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Inventory
https://github.com/pokepetter/ursina/blob/master/samples/inventory.py
from ursina import *
class Inventory(Entity):
def __init__(self, width=5, height=8, **kwargs):
super().__init__(
parent = camera.ui,
model = Quad(radius=.015),
texture = 'white_cube',
texture_scale = (width, height),
scale = (width*.1, height*.1),
origin = (-.5,.5),
position = (-.3,.4),
color = color.hsv(0, 0, .1, .9),
)
self.width = width
self.height = height
for key, value in kwargs.items():
setattr(self, key, value)
def find_free_spot(self):
for y in range(self.height):
for x in range(self.width):
grid_positions = [(int(e.x*self.texture_scale[0]), int(e.y*self.texture_scale[1])) for e in self.children]
print(grid_positions)
if not (x, -y) in grid_positions:
print('found free spot:', x, y)
return x, y
def append(self, item, x=0, y=0):
print('add item:', item)
if len(self.children) >= self.width*self.height:
print('inventory full')
error_message = Text('<red>Inventory is full!', origin=(0,-1.5), x=-.5, scale=2)
destroy(error_message, delay=1)
return
x, y = self.find_free_spot()
icon = Draggable(
parent = self,
model = 'quad',
texture = item,
color = color.white,
scale_x = 1/self.texture_scale[0],
scale_y = 1/self.texture_scale[1],
origin = (-.5,.5),
x = x * 1/self.texture_scale[0],
y = -y * 1/self.texture_scale[1],
z = -1,
)
name = item.replace('_', ' ').title()
if random.random() < .25:
icon.color = color.gold
name = '<orange>Rare ' + name
icon.tooltip = Tooltip(name)
icon.tooltip.background.color = color.hsv(0,0,0,.8)
def drag():
icon.org_pos = (icon.x, icon.y)
icon.z = -2 # ensure the dragged item overlaps the rest
def drop():
icon.x = int((icon.x + (icon.scale_x/2)) * self.width) / self.width
icon.y = int((icon.y - (icon.scale_y/2)) * self.height) / self.height
icon.z = -1
# if outside, return to original position
if icon.x < 0 or icon.x >= 1 or icon.y > 0 or icon.y <= -1:
icon.position = (icon.org_pos)
return
# if the spot is taken, swap positions
for c in self.children:
if c == icon:
continue
if c.x == icon.x and c.y == icon.y:
print('swap positions')
c.position = icon.org_pos
icon.drag = drag
icon.drop = drop
if __name__ == '__main__':
app = Ursina()
inventory = Inventory()
def add_item():
inventory.append(random.choice(('bag', 'bow_arrow', 'gem', 'orb', 'sword')))
add_item()
add_item()
add_item_button = Button(
scale = (.1,.1),
x = -.5,
color = color.lime.tint(-.25),
text = '+',
tooltip = Tooltip('Add random item'),
on_click = add_item
)
background = Entity(parent=camera.ui, model='quad', texture='shore', scale_x=camera.aspect_ratio, z=1)
Cursor(texture='cursor', scale=.1)
mouse.visible = False
app.run()