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-rw-r--r--utils/vec.js16
1 files changed, 11 insertions, 5 deletions
diff --git a/utils/vec.js b/utils/vec.js
index 3996fc2..d595989 100644
--- a/utils/vec.js
+++ b/utils/vec.js
@@ -6,23 +6,29 @@ exports.mult = function(vec, scal){
return vec;
}
-function elem(orig, vec, op){
+exports.elem = function(orig, vec, op){
let comb = [];
for (let i = 0; i < orig.length; i++){
comb.push(op(vec[i],orig[i]));
}
return comb;
}
-exports.elem = elem;
+
+exports.equals = function(orig, vec){
+ for (let i = 0; i < orig.length; i++){
+ if (orig[i] != vec[i]) return false;
+ }
+ return true;
+}
exports.add = function(orig, vec){
- return elem(orig, vec, (a,b) => a+b);
+ return exports.elem(orig, vec, (a,b) => a+b);
}
exports.sub = function(orig, vec){
- return elem(orig, vec, (a,b) => a-b);
+ return exports.elem(orig, vec, (a,b) => a-b);
}
exports.dot = function(orig,vec){
- return elem(orig, vec, (a,b) => a*b);
+ return exports.elem(orig, vec, (a,b) => a*b);
}
exports.tileToChar = function(orig){
return exports.dot(orig, [8,16]);