TempleOSCDV3.11.ISO

Demo/Graphics/Bounce.CPP

@@ -18,26 +18,25 @@ U0 Init()
 U0 Bounce()
 {
   CDC *dc=DCAlias;
-  I64 i,ch,update;
+  I64 i,ch;
   Init;
   try {//Catch <CTRL-ALT-c>
     do {
-      update=winmgr.updates;
-      do for (i=0;i<16;i++) {
-	  dc->color=i;
-	  GrPlot(dc,x[i].i32[1],y[i].i32[1]);
-	  x[i]+=dx[i];
-	  y[i]+=dy[i];
-	  if (!(0<=x[i]<Fs->pix_width<<32)) {
-	    x[i]-=dx[i];
-	    dx[i]=-dx[i];
-	  }
-	  if (!(0<=y[i]<Fs->pix_height<<32)) {
-	    y[i]-=dy[i];
-	    dy[i]=-dy[i];
-	  }
+      for (i=0;i<16;i++) {
+	dc->color=i;
+	GrPlot(dc,x[i].i32[1],y[i].i32[1]);
+	x[i]+=dx[i];
+	y[i]+=dy[i];
+	if (!(0<=x[i]<Fs->pix_width<<32)) {
+	  x[i]-=dx[i];
+	  dx[i]=-dx[i];
 	}
-      while (update==winmgr.updates);
+	if (!(0<=y[i]<Fs->pix_height<<32)) {
+	  y[i]-=dy[i];
+	  dy[i]=-dy[i];
+	}
+      }
+      Yield;
     } while (!(ch=ScanChar) || (ch!=CH_SHIFT_ESC && ch!=CH_ESC));
   } catch
     PutExcept;