python scripting help

Game Engine Game Engine Support and Discussion
1

i am learning python and i just did a tutorial this is it here
http://blendenzo.com/tutBeginningBGEPython.html

i have written a script. i trying to make a cube move around just using python script. i have 4 sensors and 1 actuator and their linked to the python script but the console keeps saying that there is an error in line 9 but i dont see what is wrong with it. here is my script

cont = GameLogic.getCurrentController()

own = cont.getOwner()

#Sensors:

forward = cont.getSensor(“Up”)
backward = cont.getSensor(“Down”)
turnleft = cont.getSensors(“Left”)
turnright = cont.getSensors(“Right”)

#actucators

motion = cont.getActuator(“motion”)

#process

speed = 5
rspeed = 0.02
walk = 0
turn = 0

if forward.isPositive():
walk = speed
if backward.isPositive():
walk = -speed
if turnleft.isPositive():
walk = rspeed
if turnright.isPositive():
walk = -rspeed

motion.setLinearVelocity(0, walk, 0, 1) 
motion.setDRot(0, 0, turn, 1)
GameLogic.addActiveActuator(motion, 1)
2

If you surround it with

 tags we could read the code much better ;).
Also the error message can be helpful. Usually it is already showing the problem.
 
BTW.: getSensors() and getActuators() are deprecated. You shouldn't use them. Check the [API](http://www.blender.org/documentation/249PythonDoc/GE/GameTypes.SCA_PythonController-class.html) for more information.
3

oh ok then what would you recommend i use instead of getsensors() and getactuators()

4


I think that helps :wink:

5

could you give an egsample of what that would look like in the code.
oh and do you know any good python tutorials for noobs like me.

6

hm, it is an example already


forward = cont.sensors["Up"]

For Python I suggest byteOfPython.pdf.

Do a search. The question for Python tutorials comes up every month. The Game Engine Resources forum contains some tutorials at the stickies too :).

7

#awesome thanks
#hehe i like learning python code

8

Most of your code is deprecated. It’s not hard to change, look at the backwards compatible in my Sig

9

whats your sig and now the console is saying that my sensors have no attrubute sensor

10

ok…sig is short for signature
http://blenderarchive.hostilestudios.com/about.php#backwardscompatible

11

awesome thanks agoose for all your awesomeness

there were one problem i had in my code

if forward.positive
walk = speed
if backward.positive
walk = -speed
if turnleft.positive
walk = rspeed
if turnright.positive
walk = -rspeed

it says invalid syntax error

12

have you indented the text after walk?
e.g


if walk.positive:
     speed = 5.1
if backwalk.positive:
     speed = -5.1
13

im not sure what i did. i just started change parts of the code that was deprecated

14

you are missing “:” after the condition of “if”
e.g.:


if blah == blah :
  smallTalk()
15

that is the rest of my code that i changed but im not sure itsright

cont = GameLogic.getCurrentController()

own = cont.owner()

#Sensors:

forward = cont.sensors[“Up”]
backward = cont.sensors[“Down”]
turnleft = cont.sensors[“Left”]
turnright = cont.sensors[“Right”]

#actucators

motion = cont.getActuator(“motion”)

#process

speed = 5
rspeed = 0.02
walk = 0
turn = 0

if walk.positive:
speed = 5.1
if backwalk.positive:
speed = -5.1
if walkleft.positive:
speed = 2.1
if walkright.positive:
speed = -2.1

motion.setLinearVelocity(0, walk, 0, 1)
motion.setDRot(0, 0, turn, 1)
GameLogic.controller.activate()(motion, 1)

16

Better use

 rather than [quote] tags ;).
 
Your last statements has to much (). The console should tell you that :D.
I wonder why <i>turn</i> never changes.
17 
cont = GameLogic.getCurrentController()

own = cont.owner

#Sensors:

forward = cont.sensors["Up"]
backward = cont.sensors["Down"]
turnleft = cont.sensors["Left"]
turnright = cont.sensors["Right"]

#actucators

motion = cont.actuators["motion"]
#process

speed = 5
rspeed = 0.02
walk = 0
turn = 0

if walk.positive:
     speed = 5.1
if backwalk.positive:
     speed = -5.1
if walkleft.positive:
     speed = 2.1
if walkright.positive:
     speed = -2.1

motion.linV[0.0, walk, 0.0]
motion.dRot[0.0, 0.0, turn]
controller.activate(motion)
18

awesome your code works awesomely