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Fix Minor Typos in Variable Server tutorial. #1122

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Penn, John M 047828115 2021-05-20 12:55:54 -05:00
parent aab93a0c8b
commit 1e9c88dd0e
1 changed files with 13 additions and 13 deletions
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docs/tutorial/TutVariableServer.md
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@ -167,7 +167,7 @@ following commands:
* **trick.var_unpause()** * **trick.var_unpause()**
The [**var_pause**](#api-var-pause), and [**var_unpause**](#api-var-unpause) The [**var_pause**](#api-var-pause), and [**var_unpause**](#api-var-unpause)
commandsare generally used at the beginning, and ending of variable server commands are generally used at the beginning, and ending of variable server
session configurations. [**var_pause**](#api-var-pause) tells the variable session configurations. [**var_pause**](#api-var-pause) tells the variable
server to stop sending data, if it is. [**var_unpause**](#api-var-unpause), server to stop sending data, if it is. [**var_unpause**](#api-var-unpause),
tells the variable server to start sending data. tells the variable server to start sending data.
@ -179,7 +179,7 @@ The two [**var_add**](#api-var-add) commands add "dyn.cannon.pos[0]"
and "dyn.cannon.pos[1]" to the session variable list. and "dyn.cannon.pos[1]" to the session variable list.
:warning: Please notice that the quotes around the variable names must be :warning: Please notice that the quotes around the variable names must be
escaped with the '\' (baskslash) character. escaped with the '\' (backslash) character.
``` ```
client_socket.send( "trick.var_add(\"dyn.cannon.pos[0]\") \n" + client_socket.send( "trick.var_add(\"dyn.cannon.pos[0]\") \n" +
@ -290,11 +290,11 @@ else :
sys.exit() sys.exit()
# ---------------------------------------------------------------------- # ----------------------------------------------------------------------
# 2.0 Set client Parameters # 2.0 Set client Parameters.
HEIGHT, WIDTH = 500, 800 # Canvas Dimensions HEIGHT, WIDTH = 500, 800 # Canvas Dimensions
MARGIN = 20 # Margins round the axes. MARGIN = 20 # Margins around the axes
SCALE = 3 # Scale = 3 pixels per meter. SCALE = 3 # Scale = 3 pixels per meter
ballRadius = 5 # Ball radius in pixels. ballRadius = 5 # Ball radius in pixels
# ---------------------------------------------------------------------- # ----------------------------------------------------------------------
# 3.0 Create constants for clarity. # 3.0 Create constants for clarity.
@ -303,7 +303,7 @@ MODE_RUN = 5
# ---------------------------------------------------------------------- # ----------------------------------------------------------------------
# 4.0 Create a variable to indicate that we want to "fire" the cannon, # 4.0 Create a variable to indicate that we want to "fire" the cannon,
# and a callback function to set it. # and a callback function to set it.
fireCommand = False fireCommand = False
def cannonFire(): def cannonFire():
global fireCommand global fireCommand
@ -324,12 +324,12 @@ buttonFrame.pack(side=BOTTOM)
fireButton = Button(buttonFrame,text="fire",command=cannonFire) fireButton = Button(buttonFrame,text="fire",command=cannonFire)
fireButton.pack(side=LEFT) fireButton.pack(side=LEFT)
# 5.3 Add an Initial Speed Scale # 5.3 Add an Initial Speed Scale.
speedScale = Scale(buttonFrame, from_=5, to=50, label="Initial Speed", orient=HORIZONTAL) speedScale = Scale(buttonFrame, from_=5, to=50, label="Initial Speed", orient=HORIZONTAL)
speedScale.pack(side=LEFT) speedScale.pack(side=LEFT)
speedScale.set(50) speedScale.set(50)
# *5.4 Add an Initial Angle Scale # 5.4 Add an Initial Angle Scale.
angleScale = Scale(buttonFrame, from_=5, to=80, label="Initial Angle", orient=HORIZONTAL) angleScale = Scale(buttonFrame, from_=5, to=80, label="Initial Angle", orient=HORIZONTAL)
angleScale.pack(side=LEFT) angleScale.pack(side=LEFT)
angleScale.set(30) angleScale.set(30)
@ -383,7 +383,7 @@ while(True):
cx,cy = (x*SCALE+MARGIN), (HEIGHT-y*SCALE-MARGIN) cx,cy = (x*SCALE+MARGIN), (HEIGHT-y*SCALE-MARGIN)
canvas.coords(cannonBall,cx-ballRadius,cy-ballRadius,cx+ballRadius,cy+ballRadius) canvas.coords(cannonBall,cx-ballRadius,cy-ballRadius,cx+ballRadius,cy+ballRadius)
# 8.4 Get and display current Sim Mode # 8.4 Get and display current Sim Mode.
simMode = int(field[3]) simMode = int(field[3])
if simMode == MODE_FREEZE: if simMode == MODE_FREEZE:
canvas.itemconfigure(modeText, fill="blue", text="FREEZE") canvas.itemconfigure(modeText, fill="blue", text="FREEZE")
@ -407,12 +407,12 @@ while(True):
if fireCommand: if fireCommand:
fireCommand = False fireCommand = False
fireButton.config(state=DISABLED) fireButton.config(state=DISABLED)
# *** Command the sim to assign the slider values to init_speed, and init_angle. # 8.6.1 Command the sim to assign the slider values to init_speed, and init_angle.
client_socket.send( "dyn.cannon.init_speed = " + str(speedScale.get()) + " \n") client_socket.send( "dyn.cannon.init_speed = " + str(speedScale.get()) + " \n")
client_socket.send( "dyn.cannon.init_angle = " + str(angleScale.get()*(math.pi/180.0)) + " \n") client_socket.send( "dyn.cannon.init_angle = " + str(angleScale.get()*(math.pi/180.0)) + " \n")
# *** Command the sim to re-run the cannon_init job. # 8.6.2 Command the sim to re-run the cannon_init job.
client_socket.send( "trick.cannon_init( dyn.cannon )\n") client_socket.send( "trick.cannon_init( dyn.cannon )\n")
# *** Command the sim to RUN mode. # 8.6.3 Command the sim to RUN mode.
client_socket.send( "trick.exec_run()\n") client_socket.send( "trick.exec_run()\n")
# 8.7 Update the Tk graphics. # 8.7 Update the Tk graphics.