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GenPoins.pas
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GenPoins.pas
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unit GenPoins;
interface //#################################################################### ■
uses LUX;
type //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$【型】
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$【レコード】
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$【クラス】
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TGenPoins
TGenPoins = class
private
procedure MakePoins;
protected
_MinI :Integer;
_MaxI :Integer;
_MinY :Single;
_MaxY :Single;
_Verts :TArray2<Single>;
///// アクセス
function GetMinI :Integer;
procedure SetMinI( const MinI_:Integer );
function GetMaxI :Integer;
procedure SetMaxI( const MaxI_:Integer );
function GetMinY :Single;
procedure SetMinY( const MinY_:Single );
function GetMaxY :Single;
procedure SetMaxY( const MaxY_:Single );
function GetVerts( const Y_,X_:Integer ) :Single;
procedure SetVerts( const Y_,X_:Integer; const Verts_:Single );
public
constructor Create;
procedure AfterConstruction; override;
destructor Destroy; override;
///// プロパティ
property MinI :Integer read GetMinI write SetMinI ;
property MaxI :Integer read GetMaxI write SetMaxI ;
property MinY :Single read GetMinY write SetMinY ;
property MaxY :Single read GetMaxY write SetMaxY ;
property Verts[ const X_,Y_:Integer ] :Single read GetVerts write SetVerts;
///// メソッド
function Poins( const I_:Integer; const Td_:Single ) :Single;
procedure Next;
end;
//const //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$【定数】
//var //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$【変数】
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$【ルーチン】
implementation //############################################################### ■
uses LUX.Curve.BSpline;
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$【レコード】
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$【クラス】
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TGenPoins
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& private
procedure TGenPoins.MakePoins;
var
I :Integer;
W :Single;
begin
SetLength( _Verts, 4, MaxI - MinI + 1 );
W := _MaxY - _MinY;
for I := MinI to MaxI do
begin
Verts[ -1, I ] := W * Random + _MinY;
Verts[ 0, I ] := W * Random + _MinY;
Verts[ +1, I ] := W * Random + _MinY;
Verts[ +2, I ] := W * Random + _MinY;
end;
end;
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& protected
function TGenPoins.GetMinI :Integer;
begin
Result := _MinI;
end;
procedure TGenPoins.SetMinI( const MinI_:Integer );
begin
_MinI := MinI_; MakePoins;
end;
function TGenPoins.GetMaxI :Integer;
begin
Result := _MaxI;
end;
procedure TGenPoins.SetMaxI( const MaxI_:Integer );
begin
_MaxI := MaxI_; MakePoins;
end;
//------------------------------------------------------------------------------
function TGenPoins.GetMinY :Single;
begin
Result := _MinY;
end;
procedure TGenPoins.SetMinY( const MinY_:Single );
begin
_MinY := MinY_; MakePoins;
end;
function TGenPoins.GetMaxY :Single;
begin
Result := _MaxY;
end;
procedure TGenPoins.SetMaxY( const MaxY_:Single );
begin
_MaxY := MaxY_; MakePoins;
end;
//------------------------------------------------------------------------------
function TGenPoins.GetVerts( const Y_,X_:Integer ) :Single;
begin
Result := _Verts[ 1 + Y_, X_ - _MinI ];
end;
procedure TGenPoins.SetVerts( const Y_,X_:Integer; const Verts_:Single );
begin
_Verts[ 1 + Y_, X_ - _MinI ] := Verts_;
end;
//&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& public
constructor TGenPoins.Create;
begin
inherited;
end;
procedure TGenPoins.AfterConstruction;
begin
inherited;
MinI := 0;
MaxI := 1;
MinY := -1.5;
MaxY := +1.5;
end;
destructor TGenPoins.Destroy;
begin
inherited;
end;
/////////////////////////////////////////////////////////////////////// メソッド
function TGenPoins.Poins( const I_:Integer; const Td_:Single ) :Single;
begin
Result := BSpline4( Verts[ -1, I_ ],
Verts[ 0, I_ ],
Verts[ +1, I_ ],
Verts[ +2, I_ ], Td_ );
end;
//------------------------------------------------------------------------------
procedure TGenPoins.Next;
var
I :Integer;
W :Single;
begin
W := _MaxY - _MinY;
for I := MinI to MaxI do
begin
Verts[ -1, I ] := Verts[ 0, I ];
Verts[ 0, I ] := Verts[ +1, I ];
Verts[ +1, I ] := Verts[ +2, I ];
Verts[ +2, I ] := W * Random + _MinY;
end;
end;
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$【ルーチン】
//############################################################################## □
initialization //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ 初期化
finalization //$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ 最終化
end. //######################################################################### ■