Add textures

src/graphics/rendering/shaders/random-vs.glsl

@@ -0,0 +1,18 @@
+#version 300 es
+
+precision lowp float;
+
+in vec4 vertexPosition;
+out vec2 uvCoordinates;
+
+void main() {
+    gl_Position = vec4(vertexPosition.xy, 0.0, 1.0);
+
+    uvCoordinates = (
+        vec3(vertexPosition.xy, 1.0) 
+      * mat3(
+        0.5, 0.0, 0.5,
+        0.0, 0.5, 0.5,
+        0.0, 0.0, 1.0
+    )).xy;
+}