Initial commit

framework/Vector3.js

@@ -0,0 +1,60 @@
+export default class Vector3 {
+
+	x = 0;
+	y = 0;
+	z = 0;
+
+	constructor( x = 0, y = 0, z = 0 ) {
+
+		this.x = x;
+		this.y = y;
+		this.z = z;
+
+	}
+
+	static subtract( a, b ) {
+
+		return new Vector3( a.x - b.x, a.y - b.y, a.z - b.z );
+
+	}
+
+
+	length() {
+
+		return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );
+
+	}
+
+	static cross( a, b ) {
+
+		return new Vector3(
+
+			a.y * b.z - a.z * b.y,
+			a.z * b.x - a.x * b.z,
+			a.x * b.y - a.y * b.x
+		);
+
+	}
+
+	static dot( a, b ) {
+
+		return a.x * b.x + a.y * b.y + a.z * b.z;
+
+	}
+
+	static normalize( v ) {
+
+		const length = Math.sqrt( v.x * v.x + v.y * v.y + v.z * v.z );
+
+		if ( length > 0.00001 ) {
+			
+			return new Vector3( v.x / length, v.y / length, v.z / length );
+
+		} else {
+
+			return new Vector3( 0, 0, 0 );
+
+		}
+
+	}
+}