDouble("xVelocity"); //MyroUtils.randomDouble() * 10.0 + 5.0; //10,30
            double yVelocity = MyroGUI.inputDouble("yVelocity"); //-(MyroUtils.randomDouble() * 10.0 + 5.0); //-10 -> -30
            MyroCircle circle = new MyroCircle(myCanvas, xStart, yStart, 10);
                
            MyroLine line = new MyroLine(myCanvas, xStart, yStart, xStart + (int)xVelocity, yStart + (int)yVelocity);
            line.setOutlineColor(new java.awt.Color(r,g,b));
            line.visible();
            MyroUtils.sleep(2);
            line.invisible();    
                        
            for (int i=0; i< 20; i++)
            {
                
                    
                //change the xPosition by xVelocity
                xStart += xVelocity;
                
                //change the yPosition by yVelocity
                yStart += yVelocity;
                
                
                //right side
                double distance = xStart + 10 -400;
                if (distance > 0)
                {
                    xVelocity *= -1.0;
                    xStart -= 2.0 * distance;
                    xVelocity *= 0.8;
                }
                
                //floor
                distance = yStart + 10 - 300;
                if (distance > 0)
                {
                    yVelocity *= -1.0;
                    yVelocity *= 0.8;
                    xVelocity *= 0.8;
                    yStart -= 2.0 * distance;
                    if (Math.abs(yVelocity) < 3)
                    {
                        yVelocity = 0.0;
                    }
                }
                      

                if (yVelocity != 0.0)
                {
                    yVelocity += GRAVITY;
                }
                
                //left side
                distance = xStart - 10 -0;
                if (distance < 0)
                {
                    xVelocity *= -1.0;
                    xStart -= 2.0 * distance;
                    xVelocity *= 0.8;
                }
                
                //erase
                circle.invisible();

                //draw
                circle = new MyroCircle(myCanvas, xStart, yStart, 10);
                circle.setOutlineColor(new java.awt.Color(r,g,b));
                circle.makeFilled();
                circle.setFillColor(new java.awt.Color(g,b,r));
                circle.visible();
    
                // sleep
                MyroUtils.sleep(0.05);
                
                
                    /* 
                    if (MyroUtils.randomInt(1,10)<10)
                    {
                        MyroLine line = new MyroLine(myCanvas, xStart, yStart, xEnd, yEnd);
                        line.setOutlineColor(new java.awt.Color(r,g,b));
                        line.visible();
                    }
                    else
                    {
                        MyroCircle circle = new MyroCircle(myCanvas, xStart, yStart, MyroUtils.randomInt(1,15));
                        circle.setOutlineColor(new java.awt.Color(r,g,b));
                        circle.makeFilled();
                        circle.setFillColor(new java.awt.Color(g,b,r));
                        circle.visible();
                    }  
                    */
                   
                    MyroUtils.sleep(0.01);
                
            }
        }
    }

}