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Started by hello_there Jul 16, 2003 at 6:39 AM 2 replies 350+ views

Original Post

Jul 16, 2003 at 6:39 AM

in my 3d tile based game i have collision detection thing set up so i know when the player collides with an object. but i can''t think of a good fast reliable way of moving the player back to the right position. it musn''t be that hard to do. can someone help?

krez

156

krez

Jul 16, 2003 at 9:36 AM

nice descriptive thread title you got there

anyway, is it tile-based movement (like old console RPGs), or smooth movement?

if it is tile-based, just save the last position the player was at and move them back there.

if it is smooth movement, where the player can be partially in more than one tile, it depends on how you do the colission detection.

hello_there

Author

hello_there

Jul 16, 2003 at 6:11 PM

it''s smooth movement. the collision detection just checks to see if the players cube is coliding with the walls cube

Vich

Jul 16, 2003 at 6:13 PM

Do this:

- find the 2D vector that is made by the player''s start point an his collision point
- push the player back along the negative value of this vector, until he doesn''t collide anymore

This can off course also be applied in 3D.

Happy coding!

"My basic needs in life are food, love and a C++ compiler"
[Project AlterNova] [Novanet]

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