procedureSpray(Canvas: TCanvas; x, y, r: Integer; Color: TColor); var
rad, a: Single; i: Integer; begin
for
i := 0 to
100 do
begin
a := Random * 2 * pi; rad := Random * r; Canvas.Pixels[x + Round(rad * Cos(a)), y + Round(rad * Sin(a))] := Color; end
; end
; procedure
TForm1.Image1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer); begin
if
ssLeft in
Shift then
Spray(Image1.Canvas, x, y, 40, clRed); end
; procedure
TForm1.Image1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); begin
if
ssLeft in
Shift then
Spray(Image1.Canvas, x, y, 40, clRed); end
;