-
Notifications
You must be signed in to change notification settings - Fork 1
/
knowledge.js
1121 lines (1067 loc) · 58.4 KB
/
knowledge.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
knowledge={
skipwords:['' , ';' , ',' , '[' , ']' , '(' , ')' , '{' , '}' ],
commands:{
/* trignometric functions */
':sin':{run:function(angle) {
return (Math.sin(piBy180 * angle));
},
help:'Trignometric sine function',
shorthelp:'Trignometric sine function',
params:{
angle:{
help:'The angle to get sine for. Accepts degrees',
type:'angle'
}
},
returns:{
help:'The sine of the angle',
type:'float'
}
},
':cos':{run:function(angle) {
return (Math.cos(piBy180 * angle));
},
help:'Trignometric cosine function',
shorthelp:'Trignometric cosine function',
params:{
angle:{
help:'The angle to get cosine for. Accepts degrees',
type:'angle'
}
},
returns:{
help:'The cosine of the angle',
type:'float'
}
},
':tan':{run:function(angle) {
return (Math.tan(piBy180 * angle));
},
help:'Trignometric tangent function',
shorthelp:'Trignometric tangent function',
params:{
angle:{
help:'The angle to get tangent for. Accepts degrees',
type:'angle'
}
},
returns:{
help:'The tangent of the angle',
type:'float'
}
},
':asin':{run:function(asin) {
return (Math.asin(asin *180/Math.PI));
},
help:'Trignometric arc sine function',
shorthelp:'Trignometric arc sine function',
params:{
sine:{
help:'The angle to get arc sine for. Accepts degrees',
type:'float'
}
},
returns:{
help:'The arc sine of the angle',
type:'angle'
}
},
':acos':{run:function(acos) {
return (Math.acos(acos)* 180/Math.PI );
},
help:'Trignometric arc cosine function',
shorthelp:'Trignometric arc cosine function',
params:{
cosine:{
help:'The angle to get arc cosine for. Accepts degrees',
type:'float'
}
},
returns:{
help:'The arccosine of the angle',
type:'float'
}
},
':atan':{run:function(atan) {
return (Math.atan(atan)* 180/Math.PI );
},
help:'Trignometric arctangent function',
shorthelp:'Trignometric arctangent function',
params:{
arctangent:{
help:'The angle to get arc tangent for. Accepts degrees',
type:'float'
}
},
returns:{
help:'The arctangent of the angle',
type:'angle'
}
},
':pickfrom':{run:function(listname) {
var thelist=globalEnv.lists[':'+listname];
return thelist.data[thelist.index++%thelist.data.length];
},
help:'Picks an item from a predefined list. Wraps around after the last item',
shorthelp:'Picks an item from a predefied list',
params:{
name:{
help:'The list formerly defined using "setlist" command',
type:'varname'
}
},
returns:{
help:'the next item in the list',
type:'any'
}
},
/* simple arithmetic */
':add':{run:function(num1,num2) {
return (num1+num2);
},
help:'Adds two numbers',
shorthelp:'Adds two number',
params:{
num1:{
help:'(augend) first number',
type:'float'
},
num2:{
help:'(addend) second number',
type:'float'
}
},
returns:{
help:'the sum of the two numbers',
type:'float'
}
},
':sub':{run:function(num1,num2) {
return (num1-num2);
},
help:'Adds two numbers',
shorthelp:'Adds two number',
params:{
num1:{
help:'(subtrahend) first number',
type:'float'
},
num2:{
help:'(minuend) second number',
type:'float'
}
},
returns:{
help:'the different of the two numbers',
type:'float'
}
},
':mul':{run:function(num1,num2) {
return (num1*num2);
},
help:'Adds two numbers',
shorthelp:'Adds two number',
params:{
num1:{
help:'(multiplicand) first number',
type:'float'
},
num2:{
help:'(multiplier) second number',
type:'float'
}
},
returns:{
help:'the product of the two numbers',
type:'float'
}
},
':div':{run:function(num1,num2) {
return (num1/num2);
},
help:'Adds two numbers',
shorthelp:'Adds two number',
params:{
num1:{
help:'(dividend) first number',
type:'float'
},
num2:{
help:'(divisor) second number',
type:'float'
}
},
returns:{
help:'the quotient of the two numbers',
type:'float'
}
},
':mod':{run:function(num1,num2) {
return (num1%num2);
},
help:'Adds two numbers',
shorthelp:'Adds two number',
params:{
num1:{
help:'(dividend) first number',
type:'float'
},
num2:{
help:'(divisor) second number',
type:'float'
}
},
returns:{
help:'the remainder (mudolus) after the division',
