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export default class Point {
// Initialize
constructor (...args) {
this.init(...args)
}
init (x, y) {
let source
let base = { x: 0, y: 0 }
// ensure source as object
source = Array.isArray(x) ? { x: x[0], y: x[1] }
: typeof x === 'object' ? { x: x.x, y: x.y }
: { x: x, y: y }
// merge source
this.x = source.x == null ? base.x : source.x
this.y = source.y == null ? base.y : source.y
return this
}
// Clone point
clone () {
return new Point(this)
}
// transform point with matrix
transform (m) {
// Perform the matrix multiplication
var x = m.a * this.x + m.c * this.y + m.e
var y = m.b * this.x + m.d * this.y + m.f
// Return the required point
return new Point(x, y)
}
toArray () {
return [ this.x, this.y ]
}
}
export function point (x, y) {
return new Point(x, y).transform(this.screenCTM().inverse())
}
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