Run results for: Three.js vector copy proposal benchmark

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Browser: Chrome 63

Operating system: Windows

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
Current copy	2116019.2 Ops/sec
Proposed copy	1885082.0 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/84/three.js" integrity="sha256-FlZMxx4ovIzb9UVKM4+xrQqIDgW2o1aEDVRXANdMpZU=" crossorigin="anonymous"></script>

Script Preparation code:

vec2 = new THREE.Vector2()

vec3 = new THREE.Vector3()

vec3.proposedCopy = function(v) {

	if ("x" in v) this.x = v.x;
	if ("y" in v) this.y = v.y;
	if ("z" in v) this.z = v.z;

	return this;
}

Tests:

Current copy
vec3.copy(vec2)
Proposed copy
vec3.proposedCopy(vec2)

Run results for: Three.js vector copy proposal benchmark

Current copy

Proposed copy