Search DaniWeb - setpixel

VB6 - RayCasting: why my Vertical intersection is so big? 2 Months Ago by cambalinho …/ ObjectSize) MapY = Fix((HorizY) / ObjectSize) A.SetPixel (Fix(HorizX)), (Fix(HorizY)), ColorConstants.vbCyan If LevelMap0(MapY…) / ObjectSize) MapY = Fix((VertY) / ObjectSize) A.SetPixel (Fix(VertX)), (Fix(VertY)), vbYellow If LevelMap0(MapY, MapX… Re: VB6 - RayCasting: why my Vertical intersection is so big? 2 Months Ago by cambalinho … vbBlue Then Exit Do End If 'A.SetPixel (Fix(HorizX)), (Fix(HorizY)), ColorConstants.vbCyan…= vbBlue Then Exit Do End If 'A.SetPixel (Fix(VertX)), (Fix(VertY)), vbYellow 'DoEvents… Re: VB6 - RayCasting: why my Vertical intersection is so big? 2 Months Ago by rproffitt For VertDist I would set a break on line 104 so I could examine the values in line 103. Also, could be a localization issue that the comma is used for the decimal point and the integer of the results might be 35 and 4548. Re: VB6 - RayCasting: why my Vertical intersection is so big? 2 Months Ago by cambalinho finally i found the problem is on these line: HorizDist = Sqr(((HorizX - Player.PosX) * (HorizX - Player.PosX)) + ((HorizY - Player.PosY) * (HorizY - Player.PosY))) 'works fine VertDist = Sqr(((VertX - Player.PosX)) * ((VertX - Player.PosX))) + (((VertY - Player.PosY)) * ((VertY - Player.PosY)))'calculation incorrect like … Re: VB6 - RayCasting: why my Vertical intersection is so big? 2 Months Ago by cambalinho not so easy :( WallDistance = WallDistance * Cos(Abs(RayRadians - Player.Radians)) 'avoiding the Fish Effect RayHeight = (ObjectSize / WallDistance) * 200 '320 is the width screen If (RayHeight > 200) Then RayHeight = 200 A.ForeColor vbBlue A.DrawLine 475 + 50 + RayCounts, 200 / 2 - … Re: VB6 - RayCasting: why my Vertical intersection is so big? 2 Months Ago by cambalinho i fix 1 error: ElseIf (KeyCode = vbKeyUp) Then If (LevelMap0(Fix((Player.PosY + Player.MoveY * Speed) / ObjectSize), Fix((Player.PosX + Player.MoveX * Speed) / ObjectSize)) <> vbBlue) Then 'and: ElseIf (KeyCode = vbKeyDown) Then If (LevelMap0(Fix((Player.PosY - Player.MoveY * Speed) / … Re: VB6 - RayCasting: why my Vertical intersection is so big? 2 Months Ago by cambalinho after several tests i fix it: Do While RayCounts < RayCount If (RayRadians > (2 * PI)) Then RayRadians = 0.001 i have more to update: 1 - win more performance\FPS; 2 - and trying avoid the 'on error resume next'(it's about the array dimensions): Private Sub DrawRays2() Dim AY As Double… Re: Putpixel() 16 Years Ago by twomers SetPixel() perhaps :) [url]http://msdn2.microsoft.com/en-us/library/ms532304.aspx[/url] Bersenham Circle Algorithm demonstrated using Win32 SetPixel 13 Years Ago by NicAx64 … hwnd) { sHwnd=hwnd; } static COLORREF sDefaultColor=RGB(255,0,0); /* SetPixel */ void Circle_SetPixel(int x,int y,COLORREF& color=sDefaultColor…;Error",MB_OK|MB_ICONERROR); exit(0); } HDC hdc=GetDC(sHwnd); SetPixel(hdc,x,y,color); ReleaseDC(sHwnd,hdc); return; // NEVERREACH // } #define… Re: Need help with getpixel & setpixel VB6 16 Years Ago by ~Paul~ Instead of using GetPixel and SetPixel use the GetDIBits and SetDIBits API they are much faster and more efficient ;) Problems with class code and need help 12 Years Ago by CodyOebel …WM_RBUTTONUP,0,MAKELPARAM(mx,my)); }; SetPixel(hdcDC,mx,my,RedDot); }; };…,MAKELPARAM(mx,my)); break; }; }; SetPixel(hdcDC,mx,my,RedDot); }; //////////////SELECTS … FindWindow() not working on vista 13 Years Ago by CodyOebel …)); SendMessage(hwndDC,WM_LBUTTONUP,0,MAKELPARAM(mx,my)); }; //SetPixel(hdcDC,mx,my,RedDot); }; }; if(i ==… SendMessage(hwndDC,WM_LBUTTONUP,0,MAKELPARAM(mx,my)); }; //SetPixel(hdcDC,mx,my,RedDot); }; }; if(i ==… Problem with JS function 11 Years Ago by rem2 …[x][y] = paper.circle(x, y, 5); } } return arr; } function setPixel(x, y,arr) { var x = x * 10; y = (y + 4… image procesing project 15 Years Ago by learning C …shade2 + shade3 + shade4 + shade5 + shade5 + shade6 + shade7 )/10; SetPixel(drawing_context, col+50, row+50, RGB(shadeBlur, shadeBlur, shadeBlur)); } } … shadeSharp = (shade + shade0 + shade1 + shade2)*1.25; SetPixel(drawing_context, col+50, row+50, RGB(shadeSharp, shadeSharp, shadeSharp));… OpenGL Bersenham Algo 11 Years Ago by gopi17 …; // initial F y = p1y; x = p1x; while (y <= p2y) { setPixel(x, y); if (F <= 0) { F += dx2; } else { x… need some help to see whats wrong 12 Years Ago by blahbla …; pixels = new boolean [width][height]; clear(); } void setPixel(int x, int y, boolean b) {pixels[x][y]…getWidth() && y < fb.getHeight()) fb.setPixel(x++, y++); y--; while (x < fb.…getWidth() && y >= 0) fb.setPixel(x++, y--); if (y < 0)y = 0… How to draw a rectangle in jython 11 Years Ago by siga …application, parses it with regular expressions and calls setPixel(x,y) in the Java application to draw… a rectangle. the Java program ,setPixel(x, y) is used to control the … event:") self.obj.setPixel(100,10) self.obj.setPixel(101,10) self.obj.setPixel(102,10) def move(… Re: merging image 15 Years Ago by gbertoli3 …image = new Bitmap(image2); //Set the Cooresponding Pixel bitmap.SetPixel(image.Width + w, h, image.GetPixel(w, h));…image = new Bitmap(image3); //Set the Cooresponding Pixel bitmap.SetPixel(w, image.Height + h, image.GetPixel(w, h)); … merging image 16 Years Ago by diyana … all images are all white mergedImg.SetPixel(w, h, c); } else… = Color.FromArgb(0, 0, 0); mergedImg.SetPixel(w, h, c1); } } else {… DirectDraw 8-bit color algorithm 15 Years Ago by death_oclock …) + (b >> 6)) [/CODE] Here's my setPixel function: [CODE=c++] VOID setPixel(INT x, INT y, BYTE color) { lpScreen[x… BYTEs. And here is the implementation in WinMain: [CODE=c++] setPixel(0, 0, RGB_8BIT(255, 0, 0)); [/CODE] For some reason… null pointer exception?!?! 