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javascript(ultra32): added rotate

Signed-off-by: prescientmoon <git@moonythm.dev>
This commit is contained in:
Matei Adriel 2019-01-20 14:36:47 +02:00 committed by prescientmoon
commit 2ecbd6d4b4
Signed by: prescientmoon
SSH key fingerprint: SHA256:UUF9JT2s8Xfyv76b8ZuVL7XrmimH4o49p4b+iexbVH4
2 changed files with 10 additions and 61 deletions
javascript/ultra32

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@ -35,3 +35,10 @@ function mirror(vector) {
return vector;
}
exports.mirror = mirror;
function rotate(vector) {
const oldx = vector[0];
vector[0] = Math.cos(vector[0]) - Math.sin(vector[1]);
vector[1] = Math.sin(oldx) + Math.cos(vector[1]);
return vector;
}
exports.rotate = rotate;