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polyon sprite


yami

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Is there a better polygone routine available?

 

the right side of the polygones always look very strange.

 

attachicon.gifpolytest.zi

Did you try it on a real Lynx? The handy (based) emulators have some problems with the tilted/stretched sprites.

 

The BLL routines (if you use these) use tilt and stretch and there are of can be rounding errors.

 

Anyway: Great stuff!

Edited by 42bs
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code splitting n-polygon to 4-polygons.

 

Ok. Sounds somehow strange to me to split it up in quadrangles instead directly in triangles. Why this? Back face culling?

Wouldn't it be faster to store the triangle mesh instead of splitting up?

Edited by 42bs
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rules.

dont alter the original date file.

 

 

Ok. Sounds somehow strange to me to split it up in quadrangles instead directly in triangles. Why this? Back face culling?

Wouldn't it be faster to store the triangle mesh instead of splitting up?

 

fpoly from bll kit handles 4-polygones.

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Ok. Sounds somehow strange to me to split it up in quadrangles instead directly in triangles. Why this? Back face culling?

Wouldn't it be faster to store the triangle mesh instead of splitting up?

Polygons can have up to 15 vertices.

 

See our description at www.arsantica-online.com in the stccc section.

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nope.

Just consider the left side of a triangle /\ is having a pixel step left each 5 lines and the right side have one each 7 lines. then the length must change each 5 AND 7 lines. This can not be done with just an adder.

(and by two pix each 35 line)

Edited by sage
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