Is there a way to paint a texture onto a mesh like in UE4?

This would certainly make things easier for me. I have about almost $150 worth of shaders and “vertex” shaders, but still i cannot paint my textures on to meshes. Cant even use anyone of em. -__-

I am trying to make my scenes look seemless not blocky and unrealistic.

This is normally something you’d do in your modelling program, not directly in the engine. Having said that, there are plenty of assets available that allow you to modify mesh colours in the editor: