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RobertElderSoftware · 11.1K views · 683 likes Short
Analysis Summary
Ask yourself: “Did I notice what this video wanted from me, and did I decide freely to say yes?”
Worth Noting
Positive elements
- This video provides a concise, accurate breakdown of octal escape sequences and coordinate systems in terminal programming.
Influence Dimensions
How are these scored?About this analysis
Knowing about these techniques makes them visible, not powerless. The ones that work best on you are the ones that match beliefs you already hold.
This analysis is a tool for your own thinking — what you do with it is up to you.
Transcript
How does the terminal block mining game move the cursor to any position on the screen? This is done using an escape sequence to set the cursor position. For example, if you run this echo statement in the terminal, the cursor position will be moved to row 10, column 60, and any text that you type will be printed at this location instead. The back/033 is an octal escape sequence that represents an escape character. The opening left square bracket character indicates a control sequence introducer. In this example, the number 10 indicates the row or line number where you want to move the cursor to, and the number 60 indicates the column number, which you might also call the x-axis. The escape sequence concludes with a capital H character to indicate a cursor position movement command. When thinking in coordinates, note that the order of the values is specified according to y-axis first, followed by x-axis, which is the reverse of the order that you typically use to specify coordinates. The values themselves also use one-based indexing, not zerobased. So, be careful of off by one errors. Here's an example that uses cursor position requests to print a multiplication table with a column spacing of four and a line spacing of
Video description
Become A Channel Member: https://www.youtube.com/channel/UCOmCxjmeQrkB5GmCEssbvxg/join Terminal Block Mining Simulation Game: https://github.com/RobertElderSoftware/robert-elder-software-java-modules