Enhancements to breadcrumb trail

vertexshader.glsl

@@ -1,4 +1,4 @@
-#version 460 core
+#version 330 core
 // Basic vertex shader for world geometry (walls/floor). Transforms positions/normals into view space.
 layout (location = 0) in vec3 aPos;
 layout (location = 1) in vec3 aNormal;