10 lines
281 B
ActionScript
10 lines
281 B
ActionScript
function dotProduct(v1:Vector.<Number>, v2:Vector.<Number>):Number
|
|
{
|
|
if(v1.length != v2.length) return NaN;
|
|
var sum:Number = 0;
|
|
for(var i:uint = 0; i < v1.length; i++)
|
|
sum += v1[i]*v2[i];
|
|
return sum;
|
|
}
|
|
trace(dotProduct(Vector.<Number>([1,3,-5]),Vector.<Number>([4,-2,-1])));
|