To stop animation when window is closed, don't use event_handler with
ibut=-1000. Here is a simpler solution:
h = gcf();
while %t
if is_handle_valid(h)
xtitle(msprintf("k = %d",k))
else
break
end
k=k+1;
end
S.
Le 06/06/2019 à 21:29, P M a écrit :
Dear all,
out of curiosity I made a small animation ... see code below.
Note:
The part of the sound section is from a example where I generate
different tones within one sound file.
Hence the intervalls
To the topic:
The animation runs in a while loop.
It is possible to stop the loop, by just closing the figure that
displays the animation.
However this is kind of crashing the program.
Question:
Is it possible to have a function within the loop to check if a
specific key is pressed?
And if this key is pressed, the control variable of the loop changes
and the loop stops?
Thank you,
Philipp
Here the code (Scilab 6.0.2)
clc;
clear();
xdel();
// define the sound
//set bit rate
bitRate = 22050;
// At first we create 0.05 seconds of sound parameters.
t=soundsec(0.05, bitRate);
[nr,nc]=size(t);
// decide how many tones we have
nTones = 1;
// get the intervall size..must be an integer
intervall = nc / nTones;
// Then we generate the sound.
for(i = 1:nTones)
si = sin(2*%pi*(i*700)*t((i-1)*intervall+1 : i*intervall));
s1((i-1)*intervall+1 : i*intervall) = si;
end
for(i = 1:nTones)
si = 0.5+sin(2*%pi*(i*800)*t((i-1)*intervall+1 : i*intervall));
s2((i-1)*intervall+1 : i*intervall) = si;
end
for(i = 1:nTones)
si = 0.5+sin(2*%pi*(i*400)*t((i-1)*intervall+1 : i*intervall));
s3((i-1)*intervall+1 : i*intervall) = si;
end
for(i = 1:nTones)
si = 0.5+sin(2*%pi*(i*600)*t((i-1)*intervall+1 : i*intervall));
s4((i-1)*intervall+1 : i*intervall) = si;
end
// create the scene
xRange = linspace(0,99,100);
yRange = linspace(0,49,100);
xMin = min(xRange);
xMax = max(xRange);
yMin = min(yRange);
yMax = max(yRange);
rectW = xMax - xMin;
rectH = yMax - yMin;
//define the scene rectangle
rectScene = [xMin,yMax, rectW, rectH];
// define a point center = start position
xc = rectW / 2;
yc = rectH / 2;
// plot the scene
f = figure();
f.background = 8;
// plot the rectangle (scene field)
xrect(rectScene);
// plot the center
plot(xc,yc,'o');
a = gca();
e = gce();
a.axes_visible = ["off","off","off"];
a.data_bounds = [xMin,yMin;xMax,yMax];
a.margins = [0.01, 0.01, 0.01, 0.01];
a.tight_limits = ["on","on","off"];
// animate the point as long as playGame = 1
playGame = 1;
xDir = 0.5;// xDir <0 = to the left; xDir >0 = to the right
yDir = -1;// yDir <0 = falling; yDir >0 = raising
speed = 1;
while playGame == 1
if(xDir < 0)
xc = xc-speed;
else
xc = xc+speed;
end
if(yDir < 0)
yc = yc - speed;
else
yc = yc + speed;
end
e.children.data = [xc, yc];
// this is what happens when we reach left border
if(xc<=xMin+1)
playsnd(s1);
xDir = 1;
end
// this is what happens when we reach right border
if(xc>=xMax-1)
playsnd(s2);
xDir = -1;
end
// this is what happens when we reach lower border
if(yc<=yMin+1)
playsnd(s3);
yDir = 1;
end
// this is what happens when we reach upper border
if(yc>=yMax-1)
playsnd(s4);
yDir = -1;
end
sleep(1);
// implement a event handle function ?
// to check if (and if yes which) key has been pressed
// eg.: if return value of event handle function = 0
// -->set playGame = 0;
// -->thus stops the while - loop
end
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--
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
http://www.utc.fr/~mottelet
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