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Introduction to OpenGL Prof. Dr.-Ing. Lars Linsen - Faculty.jacobs ...

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Using <strong>OpenGL</strong> primitives<br />

• Primitives are specified using<br />

glBegin( primType );<br />

glEnd();<br />

– primType is any of the primitive types and determines how<br />

vertices are combined.<br />

GLfloat red, green, blue;<br />

Glfloat coords[3];<br />

glColor3f( red, green, blue );<br />

glBegin( glBegin(<br />

primType );<br />

for ( i = 0; i < nVerts; ++i ) {<br />

glVertex3fv( coords );<br />

}<br />

glEnd();<br />

Jacobs University<br />

Visualization and Computer Graphics Lab<br />

320621: Advanced Visualization Lab 56

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