कृपया निम्नलिखित: 01 एक डेल्फी इकाई नाम "WaterEffect.pas" बनाएं और निम्नलिखित कोड:
unit WaterEffect;
interface
uses
Winapi.Windows, System.SysUtils, Vcl.Graphics, Math;
const
DampingConstant = 15;
type
PIntArray = ^TIntArray;
TIntArray = array[0..16777215] of Integer;
PPIntArray = ^TPIntArray;
TPIntArray = array[0..16777215] of PIntArray;
PRGBArray = ^TRGBArray;
TRGBArray = array[0..16777215] of TRGBTriple;
PPRGBArray = ^TPRGBArray;
TPRGBArray = array[0..16777215] of PRGBArray;
TWaterDamping = 1..99;
TWaterEffect = class(TObject)
private
{ Private declarations }
FrameWidth: Integer;
FrameHeight: Integer;
FrameBuffer01: Pointer;
FrameBuffer02: Pointer;
FrameLightModifier: Integer;
FrameScanLine01: PPIntArray;
FrameScanLine02: PPIntArray;
FrameScanLineScreen: PPRGBArray;
FrameDamping: TWaterDamping;
procedure SetDamping(Value: TWaterDamping);
protected
{ Protected declarations }
procedure CalculateWater;
procedure DrawWater(ALightModifier: Integer; Screen, Distance: TBitmap);
public
{ Public declarations }
constructor Create;
destructor Destroy; override;
procedure ClearWater;
procedure SetSize(EffectBackgroundWidth, EffectBackgroundHeight: Integer);
procedure Render(Screen, Distance: TBitmap);
procedure Bubble(X, Y: Integer; BubbleRadius, EffectBackgroundHeight: Integer);
property Damping: TWaterDamping read FrameDamping write SetDamping;
end;
implementation
{ TWaterEffect }
const
RandomConstant = $7FFF;
procedure TWaterEffect.Bubble(X, Y: Integer; BubbleRadius, EffectBackgroundHeight: Integer);
var
Rquad: Integer;
CX, CY, CYQ: Integer;
Left, Top, Right, Bottom: Integer;
begin
if (X < 0) or (X > FrameWidth - 1) then X := 1 + BubbleRadius + Random(RandomConstant) mod (FrameWidth - 2 * BubbleRadius - 1);
if (Y < 0) or (Y > FrameHeight - 1) then Y := 1 + BubbleRadius + Random(RandomConstant) mod (FrameHeight - 2 * BubbleRadius - 1);
Left := -Min(X, BubbleRadius);
Right := Min(FrameWidth - 1 - X, BubbleRadius);
Top := -Min(Y, BubbleRadius);
Bottom := Min(FrameHeight - 1 - Y, BubbleRadius);
Rquad := BubbleRadius * BubbleRadius;
for CY := Top to Bottom do
begin
CYQ := CY * CY;
for CX := Left to Right do
begin
if (CX * CX + CYQ <= Rquad) then
begin
Inc(FrameScanLine01[CY + Y][CX + X], EffectBackgroundHeight);
end;
end;
end;
end;
procedure TWaterEffect.CalculateWater;
var
X, Y, XL, XR: Integer;
NewH: Integer;
P1, P2, P3, P4: PIntArray;
PT: Pointer;
Rate: Integer;
begin
Rate := (100 - FrameDamping) * 256 div 100;
for Y := 0 to FrameHeight - 1 do
begin
P1 := FrameScanLine02[Y];
P2 := FrameScanLine01[Max(Y - 1, 0)];
P3 := FrameScanLine01[Y];
P4 := FrameScanLine01[Min(Y + 1, FrameHeight - 1)];
for X := 0 to FrameWidth - 1 do
begin
XL := Max(X - 1, 0);
XR := Min(X + 1, FrameWidth - 1);
NewH := (P2[XL] + P2[X] + P2[XR] + P3[XL] + P3[XR] + P4[XL] + P4[X] +
P4[XR]) div 4 - P1[X];
P1[X] := NewH * Rate div 256;
end;
end;
PT := FrameBuffer01;
