Hello,
I have little program that render text in a 3d scene
I want to positionate an image with several buttons to control the
scene, in 2D at bottom left corner of the sceen(allways fix in one
position).
The problem is that this menu rotate and zoom in 3d scene. I want to
separate the 3D scene of 2D control.
What can I do?
Thanks for advance
xavi
import pyglet
from pyglet import window,image
from pyglet.gl import *
from pyglet import font
from pyglet.font import GlyphString
class Scene():
x,y,z=0,0,500
rx,ry,rz=0,0,0
w,h=0,0
fov=50
win=''
courier=''
menu_img =''
def __init__(self):
self.opengl_init()
self.win = window.Window(resizable=True)
self.win.maximize()
self.win.on_resize=self.view
self.win.on_mouse_drag=self.drag
self.courier = font.load('Courier 10 Pitch', 10, dpi=96)
self.menu_img = image.load('menu.png').texture
@self.win.event
def on_draw():
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
self.apply()
self.render_scene3d()
self.positionate_menu_2d()
def positionate_menu_2d(self): #I want to positionate in bottom, left
corner of the screen
self.menu_img.blit(0,0)
def render_scene3d(self):
glEnable(GL_TEXTURE_2D)
glColor4f(1,1,1,1)
text="Fast text on 3d scene!"
glyphs = self.courier.get_glyphs(text)
glyph_string = GlyphString(text, glyphs,x=0,y=0)
glyph_string.draw()
glDisable(GL_TEXTURE_2D)
def opengl_init(self):
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glDepthFunc(GL_LEQUAL)
def view(self,width,height):
self.w,self.h=width,height
glViewport(0,0, width, height)
self.prespectiva()
def drag(self, x, y, dx, dy, button, modifiers):
if button==1:
self.x-=dx*10
self.y-=dy*10
elif button==2:
self.x-=dx*2
self.z-=dy*2
elif button==4:
self.ry+=dx/4.
self.rx-=dy/4.
def prespectiva(self):
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(self.fov, float(self.w)/self.h, 0.1,0)
glMatrixMode(GL_MODELVIEW)
def apply(self):
glLoadIdentity()
glTranslatef(-self.x,-self.y,-self.z)
glRotatef(self.rx,1,0,0)
glRotatef(self.ry,0,1,0)
glRotatef(self.rz,0,0,1)
scn=Scene()
pyglet.app.run()
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