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Multiplying vectors

Started by OOBradm Mar 22, 2004 at 3:33 PM 0 replies 250+ views
Original Post
OOBradm
OOBradm
Im working on collision detection between 2 balls, and ive been reading i need to multiply vectors together. I know how to multiply vectors together, but i dont understand the concept behind it. when you ADD vectors, you get the resultant vector of the 2, and it ends up being a triangle type shape: ___---------- __/________- _/_____- /__- but, what does multiplying look like? [edited by - OOBradm on March 22, 2004 4:51:43 PM]
jdhardy
jdhardy
You can't multiply vectors.

Dot products can be used to find the angle between two vectors, and cross products find a vector orthogonal to two vectors, but there's no "multiplication".

[edited by - ze_jackal on March 22, 2004 7:20:30 PM]

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