Open GL Animation

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Presented By: Kiran Munir 08-SE-59

<ul><li>Animation is the rapid display of a sequence of images of 2-D or 3-D artwork or model positions in order to creat...

<ul><li>For animation </li></ul><ul><ul><li>We can explicitly force the display callback to be invoked by issuing the com...

<ul><li>For automated simulation </li></ul><ul><ul><li>We need a mechanism for the window to be continually updated automa...

<ul><li>The Idle Callback specifies a function that is invoked whenever the system is not handling any other callbacks o...

A Simple Animation

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<ul><li>float X=0.0; </li></ul><ul><li>float deltaX=0.01; </li></ul>

$<ul><li>Void draw(void) </li></ul><ul><li>{ </li></ul><ul><li>glClear (GL_COLOR_BUFFER_BIT); </li></ul><ul><li>glBegin (G...$

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<ul><ul><li>Single Buffer Rendering </li></ul></ul><ul><ul><li>Hardware Dependence </li></ul></ul><ul><ul><ul><li>Inconsis...

A Smooth Animation

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<ul><li>Now to compile and execute we see a smooth animated line segment </li></ul><ul><li>Double buffering is insignific...

<ul><ul><li>No real solution </li></ul></ul><ul><ul><li>Make faster computers slow </li></ul></ul><ul><ul><li>Important fo...

<ul><li>Animation Delay </li></ul><ul><ul><li>Select the minimal hardware configuration </li></ul></ul><ul><ul><li>Set a t...

<ul><li>Glut Timed Callback </li></ul><ul><ul><li>GlutTimerFunc(); </li></ul></ul>

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<ul><li>glutTimerFunc(time,function,arg) </li></ul><ul><ul><li>This causes function() to be called after time milliseconds...

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<ul><li>void Timer(int unused) </li></ul><ul><li>{ </li></ul><ul><li>glutPostRedisplay(); </li></ul><ul><li>glutTimerFunc(...

<ul><li>At the end of 30 milliseconds the function timer is called again and dispatches the redisplay and timer messages. ...

<ul><li>http://xoax.net/ </li></ul><ul><li>http://nehe.gamedev.net </li></ul>