From 331d73d7ab67614c787bcf60d02f94416aa2f8bc Mon Sep 17 00:00:00 2001
From: Strangedusk <strangealt@protonmail.com>
Date: Sun, 4 Sep 2022 12:55:23 +0200
Subject: [PATCH] Fix rendering bug by clearing the index buffer

---
 src/Renderer.zig | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/src/Renderer.zig b/src/Renderer.zig
index eac75be..f1d740b 100644
--- a/src/Renderer.zig
+++ b/src/Renderer.zig
@@ -108,22 +108,16 @@ pub fn render(self: *Self) void {
 
     self.buffer.data(f32, &self.vbo, .static_draw);
 
-    // {
-    //     var i: usize = 0;
-    //     while (i < self.vbo_index) {
-    //         gl.uniform4fv(self.color_loc, &.{self.colors[i]});
-    //         //std.debug.print("Color: {any}\n", .{self.colors[i]});
-    //         gl.drawArrays(.triangles, i, 12);
-    //         i += 12;
-    //     }
-    // }
-
     gl.drawArrays(.triangles, 0, self.vbo_index);
+    sdl.gl.swapWindow(self.window);
+    gl.clear(.{ .color = true });
 
     self.vbo_index = 0;
 
-    sdl.gl.swapWindow(self.window);
-    gl.clear(.{ .color = true });
+    // Clear the vbo, this really shouldn't be necessary as the index is set to zero,
+    // but otherwise it leads to bugs
+    self.vbo = .{0.0} ** max_objects;
+
 }
 
 pub fn deinit(self: *Self) void {