Up and down cliffs
Author
Is it typical to have the bottom sphere attached to a character and have it move along the terrain? I am trying to add the ability for my character to fall off a cliff, or not allow it to walk up a mountain. I am doing this in Ode, so I am building my NPC code from scratch.
Is this the common way, are there more efficient ways of restricting the player from walking straight up a mountain?
A common method is to check the slope (normal) of the ground. If it's too steep (normal.Z is less than a particular threshold), then the NPC can't walk there and needs to slide down to flatter ground.
Author
Just thinking this through, I am picturing a ray say 1 foot in front of the character going down, and if it hits a threshold then it is too steep? I can see problems in that, what if the terrain is not an even slope.
Author
Do I just pick one location on the ground like the center of the models bounding box and get the normalized vector?
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