Started C# porting git add . NOT WORKING FOR NOW

src/population.rs

@@ -0,0 +1,42 @@
+use crate::prelude::*;
+
+pub struct Population{
+    pub start_infected_ratio:u32,
+    pub start_immune_ratio:u32,
+    pub start_dead_ratio:u32,
+    pub humans:Vec<Human>,
+    pub width:u32,
+    pub height:u32,
+    pub age:u32,
+    pub plague:Disease,
+}
+pub fn human_idx(x: i32, y: i32,width:i32) -> usize {
+    ((y * width) + x)as usize
+}
+impl Population{
+    pub fn new(start_infected_ratio:u32,start_immune_ratio:u32,start_dead_ratio:u32,width:u32,height:u32,plague:Disease)->Self{
+        let mut the_humans:Vec<Human>;
+        
+        //filling the population
+        // could not use this because each human need to know his position in the vector
+        //humans : vec![Human::new(State::Normal, pos_x :i32, pos_y :i32); width*height],
+        for x in 0..width{
+            for y in 0..height{
+                the_humans[human_idx(x as i32,y as i32,width as i32)] = Human::new(State::Normal,x as i32,y as i32);
+            }
+        }
+        Self{
+            start_infected_ratio:start_infected_ratio,
+            start_immune_ratio:start_immune_ratio,
+            start_dead_ratio:start_dead_ratio,
+            width:width,
+            height:height,
+            plague:plague,
+            age:0,
+            humans:the_humans,
+        }
+    }
+    pub fn change_disease(&mut self, plague:Disease){
+        self.plague = plague;
+    }
+}