From 2acc61685652790fc25e6234a8ba7a9b8d2f3da5 Mon Sep 17 00:00:00 2001 From: RathoreUtkarsh <117072229+RathoreUtkarsh@users.noreply.github.com> Date: Mon, 31 Oct 2022 20:02:58 +0530 Subject: [PATCH 1/4] Hacktoberfest-2022 --- file.cpp | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 file.cpp diff --git a/file.cpp b/file.cpp new file mode 100644 index 0000000..b465305 --- /dev/null +++ b/file.cpp @@ -0,0 +1,39 @@ +#include +using namespace std; + +struct student +{ + char name[50]; + int roll; + float marks; +} s[10]; + +int main() +{ + cout << "Enter information of students: " << endl; + + for(int i = 0; i < 10; ++i) + { + s[i].roll = i+1; + cout << "For roll number" << s[i].roll << "," << endl; + + cout << "Enter name: "; + cin >> s[i].name; + + cout << "Enter marks: "; + cin >> s[i].marks; + + cout << endl; + } + + cout << "Displaying Information: " << endl; + + for(int i = 0; i < 10; ++i) + { + cout << "\nRoll number: " << i+1 << endl; + cout << "Name: " << s[i].name << endl; + cout << "Marks: " << s[i].marks << endl; + } + + return 0; +} From ccf677d3cda7f20a188b6bc11bfb361fd45ba701 Mon Sep 17 00:00:00 2001 From: RathoreUtkarsh <117072229+RathoreUtkarsh@users.noreply.github.com> Date: Mon, 31 Oct 2022 20:08:32 +0530 Subject: [PATCH 2/4] Hacktoberfest-2022 --- Studentdetails.java | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Studentdetails.java diff --git a/Studentdetails.java b/Studentdetails.java new file mode 100644 index 0000000..70f922a --- /dev/null +++ b/Studentdetails.java @@ -0,0 +1,30 @@ +import java.util.Scanner; +class Studentdetails +{ +String name; int rollno , age; +void input() +{ +Scanner kb= new Scanner(System.in); +System.out.println("Enter the name of student:"); +name=kb.nextLine(); +System.out.println("Enter the roll no of student:"); +rollno=kb.nextInt(); +System.out.println("Enter the age of the student:"); +age=kb.nextInt(); +} +} +class Student extends Studentdetails +{ +void display() +{ +System.out.println("Name : " +name); +System.out.println("Roll no: "+rollno); +System.out.println("Age : " +age); +} +public static void main(String args[]) +{ +Student s=new Student(); +s.input(); +s.display(); +} +} From bbba7751196f443a50612b609967f88bd7fabaad Mon Sep 17 00:00:00 2001 From: RathoreUtkarsh <117072229+RathoreUtkarsh@users.noreply.github.com> Date: Mon, 31 Oct 2022 20:09:43 +0530 Subject: [PATCH 3/4] Hacktoberfest-2022 From 11e4841b07ab40cff477c39a97d28299eaefb140 Mon Sep 17 00:00:00 2001 From: RathoreUtkarsh <117072229+RathoreUtkarsh@users.noreply.github.com> Date: Mon, 31 Oct 2022 20:10:45 +0530 Subject: [PATCH 4/4] Hacktoberfest-2022 --- Panel00.java | 208 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 208 insertions(+) create mode 100644 Panel00.java diff --git a/Panel00.java b/Panel00.java new file mode 100644 index 0000000..eb35b05 --- /dev/null +++ b/Panel00.java @@ -0,0 +1,208 @@ +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; + } + } + } +}