Raphael
Lernen
Code
- raphael1.py
# -*- coding: utf-8 -*- import turtle as t t.speed(0) t.setpos(-10,0) t.left(20) for du in range(75): t.fd(10) t.rt(45) t.fd(du) t.penup()#nicht mehr zeichnen t.setpos(-100,-10) t.seth(270) t.pendown() #wieder zeichnen t.speed(3) t.circle(110) t.penup()#nicht mehr zeichnen t.setpos(0,0) t.pendown() #wieder zeichnen for ihm in range(8): t.fd(100) t.back(100) t.rt(45)
- raphael2.py
# -*- coding: utf-8 -*- """ part2step005_ball_with_fixed_movement bouncing ball. each frame the complete screen is filled with the background, making this example simple to code but possible slow on larger resolutions. Each frame, a random-coloured circle is drawn with randomized radius directly on the screen. Try to manipulate the display.set_mode values to change the resolution.""" import pygame import random pygame.init() screen=pygame.display.set_mode((640,480)) # try out larger values and see what happens ! background = pygame.Surface(screen.get_size()) background.fill((random.randint(0,255) ,random.randint(0,255) ,random.randint(0,255))) # (red,green,blue) background = background.convert() ball1 = pygame.Surface((50,50)) #create a new surface (black by default) ball2 = pygame.Surface((50,50)) ball3 = pygame.Surface((50,50)) ball1.set_colorkey((0,0,0)) #make black the transparent color (red,green,blue) ball2.set_colorkey((0,0,0)) ball3.set_colorkey((0,0,0)) #pygame.draw.circle(Surface, color, pos, radius, width=0) pygame.draw.circle(ball1, (0,0,255), (25,25),25) # paint blue circle pygame.draw.circle(ball2, (0,0,255), (25,25),25) pygame.draw.circle(ball3, (0,0,255), (25,25),25) ball1 = ball1.convert_alpha() # if you use tranparent colors you need convert_alpha() ball2 = ball2.convert_alpha() ball3 = ball3.convert_alpha() ball1x, ball1y = 0, 750 # start position of the ball (x,y) ball2x, ball2y = 0, 0 ball3x, ball3y = 750, 350 dx1, dy1 = random.randint(5,10), random.randint(5,10) # speed vector of the ball in pixel per frame dx2, dy2 = random.randint(5,10), random.randint(5,10) dx3, dy3 = random.randint(5,10), random.randint(5,10) screen.blit(background, (0,0)) #draw background on screen (overwriting all) screen.blit(ball1, (ball1x, ball1y)) #draw the topleft corner of ball surface at pos (ballx, bally) screen.blit(ball2, (ball2x, ball2y)) screen.blit(ball3, (ball3x, ball3y)) clock = pygame.time.Clock() mainloop = True zeit=0 FPS = 30 # desired framerate in frames per second. while mainloop: # do all this each frame milliseconds = clock.tick(FPS) # do not go faster than this framerate zeit+=milliseconds for event in pygame.event.get(): if event.type == pygame.QUIT: mainloop = False # pygame window closed by user elif event.type == pygame.KEYDOWN: if event.key == pygame.K_ESCAPE: mainloop = False # user pressed ESC pygame.display.set_caption("FPS: %.2f X: %.2f Y: %.2f dx: %.2f dy:" " %.2f" % (clock.get_fps(), ball1x, ball1y, dx1, dy1)) # if zeit > random.randint(15000,20000): # zeit=0 # background.fill((random.randint(0,255) # ,random.randint(0,255) # ,random.randint(0,255))) # screen.blit(background, (0,0)) #draw background on screen (overwriting all) #inside mainloop, after screen.blit(background,(0,0)) #colour = (random.randint(0,255),random.randint(0,255),random.randint(0,255)) #radius = random.randint(50,55) #pygame.draw.circle(screen, colour , (100,100), radius, 2) # draw pulsating circle #calculate new center of ball ball1x += dx1 ball2x += dx2 ball3x += dx3 ball1y += dy1 ball2y += dy2 ball3y += dy3 if (( abs(ball1x - ball2x) < 25 and abs(ball1y - ball2y) < 25) or ( abs(ball1x - ball3x) < 25 and abs(ball1y - ball3y) < 25) or ( abs(ball2x - ball3x) < 25 and abs(ball2y - ball3y) < 25)): background.fill((random.randint(0,255) ,random.randint(0,255) ,random.randint(0,255))) screen.blit(background, (0,0)) dx1+= random.randint(-1,1) dx2+= random.randint(-1,1) dx3+= random.randint(-1,1) dy1+= random.randint(-1,1) dy2+= random.randint(-1,1) dy3+= random.randint(-1,1) # bounce ball if out of screen if ball1x < 0: ball1x = 0 #dx *= -1 dx1 =random.randint(5,10) if ball2x < 0: ball2x = 0 dx2 =random.randint(5,10) if ball3x < 0: ball3x = 0 dx3 =random.randint(5,10) if ball1x + ball1.get_width() > screen.get_width(): ball1x = screen.get_width() - ball1.get_width() #dx *= -1 dx1= -1*random.randint(5,10) if ball2x + ball2.get_width() > screen.get_width(): ball2x = screen.get_width() - ball2.get_width() dx2= -1*random.randint(5,10) if ball3x + ball3.get_width() > screen.get_width(): ball3x = screen.get_width() - ball3.get_width() dx3= -1*random.randint(5,10) if ball1y < 0: ball1y = 0 #dy *= -1 dy1 =random.randint(5,10) if ball2y < 0: ball2y = 0 dy2 =random.randint(5,10) if ball3y < 0: ball3y = 0 dy3 =random.randint(5,10) if ball1y + ball1.get_height() > screen.get_height(): ball1y = screen.get_height() - ball1.get_height() #dy *= -1 dy1= -1*random.randint(5,10) if ball2y + ball2.get_height() > screen.get_height(): ball2y = screen.get_height() - ball2.get_height() dy2= -1*random.randint(5,10) if ball3y + ball3.get_height() > screen.get_height(): ball3y = screen.get_height() - ball3.get_height() dy3= -1*random.randint(5,10) # paint the ball pygame.draw.circle(ball1, (random.randint(200,255),random.randint(100,200),random.randint(0,100)), (25,25),25) pygame.draw.circle(ball2, (random.randint(0,100),random.randint(100,200),random.randint(200,255)), (25,25),25) pygame.draw.circle(ball3, (random.randint(100,200),random.randint(200,255),random.randint(0,100)), (25,25),25) screen.blit(ball1, (round(ball1x,0), round(ball1y,0))) screen.blit(ball2, (round(ball2x,0), round(ball2y,0))) screen.blit(ball3, (round(ball3x,0), round(ball3y,0))) pygame.display.flip() # flip the screen FPS times a second
SINUS & COSINUS
- raphael2.py
# -*- coding: utf-8 -*- """ part2step011-rotozoom.py loading the images snake.gif from a subfolder called 'data' The subfolder must be inside the same folder as the program itself. The snake surface can be moved with the cursor keys, rotated with a and d key and and zoomed with w and s key. """ import pygame import os import sys import math try: # load from subfolder 'data' background = pygame.image.load(os.path.join("data","background640x480_a.jpg")) snake = pygame.image.load(os.path.join("data","snake.gif")) except: sys.exit("Unable to find the images in the folder 'data' :-( ") #finally: pygame.init() screen=pygame.display.set_mode((640,480)) # try out larger values and see what happens ! background = background.convert() # jpg can not have transparency snake = snake.convert_alpha() # png image has transparent color snake_original = snake.copy() # store a unmodified copy of the snake surface snakex, snakey = 250, 240 # start position of snake surface dx, dy = 0, 0 # snake speed in pixel per second ! speed = 0 # in pixel / second angle = 0 # current orientation of snake zoom = 1.0 # current zoom factor zoomspeed = 0.01 turnspeed = 30 # in Grad (360) per second screen.blit(background, (0,0)) # blit background on screen (overwriting all) screen.blit(snake, (snakex, snakey)) # blit the snake shape clock = pygame.time.Clock() # create pygame clock object mainloop = True FPS = 60 # desired max. framerate in frames per second. while mainloop: milliseconds = clock.tick(FPS) # milliseconds passed since last frame seconds = milliseconds / 1000.0 # seconds passed since last frame for event in pygame.event.get(): if event.type == pygame.QUIT: mainloop = False # pygame window closed by user elif event.type == pygame.KEYDOWN: if event.key == pygame.K_ESCAPE: mainloop = False # user pressed ESC pygame.display.set_caption("press cursor keys and w a s d - fps:" "%.2f zoom: %.2f angle %.2f" % (clock.get_fps(), zoom, angle)) # only blit the part of the background where the snake was (cleanrect) try: #if the subsurface is outside the screen pygame would raise an error #this can happen when using rotozoom, therfore check inside try..except dirtyrect = background.subsurface((round(snakex,0), round(snakey,0), snake.get_width(), snake.get_height())) screen.blit(dirtyrect, (round(snakex,0), round(snakey,0))) except: screen.blit(background,(0,0)) # blit the whole background (slow but secure) # move snake with cursor keys pressedkeys = pygame.key.get_pressed() dx, dy = 0, 0 # no cursor key, no movement angleradiant = angle * (math.pi * 2.0) / 180.0 print angle dx += math.cos(angleradiant) * speed dy += math.sin(angleradiant) * speed # if pressedkeys[pygame.K_LEFT]: # dx -= speed # if pressedkeys[pygame.K_RIGHT]: # dx += speed if pressedkeys[pygame.K_UP]: speed += 2 if pressedkeys[pygame.K_DOWN]: speed -= 2 if speed < 0: speed =0 #calculate new center of snake snakex += dx * seconds # time based movement snakey += dy * seconds # rotate snake with a and d key turnfactor = 0 # neither a nor d, no turning #if pressedkeys[pygame.K_a]: #turnfactor += 1 # counter-clockwise if pressedkeys[pygame.K_LEFT]: turnfactor += 1 # if pressedkeys[pygame.K_d]: # turnfactor -= 1 #clock-wise if pressedkeys[pygame.K_RIGHT]: turnfactor -= 1 # zoom snake with w and s key zoomfactor = 1.0 # neither w nor s, no zooming if pressedkeys[pygame.K_w]: zoomfactor += zoomspeed if pressedkeys[pygame.K_s]: zoomfactor -= zoomspeed if turnfactor != 0 or zoomfactor !=1.0: angle += turnfactor * turnspeed * seconds # time-based turning if angle > 360: angle -= 360 if angle < -360: angle += 360 zoom *= zoomfactor # the surface shrinks and zooms and moves by rotating oldrect = snake.get_rect() # store current surface rect snake = pygame.transform.rotozoom(snake_original, angle, zoom) newrect = snake.get_rect() # store new surface rect # put new surface rect center on same spot as old surface rect center snakex += oldrect.centerx - newrect.width / 2 snakey += oldrect.centery - newrect.height / 2 # paint the snake screen.blit(snake, (round(snakex,0), round(snakey,0))) pygame.display.flip() # flip the screen 30 times a second # flip the screen 30 (or FPS) times a second
