It was more about transparency. The fourth byte of the point would be the alpha, and if it is not 255, then you got a hit.
2011/6/28 greenmoss <[email protected]>: > Did you detect the squares using the coloring method? > > On Jun 28, 10:04 am, Peter Enerccio <[email protected]> wrote: >> How about using square detection, and then using finer detection with alpha? >> sprite.get_image_data().get_data("RGBA", 4*width) >> and then you check the A value of the target pixel where mouse is >> >> I did the same with cocos and it worked well. >> >> 2011/6/28 greenmoss <[email protected]>: >> >> >> >> >> >> >> >> > I looked at the pyglet mouse picking example (http://sites.google.com/ >> > site/swinesmallpygletexamples/mouse-picking), but I'm not sure it will >> > work for my game. Currently I have two kinds of objects to pick, with >> > maybe more to follow: >> >> > - GL_LINES; any coordinate along the line should be pickable >> > - pyglet sprites; ideally, any pixel that is part of the sprite's >> > image should be pickable, but easier/less-granular picks would also be >> > acceptable >> >> > The pyglet example seems to work based on rays to vertices only, so >> > would it work to pick the two types of objects above? >> >> > Maybe I need to be looking at color-based picking instead? For >> > example, this technique: >> >> >http://wiki.processing.org/w/Picking_with_a_color_buffer >> >> > Is there an example anywhere using color-based picking with pyglet? >> > Could it also easily be adapted to pyglet sprites? >> >> > -- >> > You received this message because you are subscribed to the Google Groups >> > "pyglet-users" group. >> > To post to this group, send email to [email protected]. >> > To unsubscribe from this group, send email to >> > [email protected]. >> > For more options, visit this group >> > athttp://groups.google.com/group/pyglet-users?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "pyglet-users" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/pyglet-users?hl=en. > > -- You received this message because you are subscribed to the Google Groups "pyglet-users" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/pyglet-users?hl=en.
