def __init__(self, bidMapper, mid, first, count_inner_rings, count_spokes, bid, flip_face_def=False ): self.color = bidMapper.getColor(bid) self.mid = mid self.first = first self.count_inner_rings = count_inner_rings self.count_spokes = count_spokes self.boundaryId = bid self.alpha = math.radians( 360. / (self.count_spokes ) ) self.alpha_half = self.alpha / 2.0 self.simplices = [] self.outer_vertices_idx = [] self.inner_vertices_idx = [] self.vertices = PLCPointList( 3 ) self.spokes = [] self.mid_idx = self.vertices.appendVert( self.mid, self.color ) rot_mat = Matrix4.new_rotatez( self.alpha ) L = Vector3(self.first.x, self.first.y, self.first.z) z_offset = Vector3(0, 0, self.first.z) for i in range( 0, self.count_spokes ): if i != 0: L -= z_offset L = rot_mat * L L += z_offset L_idx = self.vertices.appendVert( L, self.color ) self.outer_vertices_idx.append( L_idx ) spoke_direction = self.mid - L assert self.mid.z == L.z spoke_vertex_idx = [] spoke_vertex_idx.append( L_idx ) spoke_add = spoke_direction / float( self.count_inner_rings ) for i in range( 1, self.count_inner_rings ): p = L + ( i * spoke_add ) spoke_vertex_idx.append( self.vertices.appendVert( p, self.color ) ) self.inner_vertices_idx.append( spoke_vertex_idx[-1] ) self.spokes.append( spoke_vertex_idx ) for i in range( 0, self.count_spokes ): current_spoke = self.spokes[i-1] left_spoke = self.spokes[i-2] right_spoke = self.spokes[i] for j in range( 0, self.count_inner_rings - 1 ): #print 'current spoke j,j+1, left spoke j: %f - %f - %f '%(current_spoke[j], current_spoke[j+1], left_spoke[j]) if flip_face_def: self.simplices.append( Simplex( current_spoke[j], current_spoke[j+1], left_spoke[j] ) ) self.simplices.append( Simplex( right_spoke[j+1], current_spoke[j+1], current_spoke[j] ) ) else: self.simplices.append( Simplex( left_spoke[j], current_spoke[j+1], current_spoke[j] ) ) self.simplices.append( Simplex( current_spoke[j], current_spoke[j+1], right_spoke[j+1] ) ) for i in range( 0, len(self.inner_vertices_idx) ): if flip_face_def: self.simplices.append( Simplex( self.inner_vertices_idx[i-1], self.inner_vertices_idx[i], self.mid_idx ) ) else: self.simplices.append( Simplex( self.mid_idx, self.inner_vertices_idx[i],self.inner_vertices_idx[i-1] ) ) #this is exposed to FullGrid self.vertex_idx = self.outer_vertices_idx
def matToList(m):
m = m.transposed()
return [m.a,m.b,m.c,m.d, m.e,m.f,m.g,m.h,
m.i,m.j,m.k,m.l, m.m,m.n,m.o,m.p]
translation = Vector3()
zstamp = time.time()
invrots = [Matrix4.new_identity(),
Matrix4.new_rotatex(pi/2),
Matrix4.new_rotatex(-pi/2),
Matrix4.new_rotatey(pi/2),
Matrix4.new_rotatey(-pi/2),
Matrix4.new_rotatez(pi/2),
Matrix4.new_rotatex(pi)]
def add_flat_tri(p, vertices, normals, indices):
n = (p[1]-p[0]).cross(p[2]-p[0]).normalize()
for i in range(3):
vertices += array('f',[p[i].x, p[i].y, p[i].z])
normals += array('f',[n.x, n.y, n.z])
next = len(indices)
indices += array('H',[next, next+1, next+2])
def create_invader_element():
vVertices = array('f')
vNormals = array('f')
vIndices = array('H')
r_xy = inv_z - inv_inset
