new()
@:value(0.0)constant:Float = 0.0
@:value(new Vec4(1.0, 0.0, 0.0))normal:Vec4 = new Vec4(1.0, 0.0, 0.0)
coplanarPoint(result:Vec4):Vec4
distanceToPoint(point:Vec4):Float
intersectLine(line:Line3):Vec4
set(normal:Vec4, point:Vec4):Plane
setFromCoplanarPoints(a:Vec4, b:Vec4, c:Vec4):Plane