type:'float'
}
},
/* color functions */
':rgb':{run:function(red, green, blue) {
return ('rgb('+ red + ',' + green + ','+ blue + ')');
},
help:'Returns a css representation of the color formed from red green and blue specified, mostly usefull with the "color" command. Usefull for generating the representation from values derived computationaly',
shorthelp:'css representation of the color from red, green and blue values',
params:{
red:{
help:'The red component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
green:{
help:'The green component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
blue:{
help:'The blue component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
},
returns:{
help:'the css representation',
type:'color'
}
},
':rgba':{run:function(red, green, blue, alpha) {
return ('rgb('+ red + ',' + green + ',' + blue + ','+ alpha + ')');
},
help:'Returns a css representation of the color formed from red, green, blue and alpha values, mostly usefull with the "color" command. Usefull for generating the representation from values derived computationaly',
shorthelp:'css representation of the color from red, green, blue and alpha values',
params:{
red:{
help:'The red component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
green:{
help:'The green component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
blue:{
help:'The blue component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
alpha:{
help:'The alpha component of the color',
type:'float',
parseropts:{min:0,max:1}
}
},
returns:{
help:'the css representation',
type:'color'
}
},
':hsl':{run:function(hue,saturation, luminosity) {
return ('hsl('+ hue + ',' + saturation + ','+ luminosity + ')');
},
help:'Returns a css representation of the color formed from hue, saturation and luminosity values, mostly usefull with the "color" command. Usefull for generating the representation from values derived computationaly',
shorthelp:'css representation of the color from hue, saturation and luminosity values',
params:{
hue:{
help:'The hue component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
saturation:{
help:'The saturation component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
luminosity:{
help:'The luminosity component of the color',
type:'integer',
parseropts:{min:0,max:255}
}
},
returns:{
help:'the css representation',
type:'color'
}
},
':hsla':{run:function(hue, saturation, luminosity, alpha) {
return ('hsla('+ hue + ',' + saturation + ',' + luminosity + ',' + alpha + ')');
},
help:'Returns a css representation of the color formed from hue, saturation and luminosity values, mostly usefull with the "color" command. Usefull for generating the representation from values derived computationaly',
shorthelp:'css representation of the color from hue, saturation and luminosity values',
params:{
hue:{
help:'The hue component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
saturation:{
help:'The saturation component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
luminosity:{
help:'The luminosity component of the color',
type:'integer',
parseropts:{min:0,max:255}
},
alpha:{
help:'The alpha component of the color',
type:'float',
parseropts:{min:0,max:1}
},
},
returns:{
help:'the css representation',
type:'string'
}
},
/* play with number and their formats */
':rnd':{run:function() {
return (Math.random());
},
help:'returns a random number between 0 and 1',
shorthelp:'returns a random number between 0 and 1',
returns:{
help:'the random number',
type:'float'
}
},
':abs':{run:Math.abs,
help:'Adds two numbers',
shorthelp:'Adds two number',
params:{
num1:{
help:'first number',
type:'float'
},
num2:{
help:'second number',
type:'float'
}
},
returns:{
help:'the sum of the two numbers',
type:'float'
}
},
':ceil':{run:Math.ceil,
help:'returns the ceiling of the given float. (Integer next to the float, unless itself an integer)',
shorthelp:'returns the ceiling of the given float',
params:{
float:{
help:'a floating point number',
type:'float'
}
},
returns:{
help:'the ceil of the number',
