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beyond:pangoscript
This is an old revision of the document!
Table of Contents
~~DRAFT~~
PangoScript
The main purpose of “scripting” is ability to add custom relation on various events, like a MIDI, DMX, ArtNet, Channels. The script typically has a few lines, and a line has one Command. Command may have a parameters. Typically parameter is a number (constant).
Numbers
Supported float point , integer and hexadecimal numbers. Example:
- 100
- -20
- 1.01
- 0xBF
All hexadecimal numbers much have 0x prefix, similar to C language, but without ending H.
There is not strict separation on integer and float point numbers.
Separator between command parameter could be space (“ ”) or a comma (“,”)
Special characters (separators)
. ; ' : ! � ^ + - * \ [ ] ( ) { } ? % | & =
Predefined constants
There are a few constants mostly for readability of the code. Each constant will be transformed to a number
- TRUE - numeric analog 1
- FALSE - numeric analog 0
- ANY - equal to numeric -1. Used in a few WaitFor command
- OFF - equal to numeric 0
- ON - equal to numeric 1
- TOGGLE - equal to numeric 2
- AsIs - equal to -2.
This is required for commands like “MasterPause”.
A few examples of using commands:
VirtualLJ off
MasterPause Toggle
WaitForMidi 0x90, 10, Any
Math operations (expressions)
- Standard : + - / * %
- Inversion : !
- bit OR : |
- bit AND : &
- bit XOR : ^
- bit right shift : »
- |bit left shift : «
Operators
IF
Syntax: if (expression) operator
expression - covered with brackets. Must be an expression with numerical result that gives “0” or not a “0”. So, for numerical variable it's possible to write
if (variable)
Compare operators are: >, >=, <, ⇐, =, <>. They produces numerical result 0 or 1.
You can combine comparing operations with “&” and “|” bit-wise operators (but be sure that left and right side are 0 or 1). It's recommended to cover complex operations into brackets - like
if ((1>2) & ((3+2)>1))
operator will be executed if condition gets non-zero result. If you want to place other operator after
if (condition) operator
it must be divided with ; but it's better to place next operator on the next line.
GOTO
Syntax: goto label
“label” is a name of position for a jump. The label can be placed before any operator and separated by : character. Example:
mylabel: WaitForBeat 4 ... do something... goto mylabel
Operator GOTO can work with the labels inside the string variables. It means that you declare string variable, assign a label name to variable, and then you a variable in GOTO. Example:
var s s="mylabel" goto s DisplayPopup "It does not work" exit mylabel: DisplayPopup "It works"
VAR
PangoScript allow define local variables. The lifetime for the local variable defined by lifetime of the Scripter that execute PangoScript. As soon as the Scripter freed, all its local variables are removed as well.
All variables must be declared before the using. No need to specify the type of variable. The variable automatically adjust the type depending on value. Internally supported integer, float and string variables. The declaration start from VAR operation and the follow one or more variable names. As example:
var MyVariable var a,b,c
Before using the variable must be initialized by some value. Otherwise BEYOND will generate error and stop script execution. Example:
var MyInteger, MyString MyInteger = 10 MyString = "Hello!"
All variables declared as VAR are local.
GLOBALVAR
A variable can be declared as global. In this case, it visible in ALL scripts of BEYOND.
globalvar s s="mylabel" goto s DisplayPopup "It does not work" exit mylabel: DisplayPopup "It works"
General functions
| Function | description | value |
|---|---|---|
| intstr(value:number):string | transform number to string | number or a float number |
| floatstr(value:number):string | transform number to string | number |
| abs(value:number):number | value by modulus | integer or float number |
| int(value:number):integer | return integer part of float value | a float point number |
| frac(value:number):float | return fractional part of float point value | a float point number |
| round(value:float):integer | return rounded float point value (to integer) | a float point number |
| sqr(value:number):number | return a square of argument | a float point number or integer |
| sqrt(value:number):float | return a square root of argument | a float point number or integer |
| cos(value:float):float | co-sinus | a float point number or integer. angle in radians |
| sin(value: float):float | sinus | a float point number or integer. angle in radians |
| tan(value:float):float | tangents | a float point number or integer. angle in radians |
| arcsin(value:float)float | arc sinus | a float point number or integer. angle in radians |
| arccos(value: float):float | arc cosinus | a float point number or integer. angle in radians |
| arctan(value: float):float | arc tangents | a float point number or integer. angle in radians |
| arctan2(dx, dy:float):float | arc tangents | dx, dy - …. |
| min(a,b:number):number | return a minimum of two numeric values | a,b float or integer |
| max(a,b:number):number | return a maximum of two numeric values | a,b float or integer |
| pi:float | return PI value | 3.1415926… |
| invert(value:number):integer | invert value. Boolean operation, but can be used with float point numbers | If value more than 0.5 then function return 0, otherwise return 1. |
Date and Time
| Function | description |
|---|---|
| now:float | date&time, calls now() function of Delphi |
| tickcount:integer | return number of millisecond from start of PC. |
| hms(hour, minute, second):integer | transform hour, minute and second into seconds. |
| GetYear:integer | function return current year by PC clock. Result |
| GetMonth:integer | function return current month by PC clock |
| GetDay:integer | function return current day by PC clock. |
| timestr(now:float):string | now is variable representing time. Function return string with time in short format such as “11:53”, without seconds |
| timestrlong(now:float):string | now is variable representing time. Function return string with hours, minutes, seconds, such as “11:53:10” |
| datestr(now:float):string | �������� ������ ����, � ��� ��� - now is variable representing date. Function return string short date format such as “21.11.2012” |
| datestrlong(now:float):string | ������� ������ ����, ���� - now is variable representing date. Function return string long date format such as “21 ������ 2012 �.” |
| dayofweek(now:float):string | short version day of the week |
| dayofweeklong(now:float):string | long version day of the week |
String functions
| Function | description |
|---|---|
| uppercase(string):string | transform input string to upper case. Result is a string. |
| lowercase(string:string):string | transform input string to lower case. Result is a string. |
| crlf:string | return a string, line separator (13,10) |
Clock And Metronome
| Function | description |
|---|---|
| b2s(beats) | transform beats to seconds |
| b2ms(beats) | transform beats to milliseconds |
| s2b(seconds) | transform seconds to beats |
| b2s(seconds) | transform beats to seconds |
More to come
beyond/pangoscript.1590589020.txt · Last modified: 2020/06/11 19:23 (external edit)
