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Glvertex2f gltexcoord2f rubber sheet.
Gl glvertex2f 0 0f destpoint x 0 0f destpoint y.
We will discuss art graphics sound computer vision opencv osc and arduino all in connection to openframeworks with many examples.
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.
The lower left corner not the pixel of the texture is at 0 0 the upper right corner is at 1 1.
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.
Lections on openframeworks and interactive multimedia.
0 5f is the middle of the texture and 1 0f is the right side of the texture.
0 0f is the bottom of the texture.
Lection on 2d graphics in openframeworks drawing images transparency offscreen buffer.
Multiple sheets of paper placed on a desk with projected graphics figure 2 16.
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.
Xii 3 representations of orientations xii 4 kinematics.
0 5f is the middle of the texture and 1 0f is the top of the texture.
Generative art creative coding.
A 1 a 2 a 3 a 4.
The second value of gltexcoord2f is the y coordinate.
0 0f is the left side of the texture.
Preliminaries vectors and vector products.
Sheets can be augmented with literal functionality or magical functionality.
Imagine that sheet of paper was made of rubber so that you could stretch it.
Lections on open frameworks free ebook download as pdf file pdf text file txt or view presentation slides online.
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.
2d graphics free download as pdf file pdf text file txt or view presentation slides online.
Think textures as being rubber sheets.
The first value of gltexcoord2f is the x coordinate.
