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mostly done with rendering

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This commit is contained in:
Linus Vogel 2025-12-06 17:02:03 +01:00
parent 78cf579e0f
commit 095a18b0ea
5 changed files with 43 additions and 23 deletions
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1
.idea/workspace.xml generated
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@ -8,6 +8,7 @@
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/src/starsky_presenter/entry.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/starsky_presenter/entry.py" afterDir="false" />
<change beforePath="$PROJECT_DIR$/src/starsky_presenter/projection/screen.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/starsky_presenter/projection/screen.py" afterDir="false" />
<change beforePath="$PROJECT_DIR$/src/starsky_presenter/resources/main_window.qml" beforeDir="false" afterPath="$PROJECT_DIR$/src/starsky_presenter/resources/main_window.qml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/src/starsky_presenter/resources/objects.yml" beforeDir="false" afterPath="$PROJECT_DIR$/src/starsky_presenter/resources/objects.yml" afterDir="false" />
</list>
<option name="SHOW_DIALOG" value="false" />

16
src/starsky_presenter/entry.py
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@ -6,6 +6,7 @@ from importlib.readers import FileReader
from importlib.machinery import SourcelessFileLoader
from io import BufferedReader
from pathlib import Path
from time import time
import yaml
from random import random, seed
@ -37,14 +38,15 @@ def cli_main():
star_references = {}
print(json.dumps(scenes, indent=4))
print(json.dumps(objects, indent=4))
print(json.dumps(scene_data, indent=4))
#print(json.dumps(scenes, indent=4))
#print(json.dumps(objects, indent=4))
#print(json.dumps(scene_data, indent=4))
def setup_star_instance(data: dict) -> Star:
image_path = f"resources/{data['image']}"
image = pygame.image.load(reader.open_resource(image_path))
data['image'] = image
star = Star(**data)
star_references[data['sid']] = star
return star
@ -58,13 +60,21 @@ def cli_main():
screen = Screen(stars, background)
control_window = ControlWindow(screen)
last_time = time()
while control_window.is_running():
control_window.process_events()
screen.update(scene_data)
now = time()
print(f"{1/(now - last_time):.02f} fps")
last_time = now
screen.close()
control_window.close()
pygame.quit()
exit(0)

32
src/starsky_presenter/projection/screen.py
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@ -18,11 +18,12 @@ class Star:
self.offset = offset
self.image = image
class Screen:
def __init__(self, stars: list[Star], background: Surface | None) -> None:
if not pygame.get_init():
pygame.init()
self.screen = pygame.display.set_mode((1920, 1080))
self.screen = pygame.display.set_mode((1920, 1080), display=1, flags=pygame.FULLSCREEN | pygame.DOUBLEBUF | pygame.WINDOWTAKEFOCUS)
self.clock = pygame.time.Clock()
self.stars = stars
self.last = time()
@ -30,7 +31,19 @@ class Screen:
self.active_scene = 0
self.last_scene = 0
self.scene_time: float = 0
self.background = background
if background:
ratio_x = self.screen.get_width() / background.get_width()
ratio_y = self.screen.get_height() / background.get_height()
scaled_background = transform.rotozoom(background, 0, max(ratio_x, ratio_y))
self.bg_pos = (
(self.screen.get_width() - scaled_background.get_width()) / 2,
(self.screen.get_height() - scaled_background.get_height()) / 2
)
self.background = scaled_background
else:
self.background = None
self.bg_pos = None
@ -49,27 +62,22 @@ class Screen:
star.rot = weight*new[star.sid]['rot'] + (1-weight)*old[star.sid]['rot']
star.scale = weight*new[star.sid]['scale'] + (1-weight)*old[star.sid]['scale']
# first draw the background, if any
if self.background:
ratio_x = self.screen.get_width() / self.background.get_width()
ratio_y = self.screen.get_height() / self.background.get_height()
scaled_background = transform.rotozoom(self.background, 0, max(ratio_x, ratio_y))
bg_pos = (
(self.screen.get_width() - scaled_background.get_width()) / 2,
(self.screen.get_height() - scaled_background.get_height()) / 2
)
self.screen.blit(scaled_background, bg_pos)
self.screen.blit(self.background, self.bg_pos)
# draw all the star objects
for star in self.stars:
update_star_scene(star, scene_data[self.last_scene], scene_data[self.active_scene], weight)
star.alpha += star.rot * delta
scaled = transform.rotozoom(star.image, star.alpha, star.scale)
computed_scale = star.scale * (self.screen.get_width() / star.image.get_width() / 100)
scaled = transform.rotozoom(star.image, star.alpha, computed_scale)
(w, h) = scaled.get_size()
pos = (star.x*self.screen.get_width() - w/2, star.y*self.screen.get_height() - h/2)
self.screen.blit(scaled, pos)
overlay = pygame.surface.Surface((1920, 1080), depth=32)
overlay.set_alpha(int(255 * (1 - self.brightness)))
self.screen.blit(overlay, (0, 0))

3
src/starsky_presenter/resources/main_window.qml
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@ -8,7 +8,8 @@ ApplicationWindow {
width: 800
height: 600
title: "StarSky Presenter"
flags: Qt.FramelessWindowHint
flags: Qt.WindowCloseButtonHint | Qt.WindowStaysOnBottomHint
modality: Qt.ApplicationModal
Button {
anchors.horizontalCenter: parent.horizontalCenter

14
src/starsky_presenter/resources/objects.yml
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@ -1,18 +1,18 @@
stars:
- sid: star-bg-01
- sid: star-1
x: 0.1
y: 0.1
scale: 0.6
scale: 2
alpha: 0
rot: 30
offset: 0
image: BasicStar1.png
- sid: star-bg-02
x: 0.3
image: nice-star-1.png
- sid: star-2
x: 0.25
y: 0.4
scale: 0.8
scale: 2
alpha: 25
rot: 29
offset: 0
image: BasicStar1.png
image: nice-star-2.png
background: background-01.jpg