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Create pinball game #422

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Create pinball game #422

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209 changes: 209 additions & 0 deletions java/pinball game
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Original file line number Diff line number Diff line change
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import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Panel00 extends JPanel {
Timer t = new Timer(1, new Listener());
int ctr = 0;
double G = 0.1; //Gravitational Constant

final int xpos = 280;

double[] p2d = {280, 200};
double[] v2d = {0, 0};

int points = 0;
int lives = 0;
int sides = 13;

double snorm = 400;
double sd = 450;
double sv = 0;
boolean setlock = false;
boolean rdown, ldown;
double paddle = 130;
double rtheta = 0;
double ltheta = 0;

int preset[][] = {
{0, 400, 135, 450,1}, //right paddle
{135, 450, 270, 400,1}, //left paddle
{270, 0, 300, 20, 1}, //first bouncey thingy
{291, 0, 291, 500, 1}, //right wall
{-1, 0, 270, 0, 1}, //top wall
{0, -1, 0, 500, 1} //left wall
};

int[][] balls = {
{80, 80, 30, 50},
{230, 280, 20, 200},
{50, 200, 25, 100},
{200, 100, 10, 500}
};
int lines[][] = new int[100][5];

public Panel00(){
super();
t.start();
addKeyListener(new Key());
setFocusable(true);

for(int i = 0; i < preset.length; i++){
lines[i] = preset[i];
}

int plen = preset.length;

int ct = 0;
for(int k = 0; k < balls.length; k++){
int px = balls[k][0], py = balls[k][1], radius = balls[k][2];
for(double i = 0; i < 2 * Math.PI; i+= 2 * Math.PI/ sides){
ct++;
lines[plen + ct][0] = px + (int) (radius * Math.cos(i));
lines[plen + ct][1] = py + (int) (radius * Math.sin(i));
lines[plen + ct][2] = px + (int) (radius * Math.cos(i - 2 *Math.PI / sides));
lines[plen + ct][3] = py + (int) (radius * Math.sin(i - 2 * Math.PI / sides));
}
}

}

private class Listener implements ActionListener {
public void actionPerformed(ActionEvent e){
repaint();
}
}

public void paintComponent(Graphics g){
super.paintComponent(g);
v2d[1] += G;
p2d[1] += v2d[1];
p2d[0] += v2d[0];



if(p2d[1] > 1000){
p2d[0] = 280;
p2d[1] = 200;
v2d[0] = 0;
v2d[1] = 0;
lives++;
}
if(p2d[0] == 280 && p2d[1] > sd){
p2d[1] = sd;
v2d[1] = Math.min(v2d[1], sv);
}

if(setlock == false){
sv *= 0.95; //the dampening coefficient for the springiness
sv -= (sd - snorm)/30;
sd += sv;
}
double rc = 0.1;
if(rdown){
rtheta = Math.max(-0.5, rtheta - rc);
}else{
rtheta = Math.min(0.5, rtheta + rc);
}
if(ldown){
ltheta = Math.max(-0.5, ltheta - rc);
}else{
ltheta = Math.min(0.5, ltheta + rc);
}

lines[0][2] = lines[0][0] + (int) (Math.cos(ltheta) * paddle);
lines[0][3] = lines[0][1] + (int) (Math.sin(ltheta) * paddle);
lines[1][0] = lines[1][2] + (int) (-Math.cos(rtheta) * paddle);
lines[1][1] = lines[1][3] + (int) (Math.sin(rtheta) * paddle);
int rX = (int) p2d[0];
int rY = (int) p2d[1];
int r = 10;
g.setColor(Color.blue);
g.drawArc(rX - r, rY - r, 2 * r, 2 * r, 0, 360);
g.setColor(Color.black);
for(int i = 0; i < lines.length; i++){
int x1 = lines[i][0],
y1 = lines[i][1],
x2 = lines[i][2];
double y2 = lines[i][3] + 0.0001;
if(i > preset.length){
g.setColor(Color.red);
}
g.drawLine(x1, y1, x2, (int) Math.round(y2));

double bmag = Math.sqrt(v2d[0] * v2d[0] + v2d[1] * v2d[1]);
double lineslope = ((double)(x2 - x1))/((double)(y2 - y1));
double ballslope = v2d[0] / v2d[1];
//System.out.println(ballslope + " " + lineslope);
//xpos * ballslope + p2d[1] = xpos * lineslope + y1;
double binter = p2d[0] - ballslope * p2d[1];
double linter = x1 - lineslope * y1;

double y = (binter - linter)/(lineslope - ballslope);
double sx = y * ballslope + binter;
//double qx = y * lineslope + linter;
double la = Math.atan2(y2 - y1, x2 - x1);
double ba = Math.atan2(v2d[1], v2d[0]);

double da = 2 * la - ba;

//System.out.println(sx + " " + y);
/*
g.drawLine((int)sx, (int)y, (int)p2d[0], (int)p2d[1]);
g.fillRect((int)sx - 2, (int)y - 2, 4, 4);
g.drawLine((int)p2d[0], (int)p2d[1], (int) (p2d[0] + Math.cos(da) * 100), (int)(p2d[1] + Math.sin(da) * 100));
//*/
if(sx >= Math.min(x2, x1) && sx <= Math.max(x1, x2) &&
Math.min(y1, y2) <= y && Math.max(y1, y2) >= y){
double interdist = Math.sqrt(Math.pow(sx - p2d[0],2) + Math.pow(y - p2d[1],2));
double tiny = 0.0001;
double futuredist = Math.sqrt(Math.pow(sx - (p2d[0] + Math.cos(ba) * tiny),2) + Math.pow(y - (p2d[1] + Math.sin(ba) * tiny),2));

if(interdist <= bmag + r && futuredist < interdist){
//System.out.println("Carl Sagan" + i); //this is a pun because he wrote a book called Contact
if(i > preset.length){
int ball = (int) Math.floor((i - preset.length)/sides);
//System.out.println(balls[ball][2]);
points += balls[ball][3] * bmag;
}
v2d[0] = Math.cos(da) * bmag;
v2d[1] = Math.sin(da) * bmag;
}
}
}
g.setColor(Color.black);
//System.out.println(sx + " " + qx);
//System.out.println(ballslope + " " + lineslope);
//double slope = Math.atan2(v2d[1], v2d[0]);
//g.drawLine((int) p2d[0], (int) p2d[1], (int) (p2d[0]+10*v2d[0]), (int) (p2d[1]+10*v2d[1]));

g.fillRect(xpos - 5, (int)sd + 10, 10, 20);

g.drawString("Score: " + points + " Resets: " + lives, 10, 15);

}

private class Key extends KeyAdapter {
public void keyPressed(KeyEvent e){
if(e.getKeyCode() == KeyEvent.VK_DOWN){
setlock = true;
sd += 2;
}
if(e.getKeyCode() == KeyEvent.VK_LEFT){
ldown = true;
}
if(e.getKeyCode() == KeyEvent.VK_RIGHT){
rdown = true;
}
}
public void keyReleased(KeyEvent e){
setlock = false;
if(e.getKeyCode() == KeyEvent.VK_LEFT){
ldown = false;
}
if(e.getKeyCode() == KeyEvent.VK_RIGHT){
rdown = false;
}
}
}
}