then you define the screen and give the window a title<\/p>\n
screen = pygame.display.set_mode((400,300))\r\npygame.display.set_caption('A bit Racey')<\/pre>\nTo control the frame rate:<\/p>\n
clock = pygame.time.Clock()<\/pre>\nthen you start the infinite loop with:<\/p>\n
while loop:<\/pre>\nIt will listen to every event that happens:<\/p>\n
for event in pygame.event.get():<\/pre>\n <\/p>\n
To be able to close the windows properly:<\/p>\n
if event.type == pygame.QUIT:\r\n loop = False<\/pre>\nThen you get the position of the mouse to make the circle related to this position:<\/p>\n
pos = pygame.mouse.get_pos()<\/pre>\n![\"\"](\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/08\/drawcircles.png\")
<\/a><\/p>\nSo, you draw the circle with screen (the display object), the color, the center coordinates (that are the position of the mouse that we get above) and the radius and the width.<\/p>\n
pygame.draw.circle(screen, (0,0,255), pos, 15, 1)<\/pre>\nThen you update the screen<\/p>\n
pygame.display.update()<\/pre>\nand you make it do it for 60 frames for second<\/p>\n
clock.tick(60)<\/pre>\nWhen you click the quit button, the\u00a0 window will close:<\/p>\n
pygame.quit()<\/pre>\nThe entire code to make this pygame app<\/h2>\n
Here are two images of this pygame app in wich you can “draw” on the window. You move the mouse and a circle is drawn making these shapes you can see in the images below. With some little changes you could:<\/p>\n
\n- draw only when you press the mouse<\/li>\n
- change color when you press the keyboard<\/li>\n
- change the dimentions of the ‘brush’<\/li>\n
- change the shape of the brush<\/li>\n
- ecc.<\/li>\n<\/ul>\n
<\/p>\n
![\"\"](\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/08\/game1.png\")
<\/a>![\"\"](\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/08\/game1b.png\")
<\/a><\/p>\nimport pygame\r\n\r\npygame.init()\r\nscreen = pygame.display.set_mode((400,300))\r\npygame.display.set_caption('A bit Racey')\r\nclock = pygame.time.Clock()\r\n\r\nloop = True\r\nwhile loop:\r\n\r\n for event in pygame.event.get():\r\n if event.type == pygame.QUIT:\r\n loop = False\r\n pos = pygame.mouse.get_pos()\r\n pygame.draw.circle(screen, (0,0,255), pos, 15, 1)\r\n pygame.display.update()\r\n clock.tick(60)\r\n\r\n\r\npygame.quit()\r\n# quit()<\/pre>\nYou can make the mouse invisible if you want:<\/p>\n
\r\npygame.mouse.set_visible<\/code>(<\/span>)<\/span>\r\n\r\nhide or show the mouse cursor<\/span><\/div>\r\nset_visible(bool) -> bool<\/span><\/div>\r\n<\/div>\r\nIf the bool argument is true, the mouse cursor will be visible. This will return the previous visible state of the cursor.<\/blockquote>\r\n<\/div>\nThe video about the first tutorial for pygame and python<\/h2>\n