The second value of gltexcoord2f is the y coordinate.
Glvertex2f gltexcoord2f rubber sheet.
A 1 a 2 a 3 a 4.
Generative art creative coding.
Imagine that sheet of paper was made of rubber so that you could stretch it.
Multiple sheets of paper placed on a desk with projected graphics figure 2 16.
Get a second piece of transparent paper and try to align them so.
The first value of gltexcoord2f is the x coordinate.
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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.
0 5f is the middle of the texture and 1 0f is the top of the texture.
0 0f is the bottom of the texture.
0 5f is the middle of the texture and 1 0f is the right side of the texture.
0 0f is the left side of the texture.
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Think textures as being rubber sheets.
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Lection on 2d graphics in openframeworks drawing images transparency offscreen buffer.
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.
Xii 3 representations of orientations xii 4 kinematics.
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Preliminaries vectors and vector products.
The lower left corner not the pixel of the texture is at 0 0 the upper right corner is at 1 1.
Sheets can be augmented with literal functionality or magical functionality.