# File: spline_squares.py
# Author: Petr Sorfa
# Desc: Creates a grid of splines
#       and then creates several square
#       patches by attaching the relevant
#       spline points.

import am

am.begin()

# Create the horizontal splines

for y in range(4):
	name = "mysplineh_" + str(y)
	am.spline_begin(name)	# create a spline

	for x in range(4):
		am.spline_add_point(x, y, 0.0)

	am.spline_set_peaked();
	am.spline_end()

# Create the vertical splines

for x in range(4):
	name = "mysplinev_" + str(x)
	am.spline_begin(name)	# create a spline

	for y in range(4):
		am.spline_add_point(x, y, 0.0)

	am.spline_set_peaked();
	am.spline_end()

# Attach points to create squares

am.spline_attach_points ("mysplineh_0", "mysplinev_0", 0, 0)
am.spline_attach_points ("mysplineh_0", "mysplinev_1", 1, 0)
am.spline_attach_points ("mysplineh_1", "mysplinev_0", 0, 1)
am.spline_attach_points ("mysplineh_1", "mysplinev_1", 1, 1)

# No need to attach points that already are
am.spline_attach_points ("mysplineh_1", "mysplinev_2", 2, 1)
am.spline_attach_points ("mysplineh_2", "mysplinev_1", 1, 2)

am.spline_attach_points ("mysplineh_2", "mysplinev_2", 2, 2)
am.spline_attach_points ("mysplineh_2", "mysplinev_3", 3, 2)
am.spline_attach_points ("mysplineh_3", "mysplinev_2", 2, 3)
am.spline_attach_points ("mysplineh_3", "mysplinev_3", 3, 3)

am.end()