Glvertex2f Gltexcoord2f Rubber Sheet
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The lower left corner not the pixel of the texture is at 0 0 the upper right corner is at 1 1.
Glvertex2f gltexcoord2f rubber sheet. Easily share your publications and get them in front of issuu s. Imagine that sheet of paper was made of rubber so that you could stretch it. Sheets can be augmented with literal functionality or magical functionality. 0 5f is the middle of the texture and 1 0f is the top of the texture.
1 evaluates conditional expressions 3dborder 3 draw borders with three dimensional appearance a2ps 1 format files for printing on a postscript printer a64l 3 conver. A bitmap of each sheet is extracted from the camera image thresholded and used to identify the sheet without the use of glyphs by comparing it to the appearance of known sheets. Lections on open frameworks free ebook download as pdf file pdf text file txt or view presentation slides online. Lection on 2d graphics in openframeworks drawing images transparency offscreen buffer.
The second value of gltexcoord2f is the y coordinate. A 1 a 2 a 3 a 4. 2d graphics free download as pdf file pdf text file txt or view presentation slides online. When drawing a triangle to the screen the exact position on screen doesn t matter the texture rubber sheet is cut out according to the texture coordinates and stretched onto the triangle as specified by the texture coordinates.
Get a second piece of transparent paper and try to align them so. Preliminaries vectors and vector products. 0 5f is the middle of the texture and 1 0f is the right side of the texture. We will discuss art graphics sound computer vision opencv osc and arduino all in connection to openframeworks with many examples.
0 0f is the left side of the texture. 319 319 320 325 329. Lections on openframeworks and interactive multimedia. Gl glvertex2f 0 0f destpoint x 0 0f destpoint y.
Xii 3 representations of orientations xii 4 kinematics. Think textures as being rubber sheets. The first value of gltexcoord2f is the x coordinate. 0 0f is the bottom of the texture.
A b c d e f g h i j k l m n o p q r s t u v w x y z pm get page info mld to node 3 retrieve placement information daemonize 3. Stretching would be the texture mapping process.
