chore: take score text fn out of main

Cargo.toml

@@ -11,3 +11,12 @@ rusttype = "0.9.3"
 
 [dev-dependencies]
 cross = "0.2"
+
+[profile.release]
+opt-level = "z" # Optimize for binary size; change to "3" for maximum speed
+lto = true       # Enable Link-Time Optimization
+codegen-units = 1 # Better optimization by reducing parallelism
+panic = "abort"   # Reduce overhead of unwinding
+strip = true      # Strip debugging symbols
+debug = false     # Disable debug information in the release binary
+

src/image_utils.rs

@@ -1,7 +1,34 @@
 use crate::Raindrop;
+use crate::Scale;
+use crate::Font;
 use crate::DROP_SIZE;
 
 use image::{GenericImageView, Rgba};
+// Render text using rusttype
+pub fn draw_text(buffer: &mut Vec<u32>, width: u32, height: u32, text: &str, x: u32, y: u32) {
+    let font_data = include_bytes!("../assets/FiraSans-SemiBold.otf");
+    let font = Font::try_from_bytes(font_data as &[u8]).expect("Failed to load font");
+
+    let scale = Scale::uniform(31.0); // Font size
+    let start = rusttype::point(x as f32, y as f32);
+    let layout = font.layout(text, scale, start);
+
+    for glyph in layout {
+        if let Some(bounding_box) = glyph.pixel_bounding_box() {
+            glyph.draw(|gx, gy, v| {
+                let px = bounding_box.min.x + gx as i32;
+                let py = bounding_box.min.y + gy as i32;
+
+                if px >= 0 && py >= 0 && px < width as i32 && py < height as i32 {
+                    let idx = (py as u32 * width + px as u32) as usize;
+                    let alpha = (v * 255.0) as u32;
+                    buffer[idx] = (255 << 24) | (alpha << 16) | (alpha << 8) | alpha; // White text
+                }
+            });
+        }
+    }
+}
+
 
 pub fn convert_to_mono(image_data: &[u8]) -> Vec<u32> {
     let img = image::load_from_memory(image_data).expect("Failed to load image");

src/main.rs

@@ -1,10 +1,12 @@
 use image::GenericImageView;
 use minifb::{Key, Window, WindowOptions};
 use rand::Rng;
+use rusttype::{Font, Scale};
 use std::time::{Duration, Instant};
 
 use image_utils::{convert_to_mono, draw_raindrop, draw_square, is_collision};
 use image_utils::{get_background_for_score, load_background_data};
+use crate::image_utils::draw_text;
 
 mod image_utils;
 
@@ -22,6 +24,8 @@ struct Raindrop {
     last_update: Instant, // Last time the drop's position was updated
 }
 
+
+
 fn main() {
     let mut score: i32 = 0;
     let mut square_size: u32 = 30;
@@ -151,6 +155,9 @@ fn main() {
             draw_raindrop(&mut buffer, width, height, drop);
         }
 
+        // Render the score on the screen
+        draw_text(&mut buffer, width, height, &format!("Score: {}", score), 10, 30);
+
         if score > 10 {
             square_size = 50;
         } else {
@@ -168,3 +175,4 @@ fn main() {
         }
     }
 }
+