From fb09ef0b6e09eb201969219f7d0affabab06421e Mon Sep 17 00:00:00 2001
From: Dendy <dendy@fai.st>
Date: Mon, 25 Jul 2022 15:57:25 +0200
Subject: [PATCH] Implement transparency and borders

---
 src/Renderer.zig | 12 +++++++-----
 src/main.zig     |  6 +-----
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/src/Renderer.zig b/src/Renderer.zig
index 1650595..e499433 100644
--- a/src/Renderer.zig
+++ b/src/Renderer.zig
@@ -70,6 +70,9 @@ pub fn init() !Self {
 
     gl.clearColor(0.91, 0.97, 1.00, 1.00);
 
+    gl.enable(.blend);
+    gl.blendFunc(.src_alpha, .one_minus_src_alpha);
+
     return Self{
         .window = window,
         .context = ctx,
@@ -101,11 +104,10 @@ pub fn setColor(self: *Self, r: u8, g: i32, b: i32, a: i32) void {
 }
 
 pub fn drawRectangle(self: *Self, x: i32, y: i32, w: i32, h: i32) void {
-    _ = self;
-    _ = x;
-    _ = y;
-    _ = w;
-    _ = h;
+    self.fillRectangle(x, y, 1, h);
+    self.fillRectangle(x, y, w, 1);
+    self.fillRectangle(w+x, y, 1, h);
+    self.fillRectangle(x, h+y, w, 1);
 }
 
 pub fn fillRectangle(self: *Self, x: i32, y: i32, w: i32, h: i32) void {
diff --git a/src/main.zig b/src/main.zig
index 8a6ab03..d36f695 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -26,11 +26,6 @@ pub fn main() !void {
             }
         }
 
-        renderer.setColor(255, 127, 0, 255);
-        renderer.drawRectangle(20, 20, 20, 20);
-
-        renderer.render();
-
         _ = game.tick();
 
         //current_state = switch (current_state) {
@@ -38,5 +33,6 @@ pub fn main() !void {
             //.game => game.tick(),
         //};
 
+        renderer.render();
     }
 }