type:'integer'
}
},
':floor':{run: Math.floor,
help:'returns the floor of the given float. (Integer previous to the float, unless itself an integer)',
shorthelp:'returns the floor of the given float',
params:{
float:{
help:'a floating point number',
type:'float',
}
},
returns:{
help:'the floor of the number',
type:'integer'
}
},
':round':{run: Math.round,
help:'returns the rounded integer of the given float. (Integer nearest to the float)',
shorthelp:'returns the round integer of the given float',
params:{
float:{
help:'a floating point number',
type:'float'
}
},
returns:{
help:'the floor of the number',
type:'integer'
}
},
/* pen functions */
':curX':{run:function() {
return (pen.x);
},
help: 'returns the current x coordinate of the pen. Remember: origin is at the top-left',
shorthelp: 'returns the current x coordinate of the pen',
params:{},
returns:{
help:'the current x coordinate of the pen',
type: 'float',
}
},
':curY':{run:function() {
return (pen.y);
},
help: 'returns the current y coordinate of the pen. Remember: origin is at the top-left',
shorthelp: 'returns the current y coordinate of the pen',
params:{},
returns:{
help:'the current y coordinate of the pen',
type: 'float',
}
},
':curColor':{run:function() {
return (pen.color);
},
help: 'returns the current color of the pen',
shorthelp: 'returns the current color of the pen',
params:{},
returns:{
help:'the current color of the pen',
type: 'color',
}
},
':curFillColor':{run:function() {
return (pen.fillcolor);
},
help: 'returns the current fillcolor of the pen',
shorthelp: 'returns the current fillcolor of the pen',
params:{},
returns:{
help:'the current fillcolor of the pen',
type: 'color',
}
},
':curWidth':{run:function() {
return (pen.width);
},
help: 'returns the current width of the pen',
shorthelp: 'returns the current width of the pen',
params:{},
returns:{
help:'the current width of the pen',
type: 'float',
}
},
':curAngle':{run:function() {
return (pen.angle);
},
help: 'returns the current angle of the pen',
shorthelp: 'returns the current angle of the pen',
params:{},
returns:{
help:'the current angle of the pen',
type: 'float',
}
},
/* commands */
':pendown':{run: function(){
pen.down=true;
},
'help':'Make the pen touch the paper. The commands "fwd" and "back" will henceforth make the items draw.',
'shorthelp':'Make the pen touch the paper.',
'params':{}
},
':penup':{run: function(){
pen.down=false;
},
'help':'Make the pen not touch the paper. The commands "fwd" and "back" will henceforth only make the pen move.',
'shorthelp':'Make the pen not touch the paper.',
'params':{}
},
':angle':{run: function(angle) {
pen.angle=angle%360;
},
'help':'Sets the angle in which to move the pen',
'shorthelp':'Sets the angle in which to move the pen',
'params':{
'angle':{help: 'The angle in degrees ',type:'angle'},
}
},
':width':{run: function(width) {
pen.width=width;
},
'help':'Sets the linewidth of the pen',
'shorthelp':'Sets the linewidth of the pen',
'params':{
'width':{help: 'width in pixels',type:'pixels'},
}
},
':right':{run: function(angle) {
pen.angle+=angle;
pen.angle%=360;
},
'help':'Offsets the angle to the right in which to move the pen',
'shorthelp':'Offsets the angle to the right in which to move the pen',
'params':{
'angle':{help: 'The angle in degrees ',type:'angle'}
}
},
':left':{run: function(angle) {
pen.angle-=angle;
pen.angle%=360;
},
'help':'Offsets the angle to the left in which to move the pen',
'shorthelp':'Offsets the angle to the left in which to move the pen',
'params':{'angle': {help:'The angle in degrees',type:'angle'}}
},
':fwd':{run: function(distance) {
if (pen.down){
cx.beginPath();
cx.moveTo(getNum(pen.x), getNum(pen.y));
cx.strokeStyle = pen.color;
cx.lineWidth = pen.width;
pen.x = getNum(pen.x) + getNum(Math.cos(pen.angle*piBy180) * distance);
pen.y = getNum(pen.y) + getNum(Math.sin(pen.angle*piBy180) * distance);
cx.lineTo(getNum(pen.x), getNum(pen.y));
cx.closePath();
cx.stroke();
} else {
pen.x = getNum(pen.x) + getNum(Math.cos(pen.angle*piBy180) * distance);
