Hi!
I am very new to ODE! I had a look at tutorial 1 and 2, and i wanted to make
my own little test sample!
The program is very similar to tutorial2 but very selfmade, but it doesnt
work! Why? I dont know!! I think there is a problem with the coordinates!
I wrote the following code:
#! /usr/bin/env python
import pygame
from pygame.locals import *
import ode
WIDTH = 800
HEIGHT = 600
def coord(x, y):
x = x * (WIDTH / 4);
y = HEIGHT - y * (HEIGHT / 4);
return x, y
def initPygame():
pygame.init()
srf = pygame.display.set_mode( (WIDTH, HEIGHT) )
pygame.display.set_caption('Kran Beispiel mittels ODE')
return srf
def initOde():
world = ode.World()
world.setGravity( (0, -9.81, 0) )
return world
def makeKugel(w):
kugel = ode.Body(w)
m = ode.Mass()
m.setBox(7900, 0.2, 0.2, 0.3)
kugel.setMass(m)
kugel.setPosition( (3, 3.8, 0) )
return kugel
def drawKran(srf):
srf.lock()
pygame.draw.rect(srf, (100, 200, 40), (coord(0, 4), coord(2, 3.8)), 0)
pygame.draw.rect(srf, (100, 200, 40), (coord(0, 4), coord(0.2, 0)), 0)
srf.unlock()
if __name__ == '__main__':
loop = True
fps = 50
dt = 1.0 / fps
clk = pygame.time.Clock()
srf = initPygame()
world = initOde()
kugel = makeKugel(world)
bj = ode.BallJoint(world)
bj.setAnchor( (2, 3.8, 0) )
bj.attach(kugel, ode.environment)
while (loop):
for e in pygame.event.get():
if (e.type == QUIT):
loop = False
srf.fill( (255,255,255) )
drawKran(srf)
kx, ky, kz = kugel.getPosition()
print kx, ky, kz
pygame.draw.line(srf, (0,0,0), coord(2, 3.8), coord(kx, ky), 3)
pygame.draw.rect(srf, (0,100,50), (coord(kx, ky), coord(kx + 0.1, ky -
0.1)), 0)
pygame.display.flip()
world.step(dt)
clk.tick(fps)
if you find the bugs please talk to me like talking to a four year old child
(maybe some explanation would be nice ;) )!
thanks,
Matthias
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