PureBasic Forums - English

Code: Select all

#screenwidth   = 640
#screenheight  = 480

InitSprite()
OpenWindow(0, 0, 0, #screenwidth, #screenheight, "PB Drawing", #PB_Window_ScreenCentered | #PB_Window_MinimizeGadget)
OpenWindowedScreen(WindowID(0), 0, 0, #screenwidth, #screenheight, 0, 0, 0, #PB_Screen_NoSynchronization)

bufferaddress.i = 0
StartDrawing(ScreenOutput())
bufferaddress = DrawingBuffer()
StopDrawing()

fpscounter.i  = 0
timer.i       = 0
fps.i = 0
frames.i = 0
totalTime.l = 0
curTime.l = ElapsedMilliseconds()
    
Repeat
  
  lastTime = curTime
  curTime = ElapsedMilliseconds()
  totalTime + (curTime - lastTime)
  If( totalTime > 1000 ) 
    totalTime - 1000
    fps = frames
    frames = 0
  EndIf
  frames + 1
        
  ClearScreen(0)
  StartDrawing(ScreenOutput())
  For i = 0 To 20
    Box(Random(320), Random(240), Random(320), Random(240), Random($FFFFFF) )
  Next i
  DrawText(20,430,Str(fps))
  StopDrawing()
  
  FlipBuffers()
  
;   If ElapsedMilliseconds() > timer+1000
;     PrintN("fps: "+Str(fpscounter))
;     fpscounter  = 0
;     timer       = ElapsedMilliseconds()
;   EndIf
;   
;   fpscounter + 1
  
  
Until WindowEvent() = #PB_Event_CloseWindow

Code: Select all

import java.awt.*;
import java.awt.image.*;
import java.util.Enumeration;
import java.util.Random;
import javax.swing.JFrame;

/*
 * This is an example of a simple windowed render loop
 */
public class SimpleWindowedGame extends Canvas {

  public static void main( String[] args ) {
                
    // Create game window...
    JFrame app = new JFrame();
    app.setIgnoreRepaint( true );
    app.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
                
    // Create canvas for painting...
    Canvas canvas = new Canvas();
    canvas.setIgnoreRepaint( true );
    canvas.setSize( 640, 480 );
                
    // Add canvas to game window...
    app.add( canvas );
    app.pack();
    app.setVisible( true );
                
    // Create BackBuffer...
    canvas.createBufferStrategy( 2 );
    BufferStrategy buffer = canvas.getBufferStrategy();

    // Get graphics configuration...
    GraphicsEnvironment ge = 
        GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice gd = ge.getDefaultScreenDevice();
    GraphicsConfiguration gc = gd.getDefaultConfiguration();

    // Create off-screen drawing surface
    BufferedImage bi = gc.createCompatibleImage( 640, 480 );

    // Objects needed for rendering...
    Graphics graphics = null;
    Graphics2D g2d = null;
    Color background = Color.BLACK;
    Random rand = new Random();
                
    // Variables for counting frames per seconds
    int fps = 0;
    int frames = 0;
    long totalTime = 0;
    long curTime = System.currentTimeMillis();
    long lastTime = curTime;
    //int[] pixels;
    
    while( true ) {
      try {
        // count Frames per second...
        lastTime = curTime;
        curTime = System.currentTimeMillis();
        totalTime += curTime - lastTime;
        if( totalTime > 1000 ) {
          totalTime -= 1000;
          fps = frames;
          frames = 0;
        } 
        ++frames;

        // clear back buffer...
        g2d = bi.createGraphics();
        g2d.setColor( background );
        g2d.fillRect( 0, 0, 639, 479 );
                                
        // draw some rectangles...
        for( int i = 0; i < 20; ++i ) {
          int r = rand.nextInt(256);
          int g = rand.nextInt(256);
          int b = rand.nextInt(256);
          g2d.setColor( new Color(r,g,b) );
          int x = rand.nextInt( 640/2 );
          int y = rand.nextInt( 480/2 );
          int w = rand.nextInt( 640/2 );
          int h = rand.nextInt( 480/2 );
          g2d.fillRect( x, y, w, h );
        }
                                     
        // display frames per second...
        g2d.setFont( new Font( "Courier New", Font.PLAIN, 12 ) );
        g2d.setColor( Color.GREEN );
        g2d.drawString( String.format( "FPS: %s", fps ), 20, 20 );
                                
        // Blit image and flip...
        graphics = buffer.getDrawGraphics();
        graphics.drawImage( bi, 0, 0, null );
        if( !buffer.contentsLost() )
          buffer.show();
                                
        // Let the OS have a little time...
        Thread.yield();
      } finally {
        // release resources
        if( graphics != null ) 
          graphics.dispose();
        if( g2d != null ) 
          g2d.dispose();
      }
    }
  }
}

Code: Select all

#screenwidth   = 640
#screenheight  = 480

OpenWindow(0, 0, 0, #screenwidth, #screenheight, "PB Drawing", #PB_Window_ScreenCentered | #PB_Window_MinimizeGadget)

fpscounter.i  = 0
timer.i       = 0
fps.i = 0
frames.i = 0
totalTime.l = 0
curTime.l = ElapsedMilliseconds()
    
Repeat
  
  lastTime = curTime
  curTime = ElapsedMilliseconds()
  totalTime + (curTime - lastTime)
  If( totalTime > 1000 ) 
    totalTime - 1000
    fps = frames
    frames = 0
  EndIf
  frames + 1
        
  StartDrawing(WindowOutput(0))
  Box(0,0,640,480,#Black)
  For i = 0 To 20
    Box(Random(320), Random(240), Random(320), Random(240), Random($FFFFFF) )
  Next i
  SetWindowTitle(0,Str(fps))
  StopDrawing()
    
Until WindowEvent() = #PB_Event_CloseWindow