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    • About TRIK Studio
      • How to find out the version of TRIK Studio
    • Getting started and creating a project
    • TRIK Studio interface
      • TRIK Studio main menu
      • Working with graphs
      • How to open robot settings
      • How to change TRIK Studio interface language
    • TRIK Studio settings
    • 2D model
      • 2D model tuning
      • Adding restrictions to the 2D Model
        • Restrictions setting examples
    • Visual programming
      • Adding and removing blocks
      • Common blocks
      • Links between blocks
      • Syntax of expressions in the blocks
        • TRIK Studio language types
          • Array
        • TRIK Studio language tokens
        • TRIK Studio language operators
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      • PuTTY
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      • Avast antivirus blocks TRIK Studio. What to do?
  • TRIK Studio Junior
    • About TRIK Studio Junior
      • How to find out the version of TRIK Studio Junior
    • Getting started and creating a project in TRIK Studio Junior
    • TRIK Studio Junior interface
      • How do I replace the "Character movement" image?
    • TRIK Studio Junior settings
    • Visual programming in TRIK Studio Junior
      • Adding and removing blocks in TRIK Studio Junior
      • Blocks in TRIK Studio Junior
      • Links between blocks in TRIK Studio Junior
      • Syntax of expressions in the blocks in TRIK Studio Junior
      • Property editing in TRIK Studio Junior
      • Subprograms in TRIK Studio Junior
    • Exercises in TRIK Studio Junior
  • INTEGRATIONS
    • PyCharm
      • Running a 2D model in TRIK Studio from PyCharm
    • Sublime Text
      • Running a 2D model in TRIK Studio from Sublime Text
      • Uploading programs to several TRIK robots from Sublime Text
    • VSCode
      • Running a 2D model in TRIK Studio from VSCode
      • Uploading programs to several TRIK robots from VSCode
  • TRIK controller
    • About the TRIK controller
      • Screenshot of the TRIK controller screen
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      • How to find out the firmware version of the TRIK controller?
    • TRIK controller menu
    • Connecting to the TRIK controller via Wi-Fi
      • Connecting the TRIK controller to a computer and smartphone
      • Connecting the TRIK controller to TRIK Studio
      • Interaction of TRIK controllers
        • An example of solving a problem on the interaction of two robots
    • Connecting to the TRIK controller using UART
    • Launching and uploading programs to the TRIK controller
    • Programming TRIK with the visual programming language
      • TRIK specific blocks
      • Sensory variables for the TRIK controller
    • TRIK controller programming in Python and JavaScript
      • Object «brick»
        • Class «accelerometer»
        • Class «battery»
        • Class «colorSensor»
        • Class «display»
        • Class «encoder»
        • Class «gyroscope»
        • Class «keys»
        • Class «led»
        • Class «lineSensor»
        • Class «motor»
        • Class «objectSensor»
        • Class «sensor»
      • Object «script»
      • Object «mailbox»
      • Object «gamepad»
      • Object «Threading»
      • Function getPhoto
      • Function include
    • TRIK controller web interface
    • Connecting devices to TRIK and working with them
      • Connecting and working with the video module
      • Testing devices connected to the TRIK controller
      • Configuring the operation of a USB camera with a TRIK controller
      • Capturing images with TRIK camera and using them in TRIK Studio
      • Working with battery and charger
  • LEGO EV3 Controller
    • About LEGO EV3
    • Connecting a LEGO EV3 Controller to TRIK Studio
    • LEGO EV3 specific blocks
    • Sensory Variables for the LEGO EV3 Controller
    • Launching and uploading programs to the LEGO EV3
  • LEGO NXT Controller
    • About LEGO NXT
    • LEGO NXT Controller Firmware
    • Connecting a LEGO NXT Controller to TRIK Studio
    • LEGO NXT specific blocks
    • Sensory Variables for the LEGO NXT Controller
    • LEGO NXT C Programming
    • Launching and uploading programs to the LEGO NXT
  • Quadcopter Geoscan Pioneer
    • About quadcopter Geoscan Pioneer
    • Geoscan Pioneer specific blocks
  • TRIK Gamepad
    • About TRIK Gamepad
      • TRIK Gamepad App
      • TRIK Gamepad Utility
    • Robot control from the remote control
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    • Actions in case of TRIK Studio or TRIK controller malfunction
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  • TRIK Studio language
  • Examples of expressions

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  1. TRIK Studio
  2. Visual programming

Syntax of expressions in the blocks

PreviousLinks between blocksNextTRIK Studio language types

Last updated 4 years ago

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To declare variables and set certain values ​​for them, the “” block is used.

For mathematical expressions — "" block.

Also, mathematical expressions, including those that change the values ​​of variables, can be used almost everywhere where you can specify a value.

All variables in the program are global, i.e. their values ​​can be used in any block in the program.

TRIK Studio language

Examples of expressions

Proportional controller for driving along the line using two light sensors for the TRIK platform:

Blocks and their properties that do not allow the use of mathematical expressions are described in the section .

The language used inside the blocks is based on and largely follows its syntax. Nevertheless, there are significant differences, so a full description of the language used in TRIK Studio is given here.

Declaration of several variables in one block "":

The same using blocks:

An example of using to set the ports of the “Motors forward” block. An array is created with the name a, the port M3 is assigned to the zero element, the first is M1, then the contents of the first element of the array are changed to M4, then the resulting array is transferred to the “Ports” property of the “Motors forward” block:

Lua 5.3
Types
Tokens
Operators
Sensor variables
Constants
Built-in functions
arrays
"Common blocks"
Expression
"Variables Initialization"
Variable Initialization
Expression
"Variable Initialization" block
"Expression" block