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Angle
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[[category:variables]] | [[category:variables]] | ||
+ | [[category:predefined]] | ||
[[category:local variables]] | [[category:local variables]] | ||
+ | |||
+ | [[Local variables|'''Up to Local Variables''']] | ||
+ | |||
+ | ---- | ||
+ | |||
== Definition == | == Definition == | ||
- | '''INT''' angle | + | '''INT''' angle = 0 |
- | Angle is a predefined [[local variable]] which holds the angle (measured in 1/1000 of a degree) at which the [[graphic]] of that [[process]] (assigned by the [[graph]] [[ | + | '''Angle''' is a predefined [[local variable]] which holds the angle (measured in 1/1000 of a degree) at which the [[graphic]] of that [[process]] (assigned by the local variable [[graph]]) will be drawn. It also influences the result of the [[function]] [[advance]](). |
+ | |||
+ | An angle of 0 means to the right, 90000 means up, 180000 means left and 270000 and -90000 mean down. | ||
== Example == | == Example == | ||
To make the graphic of a process spin: | To make the graphic of a process spin: | ||
<pre> | <pre> | ||
- | + | Program spinning_graphic; | |
Begin | Begin | ||
- | graph = | + | graph = new_map(100,100,8); //Create a cyan square and assign it to 'graph' |
- | x = | + | map_clear(0,graph,rgb(0,255,255)); |
- | y = 100; // | + | x = 160; //Position the graphic's center |
+ | y = 100; //in the center of the screen | ||
Loop | Loop | ||
angle += 1000; //increase the angle of graphic by 1000 each frame. 1000 = 1 degree. | angle += 1000; //increase the angle of graphic by 1000 each frame. 1000 = 1 degree. | ||
Line 21: | Line 30: | ||
End | End | ||
</pre> | </pre> | ||
- | This process will spin the | + | This process will spin the cyan square by 1 degree each frame. |
+ | |||
+ | {{Locals}} |
Current revision
[edit] Definition
INT angle = 0
Angle is a predefined local variable which holds the angle (measured in 1/1000 of a degree) at which the graphic of that process (assigned by the local variable graph) will be drawn. It also influences the result of the function advance().
An angle of 0 means to the right, 90000 means up, 180000 means left and 270000 and -90000 mean down.
[edit] Example
To make the graphic of a process spin:
Program spinning_graphic; Begin graph = new_map(100,100,8); //Create a cyan square and assign it to 'graph' map_clear(0,graph,rgb(0,255,255)); x = 160; //Position the graphic's center y = 100; //in the center of the screen Loop angle += 1000; //increase the angle of graphic by 1000 each frame. 1000 = 1 degree. frame; End End
This process will spin the cyan square by 1 degree each frame.
Local variables | |
• Angle • Bigbro • Father • File • Flags • Graph • Id • Region • Reserved • Resolution • Size • Size_x • Size_y • Smallbro • Son • X • Y • Z • |