So, now I depending on whether (when I add the texture group to the
batch) I pick GL_TRIANGLES or GL_QUADS, what renders is a wireframe
cube with texture 'lines' connecting various points, or nothing but
the wireframe cube, respectively.
#!/usr/bin/env python2.6
'''
some tests using Miru
'''
import miru
import os
from miru.context import context
import pyglet
from pyglet import gl
from miru import ext
from miru.ext import geom
import session
class EffectsManager (object):
def __init__ (self):
session.effects = []
def processEffects (self, dt):
for effect in session.effects:
effect.processEffect(dt)
class CoolEffect (object):
#def __init__ (effect_type):
#pass
def processEffect (self):
raise NotImplementedError
class CubeFlipTransition (CoolEffect):
def __init__ (self, obj):
self.obj = obj
self.idx = 0
self.effect_idx = session.effects.append(self)
def processEffect (self, dt):
if self.idx < 30:
self.idx += 1
self.obj.pos += (0, 0, -0.5)
elif 30 <= self.idx < 60:
self.idx += 1
ty = 90 // 30
self.obj.angle += (0, ty, 0)
self.obj.angle.y %= 360.
elif 60 <= self.idx < 90:
self.idx += 1
self.obj.pos += (0, 0, 0.5)
else:
session.effects.pop(session.effects.index(self))
def setup ():
#global obj
session.win = miru.ui.Window(640, 480)
context.window = session.win
context.control = miru.input.SimpleMouseControl()
context.camera.lights = miru.camera.LightGroup([
miru.camera.PositionalLight(pos=(0,0,5)),
miru.camera.PositionalLight(pos=(0,1,0)),
miru.camera.PositionalLight(pos=(1,0,0))])
context.camera.pos = (0,0,15)
cube = ext.geom.Cube(width=5)
#cube = ext.geom.Torus()
batch = pyglet.graphics.Batch()
vlist = miru.ext.geom.get_vlist(cube, batch)
img_0_path = r'examples/moosebat.png'
img_0 = pyglet.image.load(img_0_path)
tex_0 = img_0.get_texture()
img_group = miru.graphics.TextureBindGroup(tex_0)
greygroup = miru.graphics.ColorGroup(0.5)
temp_texcoord_data = []
vertices = vlist.vertices[:]
data = [('v3f', vertices),
('t2f', list(cube.texcoord_data)),
('n3f', list(vlist.normals))]
count = len(vertices) // 3
batch.add(count, gl.GL_QUADS, img_group, *data)
session.main_cube = miru.core.Object(batch)
context.add_object(session.main_cube)
gl.glEnable(gl.GL_CULL_FACE)
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_LINE)
session.effects_mgr = EffectsManager()
# hard coded effects for testing
CubeFlipTransition(session.main_cube)
setup()
@session.win.event
def on_draw ():
session.win.clear()
context.render()
def update(dt):
session.effects_mgr.processEffects(dt)
pyglet.clock.schedule_interval(update, interval=1/30.0)
def main ():
pyglet.app.run()
if __name__ == '__main__':
main()
On Feb 11, 3:57 pm, sevenseeker <[email protected]> wrote:
> I am completely new to opengl, pyglet and miru... you have been
> warned :) It is quite ugly, but is throw away... I am in it for the
> learning.
>
> The following code shows my attempt to muck around with primitives and
> textures. I am not sure how given an image loaded as below, I can
> actually get it to display.
>
> Any help is appreciated:
>
> #!/usr/bin/env python2.6
> '''
> some tests using Miru
> '''
>
> import miru
> import os
> from miru.context import context
> import pyglet
> from pyglet import gl
> from miru import ext
> from miru.ext import geom
>
> import session
>
> class EffectsManager (object):
> def __init__ (self):
> session.effects = []
>
> def processEffects (self, dt):
> for effect in session.effects:
> effect.processEffect(dt)
>
> class CoolEffect (object):
> #def __init__ (effect_type):
> #pass
>
> def processEffect (self):
> raise NotImplementedError
>
> class CubeFlipTransition (CoolEffect):
> def __init__ (self, obj):
> self.obj = obj
> self.idx = 0
> self.effect_idx = session.effects.append(self)
>
> def processEffect (self, dt):
> if self.idx < 30:
> self.idx += 1
> self.obj.pos += (0, 0, -0.5)
> elif 30 <= self.idx < 60:
> self.idx += 1
> ty = 90 // 30
> self.obj.angle += (0, ty, 0)
> self.obj.angle.y %= 360.
> elif 60 <= self.idx < 90:
> self.idx += 1
> self.obj.pos += (0, 0, 0.5)
> else:
> session.effects.pop(session.effects.index(self))
>
> def setup ():
> #global obj
> session.win = miru.ui.Window(640, 480)
> context.window = session.win
>
> context.control = miru.input.SimpleMouseControl()
> context.camera.lights = miru.camera.LightGroup([
> miru.camera.PositionalLight(pos=(0,0,5)),
> miru.camera.PositionalLight(pos=(0,1,0)),
> miru.camera.PositionalLight(pos=(1,0,0))])
> context.camera.pos = (0,0,15)
>
> cube = ext.geom.Cube(width=5)
> batch = pyglet.graphics.Batch()
> vlist = miru.ext.geom.get_vlist(cube, batch)
> img_0_path = r'examples/moosebat.png'
> img_0 = pyglet.image.load(img_0_path)
> tex_0 = img_0.get_texture()
> img_group = miru.graphics.TextureBindGroup(tex_0)
>
> #greygroup = miru.graphics.ColorGroup(0.5)
>
> vertices = vlist.vertices[:]
> data = [('v3f', vertices),
> ('t3f'), #, vertices), #list(cube.texcoord_data)),
> ('n3f', list(vlist.normals))]
> count = len(vertices) // 3
> batch.add(count, gl.GL_TRIANGLES, img_group, *data)
> session.main_cube = miru.core.Object(batch)
> context.add_object(session.main_cube)
>
> gl.glEnable( gl.GL_CULL_FACE )
>
> session.effects_mgr = EffectsManager()
>
> # hard coded effects for testing
> CubeFlipTransition(session.main_cube)
>
> setup()
>
> @session.win.event
> def on_draw ():
> session.win.clear()
> context.render()
>
> def update(dt):
> session.effects_mgr.processEffects(dt)
>
> pyglet.clock.schedule_interval(update, interval=1/30.0)
>
> def main ():
> pyglet.app.run()
>
> if __name__ == '__main__':
> main()
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