pen.y = getNum(pen.y) + getNum(Math.sin(pen.angle*piBy180) * distance);
cx.moveTo(pen.x, pen.y);
}
},
'shorthelp':'Moves the pen forward by n pixels',
'help':'Moves the pen forward n pixels in the angle of the pen',
'params':{'distance':{help: 'The distance in pixel by which to move the pen from its current position',type:'pixels'}}
},
':back':{run: function(distance){knowledge.commands[':fwd'].run(-distance)},
'shorthelp':'Moves the pen backward by n pixels',
'help':'Moves the pen backward n pixels in the angle of the pen from its currnet position',
'params':{
'distance': {
help: 'The distance in pixel by which to move the pen from its current position',
type:'pixels'
}
}
},
':goto':{run: function(distanceX,distanceY) {
pen.x = distanceX;
pen.y = distanceY;
cx.moveTo(pen.x,pen.y);
},
'shorthelp':'Moves the pen to the given posisiton without drawing anything',
'help':'Moves the pen to the given position without drawing anything',
'params':{'distanceX': {help:'X part of the co ordinate. Remember: the origin is at top-left ',type:'pixels'},
'distanceY': {help:'Y part of the co ordinate',type:'pixels'}
}
},
':info':{run: function() {
logIt('<b>Pen:</b> '+JSON.stringify(pen));
//logIt('<b>Variables:</b>'+JSON.stringify(vars));
//logIt('<b>:</b>'+JSON.stringify(lists));
saveLast=false;
},
'shorthelp':'Prints different properties of the pen and environment',
'help':'Prints different properties of the pen such as angle, current position, color. Also lists the variables and lists',
'params':{}
},
':color':{run: function(color) {
pen.color = color;
},
'help':'Sets the ink color of the current pen',
'shorthelp':'Sets the ink color of the current pen',
'params':{
'color': {
help: 'the color name to set the color of the ink to. It can be any color that is accepted by css as color. Generally includes many common colors.',
type:'color'
}
}
},
':fillcolor':{run: function(fillcolor) {
pen.fillcolor = fillcolor;
},
'help':'Sets the fillcolor of the current pen',
'shorthelp':'Sets the fillcolor of the current pen',
'params':{
'fillcolor': {
help: 'the color name to set the fillcolor of the ink to. It can be any color that is accepted by css as color. Generally includes many common colors.',
type: 'color'
}
}
},
':rect':{run: function(x, y, width, height) {
cx.strokeStyle = pen.color;
cx.strokeRect(x ,y, width, height);
},
'shorthelp':'Draws an unfilled rectangle at given co-ordinates with given dimensions',
'help':'Draws a rectangle at the given co-ordinates (x ,y) with given dimensions(width, height) with the color set with "color" command.',
'params':{
'x':{
help: 'X co-ordinate in pixels. Remember : origin is at top left',
type: 'pixels'
},
'y':{
help: 'Y co-ordinate in pixels. Remember : origin is at top left',
type: 'pixels'
},
'width':{
help: 'width in pixels.',
type: 'pixels'
},
'height':{
help: 'height in pixels.',
type: 'pixels'
}
}
},
':fillrect':{run: function(x, y, width, height) {
cx.fillStyle = pen.fillcolor;
cx.fillRect(x ,y, width, height);
},
'shorthelp':'Draws a filled rectangle at given co-ordinates with given dimensions',
'help':'Draws a rectangle at the given co-ordinates (x ,y) with given dimensions(width, height) filled with the color set with "fillcolor" command.',
'params':{
'x':{
help: 'X co-ordinate in pixels. Remember : origin is at top left',
type: 'pixels'
},
'y':{
help: 'Y co-ordinate in pixels. Remember : origin is at top left',
type: 'pixels'
},
'width':{
help: 'width in pixels.',
type: 'pixels'
},
'height':{
help: 'height in pixels.',
type: 'pixels'
}
}
},
':clear':{run: function() {
var oldFillStyle=cx.fillStyle;
cx.fillStyle='white';
cx.fillRect(0,0,c.width,c.height);
cx.fillStyle=oldFillStyle;
},
'help':'clears the screen',
'shorthelp':'clears the screen',
'params':{}
},
':rpt': {run: function(times,commands) {
var rptEnv ;
commands = commands.slice();
rptEnv = newEnvironment(commands,this);
rptEnv.curCtr= 0;
rptEnv.times= times;
commands.push({
call:{
run:function(){
this.curCtr=this.curCtr+1;
if (this.curCtr<this.times){
this.codePtr=0;
}
}.bind(rptEnv)
},
params:[]
});
callCommands(commands, rptEnv);