FrameBuffer01 := FrameBuffer02;
FrameBuffer02 := PT;
PT := FrameScanLine01;
FrameScanLine01 := FrameScanLine02;
FrameScanLine02 := PT;
end;
procedure TWaterEffect.ClearWater;
begin
if FrameBuffer01 <> nil then ZeroMemory(FrameBuffer01, (FrameWidth * FrameHeight) * SizeOf(Integer));
if FrameBuffer02 <> nil then ZeroMemory(FrameBuffer02, (FrameWidth * FrameHeight) * SizeOf(Integer));
end;
constructor TWaterEffect.Create;
begin
inherited;
FrameLightModifier := 10;
FrameDamping := DampingConstant;
end;
destructor TWaterEffect.Destroy;
begin
if FrameBuffer01 <> nil then FreeMem(FrameBuffer01);
if FrameBuffer02 <> nil then FreeMem(FrameBuffer02);
if FrameScanLine01 <> nil then FreeMem(FrameScanLine01);
if FrameScanLine02 <> nil then FreeMem(FrameScanLine02);
if FrameScanLineScreen <> nil then FreeMem(FrameScanLineScreen);
inherited;
end;
procedure TWaterEffect.DrawWater(ALightModifier: Integer; Screen, Distance:
TBitmap);
var
DX, DY: Integer;
I, C, X, Y: Integer;
P1, P2, P3: PIntArray;
PScreen, PDistance: PRGBArray;
PScreenDot, PDistanceDot: PRGBTriple;
BytesPerLine1, BytesPerLine2: Integer;
begin
Screen.PixelFormat := pf24bit;
Distance.PixelFormat := pf24bit;
FrameScanLineScreen[0] := Screen.ScanLine[0];
BytesPerLine1 := Integer(Screen.ScanLine[1]) - Integer(FrameScanLineScreen[0]);
for I := 1 to FrameHeight - 1 do FrameScanLineScreen[i] := PRGBArray(Integer(FrameScanLineScreen[i - 1]) + BytesPerLine1);
begin
PDistance := Distance.ScanLine[0];
BytesPerLine2 := Integer(Distance.ScanLine[1]) - Integer(PDistance);
for Y := 0 to FrameHeight - 1 do
begin
PScreen := FrameScanLineScreen[Y];
P1 := FrameScanLine01[Max(Y - 1, 0)];
P2 := FrameScanLine01[Y];
P3 := FrameScanLine01[Min(Y + 1, FrameHeight - 1)];
for X := 0 to FrameWidth - 1 do
begin
DX := P2[Max(X - 1, 0)] - P2[Min(X + 1, FrameWidth - 1)];
DY := P1[X] - P3[X];
if (X + DX >= 0) and (X + DX < FrameWidth) and (Y + DY >= 0) and (Y + DY < FrameHeight) then
begin
PScreenDot := @FrameScanLineScreen[Y + DY][X + DX];
PDistanceDot := @PDistance[X];
C := PScreenDot.rgbtBlue - DX;
if C < 0 then PDistanceDot.rgbtBlue := 0 else if C > 255 then PDistanceDot.rgbtBlue := 255 else
begin
PDistanceDot.rgbtBlue := C;
C := PScreenDot.rgbtGreen - DX;
end;
if C < 0 then PDistanceDot.rgbtGreen := 0 else if C > 255 then PDistanceDot.rgbtGreen := 255 else
begin
PDistanceDot.rgbtGreen := C;
C := PScreenDot.rgbtRed - DX;
end;
if C < 0 then PDistanceDot.rgbtRed := 0 else if C > 255 then PDistanceDot.rgbtRed := 255 else
begin
PDistanceDot.rgbtRed := C;
end;
end
else
begin
PDistance[X] := PScreen[X];
end;
end;
PDistance := PRGBArray(Integer(PDistance) + BytesPerLine2);
end;
end;
end;
procedure TWaterEffect.Render(Screen, Distance: TBitmap);
begin
CalculateWater;
DrawWater(FrameLightModifier, Screen, Distance);
end;
procedure TWaterEffect.SetDamping(Value: TWaterDamping);
begin
if (Value >= Low(TWaterDamping)) and (Value <= High(TWaterDamping)) then FrameDamping := Value;
