> ignore a near-universal standard
That's not really true. Presumably pyglet's axis orientation is based
on OpenGL, upon which it is built, and in which increasing Y almost
always corresponds to up the screen.
DirectX is just the same.
On Oct 10, 8:25 am, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
wrote:
> Very amusing.
>
> There's no simple cure? That's slightly mind-boggling. Every tool has
> its quirks, but I've not seen before the kind of balls it takes to
> blandly ignore a near-universal standard like this.
>
> I suppose I can carry on what I'm doing, which is flipping every
> sprite's y co-ordinate before drawing it and putting it back after,
> but that's like a joke.
>
> On Oct 10, 5:30 pm, "Nathan Whitehead" <[EMAIL PROTECTED]> wrote:
>
> > On Thu, Oct 9, 2008 at 11:04 PM, [EMAIL PROTECTED]
>
> > <[EMAIL PROTECTED]> wrote:
> > > ...
> > > There must be simple gl command I can put somewhere to flip the co-
> > > ordinates, right? I can hardly be the first person to run up against
> > > this...
>
> > Here's what I do:
>
> > # Set default projection to use upper left as origin
> > pyglet.gl.glMatrixMode(pyglet.gl.GL_PROJECTION)
> > pyglet.gl.glLoadIdentity()
> > pyglet.gl.glOrtho(0.0, 1024.0, 768.0, 0.0, -1.0, 1.0)
> > pyglet.gl.glMatrixMode(pyglet.gl.GL_MODELVIEW)
> > pyglet.gl.glLoadIdentity()
>
> > This makes 0,0 the upper left corner of the screen and 1024, 768 the
> > bottom right corner. But if you're thinking that this is what you
> > want, you should consider what will happen! If you use any function
> > that is not expecting this, it will draw upside down. For example,
> > try drawing some text using:
>
> > label = pyglet.text.Label('Hello, world',
> > font_name='Times New Roman',
> > font_size=36,
> > x=window.width//2, y=window.height//2,
> > anchor_x='center', anchor_y='center')
> > label.draw()
>
> > It will come out beautifully rendered in the right location, but
> > reflected upside down.
> > --
> > Nathan Whitehead
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