from art import Art
from renderable import TileRenderable


class GameHUDArt(Art):
    # recalc_quad_height = False
    log_creation = False
    quad_width = 0.1


class GameHUDRenderable(TileRenderable):
    def get_projection_matrix(self):
        # much like UIRenderable, use UI's matrices to render in screen space
        return self.app.ui.view_matrix

    def get_view_matrix(self):
        return self.app.ui.view_matrix


class GameHUD:
    "stub HUD, subclass and put your own stuff here"

    def __init__(self, world):
        self.world = world
        self.arts, self.renderables = [], []

    def update(self):
        for art in self.arts:
            art.update()
        for r in self.renderables:
            r.update()

    def should_render(self):
        return True

    def render(self):
        if not self.should_render():
            return
        for r in self.renderables:
            r.render()

    def destroy(self):
        for r in self.renderables:
            r.destroy()