From d45a70adcf581f2b01e2d9bfcd6fd23016b2ebac Mon Sep 17 00:00:00 2001
From: jonathan santis <jonathan.wyss@santismail.ch>
Date: Fri, 25 Oct 2024 14:55:26 +0200
Subject: [PATCH] day end

---
 main.zig | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/main.zig b/main.zig
index d3f1b3a..869728c 100644
--- a/main.zig
+++ b/main.zig
@@ -71,7 +71,6 @@ fn getTermDimension() !Winsize {
 }
 
 fn getNum(str1: []const u8) []u64 {
-    //_ = str1;
     var pos: u64 = 0;
     var num = std.mem.zeroes([64]u64);
     var num_res = std.mem.zeroes([16]u64);
@@ -137,6 +136,7 @@ fn fillBuffer() !void {
     w = try getTermDimension();
     buffer_size = w.ws_row;
     buffer_size = buffer_size * w.ws_col * 4;
+
     var buffer = try allocator.alloc(u8, buffer_size); //utf-8 can be 4 bytes long
     defer allocator.free(buffer);
 
@@ -151,10 +151,11 @@ fn fillBuffer() !void {
         .c = Point{ .x = 30, .y = 1, .z = 0, .direction = .{ .x = 1, .y = 1, .z = 1 } },
     };
 
-    //clear buffer
+    //video loop
     while (true) {
         buffer[0] = 0;
         i = 0;
+        //clear buffer
         while (i < buffer.len) : (i += 4) {
             slice = buffer[i .. i + 4];
             bytes_written = try std.unicode.utf8Encode(' ', slice);
@@ -322,7 +323,14 @@ fn bresenham(buf: []u8, w: Winsize, p1: Point, p2: Point) !void {
 }
 
 fn triangle(buffer: []u8, w: Winsize, vec: Vec3) !void {
-    _ = try bresenham(buffer, w, vec.a, vec.b);
-    _ = try bresenham(buffer, w, vec.b, vec.c);
-    _ = try bresenham(buffer, w, vec.c, vec.a);
+    var vec_fill: Vec3 = vec;
+    try bresenham(buffer, w, vec.a, vec.b);
+    try bresenham(buffer, w, vec.b, vec.c);
+    try bresenham(buffer, w, vec.c, vec.a);
+    while (vec_fill.a.y < vec.c.y) : (vec_fill.a.y += 1) {
+        try bresenham(buffer, w, vec_fill.a, vec.b);
+    }
+    while (vec_fill.a.y > vec.c.y) : (vec_fill.a.y -= 1) {
+        try bresenham(buffer, w, vec_fill.a, vec.b);
+    }
 }