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Merge pull request #928 from marquesrs/bounce-rust-implementation
Rust implementation for the game Bounce
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‎13_Bounce/rust/Cargo.lock‎

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‎13_Bounce/rust/Cargo.toml‎

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[package]
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name = "rust"
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version = "0.1.0"
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edition = "2021"
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[dependencies]

‎13_Bounce/rust/src/main.rs‎

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/** BOUNCE GAME
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* https://github.com/coding-horror/basic-computer-games/blob/main/13_Bounce/bounce.bas
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* Direct conversion from BASIC to Rust by Pablo Marques (marquesrs).
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* No additional features or improvements were added. As a faithful translation,
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* many of the code here are done in an unrecommended way by today's standards.
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* 03/03/25
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*/
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use std::io::Write;
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fn input(msg: &str) -> String {
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print!("{}", msg);
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let _ =std::io::stdout().flush().unwrap();
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let mut input = String::new();
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std::io::stdin().read_line(&mut input).unwrap();
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return input.trim().to_uppercase();
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}
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fn main() {
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//10 PRINT TAB(33);"BOUNCE"
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//20 PRINT TAB(15);"CREATIVE COMPUTING MORRISTOWN, NEW JERSEY"
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//30 PRINT:PRINT:PRINT
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print!("{}{}\n{}{}\n\n\n",
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" ".repeat(33),
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"BOUNCE",
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" ".repeat(15),
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"CREATIVE COMPUTING MORRISTOWN, NEW JERSEY"
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);
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//90 DIM T(20)
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let mut t: Vec<f32> = Vec::with_capacity(20);
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//100 PRINT "THIS SIMULATION LETS YOU SPECIFY THE INITIAL VELOCITY"
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//110 PRINT "OF A BALL THROWN STRAIGHT UP, AND THE COEFFICIENT OF"
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//120 PRINT "ELASTICITY OF THE BALL. PLEASE USE A DECIMAL FRACTION"
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//130 PRINT "COEFFICIENCY (LESS THAN 1)."
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//131 PRINT
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//132 PRINT "YOU ALSO SPECIFY THE TIME INCREMENT TO BE USED IN"
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//133 PRINT "'STROBING' THE BALL'S FLIGHT (TRY .1 INITIALLY)."
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//134 PRINT
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print!("{}\n{}\n{}\n{}\n\n{}\n{}\n\n",
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"THIS SIMULATION LETS YOU SPECIFY THE INITIAL VELOCITY",
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"OF A BALL THROWN STRAIGHT UP, AND THE COEFFICIENT OF",
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"ELASTICITY OF THE BALL. PLEASE USE A DECIMAL FRACTION",
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"COEFFICIENCY (LESS THAN 1).",
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"YOU ALSO SPECIFY THE TIME INCREMENT TO BE USED IN",
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"'STROBING' THE BALL'S FLIGHT (TRY .1 INITIALLY).",
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);
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loop {
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//135 INPUT "TIME INCREMENT (SEC)";S2
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let s2 = input("TIME INCREMENT (SEC): ").parse::<f32>().unwrap();
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//let s2 = 0.2f32;
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//140 PRINT
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println!();
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//150 INPUT "VELOCITY (FPS)";V
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let v = input("VELOCITY (FPS): ").parse::<f32>().unwrap();
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//let v = 20.0f32;
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//160 PRINT
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println!();
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//170 INPUT "COEFFICIENT";C
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let c = input("COEFFICIENT: ").parse::<f32>().unwrap();
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//let c = 0.6f32;
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//180 PRINT
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//182 PRINT "FEET"
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//184 PRINT
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print!("\nFEET\n\n");
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//186 S1=INT(70/(V/(16*S2))) // verified
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let s1 = (70.0 / (v/(16.0*s2))) as i32;
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//190 FOR I=1 TO S1
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for i in 1..=s1 {
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//200 T(I)=V*C^(I-1)/16
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t.push(v * c.powf(i as f32 - 1.0) / 16.0); // verified
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//210 NEXT I
