tap / click - smooth move to point - with hotspot animations

I wish to make a simple mechanic that allows you to tap or click around on the screen.
I would like to keep it in 3d but using an orthographic camera simulating 2d.

An animated sprite or cell changing sprite updates accordingly.

It has an idle series of frames if not touched, more the merrier on longer timers.
The camera follows it around on a much larger landscape.
If the sprite encounters an invisible hotspot, it fires off a specific loop of frames.
The colours indicate alternative cells of the animation.
The diagram should explain the rest.

The last script in this post is sort of correct ( perhaps without force )
http://forum.unity3d.com/threads/how-to-move-my-character-around-with-forces.235915/

but a little smoother but needs camera follow, cell swap and hotspot.


NOTE - this method has been updated using a 3d concept. ignore this diagram

 

I made a super rudimentary spritesheet as well for the exercise
NOTE - this method has been updated using a 3d concept. ignore this spritesheet

 

After some consideration last night, I will forgo the 2D sprite component and use an actual 3d model attached to a pivot control object.



My Temp Project looks like this.

• tmp_textures
  background.png - less than 1k
  hotspot_a.png - less than 1k
  hotspot_b.png -less than 1k
  ground.png -less than 1k
  
• tmp_models
  fish.fbx - 66k
  
• scene
  tapMove.unity
• scripts
  CameraSmooth.cs
  PlayerCollision.cs

I put this all into a package so you can easily adjust it.
https://dl.dropboxusercontent.com/u/3053655/TapMoveProject/Media/TapMove_Package.zip


I solved the collisions with a temp script for now that can be expanded on later.
I solved the camera smooth follow script for now that can improve later.

The interaction of the player is the part I wish to address.
I want to rotate the fish smoothly but not the underpinning player cube according to the movement.

I will animate the character in 3d instead of swapping 2d cells like the above concept.


I have an account for the wiki and happy to share this as a public starting block.

 

So the revised diagram looks like this with the 3d object management in mind, this will make it less fiddly with 2d sprites and all the animations.

 

This is what I have so far in a video which is sort of funny using the script at the top.

https://dl.dropboxusercontent.com/u/3053655/TapMoveProject/fishyfish.mp4


After speaking to a colleague in the chat, they recommended I look at a steering system.
However I wish to complete the one with forces and simpler rotations before going there.

 

Is this where I should be posting for help?

 

Have I picked something hard?

 

It is really hard to tell what you are asking here. At first glance it seemed like you were actually giving a solution to the community.

After several readings, my understanding is you want to tell a rigidbody where to move; with a rigidbody that does not rotate to a LookRotation; with a model that does rotate to a LookRotation.

If you post the script rather than a whole package, I'm sure more help will be forthcoming. (some people just don't want to download a zip file or create a new project just to see the script for helping).