tile rendering working in origin (0,0) top left

frontend/shader/shader.frag

@@ -1,5 +1,6 @@
 #version 300 es
 precision highp float;
+precision highp sampler2DArray;
 
 in vec2 vTexCoord;
 out vec4 fragColor;

frontend/shader/shader.vert

@@ -6,7 +6,10 @@ in vec2 aTexCoord;
 
 out vec2 vTexCoord;
 
+uniform mat4 uModelViewMatrix;
+uniform mat4 uProjectionMatrix;
+
 void main() {
     vTexCoord = aTexCoord;
-    gl_Position = vec4(aPosition, 1.0);
+    gl_Position = uProjectionMatrix * uModelViewMatrix * vec4(aPosition, 1.0);
 }