Difference between revisions of "DISPLAY"

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imported>Stylin
(updated to new blueprint)
imported>Cyperium
Line 13: Line 13:


{{PageExamples}}
{{PageExamples}}
{{CodeStart}}[[SCREEN]] 13, 0, 1, 0
{{CodeStart}}
 
SCREEN 13, 0, 1, 0
 
dx = 1: dy = 1
dx = 1: dy = 1
[[DO]]
DO
     [[PCOPY]] 1,0
     PCOPY 1,0
     [[CLS]]
     CLS
     [[_LIMIT]] 60 ' set to 60 frames per second
     _LIMIT 60 ' set to 60 frames per second
     x = x + dx: y = y + dy
     x = x + dx: y = y + dy
     [[IF...THEN|IF]] x < 0 [[OR]] x > 320 [[THEN]] dx = -dx
     IF x < 0 OR x > 320 THEN dx = -dx
     [[IF...THEN|IF]] y < 0 [[OR]] y > 200 [[THEN]] dy = -dy
     IF y < 0 OR y > 200 THEN dy = -dy
     [[CIRCLE]] (x, y), 10, 15
     CIRCLE (x, y), 10, 15
     _DISPLAY
     _DISPLAY
[[LOOP]] [[UNTIL]] [[INKEY$]] = [[CHR$]](27)
LOOP UNTIL INKEY$ = CHR$(27)
 
{{CodeEnd}}
{{CodeEnd}}
:Displays a circle going around the screen at 60 frames per second, displaying each frame to the screen.
:Displays a circle going around the screen at 60 frames per second, displaying each frame to the screen.

Revision as of 01:25, 19 January 2010

The _DISPLAY statement turns off the automatic display of the screen graphics (which is at around 30 fps) while displaying the screen graphics.


Syntax

_DISPLAY


Description

  • _DISPLAY turns off the default _AUTODISPLAY when used.
  • Call _DISPLAY each time the screen graphics are to be displayed.
  • Re-enable the automatic display by calling _AUTODISPLAY.


Examples

SCREEN 13, 0, 1, 0 dx = 1: dy = 1 DO PCOPY 1,0 CLS _LIMIT 60 ' set to 60 frames per second x = x + dx: y = y + dy IF x < 0 OR x > 320 THEN dx = -dx IF y < 0 OR y > 200 THEN dy = -dy CIRCLE (x, y), 10, 15 _DISPLAY LOOP UNTIL INKEY$ = CHR$(27)

Displays a circle going around the screen at 60 frames per second, displaying each frame to the screen.


See also



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