},
'help':'Repeat the set of commands following, bounded by endrpt',
'shorthelp':'Repeat the set of commands following, bounded by endrpt',
'params':{
times:{
help:'The number of times to repeat the steps',
type:'integer'
},
commands:{
help:'the set of instructions to repeat',
type:'codeblock',
parseropts:{
blockstart:'rpt',
blockend:'endrpt',
blockstarted:true
}
}
}
},
':save':{run: function(slotname){
var currentlist=JSON.parse(localStorage.getItem('logoish_saved'));
if (currentlist == null) currentlist=[];
if (currentlist.indexOf(slotname) == -1){
localStorage.setItem('logoish_saved_' + slotname,last_run_command);
currentlist.push(slotname);
localStorage.setItem('logoish_saved',JSON.stringify(currentlist));
logIt('saved');
} else {
logIt('ERROR: name already taken');
}
saveLast=false;
},
'help':'Saves the last command to given slot',
'shorthelp':'Saves the last command to the given slot',
'params':{'slotname':{
help: 'The alphanumeric name of the slot to save. No overwriting allowed.',
type:'stringasis'
}
}
},
':show':{run: function(slotname){
var currentlist=JSON.parse(localStorage.getItem('logoish_saved'));
try{
currentlist;
}catch(ReferenceError){
currentlist=[];
}
if (currentlist.indexOf(slotname) != -1){
i.value=(localStorage.getItem('logoish_saved_' + slotname));
} else {
logIt('ERROR: No such item saved');
}
saveLast=false;
},
dontclear:true,
'shorthelp':'Load and show a saved commmand',
'help':'Retrieve and populate the command prompt with a saved command, ready to be executed',
'params':{
'slotname':{
help: 'The name of the slot to show the command from',
type:'stringasis'
}
}
},
':last':{run: function(){
i.value=last_run_command;
saveLast=false;
},
dontclear:true,
params:{}
},
':delete': {run: function(slotname){
var currentlist=JSON.parse(localStorage.getItem('logoish_saved'));
if (currentlist == null) currentlist=[];
if (currentlist.indexOf(slotname) != -1){
localStorage.removeItem('logoish_saved_' + slotname);
} else {
logIt('ERROR: No such item saved');
}
saveLast=false;
},
'shorthelp':'Deletes the command from the given slot',
'help':'Deletes the command from the given slot',
'params':{
'slotname':{
help: 'The alphanumeric name of the slot to delete',
type:'stringasis'
}
}
},
':saved': {run: function(){
logIt(JSON.parse(localStorage.getItem('logoish_saved')));
saveLast=false;
},
'shorthelp':'List the name of saved command slots',
'help':'Lists the name of saved command slots',
'params':{}
},
':set':{run: function(varname,value){
var variablename=':'+varname;
if (knowledge.commands.hasOwnProperty(variablename))
logIt(varname + ' is a function. ERROR Cannot use it as a variable');
getEnvForVarSet(variablename,this).vars[variablename]=value;
},
'help':'sets the value of a variable to the given value',
'shorthelp':'sets the value of a variable',
'params':{
'varname':{
help: 'The alphanumeric name of the variable to set. Overwriting allowed. Note: cannot use function names as variables',
type:'varname' },
'value':{
help: 'The value to set.',
type:'any'
}
}
},
':incr':{run: function(varname, value){
var variablename=':'+varname;
var varenv;
if (knowledge.commands.hasOwnProperty(variablename)) logIt(varname + ' is a function. ERROR Cannot use it as a variable');
varenv=getEnvForVarSet(variablename,this);
varenv.vars[variablename]= getFloat(varenv.vars[variablename]) + value;
},
'help':'increases the value of a variable by given value',
'shorthelp':'increases the value of a variable by given value',
'params':{
'varname':{
help: 'The alphanumeric name of the variable to increase. Note: cannot use function names as variables',
type:'varname' },
'value':{
help: 'The value to increase by.',
type:'float'
}
}
},
':decr':{run: function(varname, value){
var variablename=':'+varname;
if (knowledge.commands.hasOwnProperty(':'+varname)) logIt(varname + ' is a function. ERROR Cannot use it as a variable');
varenv=getEnvForVarSet(variablename,this);
varenv.vars[variablename]= parseFloat(varenv.vars[variablename]) - value;
},
'help':'decreases the value of a variable by given value',
