123 lines
4 KiB
Python
123 lines
4 KiB
Python
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import pygame
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import sdl2
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import sdl2.ext
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import sys
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# Initialize Pygame
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pygame.init()
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# Initialize SDL2
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if sdl2.SDL_Init(sdl2.SDL_INIT_VIDEO) != 0:
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print(f"SDL2 initialization failed: {sdl2.SDL_GetError().decode('utf-8')}")
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exit(1)
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# Screen dimensions
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WIDTH, HEIGHT = 640, 480
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sdl_window = sdl2.SDL_CreateWindow(b"Pygame with SDL2 Rendering",
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sdl2.SDL_WINDOWPOS_CENTERED,
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sdl2.SDL_WINDOWPOS_CENTERED,
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WIDTH, HEIGHT,
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sdl2.SDL_WINDOW_SHOWN)
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if not sdl_window:
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print(f"Window creation failed: {sdl2.SDL_GetError().decode('utf-8')}")
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sdl2.SDL_Quit()
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exit(1)
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sdl_renderer = sdl2.SDL_CreateRenderer(sdl_window, -1, sdl2.SDL_RENDERER_ACCELERATED)
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if not sdl_renderer:
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print(f"Renderer creation failed: {sdl2.SDL_GetError().decode('utf-8')}")
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sdl2.SDL_DestroyWindow(sdl_window)
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sdl2.SDL_Quit()
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exit(1)
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# Colors
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BLACK = sdl2.ext.Color(0, 0, 0)
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WHITE = sdl2.ext.Color(255, 255, 255)
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RED = sdl2.ext.Color(255, 0, 0)
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# Set up the clock for managing the frame rate
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clock = pygame.time.Clock()
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font = pygame.font.Font(None, 24) # Reduce font size for better fit
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# Object properties
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object_size = 50
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object_x = WIDTH // 2
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object_y = HEIGHT // 2
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object_speed = 5
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# Event text
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event_text = ""
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# Helper function to create SDL texture from Pygame surface
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def create_texture_from_surface(surface):
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width, height = surface.get_size()
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texture = sdl2.SDL_CreateTexture(sdl_renderer,
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sdl2.SDL_PIXELFORMAT_ARGB8888,
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sdl2.SDL_TEXTUREACCESS_STREAMING,
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width, height)
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pixels = pygame.image.tostring(surface, "ARGB")
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sdl2.SDL_UpdateTexture(texture, None, pixels, width * 4)
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return texture
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# Main loop
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running = True
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while running:
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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running = False
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if event.type in [pygame.KEYDOWN, pygame.KEYUP]:
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event_text = f"Event: {pygame.event.event_name(event.type)}, Key: {pygame.key.name(event.key)}"
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print(event_text)
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# Get the current state of all keyboard buttons
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keys = pygame.key.get_pressed()
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if keys[pygame.K_LEFT]:
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object_x -= object_speed
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if keys[pygame.K_RIGHT]:
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object_x += object_speed
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if keys[pygame.K_UP]:
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object_y -= object_speed
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if keys[pygame.K_DOWN]:
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object_y += object_speed
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# Ensure the object stays within the screen bounds
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object_x = max(0, min(WIDTH - object_size, object_x))
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object_y = max(0, min(HEIGHT - object_size, object_y))
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# Clear the screen
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sdl2.SDL_SetRenderDrawColor(sdl_renderer, WHITE.r, WHITE.g, WHITE.b, WHITE.a)
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sdl2.SDL_RenderClear(sdl_renderer)
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# Draw the moveable object
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rect = sdl2.SDL_Rect(object_x, object_y, object_size, object_size)
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sdl2.SDL_SetRenderDrawColor(sdl_renderer, RED.r, RED.g, RED.b, RED.a)
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sdl2.SDL_RenderFillRect(sdl_renderer, rect)
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# Calculate and display FPS
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fps = clock.get_fps()
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fps_surface = font.render(f'FPS: {int(fps)}', True, (0, 0, 0))
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fps_texture = create_texture_from_surface(fps_surface)
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sdl2.SDL_RenderCopy(sdl_renderer, fps_texture, None, sdl2.SDL_Rect(10, 10, fps_surface.get_width(), fps_surface.get_height()))
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# Display the event text
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event_surface = font.render(event_text, True, (0, 0, 0))
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event_texture = create_texture_from_surface(event_surface)
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sdl2.SDL_RenderCopy(sdl_renderer, event_texture, None, sdl2.SDL_Rect(10, 50, event_surface.get_width(), event_surface.get_height()))
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# Update the display
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sdl2.SDL_RenderPresent(sdl_renderer)
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# Cap the frame rate at 60 FPS
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clock.tick(60)
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# Destroy textures to avoid memory leaks
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sdl2.SDL_DestroyTexture(fps_texture)
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sdl2.SDL_DestroyTexture(event_texture)
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# Clean up and close the SDL2 window
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sdl2.SDL_DestroyRenderer(sdl_renderer)
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sdl2.SDL_DestroyWindow(sdl_window)
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sdl2.SDL_Quit()
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pygame.quit()
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sys.exit()
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