Difference between revisions of "ToCart"
From SCAR Divi Manual
Line 2: | Line 2: | ||
<source lang="scar" lines="false"> | <source lang="scar" lines="false"> | ||
function ToCart(Point: PPoint): TPoint; | function ToCart(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> | ||
Revision as of 12:58, 3 July 2011
Definition
function ToCart(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)