搞完后立马画了一个黑崎一护
import pygame from pygame.locals import * import math class Brush: def __init__(self, screen): self.screen = screen self.color = (0, 0, 0) self.size = 1 self.drawing = False self.last_pos = None self.style = False self.brush = pygame.image.load(r'C:UsersASUSPicturesassetsrush.png') self.brush_now = self.brush.subsurface((0, 0), (1, 1)) def start_draw(self, pos): self.drawing = True self.last_pos = pos def end_draw(self): self.drawing = False def set_brush_style(self, style): print('* set brush style to', style) self.style = style def get_brush_style(self): return self.style def get_current_brush(self): return self.brush_now def set_size(self, size): if size < 0.5: size = 0.5 elif size > 32: size = 32 print('* set brush size to', size) self.size = size self.brush_now = self.brush.subsurface((0, 0), (size * 2, size * 2)) def get_size(self): return self.size def set_color(self, color): self.color = color for i in range(self.brush.get_width()): for j in range(self.brush.get_height()): self.brush.set_at((i, j), color + (self.brush.get_at((i, j)).a,)) def get_color(self): return self.color def draw(self, pos): if self.drawing: for p in self.get_points(pos): # draw every point between them if not self.style: pygame.draw.circle(self.screen, self.color, p, int(self.size)) else: self.screen.blit(self.brush_now, p) self.last_pos = pos def get_points(self, pos): # get all points from last_point ~ current point points = [(self.last_pos[0], self.last_pos[1])] len_x = pos[0] - self.last_pos[0] len_y = pos[1] - self.last_pos[1] length = math.sqrt(len_x ** 2 + len_y ** 2) step_x = len_x / length step_y = len_y / length for i in range(int(length)): points.append((points[-1][0] + step_x, points[-1][1] + step_y)) points = map(lambda x: (int(0.5 + x[0]), int(0.5 + x[1])), points) # return light_weight,using integer point list return list(set(points)) class Menu: def __init__(self, screen): self.screen = screen self.brush = None # colors self.colors = [ (0xff, 0x00, 0xff), (0x80, 0x00, 0x80), (0x00, 0x00, 0xff), (0x00, 0x00, 0x80), (0x00, 0xff, 0xff), (0x00, 0x80, 0x80), (0x00, 0xff, 0x00), (0x00, 0x80, 0x00), (0xff, 0xff, 0x00), (0x80, 0x80, 0x00), (0xff, 0x00, 0x00), (0x80, 0x00, 0x00), (0xc0, 0xc0, 0xc0), (0xff, 0xff, 0xff), (0x00, 0x00, 0x00), (0x80, 0x80, 0x80), ] self.colors_rect = [] for (i, rgb) in enumerate(self.colors): rect = pygame.Rect(10 + i % 2 * 32, 254 + i / 2 * 32, 32, 32) self.colors_rect.append(rect) # pens self.pens = [ pygame.image.load(r'C:UsersASUSPicturesassetspen1.png').convert_alpha(), pygame.image.load(r'C:UsersASUSPicturesassetspen2.png').convert_alpha() ] self.pens_rect = [] for (i, img) in enumerate(self.pens): rect = pygame.Rect(10, 10 + i * 64, 64, 64) self.pens_rect.append(rect) # sizes self.sizes = [ pygame.image.load(r'C:UsersASUSPicturesassetsig.png').convert_alpha(), pygame.image.load(r'C:UsersASUSPicturesassetssmall.png').convert_alpha() ] self.sizes_rect = [] for (i, img) in enumerate(self.sizes): rect = pygame.Rect(10 + i * 32, 138, 32, 32) self.sizes_rect.append(rect) def set_brush(self, brush): self.brush = brush def draw(self): # draw pen style button for (i, img) in enumerate(self.pens): self.screen.blit(img, self.pens_rect[i].topleft) # draw < > buttons for (i, img) in enumerate(self.sizes): self.screen.blit(img, self.sizes_rect[i].topleft) # draw curren pen,color self.screen.fill((255, 255, 255), (10, 180, 64, 64)) pygame.draw.rect(self.screen, (0, 0, 0), (10, 180, 64, 64), 1) size = self.brush.get_size() x = 10 + 32 y = 180 + 32 if self.brush.get_brush_style(): x -= size y -= size self.screen.blit(self.brush.get_current_brush(), (x, y)) else: pygame.draw.circle(self.screen, self.brush.get_color(), (int(x), int(y)), int(size)) # draw colors panel for (i, rgb) in enumerate(self.colors): pygame.draw.rect(self.screen, rgb, self.colors_rect[i]) def click_button(self, pos): # pen buttons for (i, rect) in enumerate(self.pens_rect): if rect.collidepoint(pos): self.brush.set_brush_style(bool(i)) return True # size buttons for (i, rect) in enumerate(self.sizes_rect): if rect.collidepoint(pos): if i: self.brush.set_size(self.brush.get_size() - 0.5) else: self.brush.set_size(self.brush.get_size() + 0.5) return True # color buttons for (i, rect) in enumerate(self.colors_rect): if rect.collidepoint(pos): self.brush.set_color(self.colors[i]) return True return False class Painter: def __init__(self): self.screen = pygame.display.set_mode((800, 600)) pygame.display.set_caption('longjj的画板') self.clock = pygame.time.Clock() self.brush = Brush(self.screen) self.menu = Menu(self.screen) self.menu.set_brush(self.brush) def run(self): self.screen.fill((255, 255, 255)) while True: # max fps limit self.clock.tick(30) for event in pygame.event.get(): if event.type == QUIT: return elif event.type == KEYDOWN: # press Esc to clear screen if event.key == K_ESCAPE: self.screen.fill((255, 255, 255)) elif event.type == MOUSEBUTTONDOWN: # if event.pos[0] <= 74 and self.menu.click_button(event.pos): # if not clicking on a button, do drawing pass else: self.brush.start_draw(event.pos) elif event.type == MOUSEMOTION: self.brush.draw(event.pos) elif event.type == MOUSEBUTTONUP: self.brush.end_draw() self.menu.draw() pygame.display.update() if __name__ == '__main__': app = Painter() app.run()