<https://lh3.googleusercontent.com/-vjANSBsggYo/WonRZLeZuaI/AAAAAAAAADY/SBo95v_t_YQN6tilNDfrX8ODWuMBy1YjQCLcBGAs/s1600/capture.png>
Hi,
I began to use openGL and pyglet. Now I'm trying to get a function who
return a sector. I want to use GL_POLYGON draw method but I've got weird
result... Can you help me? I use cos(pi/2) for my x coordinate and
sin(pi/2) for my y coordinate. I used red for the outter ring and green for
the inner ring. I only want to fill my array of points^^ I dont know much
about openGL but it's a start! I already prepared the midi interface. Im
only stuck with the graphic parts...
here is my code
from pyglet.gl import *
> from math import *
>
> class secteur(object):
> def __init__(self, radius, inner_radius, angle, points):
> self.radius = radius
> self.inner_radius = inner_radius
> self.angle = angle
> self.points = points
> self.vertex = []
> self.color = []
> for i in range(points):
> angle=self.angle/points*i
> x=cos(angle)*radius
> y=sin(angle)*radius
> z=0
> self.vertex.extend([x,y,z])
> self.color.extend([255,0,0])
> for i in range(points):
> angle=self.angle-self.angle/points*i
> x=cos(angle)*inner_radius
> y=sin(angle)*inner_radius
> z=0
> self.vertex.extend([x,y,z])
> self.color.extend([0,255,0])
> self.vertices = pyglet.graphics.vertex_list(2*points,('v3f', self.
> vertex),('c3B',self.color))
>
> class myWindow(pyglet.window.Window):
> def __init__(self,*args,**kwargs):
> super().__init__(*args,**kwargs)
> self.set_minimum_size(300,300)
> glClearColor(0.2,0.2,0.21,1)
> self.secteur = secteur(0.5,0.3,pi/2,11)
>
>
> def on_draw(self):
> self.clear()
> self.secteur.vertices.draw(GL_POLYGON)
>
>
> def on_resize(self,width,height):
> glViewport(0,0,width,height)
>
>
>
> if __name__ == "__main__":
> windows = myWindow(800,800,"midi_visualizer",resizable=True)
>
> pyglet.app.run()
>
>
>
>
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