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Joystick position: Difference between revisions
Added a python+pygame example
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EndIf</lang>
[[File:JoystickPosition-PureBasic.png]]
=={{header|Python}}==
{{libheader|Pygame}}
<lang Python>import sys
import pygame
pygame.init()
# Create a clock (for framerating)
clk = pygame.time.Clock()
# Grab joystick 0
if pygame.joystick.get_count() == 0:
raise IOError("No joystick detected")
joy = pygame.joystick.Joystick(0)
joy.init()
# Create display
size = width, height = 600, 600
screen = pygame.display.set_mode(size)
pygame.display.set_caption("Joystick Tester")
# Frame XHair zone
frameRect = pygame.Rect((45, 45), (510, 510))
# Generate crosshair
crosshair = pygame.surface.Surface((10, 10))
crosshair.fill(pygame.Color("magenta"))
pygame.draw.circle(crosshair, pygame.Color("blue"), (5,5), 5, 0)
crosshair.set_colorkey(pygame.Color("magenta"), pygame.RLEACCEL)
crosshair = crosshair.convert()
# Generate button surfaces
writer = pygame.font.Font(pygame.font.get_default_font(), 15)
buttons = {}
for b in range(joy.get_numbuttons()):
buttons[b] = [
writer.render(
hex(b)[2:].upper(),
1,
pygame.Color("red"),
pygame.Color("black")
).convert(),
# Get co-ords: ((width*slot)+offset, offset). Offsets chosen
# to match frames.
((15*b)+45, 560)
]
while True:
# Pump and check the events queue
pygame.event.pump()
for events in pygame.event.get():
if events.type == pygame.QUIT:
pygame.quit()
sys.exit()
# Black the screen
screen.fill(pygame.Color("black"))
# Get joystick axes
x = joy.get_axis(0)
y = joy.get_axis(1)
# Blit to the needed coords:
# x*amplitude+(centre offset (window size/2))-(xhair offset (xh size/2))
screen.blit(crosshair, ((x*250)+300-5, (y*250)+300-5))
pygame.draw.rect(screen, pygame.Color("red"), frameRect, 1)
# Get and display the joystick buttons
for b in range(joy.get_numbuttons()):
if joy.get_button(b):
screen.blit(buttons[b][0], buttons[b][1])
# Write the display
pygame.display.flip()
clk.tick(40) # Limit to <=40 FPS</lang>
=={{header|Tcl}}==
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