Wow the visuals of this game are so cool! I guess the tentacles use inverse kinematics, and then some fancy shaders to add the lighting and make the pixel art effect? It was really cool in any case. It's just a shame that there's not much to the game itself - it took me a while to work out what to do with the people attacking the portal, and even when I let them hit the portal for a while it seemed to not do anything. I guess the failure really was inevitable then? But the art and sound did really carry the game well, it might have been the coolest looking jam game I've ever seen.
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Thanks!
The tentacle indeed uses IK targets. For the visual, i used a 2 camera setup: The secondary camera records everything except UI (lighting, sprites) onto a render texture. I then use a shader to sample the final color with this render texture, the final result is displayed by the main camera.
I tried to improve a bit on the visual aspect for once so the actual game content is "a bit" lacking.
Ennemi attacks do have an effect: they reduce your progress, but they cant make you loose.