fix shaders for the transform tool

src/shape.cpp

@@ -205,7 +205,7 @@ void Plane::create_impl(float w, float h, int div, GLushort *idx, vertex_t *vert
             v.pos.y = oy + dy * (float)y;
             v.pos.z = 0;
             v.pos.w = 1;
-            v.uvs = glm::vec2(x, y) / (float)div;
+            v.uvs2 = v.uvs = glm::vec2(x, y) / (float)div;
             *vertices++ = v;
         }
     }