from ursina import *

class Voxel(Button):
    def __init__(self, position=(0,0,0)):
        super().__init__(
            model='cube',
            color=color.green,
            highlight_color=color.lime,
            position=position,
            texture='white_cube',
            origin_y=0.5)

    def input(self, key):
        if self.hovered:
            if key == 'left mouse down':
                voxel = Voxel(position=self.position + mouse.normal)
            elif key == 'right mouse down':
                destroy(self)

class Sky(Entity):
    def __init__(self):
        super().__init__(
            parent=scene,
            model='sphere',
            texture='skybox',
            scale=150,
            double_sided=True)

class Hand(Entity):
    def __init__(self):
        super().__init__(
            parent=camera.ui,
            model='assets/arm',
            texture='assets/arm_texture',
            scale=0.2,
            rotation=Vec3(150,-10,0),
            position=Vec2(0.4,-0.6))

app = Ursina()

sky = Sky()
hand = Hand()

for z in range(20):
    for x in range(20):
        voxel = Voxel(position=(x,0,z))

app.run()