diff --git a/shaders/shader.vert b/shaders/shader.vert
index 0258077..dfdb555 100644
--- a/shaders/shader.vert
+++ b/shaders/shader.vert
@@ -1,7 +1,11 @@
 #version 450
 
+layout(location = 0) in vec2 inPosition;
+layout(location = 1) in vec3 inColor;
+
 layout(location = 0) out vec3 fragColor;
 
+/*
 vec2 positions[3] = vec2[](
     vec2(0.0, -0.5),
     vec2(0.5, 0.5),
@@ -13,8 +17,11 @@ vec3 colors[3] = vec3[](
     vec3(0.0, 1.0, 0.0),
     vec3(0.0, 0.0, 1.0)
 );
+*/
 
 void main(){
-    gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
-    fragColor = colors[gl_VertexIndex];
+    // gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
+    // fragColor = colors[gl_VertexIndex];
+    gl_Position = vec4(inPosition, 0.0, 1.0);
+    fragColor = inColor;
 }