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beggin for help (collisional?)

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Hope someone can understand this. Trying to reverse engineer something. It''s based on a 0x400 by 0x400 x,z grid system. Uses negative Y to specify up in 0x100 increments. Tryin to figure out how they look for thier solids Have two tris forming a folded card type shape: Triangle 1) v0) 0x800, 0, 0x800 v1) 0x400, 0, 0x800 v3) 0x800, 0xfd00, 0x400 (0xfd00 = -0x300) Triangle 2) v0) 0x400, 0, 0x400 v1) 0x400, 0, 0x800 v2) 0x800, 0xfd00, 0x400 the answer they look for is specified by two 5 bit signed numbers (0x1f representing -1) example above looks for -3 , -3 (0x1d, 0x1d) It''s not just the sides going up -3. Other examples not working out. Possibly normals involved? all winding CW. Any help appreciated... Thanks..

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