Multiple sheets of paper placed on a desk with projected graphics figure 2 16.
Glvertex2f gltexcoord2f rubber sheet.
319 319 320 325 329.
0 5f is the middle of the texture and 1 0f is the top of the texture.
Lection on 2d graphics in openframeworks drawing images transparency offscreen buffer.
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Sheets can be augmented with literal functionality or magical functionality.
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The second value of gltexcoord2f is the y coordinate.
The lower left corner not the pixel of the texture is at 0 0 the upper right corner is at 1 1.
Gl glvertex2f 0 0f destpoint x 0 0f destpoint y.
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.
0 0f is the left side 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.
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.
We will discuss art graphics sound computer vision opencv osc and arduino all in connection to openframeworks with many examples.
The first value of gltexcoord2f is the x coordinate.
Lections on openframeworks and interactive multimedia.
Xii 3 representations of orientations xii 4 kinematics.
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.
Get a second piece of transparent paper and try to align them so.
0 0f is the bottom of the texture.
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Think textures as being rubber sheets.
Generative art creative coding.
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Preliminaries vectors and vector products.
A 1 a 2 a 3 a 4.