'shorthelp':'decreases the value of a variable by given value',
'params':{
'varname':{help: 'The alphanumeric name of the variable to decrease. Note: cannot use function names as variables', type:'varname'},
'value':{help: 'The value to decrease by.', type:'any' }
}
},
':setlist':{run: function(listname,list){
var list_name=':'+listname;
if (knowledge.commands.hasOwnProperty(list_name)) logIt(list_name + ' is a function. ERROR Cannot use it as a listname');
if (getEnvForVarGet(list_name,this)) logIt(listname + ' is a function. ERROR Cannot use it as a listname');
getEnvForListSet(list_name,this).lists[list_name]={data:list, index:0};
},
'help':'Creates a list of items. Use the "pickfrom" function.',
'shorthelp':'Creates a list of items',
'params':{
'listname':{
help: 'The alphanumeric name of the list to set. Overwriting allowed. Note: cannot use function names as variables',
type:'varname'
},
'list':{
help: 'list of items followed by endlist',
type:'block',
parseropts:{
blockstart:'setlist',
blockend:'endlist',
bloclstarted:true
}
}
}
},
':anim':{run: function(times,delay,commandblock){
var animEnv ;
animEnv = newEnvironment(commandblock,this);
animEnv.animating = false;
animEnv.counter = 0;
var animslice = function (){
if (animEnv.counter < times){
if (!animEnv.paused && !animEnv.stopped){
if (!animEnv.animating){
animEnv.animating = true;
animEnv.codePtr = 0;
callCommands(commandblock, animEnv);
animEnv.counter++;
animEnv.animating = false;
}
setTimeout(animslice, delay);
}
} else {
//callCommands(animEnv.parentEnv.commandarray, animEnv.parentEnv);
unpause(animEnv.parentEnv);
}
};
animslice();
},
'help':'Animates the commands till "endanim" optionally seperated by "nextanim"',
'shorthelp':'Animates the commands till "endanim". You cannot currently have more than one animation block. But you can do multiple animations in the same block. Just use "nextanim" followed by times and delay parameter to mark the seperation. To get a clearer idea, look at the examples',
'params':{
'times':{
help: 'the number of times to animate',
type:'integer'
},
'delay':{
help: 'the delay between frames in milliseconds',
type:'milliseconds'
},
'commandblock':{
help: 'the set of instructions to repeat for each frame',
type:'codeblock',
parseropts:{
blockstart:'anim',
blockend:'endanim',
blockstarted:true
}
}
},
needsPause:true
},
':resetlist':{run: function(varname){
if (getEnvForVarGet(':'+varname)) logIt(varname + ' is not a list Cannot reset');
if (knowledge.commands.hasOwnProperty(':'+varname)) logIt(varname + ' is not a list Cannot reset');
if (!getEnvForListget(':'+varname)) logIt(varname + ' is not a list. Cannot reset');
globalEnv.lists[':'+ varname].index=0;
},
'help':'Resets the index of the list back to the first item in the list',
'shorthelp':'Resets the index of the list back to the first item in the list',
'params':{
'varname':{help: 'The alphanumeric name of the list whose index is to be reset.',type:'varname'},
}
},
':evaldisp':{run: function(expression){
logIt(expression);
},
shorthelp: 'evaluate and display the result of the function call or variable that follows',
help: 'evaluate and display the result of the function call or variable that follows',
params:{
'expression':{
help:'can be any kind of expression that results in a value',
type:'any'
}
}
},
':listexamples':{run: function(){
logIt(Object.keys(examples).map(function(x){return x.split(':')[1]}));
},
shorthelp:'Show a list of examples.',
help:'Show a list of examples. Use the showexample command to use individual examples',
params:{},
},
':showexample':{run: function(slotname){
var name='example:'+slotname;
if (Object.keys(examples).indexOf(name) != -1){
i.value=examples[name];
} else {
logIt('ERROR: No such example');
}
saveLast=false;
},
dontclear:true,
'shorthelp':'Show an inbuilt example',
'help':'Retrieve and populate the command prompt with a saved example, ready to be executed',
'params':{
'slotname':{
help:'The name of the example to show',
type:'stringasis'
}
}
},
':comment':{run: function(comment){
//gulp!
},