Added physics example, library (elements/pybox2d/box2d)

1 files changed, 53 insertions, 0 deletions

diff --git a/data/physics/shapes b/data/physics/shapes
new file mode 100644
index 0000000..111b22a
--- /dev/null
+++ b/data/physics/shapes
@@ -0,0 +1,53 @@
+# physics
+
+import pippy, pygame, sys, math
+from pygame.locals import *
+from pippy import physics
+
+# initialize pygame first thing
+pygame.init()
+screen = pygame.display.set_mode((1200,900))
+clock = pygame.time.Clock()
+ 
+# set up the physics world (instance of Elements)
+world = physics.Elements(screen.get_size())
+world.renderer.set_surface(screen)
+        
+# set up initial physics objects
+world.add.ground()
+world.add.ball((600,0), 50)
+world.add.rect((500,0), 25, 300, dynamic=True, density=1.0, restitution=0.16, friction=0.5)
+
+# add 20 more balls
+balls = 0
+while(balls<20):
+    world.add.ball((balls*5+200,balls*5), 50)
+    balls+=1
+
+# begin physics simulation
+world.run_physics = True
+
+while pippy.pygame.next_frame():
+        while world.run_physics:
+               
+            for event in pygame.event.get():
+                if event.type == QUIT:
+                    sys.exit()
+
+                elif event.type == KEYDOWN:
+                    sys.exit()            
+
+            # clear display with a color
+            # (r,g,b), where 0<=value<256
+            screen.fill((80,160,240)) 
+
+            # update & draw physics world
+            world.update()
+            world.draw()
+
+            # update the display
+            pygame.display.flip()  
+            
+            # try to stay at 30 frames per second
+            clock.tick(30) 
+