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RCBASIC4/doc/doc_files/spriteisvisible.html
2025-01-25 23:53:43 -05:00

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<p><h2>Function SpriteIsVisible(sprite) </h2></p>
<p>
Returns whether the sprite is visible
</p>
<p id="rc_code"><code>
isFullScreen&nbsp;=&nbsp;<span class="rc_keyword">false</span>&nbsp;<br>
vSync&nbsp;=&nbsp;<span class="rc_keyword">true</span>&nbsp;<br>
winWidth&nbsp;=&nbsp;<span class="rc_number">640</span>&nbsp;<br>
winHeight&nbsp;=&nbsp;<span class="rc_number">480</span>&nbsp;<br>
canViewPortX&nbsp;=&nbsp;<span class="rc_number">0</span>&nbsp;<br>
canViewPortY&nbsp;=&nbsp;<span class="rc_number">0</span>&nbsp;<br>
&nbsp;&nbsp;<br>
OpenWindow<b>(</b><span class="rc_string">"SetSpriteVisible"</span>,&nbsp;winWidth,&nbsp;winHeight,&nbsp;isFullScreen,&nbsp;vSync<b>)</b>&nbsp;<br>
sCanvas&nbsp;=&nbsp;OpenCanvasSpriteLayer<b>(</b>canViewPortX,&nbsp;canViewPortY,&nbsp;winWidth,&nbsp;winHeight<b>)</b>&nbsp;<br>
Canvas<b>(</b>sCanvas<b>)</b>&nbsp;<br>
&nbsp;&nbsp;<br>
<span class="rc_keyword">DIM</span>&nbsp;eye&nbsp;<br>
<span class="rc_keyword">DIM</span>&nbsp;eyeW&nbsp;<br>
<span class="rc_keyword">DIM</span>&nbsp;eyeH&nbsp;<br>
<span class="rc_keyword">DIM</span>&nbsp;spriteTimer&nbsp;:&nbsp;spriteTimer&nbsp;=&nbsp;Timer<b>(</b><b>)</b>&nbsp;<br>
<span class="rc_keyword">DIM</span>&nbsp;spriteTimerDiff&nbsp;:&nbsp;spriteTimerDiff&nbsp;=&nbsp;<span class="rc_number">2000</span>&nbsp;<br>
&nbsp;&nbsp;<br>
eye&nbsp;=&nbsp;LoadImage<b>(</b><span class="rc_string">"theEye.png"</span><b>)</b>&nbsp;<br>
GetImageSize<b>(</b>eye,&nbsp;eyeW,&nbsp;eyeH<b>)</b>&nbsp;<br>
&nbsp;&nbsp;<br>
eyeSprite&nbsp;=&nbsp;CreateSprite<b>(</b>eye,&nbsp;eyeW,&nbsp;eyeH<b>)</b>&nbsp;<br>
SetSpritePosition<b>(</b>eyeSprite,&nbsp;<span class="rc_number">100</span>,&nbsp;<span class="rc_number">100</span><b>)</b>&nbsp;<br>
SetSpriteVisible<b>(</b>eyeSprite,&nbsp;<span class="rc_number">0</span><b>)</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="rc_comment">'Set the flag to 0 for not visible </span><br>
&nbsp;&nbsp;<br>
&nbsp;&nbsp;<br>
<span class="rc_keyword">While</span>&nbsp;<span class="rc_keyword">Not</span>&nbsp;Key<b>(</b>K_ESCAPE<b>)</b>&nbsp;<br>
<span class="rc_keyword">If</span>&nbsp;Timer<b>(</b><b>)</b>&nbsp;-&nbsp;spriteTimer&nbsp;&gt;&nbsp;spriteTimerDiff&nbsp;<span class="rc_keyword">Then</span>&nbsp;<br>
&nbsp;&nbsp;&nbsp;SetSpriteVisible<b>(</b>eyeSprite,&nbsp;<span class="rc_number">1</span><b>)</b>&nbsp;<br>
&nbsp;&nbsp;&nbsp;<span class="rc_keyword">Print</span>&nbsp;<b>(</b><span class="rc_string">"Function Called"</span><b>)</b>&nbsp;<br>
<span class="rc_keyword">End</span>&nbsp;<span class="rc_keyword">If</span>&nbsp;<br>
&nbsp;&nbsp;<br>
<span class="rc_keyword">If</span>&nbsp;SpriteIsVisible<b>(</b>eyeSprite<b>)</b>&nbsp;<span class="rc_keyword">Then</span>&nbsp;<br>
&nbsp;&nbsp;&nbsp;<span class="rc_keyword">Print</span>&nbsp;<b>(</b><span class="rc_string">"Sprite is Visible"</span><b>)</b>&nbsp;<br>
<span class="rc_keyword">else</span>&nbsp;<br>
&nbsp;&nbsp;&nbsp;<span class="rc_keyword">Print</span>&nbsp;<b>(</b><span class="rc_string">"Sprite is not visible"</span><b>)</b>&nbsp;<br>
<span class="rc_keyword">End</span>&nbsp;<span class="rc_keyword">If</span>&nbsp;<br>
Update<b>(</b><b>)</b>&nbsp;<br>
<span class="rc_keyword">Wend</span>&nbsp;<br>
</code></p>
<p><img src="images/theEye.png" ></p>
<br><p>Related:
<a href="setspritevisible.html">SetSpriteVisible</a>
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