#import stuff
from ursina import *
from ursina.prefabs.first_person_controller import FirstPersonController


app = Ursina()

#create a player
player = FirstPersonController(model = 'cube', collider = 'box', jump_height = 2, gravity = 1, speed = 5)

#create a floor
floor = Entity(collider = 'box',
               model = 'plane',
               scale = (100,1,100),
               texture = 'white_cube',
               texture_scale = (100,100),
               color = color.white.tint(-0.1))

#build a target
target = Entity(model = 'cube',
                collider = 'box',
                scale = (2,2,2),
                color = color.green,
                position = (30,1,30))

enemy = Entity(model = 'cube',
                collider = 'box',
                scale = (2,2,2),
                color = color.red,
                position = (20,2,20),
                dx = 0,dz = 0,
                texture = 'brick',
                texture_scale = (3,3))



def update():
    enemy_collision = enemy.intersects()
    if enemy_collision.hit:
        enemy.x -= 2*enemy.dx
        enemy.z -= 2*enemy.dz
    else:
        enemy.x += enemy.dx
        enemy.z += enemy.dz

    if player.x > enemy.x:
        enemy.dx = 0.01
    else:
        enemy.dx = -0.01

    #change the enemy dy
    if player.z > enemy.z:
        enemy.dz = 0.01
    else:
        enemy.dz = -0.01

    hit_info = player.intersects()
    if hit_info.hit:
        if hit_info.entity == target:
            player.jump_height = 20
            player.gravity = 0.1
        else:
            player.jump_height = 2
            player.gravity = 1

    if held_keys['c']:
        application.pause()
        mouse.locked = False

app.run()