Wall Collision - GameGuru Forum

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Doggie

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Posted: 2nd Feb 2022 04:12

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I'm loading walkable houses but can't enter them unless I turn off all collsion which means walking through walls.
Seems like earlier this didn't happen. Can anyone help? Thanks.

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GubbyBlips

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Posted: 3rd Feb 2022 05:08

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First try something like find the .fpe related to said entity;
(you can get an example in most any of the Entitybank/Building)
slots, for example Sandstone15
compare with what you have. The most critical lines should be
ones that look like this;

collisionmode = 1
forcesimpleobstacle = 3

any luck? If it's not that, hope an expert can help!

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Wolf

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Posted: 5th Feb 2022 13:30

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Also make sure the house is static (seen with a red glow in the editor)

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Supe

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Posted: 8th Feb 2022 10:46

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why we cant have polygon collusion (on )when an object is mobile ?

Desktop: corei5, ram32, graphic card6GB
https://drive.google.com/file/d/1KtN6HMp1VEInALBZ89hmUBwfzqbeL9Wz/view?usp=sharing

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AmenMoses

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Posted: 8th Feb 2022 17:28

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Quote: "why we cant have polygon collusion (on )when an object is mobile ?"

Because it will destroy performance!

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Supe

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Posted: 8th Feb 2022 20:15

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Quote: "Because it will destroy performance!"

and how unity do that?

Desktop: corei5, ram32, graphic card6GB
https://drive.google.com/file/d/1KtN6HMp1VEInALBZ89hmUBwfzqbeL9Wz/view?usp=sharing

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AmenMoses

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Posted: 8th Feb 2022 21:26

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It doesn't, it probably uses composite shapes for physics as that's how most engines do it.

Bullet recommends a maximum of 100 polygons for dynamic physics shapes, static entities are pretty much unlimited.

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smallg

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Posted: 9th Feb 2022 11:24

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unity uses polygon collision only for kinematic rigid bodies (things that can't move from physics but can still report physics interactions and make other physics objects react in certain ways - i.e. extra bouncy or slippery surface) or static objects.. anything else needs to use convex or simple collision shapes - essentially the same as GG does
anyway the original post is not about active physics, houses would really be static unless you were letting the player build them in game and in that case you would probably have to do it by using modular pieces in GG to keep the physics correct

lua guide for GG
https://steamcommunity.com/sharedfiles/filedetails/?id=398177770
windows 10
i5 @4ghz, 8gb ram, AMD R9 200 series , directx 11

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3com

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Posted: 9th Feb 2022 15:21

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Even when an item is an animated object that let's say a secret door inside a house, it is better to keep the secret door as a standalone object, and keep the house as-is, static, and keeping physics.

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