def test_window(twm):
import arcade
width = 800
height = 600
title = "My Title"
resizable = True
arcade.open_window(width, height, title, resizable)
arcade.set_background_color(arcade.color.AMAZON)
w = arcade.get_window()
assert w is not None
# Make sure the arguments get passed to the window
if not twm:
assert w.width == width
assert w.height == height
assert w.caption == title
assert w.resizeable is resizable
assert w.current_view is None
arcade.set_window(w)
w.background_color = 255, 255, 255, 255
assert w.background_color == (255, 255, 255, 255)
w.set_mouse_visible(True)
w.set_size(width, height)
p = arcade.get_projection()
assert isinstance(p, np.ndarray)
v = arcade.get_viewport()
if not twm:
assert v[0] == 0
# The lines below fail. Why?
assert v[1] == width - 1
assert v[2] == 0
assert v[3] == height - 1
factor = arcade.get_scaling_factor()
assert factor > 0
factor = arcade.get_scaling_factor(w)
assert factor > 0
arcade.start_render()
arcade.finish_render()
def f():
pass
arcade.schedule(f, 1 / 60)
arcade.pause(0.01)
arcade.close_window()
arcade.open_window(width, height, title, resizable)
arcade.quick_run(0.01)
def on_resize(self, width, height):
"""Set up viewport and projection"""
ratio = arcade.get_scaling_factor(self)
self.ctx.viewport = 0, 0, int(width * ratio), int(height * ratio)
aspect_ratio = width / height
self.program['projection'] = Matrix44.perspective_projection(
60, aspect_ratio, 0.1, 100).flatten()
def use(self):
"""Make the camera active"""
# Calculate aspect ratio from projection
ar = self.aspect_ratio
# Apply scrolling
proj = (
self._projection[0] + self._scroll_x,
self._projection[1] + self._scroll_x,
self._projection[2] + self._scroll_y,
self._projection[3] + self._scroll_y,
)
# Ensure aspect ratio is maintained
vp = self._adjust_viewport_to_aspect_ratio(ar, self._viewport)
# Apply pixel ratio scaling
scale = arcade.get_scaling_factor(self._window)
vp_scaled = tuple(int(v * scale) for v in vp)
self._window.ctx.viewport = vp_scaled
self._window.ctx.projection_2d = proj
def resize(self, width: int, height: int):
"""Resize the the internal texture"""
pixel_scale = get_scaling_factor(self.window)
self._size = width * pixel_scale, height * pixel_scale
self._fbo = self.ctx.framebuffer(
color_attachments=self.ctx.texture((width, height), components=4))