14 Years Ago by gotm …; x <= x2 ; x++) { iy = (int)Math.round(y); setPixel(x, iy, _file); y += m; } } // actually setting the correct pixel… in .XPM private void setPixel(int x, int iy, xpm _file) { _file.pixels[x][iy… exception occurs in line 63 when it goes to setPixel in the array. Here is my xpm class,… Re: Help please? (beginning python) 13 Years Ago by TrustyTony …) ## r,g,b = getRGB(pix1) ## color = makeColor(r,g,b) ## setPixel(pic2,x2+i,y2+j,color) def exchangeCell(pic1,cell1…) ## r,g,b = getRGB(pix1) ## color = makeColor(r,g,b) ## setPixel(pic2,x2+i,y2+j,color) pic = makePicture("atlantaBraves… Win32 paintbrush 12 Years Ago by PixelExchange … a few pixels here and there (with SetPixel(), but never in a straight, seamless line… works in Microsoft paint for example). Using SetPixel(), I created something that represents a paintbrush,… [CODE] WM_CREATE: global_dc = GetDC(hWnd); break; WM_MOUSEMOVE: SetPixel(global_dc, LOWORD(lParam), HIWORD(lParam), Color::black); break; [/… sand game problem with graphics 11 Years Ago by nikolaos …, int sourcey, int targetx, int targety) { SetPixel(sourcex, sourcey, new Color(255 , 255 , 255));//white SetPixel(targetx, targety, new Color(0 , 0… , 0));}//black void SetPixel(int x, int y, Color col) { g2.setColor(col); g2.… PLPLOT - CodeBlocks? 11 Years Ago by daino …c.obj):wingcc.c:(.text+0x1199): undefined reference to `SetPixel@16' C:\plplot\src\libplplotd.a(wingcc.c.obj):wingcc…c.obj):wingcc.c:(.text+0x21e0): undefined reference to `SetPixel@16' C:\plplot\src\libplplotd.a(wingcc.c.obj):…c.obj):wingcc.c:(.text+0x2285): undefined reference to `SetPixel@16' C:\plplot\src\libplplotd.a(wingcc.c.obj):… Re: Help please? (beginning python) 13 Years Ago by TrustyTony …b): print "show(",a,',',b,')' def setPixel(a,b,c,d): print "sP(",a…b = getRGB(pix1) color = makeColor(r,g,b) setPixel(pic2,x2+i,y2+j,color) def exchangeCell(pic1,cell1…b = getRGB(pix1) color = makeColor(r,g,b) setPixel(pic2,x2+i,y2+j,color) pic = makePicture("… Re: Help please? (beginning python) 13 Years Ago by TrustyTony …'-'*40 print b print a print '-'*40 def setPixel(a,b,c,d): print "sP(",…= getRGB(pix1) color = makeColor(r,g,b) setPixel(pic2,x2+i,y2+j,color) print '-'*40 def …b = getRGB(pix1) color = makeColor(r,g,b) setPixel(pic2,x2+i,y2+j,color) print '-'*40 pic … Re: Windows form and windows.h? 13 Years Ago by yoni0505 … "C" unsigned long __stdcall SetPixel(struct HDC__ *,int,int,unsigned long)" (?SetPixel@@$$J216YGKPAUHDC__@@HHK@Z) referenced in function "… "C" unsigned long __stdcall SetPixel(struct HDC__ *,int,int,unsigned long)" (?SetPixel@@$$J216YGKPAUHDC__@@HHK@Z) referenced in function "… Re: Raphael drawing performance 11 Years Ago by gon1387 … object of paper in your function "setPixel" and "unsetPixel" function setPixel(x, y,arr) { var x = x * 10… first init. Here's the changed code(removed init): function setPixel(x, y,arr) { var x = x * 10; y = (y + 4… Re: pixel color changing 15 Years Ago by Nick Evan …http://msdn.microsoft.com/en-us/library/aa887256.aspx"]SetPixel[/URL]() and [URL="http://crawlmsdn.microsoft.com/…-color? Then simply doing this: [code=cpp] labelledImage->SetPixel(r,c,v); [/code] should work. No need for… system::drawing::color for example: [code=cpp] labelledImage->SetPixel(0,0, Image::rgb(255,0,0)); [/code] would…