blitz-research
37 lines
2.7 KiB
HTML
37 lines
2.7 KiB
HTML
<html><head><title>Command: MouseY() </title><meta http-equiv='Content-Type' content='text/html; charset=iso-8859-1'><link rel='stylesheet' href='../css/commands.css' type='text/css'></head><body><span class='Command'> MouseY() </span></p><span class='header'>Definition:</span> <br><br><table width='100%' border='0' cellspacing='2' cellpadding='2' align='center'><tr><td>Returns the mouse's Y screen coordinate.</td></tr></table><span class='header'><br>Parameter Description:</span> <br><br><table width='100%' border='0' cellspacing='2' cellpadding='2' align='center'><tr><td>None</td></tr></table><p class='header'>Command Description: <br><br><table width='100%' border='0' cellspacing='2' cellpadding='2' align='center'><tr><td>This command returns the mouse's Y location on the screen. Use this with the <a href='DrawImage.htm'>DrawImage</a> command to make a custom mouse pointer, or to control something directly on the screen with the mouse. Use <a href='MouseX().htm'>MouseX()</a> to get the X coordinate.</td></tr></table><p class='header'>Example: <br><br><table width='100%' border='0' cellspacing='2' cellpadding='2' align='center'><tr><td>; LoadAnimImage/MaskImage MouseX()/MouseY() Example<br>
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; With animation timers<br>
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<br>
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; Even though we don't have any functions, let's do variables global<br>
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; One variable will hold the handle for the graphic, one will hold the<br>
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; current frame we are displaying, and one will hold the milliseconds<br>
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; timer so we can adjust the animation speed.<br>
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Global gfxSparks, frmSparks, tmrSparks<br>
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<br>
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; Standard graphic declaration and double buffering setup<br>
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Graphics 640,480,16<br>
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SetBuffer BackBuffer()<br>
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<br>
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; Load the imagestrip up and denote the frames 32x32 - for a total of 3 frames<br>
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gfxSparks=LoadAnimImage("c:\Program Files\BlitzBasic\samples\Graphics\spark.bmp",32,32,0,3)<br>
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<br>
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; We mask the image's color pink to be the 'transparent' color - look at the<br>
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; image in your favorite editor to see more why we use masking.<br>
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MaskImage gfxSparks,255,0,255<br>
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<br>
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; Loop until ESC<br>
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While Not KeyHit(1)<br>
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Cls ; Standard clear screen<br>
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<br>
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; The next statment checks to see if 100 milliseconds has passes since we<br>
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; last changed frames. Change the 100 to higher and lower values to <br>
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; make the animation faster or slower.<br>
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If MilliSecs() > tmrSparks + 100 Then<br>
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tmrSparks=MilliSecs() ; 'reset' the timer<br>
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frmSparks=( frmSparks + 1 ) Mod 3 ; increment the frame, flip to 0 if we are out<br>
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End If <br>
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DrawImage gfxSparks,MouseX(),MouseY(),frmSparks ; draw the image at MouseX and Y<br>
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Flip ; show the buffer<br>
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Wend<br>
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</td></tr></table><p><b><a target="_top" href="../index.htm">Index</a></b></p></body>
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</html>
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