sdf

main.zig

@@ -36,6 +36,11 @@ const Vec3 = struct {
     b: Point,
     c: Point,
 };
+const Triangle = struct {
+    bufa: *i32,
+    bufb: *i32,
+    bufc: *i32,
+};
 
 pub fn main() !void {
     var win = Winsize{};
@@ -124,9 +129,32 @@ fn draw() !void {
         mv_axis_border_bounce(w, &vec2.b, 'Y');
         mv_axis_border_bounce(w, &vec2.c, 'x');
         mv_axis_border_bounce(w, &vec2.c, 'y');
+
+        i = 0;
+        ii = 0;
+        var fill: u8 = 0;
+        var code: [4]u8 = std.mem.zeroes([4]u8);
+        _ = try std.unicode.utf8Encode('█', &code);
+        while (i < buffer.len) : (i += 4) {
+            slice = buffer[i .. i + 4];
+            if (i - ii >= w.ws_col) {
+                ii += 1;
+            }
+            if (fill == 0 and std.mem.eql(u8, slice, &code) == true) {
+                fill = 1;
+            } else if (fill == 1 or fill == 2 and std.mem.eql(u8, slice, &code) == false) {
+                _ = try std.unicode.utf8Encode('X', slice);
+                fill = 2;
+            } else if (fill == 2 and std.mem.eql(u8, slice, &code) == true) {
+                fill = 3;
+            } else if (fill == 3 and std.mem.eql(u8, slice, &code) == false) {
+                fill = 0;
+            }
+        }
+
         try out.print("{s}", .{buffer});
+        _ = try stdin.readUntilDelimiterOrEof(&buf, '\n');
         sleep(30000000);
-        //_ = try stdin.readUntilDelimiterOrEof(&buf, '\n');
     }
 }
 fn mv_axis_border_bounce(w: Winsize, point: *Point, axis: u8) void {
@@ -262,14 +290,7 @@ fn bresenham(buf: []u8, w: Winsize, p1: Point, p2: Point) !void {
 }
 
 fn triangle(buffer: []u8, w: Winsize, vec: Vec3) !void {
-    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);
-    }
 }