init

13_Bounce/rust/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "rust"
+version = "0.1.0"

13_Bounce/rust/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "rust"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

13_Bounce/rust/src/main.rs

@@ -0,0 +1,160 @@
+use std::io::Write;
+
+fn input(msg: &str) -> String {
+    print!("{}", msg);
+    let _ =std::io::stdout().flush().unwrap();
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    return input.trim().to_uppercase();
+}
+
+fn main() {
+    //10 PRINT TAB(33);"BOUNCE"
+    //20 PRINT TAB(15);"CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY"
+    //30 PRINT:PRINT:PRINT
+    print!("{}{}\n{}{}\n\n\n",
+        " ".repeat(33),
+        "BOUNCE",
+        " ".repeat(15),
+        "CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY"
+    );
+
+    //90 DIM T(20)
+    let mut t: Vec<f32> = Vec::with_capacity(20);
+    
+    //100 PRINT "THIS SIMULATION LETS YOU SPECIFY THE INITIAL VELOCITY"
+    //110 PRINT "OF A BALL THROWN STRAIGHT UP, AND THE COEFFICIENT OF"
+    //120 PRINT "ELASTICITY OF THE BALL.  PLEASE USE A DECIMAL FRACTION"
+    //130 PRINT "COEFFICIENCY (LESS THAN 1)."
+    //131 PRINT
+    //132 PRINT "YOU ALSO SPECIFY THE TIME INCREMENT TO BE USED IN"
+    //133 PRINT "'STROBING' THE BALL'S FLIGHT (TRY .1 INITIALLY)."
+    //134 PRINT
+    print!("{}\n{}\n{}\n{}\n\n{}\n{}\n\n",
+        "THIS SIMULATION LETS YOU SPECIFY THE INITIAL VELOCITY",
+        "OF A BALL THROWN STRAIGHT UP, AND THE COEFFICIENT OF",
+        "ELASTICITY OF THE BALL.  PLEASE USE A DECIMAL FRACTION",
+        "COEFFICIENCY (LESS THAN 1).",
+        "YOU ALSO SPECIFY THE TIME INCREMENT TO BE USED IN",
+        "'STROBING' THE BALL'S FLIGHT (TRY .1 INITIALLY).",
+    );
+
+    loop {
+        //135 INPUT "TIME INCREMENT (SEC)";S2
+        let s2 = input("TIME INCREMENT (SEC): ").parse::<f32>().unwrap();
+
+        //140 PRINT
+        println!();
+        
+        //150 INPUT "VELOCITY (FPS)";V
+        let v = input("VELOCITY (FPS): ").parse::<f32>().unwrap();
+
+        //160 PRINT
+        println!();
+
+        //170 INPUT "COEFFICIENT";C
+        let c = input("COEFFICIENT: ").parse::<f32>().unwrap();
+
+        //180 PRINT
+        //182 PRINT "FEET"
+        //184 PRINT
+        print!("\nFEET\n");
+
+        //186 S1=INT(70/(V/(16*S2)))
+        let s1 = (
+            70.0 / (v / (16.0 * s2) )
+        ) as i32;
+
+        //190 FOR I=1 TO S1
+        for i in 1..=s1 {
+            //200 T(I)=V*C^(I-1)/16
+            t.push(v * c.powf(i as f32 - 1.0) / 16.0);
+            //210 NEXT I
+        }
+
+        let mut l = 0.0;
+
+        //220 FOR H=INT(-16*(V/32)^2+V^2/32+.5) TO 0 STEP -.5
+        let mut h = ((-16.0*(v/32.0).powf(2.0)) +(v.powf(2.0)/32.0) + 0.5).floor();
+        while h >= 0.0 {
+            //221 IF INT(H)<>H THEN 225
+            if h.floor() != h {
+                //225 L=0
+                l = 0.0;
+            }
+            else {
+                //222 PRINT H;
+                println!("{}", h);
+                //225 L=0
+                l = 0.0;
+            }
+            
+            //230 FOR I=1 TO S1
+            for i in 1..=s1 {
+                let mut t2 = 0.0;
+                //240 FOR T=0 TO T(I) STEP S2
+                while t2 <= t[(i - 1) as usize] {
+                    //245 L=L+S2
+                    l = l + s2;
+
+                    //250 IF ABS(H-(.5*(-32)*T^2+V*C^(I-1)*T))>.25 THEN 270
+                    let condition = h - (0.5 * (-32.0) * t2.powf(2.0) + v * c.powf((i-1) as f32) * t2);
+                    if condition >= 0.25{
+                        continue;
+                    }
+                    //260 PRINT TAB(L/S2);"0";
+                    print!("{}0", " ".repeat((l/s2) as usize));
+                    
+                    //270 NEXT T
+                    t2 = t2 + s2;
+                }
+                
+                //275 T=T(I+1)/2
+                t2 = t[i as usize] / 2.0;
+
+                //276 IF -16*T^2+V*C^(I-1)*T<H THEN 290
+                if -16.0*t2.powf(2.0) + v * c.powf(i as f32 -1.0) * t2 <= h {
+                    break;
+                }
+
+                //280 NEXT I
+            }
+            
+            //290 PRINT
+            println!();
+
+            //300 NEXT H
+            h = h - 0.5;
+        }
+
+        //310 PRINT TAB(1);
+        print!(" ");
+
+        //320 FOR I=1 TO INT(L+1)/S2+1
+        for _ in 1..=((l+1.0).floor() / s2 + 1.0) as i32 {
+            //330 PRINT ".";
+            print!(".");
+            //340 NEXT I
+        }
+
+        //350 PRINT
+        //355 PRINT " 0";
+        print!("\n 0");
+
+        //360 FOR I=1 TO INT(L+.9995)
+        for i in 1..=((l + 0.9995) as i32) {
+            //380 PRINT TAB(INT(I/S2));I;
+            print!("{}{}", " ".repeat((i as f32 / s2) as usize), i);
+            //390 NEXT I
+        }
+
+        //400 PRINT
+        //410 PRINT TAB(INT(L+1)/(2*S2)-2);"SECONDS"
+        //420 PRINT
+        let tabs = ((l+1.0).floor() / (2.0 * s2) - 2.0) as usize;
+        print!("\n{}SECONDS\n", " ".repeat(tabs));
+
+        //430 GOTO 135
+    }
+    //440 END
+}