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}
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let mut l = 0.0;
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//220 FOR H=INT(-16*(V/32)^2+V^2/32+.5) TO 0 STEP -.5
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let mut h = (-16.0 * (v / 32.0).powi(2) + (v.powi(2)) / 32.0 + 0.5).floor();
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while h >= 0.0 {
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let mut line_content = String::new();
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//221 IF INT(H)<>H THEN 225
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if h.floor() == h {
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//222 PRINT H;
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line_content.push_str(h.to_string().as_str());
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line_content.push(' ');
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}
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//225 L=0
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l = 0.0;
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//230 FOR I=1 TO S1
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for i in 1..=s1 {
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let mut t_val = 0.0;
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//240 FOR T=0 TO T(I) STEP S2
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while t_val <= t[(i - 1) as usize] {
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//245 L=L+S2
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l = l + s2;
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//250 IF ABS(H-(.5*(-32)*T^2+V*C^(I-1)*T))>.25 THEN 270
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let condition = h - (0.5 * (-32.0) * t_val.powf(2.0) + v * c.powf((i-1) as f32) * t_val);
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if condition.abs() >= 0.25{
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t_val = t_val + s2;
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continue;
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}
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// TABS ARE NOT SPACES, BUT A TERMINAL POSITION
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//260 PRINT TAB(L/S2);"0";
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let spaces = ((l / s2) - 1.0) as usize;
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while line_content.len() < spaces {
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line_content.push(' ');
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}
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line_content.push('0');
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//270 NEXT T
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t_val = t_val + s2;
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}
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//275 T=T(I+1)/2
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if i as usize == t.len() { break; }
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t_val = t[i as usize] / 2.0;
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//276 IF -16*T^2+V*C^(I-1)*T<H THEN 290
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if -16.0 * t_val.powf(2.0) + v * c.powf(i as f32 -1.0) * t_val <= h {
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break;
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}
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//280 NEXT I
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}
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print!("{}", line_content);
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//290 PRINT
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println!();
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//300 NEXT H
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h = h - 0.5;
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}
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let mut line_content = String::from("");
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//310 PRINT TAB(1);
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print!(" ");
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//320 FOR I=1 TO INT(L+1)/S2+1
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for _ in 1..=((l+1.0) / s2 + 1.0) as i32 {
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//330 PRINT ".";
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line_content.push('.');
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//340 NEXT I
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}
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//350 PRINT
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//355 PRINT " 0";
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println!("{}", line_content);
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line_content = String::from(" 0");
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//360 FOR I=1 TO INT(L+.9995)
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for i in 1..=((l + 0.9995) as i32) {
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//380 PRINT TAB(INT(I/S2));I;
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while line_content.len() < (i as f32 / s2) as usize {
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line_content.push(' ');
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}
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line_content.push_str(i.to_string().as_str());
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//390 NEXT I
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}
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println!("{}", line_content);
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//400 PRINT
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//410 PRINT TAB(INT(L+1)/(2*S2)-2);"SECONDS"
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//420 PRINT
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let tabs = ((l+1.0) / (2.0 * s2) - 2.0) as usize;
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println!("{}SECONDS\n", " ".repeat(tabs));
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//430 GOTO 135
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//break;
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}
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//440 END
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}

‎README.md‎

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| 09_Battle | x | x | x | | | | x | | x | x |
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| 10_Blackjack | x | x | x | | | | x | x | x | x |
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| 11_Bombardment | x | x | x | | | x | x | x | x | x |
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| 12_Bombs_Away | x | x | x | | x | x | x | | | x |
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| 13_Bounce | x | x | x | | | x | x | x | | x |
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| 12_Bombs_Away | x | x | x | | x | x | x | | x | x |
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| 13_Bounce | x | x | x | | | x | x | x | x | x |
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| 14_Bowling | x | x | x | | | x | x | | | x |
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| 15_Boxing | x | x | x | | | x | x | | | x |
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| 16_Bug | x | x | x | | | | x | x | | x |
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| 17_Bullfight | x | x | x | x | | | x | | | x |
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| 18_Bullseye | x | x | x | | | x | x | | x | x |
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| 19_Bunny | x | x | x | | | x | x | x | | x |
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| 19_Bunny | x | x | x | | | x | x | x | x | x |
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| 20_Buzzword | x | x | x | | x | x | x | x | x | x |
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| 21_Calendar | x | x | x | | | x | x | x | x | x |
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| 22_Change | x | x | x | | | x | x | | x | x |
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| 23_Checkers | x | | x | | | x | x | x | | x |
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| 24_Chemist | x | x | x | | | x | x | | x | x |
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| 25_Chief | x | x | x | | x | x | x | x | | x |
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| 25_Chief | x | x | x | | x | x | x | x | x | x |
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| 26_Chomp | x | x | x | | | x | x | | | x |
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| 27_Civil_War | x | x | x | | | | x | | | x |
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| 28_Combat | x | x | x | | | x | x | | | x |
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| 40_Gomoko | x | x | x | | | x | x | | | x |
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| 41_Guess | x | x | x | | | x | x | x | x | x |
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| 42_Gunner | x | x | x | | | x | x | | | x |
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| 43_Hammurabi | x | x | x | | | | x | | | x |
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| 43_Hammurabi | x | x | x | | | | x | | x | x |
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| 44_Hangman | x | x | x | | | x | x | x | | x |
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| 45_Hello | x | x | x | | x | x | x | x | | x |
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| 45_Hello | x | x | x | | x | x | x | x | x | x |
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| 46_Hexapawn | x | | | | | | x | | | x |
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| 47_Hi-Lo | x | | x | x | x | x | x | x | x | x |
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| 48_High_IQ | x | x | x | | | | x | | | x |
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| 49_Hockey | x | | x | | | | x | | | x |
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| 50_Horserace | x | x | x | | | | | | x | x |
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| 51_Hurkle | x | x | x | | | x | x | x | x | x |
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| 52_Kinema | x | x | x | | | x | x | x | | x |
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| 52_Kinema | x | x | x | | | x | x | x | x | x |
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| 53_King | x | | x | | | | x | | x | x |
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| 54_Letter | x | x | x | | | x | x | x | x | x |
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| 55_Life | x | x | x | | | x | x | x | x | x |
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| 56_Life_for_Two | x | x | x | | | x | x | | | x |
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| 57_Literature_Quiz | x | x | x | | | x | x | | x | x |
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| 58_Love | x | x | x | | | x | x | x | | x |
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| 58_Love | x | x | x | | | x | x | x | x | x |
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| 59_Lunar_LEM_Rocket | x | | x | | | | x | | x | x |
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| 60_Mastermind | x | x | x | | | x | x | | x | x |
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| 61_Math_Dice | x | x | x | | | x | x | x | x | x |
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| 62_Mugwump | x | x | x | | | x | x | | x | x |
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| 63_Name | x | x | x | x | | x | x | x | | x |
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| 63_Name | x | x | x | x | | x | x | x | x | x |
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| 64_Nicomachus | x | x | x | | | x | x | | x | x |
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| 65_Nim | x | | x | | | | x | x | x | x |
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| 66_Number | x | x | x | | | x | x | | x | x |
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| 67_One_Check | x | x | x | | | x | x | | | x |
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| 68_Orbit | x | x | x | | | x | x | x | x | x |
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| 69_Pizza | x | x | x | | | x | x | x | | x |
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| 69_Pizza | x | x | x | | | x | x | x | x | x |
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| 70_Poetry | x | x | x | | | x | x | x | | x |
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| 71_Poker | x | x | x | | | | | | | x |
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| 72_Queen | x | | x | | | x | x | | x | x |
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| 73_Reverse | x | x | x | | | x | x | x | | x |
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| 74_Rock_Scissors_Paper | x | x | x | x | | x | x | x | x | x |
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| 75_Roulette | x | x | x | | | x | x | | x | x |
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| 76_Russian_Roulette | x | x | x | x | | x | x | x | x | x |
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| 77_Salvo | x | | x | | | | x | | | x |
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| 77_Salvo | x | | x | | | | x | | x | x |
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| 78_Sine_Wave | x | x | x | x | | x | x | x | x | x |
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| 79_Slalom | x | | x | | | | x | | | x |
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| 80_Slots | x | x | x | | | x | x | x | | x |
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| 81_Splat | x | x | x | | | x | x | | x | x |
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| 82_Stars | x | x | x | | | x | x | x | x | x |
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| 83_Stock_Market | x | x | x | | | | x | | | x |
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| 84_Super_Star_Trek | x | x | x | | | | x | | x | x |
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| 85_Synonym | x | x | x | | | x | x | x | | x |
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| 85_Synonym | x | x | x | | | x | x | x | x | x |
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| 86_Target | x | x | x | | | x | x | | | x |
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| 87_3-D_Plot | x | x | x | | | x | x | x | | x |
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| 88_3-D_Tic-Tac-Toe | x | | x | | | | x | | | x |

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