end;
procedure TWaterEffect.SetSize(EffectBackgroundWidth, EffectBackgroundHeight: Integer);
var
I: Integer;
begin
if (EffectBackgroundWidth <= 0) or (EffectBackgroundHeight <= 0) then
begin
EffectBackgroundWidth := 0;
EffectBackgroundHeight := 0;
end;
FrameWidth := EffectBackgroundWidth;
FrameHeight := EffectBackgroundHeight;
ReallocMem(FrameBuffer01, FrameWidth * FrameHeight * SizeOf(Integer));
ReallocMem(FrameBuffer02, FrameWidth * FrameHeight * SizeOf(Integer));
ReallocMem(FrameScanLine01, FrameHeight * SizeOf(PIntArray));
ReallocMem(FrameScanLine02, FrameHeight * SizeOf(PIntArray));
ReallocMem(FrameScanLineScreen, FrameHeight * SizeOf(PRGBArray));
ClearWater;
if FrameHeight > 0 then
begin
FrameScanLine01[0] := FrameBuffer01;
FrameScanLine02[0] := FrameBuffer02;
for I := 1 to FrameHeight - 1 do
begin
FrameScanLine01[I] := @FrameScanLine01[I - 1][FrameWidth];
FrameScanLine02[I] := @FrameScanLine02[I - 1][FrameWidth];
end;
end;
end;
end.
- में "का उपयोग करता है" जोड़ें "WaterEffect" ।
- "सक्षम करें" संपत्ति और "अंतराल = 25" के साथ एक "टाइमर" जोड़ें।
- "निजी घोषणा" में "पानी: TWaterEffect," जोड़ने और "फ़्रेमबैकग्राउंड: टीबीटमैप;"।
- परिभाषित करें "var एक्स: पूर्णांक,"
- निम्नलिखित
procedure TMainForm.FormCreate(Sender: TObject);
begin
Timer01.Enabled := true;
FrameBackground := TBitmap.Create;
FrameBackground.Assign(Image01.Picture.Graphic);
Image01.Picture.Graphic := nil;
Image01.Picture.Bitmap.Height := FrameBackground.Height;
Image01.Picture.Bitmap.Width := FrameBackground.Width;
Water := TWaterEffect.Create;
Water.SetSize(FrameBackground.Width,FrameBackground.Height);
X:=Image01.Height;
end;
procedure TMainForm.FormDestroy(Sender: TObject);
begin
FrameBackground.Free;
Water.Free;
end;
procedure TMainForm.Image01MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
Water.Bubble(X,Y,1,100);
end;
procedure TMainForm.Image01MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin
Water.Bubble(X,Y,1,100);
end;
procedure TMainForm.Timer01Timer(Sender: TObject);
begin
if Random(8)= 1 then
Water.Bubble(-1,-1,Random(1)+1,Random(500)+50);
Water.Render(FrameBackground,Image01.Picture.Bitmap);
with Image01.Canvas do
begin
Brush.Style:=bsClear;
font.size:=12;
Font.Style:=[];
Font.Name := 'Comic Sans MS';
font.color:=$e4e4e4;
Textout(190, 30, DateTimeToStr(Now));
end;
end;
अब संकलित को परिभाषित करें। मुझे लगता है कि आपको आवश्यक प्रभाव मिलेगा।
"जल प्रभाव" बहुत अस्पष्ट है। क्या आप पृष्ठ पर एक लिंक प्रदान करने के लिए अपना प्रश्न संपादित कर सकते हैं, इसलिए हम जान लेंगे कि आप क्या करने की कोशिश कर रहे हैं? –
ये ओपन सोर्स प्रोग्राम हैं। यदि आपको ऐसा कुछ करने का मौका मिलेगा, तो आपको टोर्टोइस के स्रोत कोड को खोजने, डाउनलोड करने और पढ़ने में सक्षम होना होगा। –
आपके द्वारा पोस्ट की गई छवि आपके द्वारा उल्लिखित प्रभाव प्रदर्शित नहीं करती है। क्या यह प्रभाव वेबसाइट पर या टोर्टोइज जीआईटी कार्यक्रम पर ही है? –