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Get a thorough overview of techniques for creating characters for video games or real-time rendered applications. Author Chris Reilly covers low-poly modeling, texturing and animation, using 3D model and texture assets created in Maya and Adobe Photoshop. The course also includes an overview of Unity 3, including importing characters and making interactive animations with the Script Editor.
In this video we will look at making the mouth, which is really just a simple extrusion inwards. Now one thing I want to do in the side view here is make a couple adjustments to these edge loops. So I want-- this one at the top looks pretty good because it's kind of lined up with that upper lip. I want to get this bottom one lined up with the lower lip and then have this one I have got selected in between. So I am just going to drag that up. Drag that up just so it's kind of horizontally aligned with the bottom of the lip there.
And then I can scale these with the Scale tool but I want to scale out from the back edge of the head. So I can move that scaling point just by holding down the D key and I want to move it right so that it's aligned with that back vertex. So I will also hold down V to snap to vertices. Just move that right back. And just kind of scale it so that's going to align sort of with the shape of the head there. And same thing for this edge loop.
I am going to hold down D to move the reference point and V to snap to vertex. Scale that out, maybe come down a little bit, and I will do the same thing from the front view. So aligning the edge loops like this is going to give us a nice starting point for when we do an extrusion for the mouth. It's going to let us have sort of a nice lip shape around the mouth and it will make deformations easier once we go to do animations on the mouth.
So I continue tweaking this until I get the mouth lined up how I wanted. So again I want this top edge loop to be lined up more or less with the upper lip, this bottom one with the lower lip, and this middle one kind of in between where the teeth would meet and that's going to let me extrude inward to form the mouth and form a nice little lip shape that will make deformations a lot easier down the road. Okay, so then to form the mouth I will switch to Face mode and I will Shift+Select these four faces. Under Edit Mesh I'll make sure to Keep Faces Together is checked and then I will Extrude and I just want to scale these down a little bit, move them over, and I will switch to the Perspective view just to make sure that's looking okay.
So what we want to do here is kind of drag this extrusion out a little bit. So I will do this from the Side view and I am going to click this little local world coordinate handle to switch to world coordinates and just kind of pull this out a little bit. So you can see as I am pulling this out we are forming a little lip shape and that's going to help to flush out the upper and the lower lips there. That looks pretty good. I am going to extrude this again and again switch to world coordinates and we will just take this straight back.
So I will switch to the Move tool by hitting W after I extrude those faces backward and I will just hold down X to get those just snap to grid and that way we can align them all up. We can see a little bit better from perspective. So now that back of the mouth is nice and flat and that's just going to make it a little bit easier down the road when we go to mirror it. So kind of like we did with the nose. I just want to go ahead and delete all these interior faces that were formed by extrusion and I will switch to Edge mode and I can see in my Front viewport here very clearly.
I want to get all these edges lined up with that axis of symmetry along the y-axis, just like we did with the nose. That's going to make mirroring easier later on. So an easy way to select all of these edges is just I am going to select this one right below the nose, go down here, Shift and double-click, and it's going to grab all those edges in between. Then I can just hold down X, Snap to Grid, and snap it right to that y-axis. That's looking good! I could keep making adjustments to the vertices to form the lip shape but for time's sake let's just see my finished file.
So it should look something like this and you can see especially the bottom lip shape there is it's just looking a lot more similar to what's in the reference image. Okay, in the next video we will look at making the eyes.
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