Difference between revisions of "ToCart"
From SCAR Divi Manual
(Created page with "==Definition== <source lang="scar" lines="false"> function ToCart(Point: PPoint): TPoint; </source> ==Availability== SCAR Divi 3.00 > Current ==Description== Converts a given p...") |
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==Definition== | ==Definition== | ||
<source lang="scar" lines="false"> | <source lang="scar" lines="false"> | ||
| − | function ToCart(Point: PPoint): TPoint; | + | function ToCart(const Point: PPoint): TPoint; |
| + | </source> | ||
| + | |||
| + | ===Source Code=== | ||
| + | <source lang="scar"> | ||
| + | function ToCart(const Point: PPoint): TPoint; | ||
| + | var | ||
| + | T: Double; | ||
| + | begin | ||
| + | T := DegToRad(Point.T); | ||
| + | Result.x := Round(Point.R * Cos(T)); | ||
| + | Result.y := Round(Point.R * Sin(T)); | ||
| + | end; | ||
</source> | </source> | ||
| Line 8: | Line 20: | ||
==Description== | ==Description== | ||
| − | Converts a given polar coordinate defined by the [[PPoint]] '''Point''' to a cartesian coordinate defined by a [[ | + | Converts a given polar coordinate defined by the [[PPoint]] '''Point''' to a cartesian coordinate defined by a [[TPoint]]. |
==Example== | ==Example== | ||
| Line 17: | Line 29: | ||
begin | begin | ||
| − | p.R := | + | p.R := 4; |
| − | p.T := | + | p.T := 45; |
tp := ToCart(p); | tp := ToCart(p); | ||
WriteLn('TPoint(' + IntToStr(tp.X) + ',' + IntToStr(tp.Y) + ')'); | WriteLn('TPoint(' + IntToStr(tp.X) + ',' + IntToStr(tp.Y) + ')'); | ||
| Line 25: | Line 37: | ||
Output: | Output: | ||
| − | TPoint( | + | TPoint(3,3) |
==See Also== | ==See Also== | ||
Latest revision as of 12:59, 3 July 2011
Definition
function ToCart(const Point: PPoint): TPoint;
Source Code
function ToCart(const Point: PPoint): TPoint; var T: Double; begin T := DegToRad(Point.T); Result.x := Round(Point.R * Cos(T)); Result.y := Round(Point.R * Sin(T)); end;
Availability
SCAR Divi 3.00 > Current
Description
Converts a given polar coordinate defined by the PPoint Point to a cartesian coordinate defined by a TPoint.
Example
var
p: PPoint;
tp: TPoint;
begin
p.R := 4;
p.T := 45;
tp := ToCart(p);
WriteLn('TPoint(' + IntToStr(tp.X) + ',' + IntToStr(tp.Y) + ')');
end.Output:
TPoint(3,3)
