export interface HasIdentity  {
    id: number
}

export interface Drawable<T> {
    draw: (entity: T) => void 
}

export interface Updatable<T> {
    update: (entity: T) => void 
}

export interface HasResources<T> {
    load: (entity: T) => void 
    unload: (entity: T) => void 
}

export interface HasPosition {
    position: Vector2
}

export interface HasColor {
    color: Color
}

export type EntityOf<T> = HasIdentity & Partial<HasResources<T>> & Partial<Updatable<T>> & Partial<Drawable<T>> & T

let ID = 0
export const makeEntity = () => ({
    id: ID++
})

export const makePosition = (x = 0, y = 0) => ({
    position: new Vector2(x,y)
})

export const makeColorRgb = (r = 255, g = 255, b = 255, a = 255) => ({
    color: new Color(r,g,b,a)
})

export const makeColorClone = (c = WHITE) => ({
    color: new Color(c.r,c.g,c.b,c.a)
})