1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
"""
This file is an example for using 'Elements'
Elements is a 2D Physics API for Python using Box2D
Home: http://elements.linuxuser.at
IRC: #elements on irc.freenode.net
Code: svn co http://svn2.assembla.com/svn/elements
http://www.assembla.com/wiki/show/elements
License: Examples: Public Domain -- No legal restrictions
Elements API: GPLv3
"""
from pyglet import window
from pyglet.gl import *
import sys
sys.path.insert(0, "..") # if Elements has yet to be installed
import elements
"""
OpenGL Init Function
"""
def initGL():
glClearColor(1.0, 1.0, 1.0, 0.0)
glPointSize(3.0)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(-1000.0, 1000.0, -750.0, 750.0, -1.0, 1.0)
glScalef(2.0, 2.0, 1.0)
glMatrixMode(GL_MODELVIEW)
class Demo:
def mouse_click(self, x, y, btn, d):
if btn == 1:
self.world.add.ball((x, y), radius=30)
elif btn == 2:
self.world.add.triangle((x, y), 40)
else:
self.world.add.rect((x, y), 20, 40)
def main(self):
# Window Size
w, h = size = (900, 900)
# OpenGL Init
win = window.Window(w, h)
initGL()
# Create the Physical Space Class
self.world = elements.Elements(size, renderer='opengl_pyglet')
# Set pyglet properties
self.world.set_inputAxisOrigin(left=True, top=False)
# Add ground
self.world.add.ground()
# Mouse click callback
win.on_mouse_press = self.mouse_click
# Main Loop
while not win.has_exit:
win.dispatch_events()
win.clear()
self.world.update()
self.world.draw()
win.flip()
if __name__ == "__main__":
demo = Demo()
demo.main()
|
