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Writing Joystick Code: Part 3: Difference between revisions
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To toggle the Parking brake, use this. Entire code-block shown. Non-repeatable button. (You have to specifically set <repeatable> to true | To toggle the Parking brake, use this. Entire code-block shown. Non-repeatable button. | ||
(You have to specifically set <repeatable> to true if you want repeatable. It is assumed to be false. | |||
<syntaxhighlight lang="xml"> | <syntaxhighlight lang="xml"> | ||
<button n="1"> | <button n="1"> | ||
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</button> | </button> | ||
</syntaxhighlight> | </syntaxhighlight> | ||
This method can be used to toggle any property that is on/off. Use Debug - Browse Internal Properties to find suitable candidates. | This method can be used to toggle any property that is on/off. | ||
Use Debug - Browse Internal Properties to find suitable candidates. | |||
Also see getProp, setProp and setAll below. | Also see getProp, setProp and setAll below. | ||
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<step type="double">-2.0</step> | <step type="double">-2.0</step> | ||
</binding> | </binding> | ||
This will | This will continuously reduce /sim/current-view/goal-pitch-offset-deg in steps of 2 while the button is held in. | ||
== Advanced Programming == | == Advanced Programming == | ||
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We write then as {, and endif as }. | We write then as {, and endif as }. | ||
And each "action" is terminated by a semicolon | And each "action" is terminated by a semicolon ; | ||
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In English our code would be | In English our code would be | ||
If (x < 5) then (x = x + 2) else if (x < 10) then (x = x + 1). If none of these are true then (x = x + 7). End of if clause. | If (x < 5) then (x = x + 2) else if (x < 10) then (x = x + 1). | ||
If none of these are true then (x = x + 7). End of if clause. | |||
We test for x < 5 first. If it fails we test for x < 10. If x , 5 succeeds we do (x = x + 2) and then move on past the end of if clause. | We test for x < 5 first. If it fails we test for x < 10. If x , 5 succeeds we do (x = x + 2) and then move on past the end of if clause. | ||