def complexPoly(self, vertices, dynamic=True, density=1.0, restitution=0.16, friction=0.5):
# 1. Step: Reduce
# 2. Step: See if start and end are close, if so then close the polygon
# 3. Step: Detect if convex or concave
# 4. Step: Start self.convexPoly or self.concavePoly
vertices, is_convex = tools_poly.reduce_poly_by_angle(vertices)
#print "->", is_convex
# If start and endpoints are close to each other, close polygon
x1, y1 = vertices[0]
x2, y2 = vertices[-1]
dx = x2 - x1
dy = y2 - y1
l = sqrt((dx*dx)+(dy*dy))
if l < 50:
vertices[-1] = vertices[0]
else:
# Never convex if open (we decide so :)
is_convex = False
if tools_poly.is_line(vertices):
# Lines shall be drawn by self.concavePoly(...)
print "is line"
is_convex = False
if is_convex:
print "convex"
return self.convexPoly(vertices, dynamic, density, restitution, friction), vertices
else:
print "concave"
return self.concavePoly(vertices, dynamic, density, restitution, friction), vertices
def complexPoly(
self,
vertices,
dynamic=True,
density=1.0,
restitution=0.16,
friction=0.5):
# 1. Step: Reduce
# 2. Step: See if start and end are close, if so then close the polygon
# 3. Step: Detect if convex or concave
# 4. Step: Start self.convexPoly or self.concavePoly
vertices, is_convex = tools_poly.reduce_poly_by_angle(vertices)
# print "->", is_convex
# If start and endpoints are close to each other, close polygon
x1, y1 = vertices[0]
x2, y2 = vertices[-1]
dx = x2 - x1
dy = y2 - y1
l = sqrt((dx * dx) + (dy * dy))
if l < 50:
vertices[-1] = vertices[0]
else:
# Never convex if open (we decide so :)
is_convex = False
if tools_poly.is_line(vertices):
# Lines shall be drawn by self.concavePoly(...)
print "is line"
is_convex = False
if is_convex:
print "convex"
return self.convexPoly(
vertices, dynamic, density, restitution, friction), vertices
else:
print "concave"
return self.concavePoly(
vertices, dynamic, density, restitution, friction), vertices