further improvements on drawing basic function

src/main.rs

@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use rand::Rng;
 use image::Rgb;
 use image::RgbImage;
@@ -5,12 +7,8 @@ use image::ImageBuffer;
 
 
 fn main() {
-    // let mut args = vec![];
-    // for arg in env::args() {
-    //     args.push(arg);
-    // }
-    let width = 7000;
-    let height = 7000;
+    let width = 6500;
+    let height = 6500;
     let mut img = get_image(width, height);
 
     // let mut colors= vec![];
@@ -18,8 +16,8 @@ fn main() {
     let mut points = vec![];
     for i in 0..=1000 {
         points.push(i as f64 / 1000.0);
+        points.push(-(i as f64 / 1000.0));
     }
-    // println!("{points:?}");
 
     // funktion = f(x) = 3x^2
     // ableitungsquotient = 6a 
@@ -31,7 +29,7 @@ fn main() {
         // img.put_pixel((point * 1000.0_f64).round() as u32, (get_point(point as i32) * 1000.0).round() as u32, Rgb(color));
         img.put_pixel(
             (point * 1000.0_f64).round() as u32 + (width / 2),
-            (get_point(point as i32) * 1000.0).round() as u32 + (height / 2),
+            (get_point(point) * 1000.0).round() as u32 + (height / 2),
             Rgb([255,255,255])
         );
     }
@@ -45,8 +43,8 @@ fn get_pitch_quotient() -> u32 {
     6
 }
 
-fn get_point(x: i32) -> f64 {
-    (3 * x.pow(2)) as f64
+fn get_point(x: f64) -> f64 {
+    3.0 * x.powf(2.0)
 }